src/org/argeo/build/Repackage.java

   1 package org.argeo.build;
   2
   3 import static java.lang.System.Logger.Level.DEBUG;
   4 import static java.lang.System.Logger.Level.ERROR;
   5 import static java.lang.System.Logger.Level.INFO;
   6 import static java.lang.System.Logger.Level.TRACE;
   7 import static java.lang.System.Logger.Level.WARNING;
   8 import static java.nio.file.FileVisitResult.CONTINUE;
   9 import static java.util.jar.Attributes.Name.MANIFEST_VERSION;
  10 import static org.argeo.build.Repackage.ManifestConstants.ARGEO_ORIGIN_EMBED;
  11 import static org.argeo.build.Repackage.ManifestConstants.ARGEO_ORIGIN_M2;
  12 import static org.argeo.build.Repackage.ManifestConstants.ARGEO_ORIGIN_M2_MERGE;
  13 import static org.argeo.build.Repackage.ManifestConstants.ARGEO_ORIGIN_M2_REPO;
  14 import static org.argeo.build.Repackage.ManifestConstants.ARGEO_ORIGIN_MANIFEST_NOT_MODIFIED;
  15 import static org.argeo.build.Repackage.ManifestConstants.ARGEO_ORIGIN_URI;
  16 import static org.argeo.build.Repackage.ManifestConstants.BUNDLE_LICENSE;
  17 import static org.argeo.build.Repackage.ManifestConstants.BUNDLE_SYMBOLICNAME;
  18 import static org.argeo.build.Repackage.ManifestConstants.BUNDLE_VERSION;
  19 import static org.argeo.build.Repackage.ManifestConstants.ECLIPSE_SOURCE_BUNDLE;
  20 import static org.argeo.build.Repackage.ManifestConstants.EXPORT_PACKAGE;
  21 import static org.argeo.build.Repackage.ManifestConstants.IMPORT_PACKAGE;
  22 import static org.argeo.build.Repackage.ManifestConstants.SPDX_LICENSE_IDENTIFIER;
  23
  24 import java.io.BufferedWriter;
  25 import java.io.File;
  26 import java.io.FileNotFoundException;
  27 import java.io.IOException;
  28 import java.io.InputStream;
  29 import java.io.OutputStream;
  30 import java.lang.System.Logger;
  31 import java.net.MalformedURLException;
  32 import java.net.URL;
  33 import java.nio.charset.StandardCharsets;
  34 import java.nio.file.DirectoryStream;
  35 import java.nio.file.FileSystem;
  36 import java.nio.file.FileSystems;
  37 import java.nio.file.FileVisitResult;
  38 import java.nio.file.Files;
  39 import java.nio.file.Path;
  40 import java.nio.file.PathMatcher;
  41 import java.nio.file.Paths;
  42 import java.nio.file.SimpleFileVisitor;
  43 import java.nio.file.StandardCopyOption;
  44 import java.nio.file.StandardOpenOption;
  45 import java.nio.file.attribute.BasicFileAttributes;
  46 import java.util.ArrayList;
  47 import java.util.HashMap;
  48 import java.util.Iterator;
  49 import java.util.List;
  50 import java.util.Map;
  51 import java.util.Objects;
  52 import java.util.Properties;
  53 import java.util.Set;
  54 import java.util.TreeMap;
  55 import java.util.TreeSet;
  56 import java.util.concurrent.CompletableFuture;
  57 import java.util.jar.Attributes;
  58 import java.util.jar.JarEntry;
  59 import java.util.jar.JarInputStream;
  60 import java.util.jar.JarOutputStream;
  61 import java.util.jar.Manifest;
  62 import java.util.zip.Deflater;
  63
  64 import aQute.bnd.osgi.Analyzer;
  65 import aQute.bnd.osgi.Jar;
  66
  67 /**
  68  * Simple tool repackaging existing jar files into OSGi bundles in an A2
  69  * repository.
  70  */
  71 public class Repackage {
  72         final static Logger logger = System.getLogger(Repackage.class.getName());
  73
  74         /**
  75          * Environment variable on whether sources should be packaged separately or
  76          * integrated in the bundles.
  77          */
  78         final static String ENV_SOURCE_BUNDLES = "SOURCE_BUNDLES";
  79
  80         /** Whether repackaging should run in parallel or sequentially. */
  81         final static boolean parallel = true;
  82
  83         // cache
  84         /** Summary of all license seen during the repackaging. */
  85         final static Map<String, Set<String>> licensesUsed = new TreeMap<>();
  86
  87         /** Main entry point. */
  88         public static void main(String[] args) {
  89                 if (args.length < 2) {
  90                         System.err.println("Usage: <path to a2 output dir> <category1> <category2> ...");
  91                         System.exit(1);
  92                 }
  93                 Path a2Base = Paths.get(args[0]).toAbsolutePath().normalize();
  94                 Path descriptorsBase = Paths.get(".").toAbsolutePath().normalize();
  95                 Repackage factory = new Repackage(a2Base, descriptorsBase);
  96
  97                 List<CompletableFuture<Void>> toDos = new ArrayList<>();
  98                 for (int i = 1; i < args.length; i++) {
  99                         Path p = Paths.get(args[i]);
 100                         if (parallel)
 101                                 toDos.add(CompletableFuture.runAsync(() -> factory.processCategory(p)));
 102                         else
 103                                 factory.processCategory(p);
 104                 }
 105                 CompletableFuture.allOf(toDos.toArray(new CompletableFuture[toDos.size()])).join();
 106
 107                 // Summary
 108                 StringBuilder sb = new StringBuilder();
 109                 for (String licenseId : licensesUsed.keySet())
 110                         for (String name : licensesUsed.get(licenseId))
 111                                 sb.append((licenseId.equals("") ? "Proprietary" : licenseId) + "\t\t" + name + "\n");
 112                 logger.log(INFO, "# License summary:\n" + sb);
 113         }
 114
 115         /** Name of the file centralising information for multiple M2 artifacts. */
 116         final static String COMMON_BND = "common.bnd";
 117         /** Name of the file centralising information for mergin M2 artifacts. */
 118         final static String MERGE_BND = "merge.bnd";
 119         /**
 120          * Subdirectory of the jar file where origin informations (changes, legal
 121          * notices etc. are stored)
 122          */
 123         final static String A2_ORIGIN = "A2-ORIGIN";
 124
 125         /** Directory where to download archives */
 126         final Path originBase;
 127         /** Directory where to download Maven artifacts */
 128         final Path mavenBase;
 129
 130         /** A2 repository base for binary bundles */
 131         final Path a2Base;
 132         /** A2 repository base for source bundles */
 133         final Path a2SrcBase;
 134         /** A2 base for native components */
 135         final Path a2LibBase;
 136         /** Location of the descriptors driving the packaging */
 137         final Path descriptorsBase;
 138         /** URIs of archives to download */
 139         final Properties uris = new Properties();
 140         /** Mirrors for archive download. Key is URI prefix, value list of base URLs */
 141         final Map<String, List<String>> mirrors = new HashMap<String, List<String>>();
 142
 143         /** Whether sources should be packaged separately */
 144         final boolean sourceBundles;
 145
 146         /** Constructor initialises the various variables */
 147         public Repackage(Path a2Base, Path descriptorsBase) {
 148                 sourceBundles = Boolean.parseBoolean(System.getenv(ENV_SOURCE_BUNDLES));
 149                 if (sourceBundles)
 150                         logger.log(INFO, "Sources will be packaged separately");
 151
 152                 Objects.requireNonNull(a2Base);
 153                 Objects.requireNonNull(descriptorsBase);
 154                 this.originBase = Paths.get(System.getProperty("user.home"), ".cache", "argeo/build/origin");
 155                 this.mavenBase = Paths.get(System.getProperty("user.home"), ".m2", "repository");
 156
 157                 // TODO define and use a build base
 158                 this.a2Base = a2Base;
 159                 this.a2SrcBase = a2Base.getParent().resolve(a2Base.getFileName() + ".src");
 160                 this.a2LibBase = a2Base.resolve("lib");
 161                 this.descriptorsBase = descriptorsBase;
 162                 if (!Files.exists(this.descriptorsBase))
 163                         throw new IllegalArgumentException(this.descriptorsBase + " does not exist");
 164
 165                 // URIs mapping
 166                 Path urisPath = this.descriptorsBase.resolve("uris.properties");
 167                 if (Files.exists(urisPath)) {
 168                         try (InputStream in = Files.newInputStream(urisPath)) {
 169                                 uris.load(in);
 170                         } catch (IOException e) {
 171                                 throw new IllegalStateException("Cannot load " + urisPath, e);
 172                         }
 173                 }
 174
 175                 // Eclipse mirrors
 176                 Path eclipseMirrorsPath = this.descriptorsBase.resolve("eclipse.mirrors.txt");
 177                 List<String> eclipseMirrors = new ArrayList<>();
 178                 if (Files.exists(eclipseMirrorsPath)) {
 179                         try {
 180                                 eclipseMirrors = Files.readAllLines(eclipseMirrorsPath, StandardCharsets.UTF_8);
 181                         } catch (IOException e) {
 182                                 throw new IllegalStateException("Cannot load " + eclipseMirrorsPath, e);
 183                         }
 184                         for (Iterator<String> it = eclipseMirrors.iterator(); it.hasNext();) {
 185                                 String value = it.next();
 186                                 if (value.strip().equals(""))
 187                                         it.remove();
 188                         }
 189                 }
 190                 mirrors.put("http://www.eclipse.org/downloads", eclipseMirrors);
 191         }
 192
 193         /*
 194          * MAVEN ORIGIN
 195          */
 196         /** Process a whole category/group id. */
 197         void processCategory(Path categoryRelativePath) {
 198                 try {
 199                         Path targetCategoryBase = descriptorsBase.resolve(categoryRelativePath);
 200                         DirectoryStream<Path> bnds = Files.newDirectoryStream(targetCategoryBase,
 201                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 202                                                         && !p.getFileName().toString().equals(MERGE_BND));
 203                         for (Path p : bnds) {
 204                                 processSingleM2ArtifactDistributionUnit(p);
 205                         }
 206
 207                         DirectoryStream<Path> dus = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p));
 208                         for (Path duDir : dus) {
 209                                 if (duDir.getFileName().toString().startsWith("eclipse-")) {
 210                                         processEclipseArchive(duDir);
 211                                 } else {
 212                                         processM2BasedDistributionUnit(duDir);
 213                                 }
 214                         }
 215                 } catch (IOException e) {
 216                         throw new RuntimeException("Cannot process category " + categoryRelativePath, e);
 217                 }
 218         }
 219
 220         /** Process a standalone Maven artifact. */
 221         void processSingleM2ArtifactDistributionUnit(Path bndFile) {
 222                 try {
 223                         Path categoryRelativePath = descriptorsBase.relativize(bndFile.getParent());
 224                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 225
 226                         Properties fileProps = new Properties();
 227                         try (InputStream in = Files.newInputStream(bndFile)) {
 228                                 fileProps.load(in);
 229                         }
 230                         String repoStr = fileProps.containsKey(ARGEO_ORIGIN_M2_REPO.toString())
 231                                         ? fileProps.getProperty(ARGEO_ORIGIN_M2_REPO.toString())
 232                                         : null;
 233
 234                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 235                                 // use file name as symbolic name
 236                                 String symbolicName = bndFile.getFileName().toString();
 237                                 symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 238                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 239                         }
 240
 241                         String m2Coordinates = fileProps.getProperty(ARGEO_ORIGIN_M2.toString());
 242                         if (m2Coordinates == null)
 243                                 throw new IllegalArgumentException("No M2 coordinates available for " + bndFile);
 244                         M2Artifact artifact = new M2Artifact(m2Coordinates);
 245                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 246                         Path downloaded = downloadMaven(url, artifact);
 247
 248                         // some proprietary artifacts do not allow any modification
 249                         // when releasing (with separate sources) we just copy it
 250                         boolean doNotModify = Boolean.parseBoolean(
 251                                         fileProps.getOrDefault(ManifestConstants.ARGEO_DO_NOT_MODIFY.toString(), "false").toString());
 252                         if (doNotModify && sourceBundles) {
 253                                 Path unmodifiedTarget = targetCategoryBase.resolve(
 254                                                 fileProps.getProperty(BUNDLE_SYMBOLICNAME.toString()) + "." + artifact.getBranch() + ".jar");
 255                                 Files.copy(downloaded, unmodifiedTarget, StandardCopyOption.REPLACE_EXISTING);
 256                                 Path bundleDir = targetCategoryBase
 257                                                 .resolve(fileProps.getProperty(BUNDLE_SYMBOLICNAME.toString()) + "." + artifact.getBranch());
 258                                 downloadAndProcessM2Sources(repoStr, artifact, bundleDir, false);
 259                                 Manifest manifest;
 260                                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(unmodifiedTarget))) {
 261                                         manifest = jarIn.getManifest();
 262                                 }
 263                                 createSourceJar(unmodifiedTarget, manifest);
 264                                 return;
 265                         }
 266
 267                         // regular processing
 268                         A2Origin origin = new A2Origin();
 269                         Path bundleDir = processBndJar(downloaded, targetCategoryBase, fileProps, artifact, origin);
 270                         downloadAndProcessM2Sources(repoStr, artifact, bundleDir, false);
 271                         createJar(bundleDir, origin);
 272                 } catch (Exception e) {
 273                         throw new RuntimeException("Cannot process " + bndFile, e);
 274                 }
 275         }
 276
 277         /**
 278          * Process multiple Maven artifacts coming from a same project and therefore
 279          * with information in common (typically the version), generating single bundles
 280          * or merging them if necessary.
 281          */
 282         void processM2BasedDistributionUnit(Path duDir) {
 283                 try {
 284                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 285                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 286
 287                         Path mergeBnd = duDir.resolve(MERGE_BND);
 288                         if (Files.exists(mergeBnd)) // merge
 289                                 mergeM2Artifacts(mergeBnd);
 290
 291                         Path commonBnd = duDir.resolve(COMMON_BND);
 292                         if (!Files.exists(commonBnd))
 293                                 return;
 294
 295                         Properties commonProps = new Properties();
 296                         try (InputStream in = Files.newInputStream(commonBnd)) {
 297                                 commonProps.load(in);
 298                         }
 299
 300                         String m2Version = commonProps.getProperty(ARGEO_ORIGIN_M2.toString());
 301                         if (m2Version == null) {
 302                                 logger.log(WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 303                                 return;// ignore, this is probably an Eclipse archive
 304                         }
 305                         if (!m2Version.startsWith(":")) {
 306                                 throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 307                         }
 308                         m2Version = m2Version.substring(1);
 309
 310                         DirectoryStream<Path> ds = Files.newDirectoryStream(duDir,
 311                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 312                                                         && !p.getFileName().toString().equals(MERGE_BND));
 313                         for (Path p : ds) {
 314                                 Properties fileProps = new Properties();
 315                                 try (InputStream in = Files.newInputStream(p)) {
 316                                         fileProps.load(in);
 317                                 }
 318                                 String m2Coordinates = fileProps.getProperty(ARGEO_ORIGIN_M2.toString());
 319                                 M2Artifact artifact = new M2Artifact(m2Coordinates);
 320                                 artifact.setVersion(m2Version);
 321
 322                                 // prepare manifest entries
 323                                 Properties mergeProps = new Properties();
 324                                 mergeProps.putAll(commonProps);
 325
 326                                 fileEntries: for (Object key : fileProps.keySet()) {
 327                                         if (ARGEO_ORIGIN_M2.toString().equals(key))
 328                                                 continue fileEntries;
 329                                         String value = fileProps.getProperty(key.toString());
 330                                         Object previousValue = mergeProps.put(key.toString(), value);
 331                                         if (previousValue != null) {
 332                                                 logger.log(WARNING,
 333                                                                 commonBnd + ": " + key + " was " + previousValue + ", overridden with " + value);
 334                                         }
 335                                 }
 336                                 mergeProps.put(ARGEO_ORIGIN_M2.toString(), artifact.toM2Coordinates());
 337                                 if (!mergeProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 338                                         // use file name as symbolic name
 339                                         String symbolicName = p.getFileName().toString();
 340                                         symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 341                                         mergeProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 342                                 }
 343
 344                                 String repoStr = mergeProps.containsKey(ARGEO_ORIGIN_M2_REPO.toString())
 345                                                 ? mergeProps.getProperty(ARGEO_ORIGIN_M2_REPO.toString())
 346                                                 : null;
 347
 348                                 // download
 349                                 URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 350                                 Path downloaded = downloadMaven(url, artifact);
 351
 352                                 A2Origin origin = new A2Origin();
 353                                 Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, mergeProps, artifact, origin);
 354                                 downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir, false);
 355                                 createJar(targetBundleDir, origin);
 356                         }
 357                 } catch (IOException e) {
 358                         throw new RuntimeException("Cannot process " + duDir, e);
 359                 }
 360         }
 361
 362         /** Merge multiple Maven artifacts. */
 363         void mergeM2Artifacts(Path mergeBnd) throws IOException {
 364                 Path duDir = mergeBnd.getParent();
 365                 String category = duDir.getParent().getFileName().toString();
 366                 Path targetCategoryBase = a2Base.resolve(category);
 367
 368                 Properties mergeProps = new Properties();
 369                 try (InputStream in = Files.newInputStream(mergeBnd)) {
 370                         mergeProps.load(in);
 371                 }
 372
 373                 String m2Version = mergeProps.getProperty(ARGEO_ORIGIN_M2.toString());
 374                 if (m2Version == null) {
 375                         logger.log(WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 376                         return;// ignore, this is probably an Eclipse archive
 377                 }
 378                 if (!m2Version.startsWith(":")) {
 379                         throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 380                 }
 381                 m2Version = m2Version.substring(1);
 382                 mergeProps.put(BUNDLE_VERSION.toString(), m2Version);
 383
 384                 String artifactsStr = mergeProps.getProperty(ARGEO_ORIGIN_M2_MERGE.toString());
 385                 if (artifactsStr == null)
 386                         throw new IllegalArgumentException(mergeBnd + ": " + ARGEO_ORIGIN_M2_MERGE + " must be set");
 387
 388                 String repoStr = mergeProps.containsKey(ARGEO_ORIGIN_M2_REPO.toString())
 389                                 ? mergeProps.getProperty(ARGEO_ORIGIN_M2_REPO.toString())
 390                                 : null;
 391
 392                 String bundleSymbolicName = mergeProps.getProperty(BUNDLE_SYMBOLICNAME.toString());
 393                 if (bundleSymbolicName == null)
 394                         throw new IllegalArgumentException("Bundle-SymbolicName must be set in " + mergeBnd);
 395                 CategoryNameVersion nameVersion = new M2Artifact(category + ":" + bundleSymbolicName + ":" + m2Version);
 396
 397                 A2Origin origin = new A2Origin();
 398                 Path bundleDir = targetCategoryBase.resolve(bundleSymbolicName + "." + nameVersion.getBranch());
 399
 400                 String[] artifacts = artifactsStr.split(",");
 401                 artifacts: for (String str : artifacts) {
 402                         String m2Coordinates = str.trim();
 403                         if ("".equals(m2Coordinates))
 404                                 continue artifacts;
 405                         M2Artifact artifact = new M2Artifact(m2Coordinates.trim());
 406                         if (artifact.getVersion() == null)
 407                                 artifact.setVersion(m2Version);
 408                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 409                         Path downloaded = downloadMaven(url, artifact);
 410                         JarEntry entry;
 411                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(downloaded), false)) {
 412                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 413                                         if (entry.isDirectory())
 414                                                 continue entries;
 415                                         if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF")) {
 416                                                 origin.deleted.add("cryptographic signatures from " + artifact);
 417                                                 continue entries;
 418                                         }
 419                                         if (entry.getName().endsWith("module-info.class")) { // skip Java 9 module info
 420                                                 origin.deleted.add("Java module information (module-info.class) from " + artifact);
 421                                                 continue entries;
 422                                         }
 423                                         if (entry.getName().startsWith("META-INF/versions/")) { // skip multi-version
 424                                                 origin.deleted.add("additional Java versions (META-INF/versions) from " + artifact);
 425                                                 continue entries;
 426                                         }
 427                                         if (entry.getName().startsWith("META-INF/maven/")) {
 428                                                 origin.deleted.add("Maven information (META-INF/maven) from " + artifact);
 429                                                 continue entries;
 430                                         }
 431                                         if (entry.getName().startsWith(".cache/")) { // Apache SSHD
 432                                                 origin.deleted.add("cache directory (.cache) from " + artifact);
 433                                                 continue entries;
 434                                         }
 435                                         if (entry.getName().equals("META-INF/DEPENDENCIES")) {
 436                                                 origin.deleted.add("Dependencies (META-INF/DEPENDENCIES) from " + artifact);
 437                                                 continue entries;
 438                                         }
 439                                         if (entry.getName().equals("META-INF/MANIFEST.MF")) {
 440                                                 Path originalManifest = bundleDir.resolve(A2_ORIGIN).resolve(artifact.getGroupId())
 441                                                                 .resolve(artifact.getArtifactId()).resolve("MANIFEST.MF");
 442                                                 Files.createDirectories(originalManifest.getParent());
 443                                                 try (OutputStream out = Files.newOutputStream(originalManifest)) {
 444                                                         Files.copy(jarIn, originalManifest);
 445                                                 }
 446                                                 origin.added.add(
 447                                                                 "original MANIFEST (" + bundleDir.relativize(originalManifest) + ") from " + artifact);
 448                                                 continue entries;
 449                                         }
 450
 451                                         if (entry.getName().endsWith("NOTICE") || entry.getName().endsWith("NOTICE.txt")
 452                                                         || entry.getName().endsWith("LICENSE") || entry.getName().endsWith("LICENSE.md")
 453                                                         || entry.getName().endsWith("LICENSE-notice.md") || entry.getName().endsWith("COPYING")
 454                                                         || entry.getName().endsWith("COPYING.LESSER")) {
 455                                                 Path artifactOriginDir = bundleDir.resolve(A2_ORIGIN).resolve(artifact.getGroupId())
 456                                                                 .resolve(artifact.getArtifactId());
 457                                                 Path target = artifactOriginDir.resolve(entry.getName());
 458                                                 Files.createDirectories(target.getParent());
 459                                                 Files.copy(jarIn, target);
 460                                                 origin.moved.add(entry.getName() + " in " + artifact + " to " + bundleDir.relativize(target));
 461                                                 continue entries;
 462                                         }
 463                                         Path target = bundleDir.resolve(entry.getName());
 464                                         Files.createDirectories(target.getParent());
 465                                         if (!Files.exists(target)) {
 466                                                 Files.copy(jarIn, target);
 467                                         } else {
 468                                                 if (entry.getName().startsWith("META-INF/services/")) {
 469                                                         try (OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND)) {
 470                                                                 out.write("\n".getBytes());
 471                                                                 jarIn.transferTo(out);
 472                                                                 logger.log(DEBUG, artifact.getArtifactId() + " - Appended " + entry.getName());
 473                                                         }
 474                                                         origin.modified.add(entry.getName() + ", merging from " + artifact);
 475                                                 } else if (entry.getName().startsWith("org/apache/batik/")) {
 476                                                         logger.log(TRACE, "Skip " + entry.getName());
 477                                                         continue entries;
 478                                                 } else {
 479                                                         throw new IllegalStateException("File " + target + " from " + artifact + " already exists");
 480                                                 }
 481                                         }
 482                                         logger.log(TRACE, () -> "Copied " + target);
 483                                 }
 484                         }
 485                         origin.added.add("binary content of " + artifact);
 486
 487                         // process sources
 488                         downloadAndProcessM2Sources(repoStr, artifact, bundleDir, true);
 489                 }
 490
 491                 // additional service files
 492                 Path servicesDir = duDir.resolve("services");
 493                 if (Files.exists(servicesDir)) {
 494                         for (Path p : Files.newDirectoryStream(servicesDir)) {
 495                                 Path target = bundleDir.resolve("META-INF/services/").resolve(p.getFileName());
 496                                 try (InputStream in = Files.newInputStream(p);
 497                                                 OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND);) {
 498                                         out.write("\n".getBytes());
 499                                         in.transferTo(out);
 500                                         logger.log(DEBUG, "Appended " + p);
 501                                 }
 502                                 origin.added.add(bundleDir.relativize(target).toString());
 503                         }
 504                 }
 505
 506                 Map<String, String> entries = new TreeMap<>();
 507                 try (Analyzer bndAnalyzer = new Analyzer()) {
 508                         bndAnalyzer.setProperties(mergeProps);
 509                         Jar jar = new Jar(bundleDir.toFile());
 510                         bndAnalyzer.setJar(jar);
 511                         Manifest manifest = bndAnalyzer.calcManifest();
 512
 513                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 514                                 Object value = manifest.getMainAttributes().get(key);
 515
 516                                 switch (key.toString()) {
 517                                 case "Tool":
 518                                 case "Bnd-LastModified":
 519                                 case "Created-By":
 520                                         continue keys;
 521                                 }
 522                                 if ("Require-Capability".equals(key.toString())
 523                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 524                                         continue keys;// hack for very old classes
 525                                 entries.put(key.toString(), value.toString());
 526                         }
 527                 } catch (Exception e) {
 528                         throw new RuntimeException("Cannot process " + mergeBnd, e);
 529                 }
 530
 531                 Manifest manifest = new Manifest();
 532                 Path manifestPath = bundleDir.resolve("META-INF/MANIFEST.MF");
 533                 Files.createDirectories(manifestPath.getParent());
 534                 for (String key : entries.keySet()) {
 535                         String value = entries.get(key);
 536                         manifest.getMainAttributes().putValue(key, value);
 537                 }
 538
 539                 try (OutputStream out = Files.newOutputStream(manifestPath)) {
 540                         manifest.write(out);
 541                 }
 542                 createJar(bundleDir, origin);
 543         }
 544
 545         /** Generate MANIFEST using BND. */
 546         Path processBndJar(Path downloaded, Path targetCategoryBase, Properties fileProps, M2Artifact artifact,
 547                         A2Origin origin) {
 548                 try {
 549                         Map<String, String> additionalEntries = new TreeMap<>();
 550                         boolean doNotModifyManifest = Boolean.parseBoolean(
 551                                         fileProps.getOrDefault(ARGEO_ORIGIN_MANIFEST_NOT_MODIFIED.toString(), "false").toString());
 552
 553                         // Note: we always force the symbolic name
 554                         if (doNotModifyManifest) {
 555                                 fileEntries: for (Object key : fileProps.keySet()) {
 556                                         if (ARGEO_ORIGIN_M2.toString().equals(key))
 557                                                 continue fileEntries;
 558                                         String value = fileProps.getProperty(key.toString());
 559                                         additionalEntries.put(key.toString(), value);
 560                                 }
 561                         } else {
 562                                 if (artifact != null) {
 563                                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 564                                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), artifact.getName());
 565                                         }
 566                                         if (!fileProps.containsKey(BUNDLE_VERSION.toString())) {
 567                                                 fileProps.put(BUNDLE_VERSION.toString(), artifact.getVersion());
 568                                         }
 569                                 }
 570
 571                                 if (!fileProps.containsKey(EXPORT_PACKAGE.toString())) {
 572                                         fileProps.put(EXPORT_PACKAGE.toString(),
 573                                                         "*;version=\"" + fileProps.getProperty(BUNDLE_VERSION.toString()) + "\"");
 574                                 }
 575
 576                                 try (Analyzer bndAnalyzer = new Analyzer()) {
 577                                         bndAnalyzer.setProperties(fileProps);
 578                                         Jar jar = new Jar(downloaded.toFile());
 579                                         bndAnalyzer.setJar(jar);
 580                                         Manifest manifest = bndAnalyzer.calcManifest();
 581
 582                                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 583                                                 Object value = manifest.getMainAttributes().get(key);
 584
 585                                                 switch (key.toString()) {
 586                                                 case "Tool":
 587                                                 case "Bnd-LastModified":
 588                                                 case "Created-By":
 589                                                         continue keys;
 590                                                 }
 591                                                 if ("Require-Capability".equals(key.toString())
 592                                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 593                                                         continue keys;// !! hack for very old classes
 594                                                 additionalEntries.put(key.toString(), value.toString());
 595                                         }
 596                                 }
 597                         }
 598                         Path targetBundleDir = processBundleJar(downloaded, targetCategoryBase, additionalEntries, origin);
 599                         logger.log(DEBUG, () -> "Processed " + downloaded);
 600                         return targetBundleDir;
 601                 } catch (Exception e) {
 602                         throw new RuntimeException("Cannot BND process " + downloaded, e);
 603                 }
 604
 605         }
 606
 607         /** Download and integrates sources for a single Maven artifact. */
 608         void downloadAndProcessM2Sources(String repoStr, M2Artifact artifact, Path targetBundleDir, boolean merging)
 609                         throws IOException {
 610                 try {
 611                         M2Artifact sourcesArtifact = new M2Artifact(artifact.toM2Coordinates(), "sources");
 612                         URL sourcesUrl = M2ConventionsUtils.mavenRepoUrl(repoStr, sourcesArtifact);
 613                         Path sourcesDownloaded = downloadMaven(sourcesUrl, artifact, true);
 614                         processM2SourceJar(sourcesDownloaded, targetBundleDir, merging ? artifact : null);
 615                         logger.log(TRACE, () -> "Processed source " + sourcesDownloaded);
 616                 } catch (Exception e) {
 617                         logger.log(ERROR, () -> "Cannot download source for  " + artifact);
 618                 }
 619
 620         }
 621
 622         /** Integrate sources from a downloaded jar file. */
 623         void processM2SourceJar(Path file, Path bundleDir, M2Artifact mergingFrom) throws IOException {
 624                 A2Origin origin = new A2Origin();
 625                 Path sourceDir = sourceBundles ? bundleDir.getParent().resolve(bundleDir.toString() + ".src")
 626                                 : bundleDir.resolve("OSGI-OPT/src");
 627                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 628
 629                         String mergingMsg = "";
 630                         if (mergingFrom != null)
 631                                 mergingMsg = " of " + mergingFrom;
 632
 633                         Files.createDirectories(sourceDir);
 634                         JarEntry entry;
 635                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 636                                 if (entry.isDirectory())
 637                                         continue entries;
 638                                 if (entry.getName().startsWith("META-INF")) {// skip META-INF entries
 639                                         origin.deleted.add("META-INF directory from the sources" + mergingMsg);
 640                                         continue entries;
 641                                 }
 642                                 if (entry.getName().startsWith("module-info.java")) {// skip Java module information
 643                                         origin.deleted.add("Java module information from the sources (module-info.java)" + mergingMsg);
 644                                         continue entries;
 645                                 }
 646                                 if (entry.getName().startsWith("/")) { // absolute paths
 647                                         // TODO does it really happen?
 648                                         logger.log(WARNING, entry.getName() + " has an absolute path");
 649                                         origin.deleted.add(entry.getName() + " from the sources" + mergingMsg);
 650                                         continue entries;
 651                                 }
 652                                 Path target = sourceDir.resolve(entry.getName());
 653                                 Files.createDirectories(target.getParent());
 654                                 if (!Files.exists(target)) {
 655                                         Files.copy(jarIn, target);
 656                                         logger.log(TRACE, () -> "Copied source " + target);
 657                                 } else {
 658                                         logger.log(TRACE, () -> target + " already exists, skipping...");
 659                                 }
 660                         }
 661                 }
 662                 // write the changes
 663                 if (sourceBundles) {
 664                         origin.appendChanges(sourceDir);
 665                 } else {
 666                         origin.added.add("source code under OSGI-OPT/src");
 667                         origin.appendChanges(bundleDir);
 668                 }
 669         }
 670
 671         /** Download a Maven artifact. */
 672         Path downloadMaven(URL url, M2Artifact artifact) throws IOException {
 673                 return downloadMaven(url, artifact, false);
 674         }
 675
 676         /** Download a Maven artifact. */
 677         Path downloadMaven(URL url, M2Artifact artifact, boolean sources) throws IOException {
 678                 return download(url, mavenBase, artifact.getGroupId().replace(".", "/") //
 679                                 + '/' + artifact.getArtifactId() + '/' + artifact.getVersion() //
 680                                 + '/' + artifact.getArtifactId() + "-" + artifact.getVersion() + (sources ? "-sources" : "") + ".jar");
 681         }
 682
 683         /*
 684          * ECLIPSE ORIGIN
 685          */
 686         /** Process an archive in Eclipse format. */
 687         void processEclipseArchive(Path duDir) {
 688                 try {
 689                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 690                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 691                         Files.createDirectories(targetCategoryBase);
 692                         // first delete all directories from previous builds
 693                         for (Path dir : Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p)))
 694                                 deleteDirectory(dir);
 695
 696                         Files.createDirectories(originBase);
 697
 698                         Path commonBnd = duDir.resolve(COMMON_BND);
 699                         Properties commonProps = new Properties();
 700                         try (InputStream in = Files.newInputStream(commonBnd)) {
 701                                 commonProps.load(in);
 702                         }
 703                         String url = commonProps.getProperty(ARGEO_ORIGIN_URI.toString());
 704                         if (url == null) {
 705                                 url = uris.getProperty(duDir.getFileName().toString());
 706                                 if (url == null)
 707                                         throw new IllegalStateException("No url available for " + duDir);
 708                                 commonProps.put(ARGEO_ORIGIN_URI.toString(), url);
 709                         }
 710                         Path downloaded = tryDownloadArchive(url, originBase);
 711
 712                         FileSystem zipFs = FileSystems.newFileSystem(downloaded, (ClassLoader) null);
 713
 714                         // filters
 715                         List<PathMatcher> includeMatchers = new ArrayList<>();
 716                         Properties includes = new Properties();
 717                         try (InputStream in = Files.newInputStream(duDir.resolve("includes.properties"))) {
 718                                 includes.load(in);
 719                         }
 720                         for (Object pattern : includes.keySet()) {
 721                                 PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 722                                 includeMatchers.add(pathMatcher);
 723                         }
 724
 725                         List<PathMatcher> excludeMatchers = new ArrayList<>();
 726                         Path excludeFile = duDir.resolve("excludes.properties");
 727                         if (Files.exists(excludeFile)) {
 728                                 Properties excludes = new Properties();
 729                                 try (InputStream in = Files.newInputStream(excludeFile)) {
 730                                         excludes.load(in);
 731                                 }
 732                                 for (Object pattern : excludes.keySet()) {
 733                                         PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 734                                         excludeMatchers.add(pathMatcher);
 735                                 }
 736                         }
 737
 738                         // keys are the bundle directories
 739                         Map<Path, A2Origin> origins = new HashMap<>();
 740                         Files.walkFileTree(zipFs.getRootDirectories().iterator().next(), new SimpleFileVisitor<Path>() {
 741
 742                                 @Override
 743                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 744                                         includeMatchers: for (PathMatcher includeMatcher : includeMatchers) {
 745                                                 if (includeMatcher.matches(file)) {
 746                                                         for (PathMatcher excludeMatcher : excludeMatchers) {
 747                                                                 if (excludeMatcher.matches(file)) {
 748                                                                         logger.log(TRACE, "Skipping excluded " + file);
 749                                                                         return FileVisitResult.CONTINUE;
 750                                                                 }
 751                                                         }
 752                                                         if (file.getFileName().toString().contains(".source_")) {
 753                                                                 processEclipseSourceJar(file, targetCategoryBase);
 754                                                                 logger.log(DEBUG, () -> "Processed source " + file);
 755                                                         } else {
 756                                                                 Map<String, String> map = new HashMap<>();
 757                                                                 for (Object key : commonProps.keySet())
 758                                                                         map.put(key.toString(), commonProps.getProperty(key.toString()));
 759                                                                 A2Origin origin = new A2Origin();
 760                                                                 Path bundleDir = processBundleJar(file, targetCategoryBase, map, origin);
 761                                                                 origins.put(bundleDir, origin);
 762                                                                 logger.log(DEBUG, () -> "Processed " + file);
 763                                                         }
 764                                                         break includeMatchers;
 765                                                 }
 766                                         }
 767                                         return FileVisitResult.CONTINUE;
 768                                 }
 769                         });
 770
 771                         DirectoryStream<Path> dirs = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p)
 772                                         && p.getFileName().toString().indexOf('.') >= 0 && !p.getFileName().toString().endsWith(".src"));
 773                         for (Path bundleDir : dirs) {
 774                                 A2Origin origin = origins.get(bundleDir);
 775                                 Objects.requireNonNull(origin, "No A2 origin found for " + bundleDir);
 776                                 createJar(bundleDir, origin);
 777                         }
 778                 } catch (IOException e) {
 779                         throw new RuntimeException("Cannot process " + duDir, e);
 780                 }
 781
 782         }
 783
 784         /** Process sources in Eclipse format. */
 785         void processEclipseSourceJar(Path file, Path targetBase) throws IOException {
 786                 try {
 787                         A2Origin origin = new A2Origin();
 788                         Path bundleDir;
 789                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 790                                 Manifest manifest = jarIn.getManifest();
 791
 792                                 String[] relatedBundle = manifest.getMainAttributes().getValue(ECLIPSE_SOURCE_BUNDLE.toString())
 793                                                 .split(";");
 794                                 String version = relatedBundle[1].substring("version=\"".length());
 795                                 version = version.substring(0, version.length() - 1);
 796                                 NameVersion nameVersion = new NameVersion(relatedBundle[0], version);
 797                                 bundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 798
 799                                 Path sourceDir = sourceBundles ? bundleDir.getParent().resolve(bundleDir.toString() + ".src")
 800                                                 : bundleDir.resolve("OSGI-OPT/src");
 801
 802                                 Files.createDirectories(sourceDir);
 803                                 JarEntry entry;
 804                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 805                                         if (entry.isDirectory())
 806                                                 continue entries;
 807                                         if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 808                                                 continue entries;
 809                                         Path target = sourceDir.resolve(entry.getName());
 810                                         Files.createDirectories(target.getParent());
 811                                         Files.copy(jarIn, target);
 812                                         logger.log(TRACE, () -> "Copied source " + target);
 813                                 }
 814
 815                                 // write the changes
 816                                 if (sourceBundles) {
 817                                         origin.appendChanges(sourceDir);
 818                                 } else {
 819                                         origin.added.add("source code under OSGI-OPT/src");
 820                                         origin.appendChanges(bundleDir);
 821                                 }
 822                         }
 823                 } catch (IOException e) {
 824                         throw new IllegalStateException("Cannot process " + file, e);
 825                 }
 826         }
 827
 828         /*
 829          * COMMON PROCESSING
 830          */
 831         /** Normalise a bundle. */
 832         Path processBundleJar(Path file, Path targetBase, Map<String, String> entries, A2Origin origin) throws IOException {
 833                 boolean embed = Boolean.parseBoolean(entries.getOrDefault(ARGEO_ORIGIN_EMBED.toString(), "false").toString());
 834                 NameVersion nameVersion;
 835                 Path bundleDir;
 836                 // singleton
 837                 boolean isSingleton = false;
 838                 Manifest manifest;
 839                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 840                         Manifest sourceManifest = jarIn.getManifest();
 841                         manifest = sourceManifest != null ? new Manifest(sourceManifest) : new Manifest();
 842
 843                         String rawSourceSymbolicName = manifest.getMainAttributes().getValue(BUNDLE_SYMBOLICNAME.toString());
 844                         if (rawSourceSymbolicName != null) {
 845                                 // make sure there is no directive
 846                                 String[] arr = rawSourceSymbolicName.split(";");
 847                                 for (int i = 1; i < arr.length; i++) {
 848                                         if (arr[i].trim().equals("singleton:=true"))
 849                                                 isSingleton = true;
 850                                         logger.log(DEBUG, file.getFileName() + " is a singleton");
 851                                 }
 852                         }
 853                         // remove problematic entries in MANIFEST
 854                         manifest.getEntries().clear();
 855
 856                         String ourSymbolicName = entries.get(BUNDLE_SYMBOLICNAME.toString());
 857                         String ourVersion = entries.get(BUNDLE_VERSION.toString());
 858
 859                         if (ourSymbolicName != null && ourVersion != null) {
 860                                 nameVersion = new NameVersion(ourSymbolicName, ourVersion);
 861                         } else {
 862                                 nameVersion = nameVersionFromManifest(manifest);
 863                                 if (ourVersion != null && !nameVersion.getVersion().equals(ourVersion)) {
 864                                         logger.log(WARNING,
 865                                                         "Original version is " + nameVersion.getVersion() + " while new version is " + ourVersion);
 866                                         entries.put(BUNDLE_VERSION.toString(), ourVersion);
 867                                 }
 868                                 if (ourSymbolicName != null) {
 869                                         // we always force our symbolic name
 870                                         nameVersion.setName(ourSymbolicName);
 871                                 }
 872                         }
 873                         bundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 874
 875                         if (sourceManifest != null) {// copy original MANIFEST
 876                                 Path originalManifest = bundleDir.resolve(A2_ORIGIN).resolve("MANIFEST.MF");
 877                                 Files.createDirectories(originalManifest.getParent());
 878                                 try (OutputStream out = Files.newOutputStream(originalManifest)) {
 879                                         sourceManifest.write(out);
 880                                 }
 881                                 origin.added.add("original MANIFEST (" + bundleDir.relativize(originalManifest) + ")");
 882                         }
 883
 884                         // force Java 9 module name
 885                         entries.put(ManifestConstants.AUTOMATIC_MODULE_NAME.toString(), nameVersion.getName());
 886
 887                         boolean isNative = false;
 888                         String os = null;
 889                         String arch = null;
 890                         if (bundleDir.startsWith(a2LibBase)) {
 891                                 isNative = true;
 892                                 Path libRelativePath = a2LibBase.relativize(bundleDir);
 893                                 os = libRelativePath.getName(0).toString();
 894                                 arch = libRelativePath.getName(1).toString();
 895                         }
 896
 897                         if (!embed) {
 898                                 // copy entries
 899                                 JarEntry entry;
 900                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 901                                         if (entry.isDirectory())
 902                                                 continue entries;
 903                                         if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".DSA")
 904                                                         || entry.getName().endsWith(".SF")) {
 905                                                 origin.deleted.add("cryptographic signatures");
 906                                                 continue entries;
 907                                         }
 908                                         if (entry.getName().endsWith("module-info.class")) { // skip Java 9 module info
 909                                                 origin.deleted.add("Java module information (module-info.class)");
 910                                                 continue entries;
 911                                         }
 912                                         if (entry.getName().startsWith("META-INF/versions/")) { // skip multi-version
 913                                                 origin.deleted.add("additional Java versions (META-INF/versions)");
 914                                                 continue entries;
 915                                         }
 916                                         if (entry.getName().startsWith("META-INF/maven/")) {
 917                                                 origin.deleted.add("Maven information (META-INF/maven)");
 918                                                 continue entries;
 919                                         }
 920                                         // skip file system providers as they cause issues with native image
 921                                         if (entry.getName().startsWith("META-INF/services/java.nio.file.spi.FileSystemProvider")) {
 922                                                 origin.deleted
 923                                                                 .add("file system providers (META-INF/services/java.nio.file.spi.FileSystemProvider)");
 924                                                 continue entries;
 925                                         }
 926                                         if (entry.getName().startsWith("OSGI-OPT/src/")) { // skip embedded sources
 927                                                 origin.deleted.add("embedded sources");
 928                                                 continue entries;
 929                                         }
 930                                         Path target = bundleDir.resolve(entry.getName());
 931                                         Files.createDirectories(target.getParent());
 932                                         Files.copy(jarIn, target);
 933
 934                                         // native libraries
 935                                         if (isNative && (entry.getName().endsWith(".so") || entry.getName().endsWith(".dll")
 936                                                         || entry.getName().endsWith(".jnilib"))) {
 937                                                 Path categoryDir = bundleDir.getParent();
 938                                                 boolean copyDll = false;
 939                                                 Path targetDll = categoryDir.resolve(bundleDir.relativize(target));
 940                                                 if (nameVersion.getName().equals("com.sun.jna")) {
 941                                                         if (arch.equals("x86_64"))
 942                                                                 arch = "x86-64";
 943                                                         if (os.equals("macosx"))
 944                                                                 os = "darwin";
 945                                                         if (target.getParent().getFileName().toString().equals(os + "-" + arch)) {
 946                                                                 copyDll = true;
 947                                                         }
 948                                                         targetDll = categoryDir.resolve(target.getFileName());
 949                                                 } else {
 950                                                         copyDll = true;
 951                                                 }
 952                                                 if (copyDll) {
 953                                                         Files.createDirectories(targetDll.getParent());
 954                                                         if (Files.exists(targetDll))
 955                                                                 Files.delete(targetDll);
 956                                                         Files.copy(target, targetDll);
 957                                                 }
 958                                                 Files.delete(target);
 959                                                 origin.deleted.add(bundleDir.relativize(target).toString());
 960                                         }
 961                                         logger.log(TRACE, () -> "Copied " + target);
 962                                 }
 963                         }
 964                 }
 965
 966                 // copy MANIFEST
 967                 Path manifestPath = bundleDir.resolve("META-INF/MANIFEST.MF");
 968                 Files.createDirectories(manifestPath.getParent());
 969
 970                 if (isSingleton && entries.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 971                         entries.put(BUNDLE_SYMBOLICNAME.toString(),
 972                                         entries.get(BUNDLE_SYMBOLICNAME.toString()) + ";singleton:=true");
 973                 }
 974
 975                 if (embed) {// copy embedded jar
 976                         Files.copy(file, bundleDir.resolve(file.getFileName()));
 977                         entries.put(ManifestConstants.BUNDLE_CLASSPATH.toString(), file.getFileName().toString());
 978                 }
 979
 980                 // Final MANIFEST decisions
 981                 // This also where we check the original OSGi metadata and compare with our
 982                 // changes
 983                 for (String key : entries.keySet()) {
 984                         String value = entries.get(key);
 985                         String previousValue = manifest.getMainAttributes().getValue(key);
 986                         boolean wasDifferent = previousValue != null && !previousValue.equals(value);
 987                         boolean keepPrevious = false;
 988                         if (wasDifferent) {
 989                                 if (SPDX_LICENSE_IDENTIFIER.toString().equals(key) && previousValue != null)
 990                                         keepPrevious = true;
 991                                 else if (BUNDLE_VERSION.toString().equals(key) && wasDifferent)
 992                                         if (previousValue.equals(value + ".0")) // typically a Maven first release
 993                                                 keepPrevious = true;
 994
 995                                 if (keepPrevious) {
 996                                         if (logger.isLoggable(DEBUG))
 997                                                 logger.log(DEBUG, file.getFileName() + ": " + key + " was NOT modified, value kept is "
 998                                                                 + previousValue + ", not overriden with " + value);
 999                                         value = previousValue;
1000                                 }
1001                         }
1002
1003                         manifest.getMainAttributes().putValue(key, value);
1004                         if (wasDifferent && !keepPrevious) {
1005                                 if (IMPORT_PACKAGE.toString().equals(key) || EXPORT_PACKAGE.toString().equals(key))
1006                                         logger.log(TRACE, () -> file.getFileName() + ": " + key + " was modified");
1007                                 else
1008                                         logger.log(WARNING,
1009                                                         file.getFileName() + ": " + key + " was " + previousValue + ", overridden with " + value);
1010                         }
1011
1012                         // de-pollute MANIFEST
1013                         switch (key) {
1014                         case "Archiver-Version":
1015                         case "Build-By":
1016                         case "Created-By":
1017                         case "Originally-Created-By":
1018                         case "Tool":
1019                         case "Bnd-LastModified":
1020                                 manifest.getMainAttributes().remove(key);
1021                                 break;
1022                         default: // do nothing
1023                         }
1024
1025                         // !! hack to remove unresolvable
1026                         if (key.equals("Provide-Capability") || key.equals("Require-Capability"))
1027                                 if (nameVersion.getName().equals("osgi.core") || nameVersion.getName().equals("osgi.cmpn")) {
1028                                         manifest.getMainAttributes().remove(key);
1029                                 }
1030                 }
1031
1032                 // license checks
1033                 String spdxLicenceId = manifest.getMainAttributes().getValue(SPDX_LICENSE_IDENTIFIER.toString());
1034                 String bundleLicense = manifest.getMainAttributes().getValue(BUNDLE_LICENSE.toString());
1035                 if (spdxLicenceId == null) {
1036                         logger.log(ERROR, file.getFileName() + ": " + SPDX_LICENSE_IDENTIFIER + " not available, " + BUNDLE_LICENSE
1037                                         + " is " + bundleLicense);
1038                 } else {
1039                         if (!licensesUsed.containsKey(spdxLicenceId))
1040                                 licensesUsed.put(spdxLicenceId, new TreeSet<>());
1041                         licensesUsed.get(spdxLicenceId).add(nameVersion.toString());
1042                 }
1043
1044                 origin.modified.add("jar MANIFEST (META-INF/MANIFEST.MF)");
1045                 // write the MANIFEST
1046                 try (OutputStream out = Files.newOutputStream(manifestPath)) {
1047                         manifest.write(out);
1048                 }
1049                 return bundleDir;
1050         }
1051
1052         /*
1053          * UTILITIES
1054          */
1055         /** Recursively deletes a directory. */
1056         static void deleteDirectory(Path path) throws IOException {
1057                 if (!Files.exists(path))
1058                         return;
1059                 Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
1060                         @Override
1061                         public FileVisitResult postVisitDirectory(Path directory, IOException e) throws IOException {
1062                                 if (e != null)
1063                                         throw e;
1064                                 Files.delete(directory);
1065                                 return CONTINUE;
1066                         }
1067
1068                         @Override
1069                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1070                                 Files.delete(file);
1071                                 return CONTINUE;
1072                         }
1073                 });
1074         }
1075
1076         /** Extract name/version from a MANIFEST. */
1077         NameVersion nameVersionFromManifest(Manifest manifest) {
1078                 Attributes attrs = manifest.getMainAttributes();
1079                 // symbolic name
1080                 String symbolicName = attrs.getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
1081                 if (symbolicName == null)
1082                         return null;
1083                 // make sure there is no directive
1084                 symbolicName = symbolicName.split(";")[0];
1085
1086                 String version = attrs.getValue(ManifestConstants.BUNDLE_VERSION.toString());
1087                 return new NameVersion(symbolicName, version);
1088         }
1089
1090         /** Try to download from an URI. */
1091         Path tryDownloadArchive(String uri, Path dir) throws IOException {
1092                 // find mirror
1093                 List<String> urlBases = null;
1094                 String uriPrefix = null;
1095                 uriPrefixes: for (String uriPref : mirrors.keySet()) {
1096                         if (uri.startsWith(uriPref)) {
1097                                 if (mirrors.get(uriPref).size() > 0) {
1098                                         urlBases = mirrors.get(uriPref);
1099                                         uriPrefix = uriPref;
1100                                         break uriPrefixes;
1101                                 }
1102                         }
1103                 }
1104                 if (urlBases == null)
1105                         try {
1106                                 return downloadArchive(new URL(uri), dir);
1107                         } catch (FileNotFoundException e) {
1108                                 throw new FileNotFoundException("Cannot find " + uri);
1109                         }
1110
1111                 // try to download
1112                 for (String urlBase : urlBases) {
1113                         String relativePath = uri.substring(uriPrefix.length());
1114                         URL url = new URL(urlBase + relativePath);
1115                         try {
1116                                 return downloadArchive(url, dir);
1117                         } catch (FileNotFoundException e) {
1118                                 logger.log(WARNING, "Cannot download " + url + ", trying another mirror");
1119                         }
1120                 }
1121                 throw new FileNotFoundException("Cannot find " + uri);
1122         }
1123
1124         /**
1125          * Effectively download. Synchronised in order to avoid downloading twice in
1126          * parallel.
1127          */
1128         synchronized Path downloadArchive(URL url, Path dir) throws IOException {
1129                 return download(url, dir, (String) null);
1130         }
1131
1132         /** Effectively download. */
1133         Path download(URL url, Path dir, String name) throws IOException {
1134
1135                 Path dest;
1136                 if (name == null) {
1137                         // We use also use parent directory in case the archive itself has a fixed name
1138                         String[] segments = url.getPath().split("/");
1139                         name = segments.length > 1 ? segments[segments.length - 2] + '-' + segments[segments.length - 1]
1140                                         : segments[segments.length - 1];
1141                 }
1142
1143                 dest = dir.resolve(name);
1144                 if (Files.exists(dest)) {
1145                         logger.log(TRACE, () -> "File " + dest + " already exists for " + url + ", not downloading again");
1146                         return dest;
1147                 } else {
1148                         Files.createDirectories(dest.getParent());
1149                 }
1150
1151                 try (InputStream in = url.openStream()) {
1152                         Files.copy(in, dest);
1153                         logger.log(DEBUG, () -> "Downloaded " + dest + " from " + url);
1154                 }
1155                 return dest;
1156         }
1157
1158         /** Create a JAR file from a directory. */
1159         Path createJar(Path bundleDir, A2Origin origin) throws IOException {
1160                 // write changes
1161                 origin.appendChanges(bundleDir);
1162                 // Create the jar
1163                 Path jarPath = bundleDir.getParent().resolve(bundleDir.getFileName() + ".jar");
1164                 Path manifestPath = bundleDir.resolve("META-INF/MANIFEST.MF");
1165                 Manifest manifest;
1166                 try (InputStream in = Files.newInputStream(manifestPath)) {
1167                         manifest = new Manifest(in);
1168                 }
1169                 try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarPath), manifest)) {
1170                         jarOut.setLevel(Deflater.DEFAULT_COMPRESSION);
1171                         Files.walkFileTree(bundleDir, new SimpleFileVisitor<Path>() {
1172
1173                                 @Override
1174                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1175                                         if (file.getFileName().toString().equals("MANIFEST.MF"))
1176                                                 return super.visitFile(file, attrs);
1177                                         JarEntry entry = new JarEntry(
1178                                                         bundleDir.relativize(file).toString().replace(File.separatorChar, '/'));
1179                                         jarOut.putNextEntry(entry);
1180                                         Files.copy(file, jarOut);
1181                                         return super.visitFile(file, attrs);
1182                                 }
1183
1184                         });
1185                 }
1186                 deleteDirectory(bundleDir);
1187
1188                 if (sourceBundles)
1189                         createSourceJar(bundleDir, manifest);
1190
1191                 return jarPath;
1192         }
1193
1194         void createSourceJar(Path bundleDir, Manifest manifest) throws IOException {
1195                 Path bundleCategoryDir = bundleDir.getParent();
1196                 Path sourceDir = bundleCategoryDir.resolve(bundleDir.toString() + ".src");
1197                 if (!Files.exists(sourceDir)) {
1198                         logger.log(WARNING, sourceDir + " does not exist, skipping...");
1199                         return;
1200
1201                 }
1202
1203                 Path relPath = a2Base.relativize(bundleCategoryDir);
1204                 Path srcCategoryDir = a2SrcBase.resolve(relPath);
1205                 Path srcJarP = srcCategoryDir.resolve(sourceDir.getFileName() + ".jar");
1206                 Files.createDirectories(srcJarP.getParent());
1207
1208                 String bundleSymbolicName = manifest.getMainAttributes().getValue("Bundle-SymbolicName").toString();
1209                 // in case there are additional directives
1210                 bundleSymbolicName = bundleSymbolicName.split(";")[0];
1211                 Manifest srcManifest = new Manifest();
1212                 srcManifest.getMainAttributes().put(MANIFEST_VERSION, "1.0");
1213                 srcManifest.getMainAttributes().putValue(BUNDLE_SYMBOLICNAME.toString(), bundleSymbolicName + ".src");
1214                 srcManifest.getMainAttributes().putValue(BUNDLE_VERSION.toString(),
1215                                 manifest.getMainAttributes().getValue(BUNDLE_VERSION.toString()).toString());
1216                 srcManifest.getMainAttributes().putValue(ECLIPSE_SOURCE_BUNDLE.toString(),
1217                                 bundleSymbolicName + ";version=\"" + manifest.getMainAttributes().getValue(BUNDLE_VERSION.toString()));
1218
1219                 try (JarOutputStream srcJarOut = new JarOutputStream(Files.newOutputStream(srcJarP), srcManifest)) {
1220                         srcJarOut.setLevel(Deflater.BEST_COMPRESSION);
1221                         Files.walkFileTree(sourceDir, new SimpleFileVisitor<Path>() {
1222
1223                                 @Override
1224                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1225                                         if (file.getFileName().toString().equals("MANIFEST.MF"))
1226                                                 return super.visitFile(file, attrs);
1227                                         JarEntry entry = new JarEntry(
1228                                                         sourceDir.relativize(file).toString().replace(File.separatorChar, '/'));
1229                                         srcJarOut.putNextEntry(entry);
1230                                         Files.copy(file, srcJarOut);
1231                                         return super.visitFile(file, attrs);
1232                                 }
1233
1234                         });
1235                 }
1236                 deleteDirectory(sourceDir);
1237         }
1238
1239         /** MANIFEST headers. */
1240         enum ManifestConstants {
1241                 // OSGi
1242                 /** OSGi bundle symbolic name. */
1243                 BUNDLE_SYMBOLICNAME("Bundle-SymbolicName"), //
1244                 /** OSGi bundle version. */
1245                 BUNDLE_VERSION("Bundle-Version"), //
1246                 /** OSGi bundle license. */
1247                 BUNDLE_LICENSE("Bundle-License"), //
1248                 /** OSGi exported packages list. */
1249                 EXPORT_PACKAGE("Export-Package"), //
1250                 /** OSGi imported packages list. */
1251                 IMPORT_PACKAGE("Import-Package"), //
1252                 /** OSGi path to embedded jar. */
1253                 BUNDLE_CLASSPATH("Bundle-Classpath"), //
1254                 // Java
1255                 /** Java module name. */
1256                 AUTOMATIC_MODULE_NAME("Automatic-Module-Name"), //
1257                 // Eclipse
1258                 /** Eclipse source bundle. */
1259                 ECLIPSE_SOURCE_BUNDLE("Eclipse-SourceBundle"), //
1260                 // SPDX
1261                 /**
1262                  * SPDX license identifier.
1263                  *
1264                  * @see https://spdx.org/licenses/
1265                  */
1266                 SPDX_LICENSE_IDENTIFIER("SPDX-License-Identifier"), //
1267                 // Argeo Origin
1268                 /**
1269                  * Maven coordinates of the origin, possibly partial when using common.bnd or
1270                  * merge.bnd.
1271                  */
1272                 ARGEO_ORIGIN_M2("Argeo-Origin-M2"), //
1273                 /** List of Maven coordinates to merge. */
1274                 ARGEO_ORIGIN_M2_MERGE("Argeo-Origin-M2-Merge"), //
1275                 /** Maven repository, if not the default one. */
1276                 ARGEO_ORIGIN_M2_REPO("Argeo-Origin-M2-Repo"), //
1277                 /**
1278                  * Do not perform BND analysis of the origin component. Typically IMport_package
1279                  * and Export-Package will be kept untouched.
1280                  */
1281                 ARGEO_ORIGIN_MANIFEST_NOT_MODIFIED("Argeo-Origin-ManifestNotModified"), //
1282                 /**
1283                  * Embed the original jar without modifying it (may be required by some
1284                  * proprietary licenses, such as JCR Day License).
1285                  */
1286                 ARGEO_ORIGIN_EMBED("Argeo-Origin-Embed"), //
1287                 /**
1288                  * Do not modify original jar (may be required by some proprietary licenses,
1289                  * such as JCR Day License).
1290                  */
1291                 ARGEO_DO_NOT_MODIFY("Argeo-Origin-Do-Not-Modify"), //
1292                 /**
1293                  * Origin (non-Maven) URI of the component. It may be anything (jar, archive,
1294                  * etc.).
1295                  */
1296                 ARGEO_ORIGIN_URI("Argeo-Origin-URI"), //
1297                 ;
1298
1299                 final String value;
1300
1301                 private ManifestConstants(String value) {
1302                         this.value = value;
1303                 }
1304
1305                 @Override
1306                 public String toString() {
1307                         return value;
1308                 }
1309         }
1310 }
1311
1312 /**
1313  * Gathers modifications performed on the original binaries and sources,
1314  * especially in order to comply with their license requirements.
1315  */
1316 class A2Origin {
1317         Set<String> modified = new TreeSet<>();
1318         Set<String> deleted = new TreeSet<>();
1319         Set<String> added = new TreeSet<>();
1320         Set<String> moved = new TreeSet<>();
1321
1322         /** Append changes to the A2-ORIGIN/changes file. */
1323         void appendChanges(Path baseDirectory) throws IOException {
1324                 Path changesFile = baseDirectory.resolve("A2-ORIGIN/changes");
1325                 Files.createDirectories(changesFile.getParent());
1326                 try (BufferedWriter writer = Files.newBufferedWriter(changesFile, StandardOpenOption.APPEND,
1327                                 StandardOpenOption.CREATE)) {
1328                         for (String msg : added)
1329                                 writer.write("- Added " + msg + ".\n");
1330                         for (String msg : modified)
1331                                 writer.write("- Modified " + msg + ".\n");
1332                         for (String msg : moved)
1333                                 writer.write("- Moved " + msg + ".\n");
1334                         for (String msg : deleted)
1335                                 writer.write("- Deleted " + msg + ".\n");
1336                 }
1337         }
1338 }
1339
1340 /** Simple representation of an M2 artifact. */
1341 class M2Artifact extends CategoryNameVersion {
1342         private String classifier;
1343
1344         M2Artifact(String m2coordinates) {
1345                 this(m2coordinates, null);
1346         }
1347
1348         M2Artifact(String m2coordinates, String classifier) {
1349                 String[] parts = m2coordinates.split(":");
1350                 setCategory(parts[0]);
1351                 setName(parts[1]);
1352                 if (parts.length > 2) {
1353                         setVersion(parts[2]);
1354                 }
1355                 this.classifier = classifier;
1356         }
1357
1358         String getGroupId() {
1359                 return super.getCategory();
1360         }
1361
1362         String getArtifactId() {
1363                 return super.getName();
1364         }
1365
1366         String toM2Coordinates() {
1367                 return getCategory() + ":" + getName() + (getVersion() != null ? ":" + getVersion() : "");
1368         }
1369
1370         String getClassifier() {
1371                 return classifier != null ? classifier : "";
1372         }
1373
1374         String getExtension() {
1375                 return "jar";
1376         }
1377 }
1378
1379 /** Utilities around Maven (conventions based). */
1380 class M2ConventionsUtils {
1381         final static String MAVEN_CENTRAL_BASE_URL = "https://repo1.maven.org/maven2/";
1382
1383         /** The file name of this artifact when stored */
1384         static String artifactFileName(M2Artifact artifact) {
1385                 return artifact.getArtifactId() + '-' + artifact.getVersion()
1386                                 + (artifact.getClassifier().equals("") ? "" : '-' + artifact.getClassifier()) + '.'
1387                                 + artifact.getExtension();
1388         }
1389
1390         /** Absolute path to the file */
1391         static String artifactPath(String artifactBasePath, M2Artifact artifact) {
1392                 return artifactParentPath(artifactBasePath, artifact) + '/' + artifactFileName(artifact);
1393         }
1394
1395         /** Absolute path to the file */
1396         static String artifactUrl(String repoUrl, M2Artifact artifact) {
1397                 if (repoUrl.endsWith("/"))
1398                         return repoUrl + artifactPath("/", artifact).substring(1);
1399                 else
1400                         return repoUrl + artifactPath("/", artifact);
1401         }
1402
1403         /** Absolute path to the file */
1404         static URL mavenRepoUrl(String repoBase, M2Artifact artifact) {
1405                 String url = artifactUrl(repoBase == null ? MAVEN_CENTRAL_BASE_URL : repoBase, artifact);
1406                 try {
1407                         return new URL(url);
1408                 } catch (MalformedURLException e) {
1409                         // it should not happen
1410                         throw new IllegalStateException(e);
1411                 }
1412         }
1413
1414         /** Absolute path to the directories where the files will be stored */
1415         static String artifactParentPath(String artifactBasePath, M2Artifact artifact) {
1416                 return artifactBasePath + (artifactBasePath.endsWith("/") ? "" : "/") + artifactParentPath(artifact);
1417         }
1418
1419         /** Relative path to the directories where the files will be stored */
1420         static String artifactParentPath(M2Artifact artifact) {
1421                 return artifact.getGroupId().replace('.', '/') + '/' + artifact.getArtifactId() + '/' + artifact.getVersion();
1422         }
1423
1424         /** Singleton */
1425         private M2ConventionsUtils() {
1426         }
1427 }
1428
1429 /** Combination of a category, a name and a version. */
1430 class CategoryNameVersion extends NameVersion {
1431         private String category;
1432
1433         CategoryNameVersion() {
1434         }
1435
1436         CategoryNameVersion(String category, String name, String version) {
1437                 super(name, version);
1438                 this.category = category;
1439         }
1440
1441         CategoryNameVersion(String category, NameVersion nameVersion) {
1442                 super(nameVersion);
1443                 this.category = category;
1444         }
1445
1446         String getCategory() {
1447                 return category;
1448         }
1449
1450         void setCategory(String category) {
1451                 this.category = category;
1452         }
1453
1454         @Override
1455         public String toString() {
1456                 return category + ":" + super.toString();
1457         }
1458
1459 }
1460
1461 /** Combination of a name and a version. */
1462 class NameVersion implements Comparable<NameVersion> {
1463         private String name;
1464         private String version;
1465
1466         NameVersion() {
1467         }
1468
1469         /** Interprets string in OSGi-like format my.module.name;version=0.0.0 */
1470         NameVersion(String nameVersion) {
1471                 int index = nameVersion.indexOf(";version=");
1472                 if (index < 0) {
1473                         setName(nameVersion);
1474                         setVersion(null);
1475                 } else {
1476                         setName(nameVersion.substring(0, index));
1477                         setVersion(nameVersion.substring(index + ";version=".length()));
1478                 }
1479         }
1480
1481         NameVersion(String name, String version) {
1482                 this.name = name;
1483                 this.version = version;
1484         }
1485
1486         NameVersion(NameVersion nameVersion) {
1487                 this.name = nameVersion.getName();
1488                 this.version = nameVersion.getVersion();
1489         }
1490
1491         String getName() {
1492                 return name;
1493         }
1494
1495         void setName(String name) {
1496                 this.name = name;
1497         }
1498
1499         String getVersion() {
1500                 return version;
1501         }
1502
1503         void setVersion(String version) {
1504                 this.version = version;
1505         }
1506
1507         String getBranch() {
1508                 String[] parts = getVersion().split("\\.");
1509                 if (parts.length < 2)
1510                         throw new IllegalStateException("Version " + getVersion() + " cannot be interpreted as branch.");
1511                 return parts[0] + "." + parts[1];
1512         }
1513
1514         @Override
1515         public boolean equals(Object obj) {
1516                 if (obj instanceof NameVersion) {
1517                         NameVersion nameVersion = (NameVersion) obj;
1518                         return name.equals(nameVersion.getName()) && version.equals(nameVersion.getVersion());
1519                 } else
1520                         return false;
1521         }
1522
1523         @Override
1524         public int hashCode() {
1525                 return name.hashCode();
1526         }
1527
1528         @Override
1529         public String toString() {
1530                 return name + ":" + version;
1531         }
1532
1533         public int compareTo(NameVersion o) {
1534                 if (o.getName().equals(name))
1535                         return version.compareTo(o.getVersion());
1536                 else
1537                         return name.compareTo(o.getName());
1538         }
1539 }