org.argeo.slc.factory/src/org/argeo/slc/factory/A2Factory.java

   1 package org.argeo.slc.factory;
   2
   3 import static java.lang.System.Logger.Level.DEBUG;
   4 import static org.argeo.slc.ManifestConstants.BUNDLE_SYMBOLICNAME;
   5 import static org.argeo.slc.ManifestConstants.BUNDLE_VERSION;
   6 import static org.argeo.slc.ManifestConstants.EXPORT_PACKAGE;
   7 import static org.argeo.slc.ManifestConstants.SLC_ORIGIN_M2;
   8 import static org.argeo.slc.ManifestConstants.SLC_ORIGIN_M2_REPO;
   9
  10 import java.io.FileNotFoundException;
  11 import java.io.IOException;
  12 import java.io.InputStream;
  13 import java.io.OutputStream;
  14 import java.lang.System.Logger;
  15 import java.lang.System.Logger.Level;
  16 import java.net.URL;
  17 import java.nio.file.DirectoryStream;
  18 import java.nio.file.FileSystem;
  19 import java.nio.file.FileSystems;
  20 import java.nio.file.FileVisitResult;
  21 import java.nio.file.Files;
  22 import java.nio.file.Path;
  23 import java.nio.file.PathMatcher;
  24 import java.nio.file.Paths;
  25 import java.nio.file.SimpleFileVisitor;
  26 import java.nio.file.StandardOpenOption;
  27 import java.nio.file.attribute.BasicFileAttributes;
  28 import java.util.ArrayList;
  29 import java.util.HashMap;
  30 import java.util.List;
  31 import java.util.Map;
  32 import java.util.Properties;
  33 import java.util.TreeMap;
  34 import java.util.jar.Attributes;
  35 import java.util.jar.JarEntry;
  36 import java.util.jar.JarInputStream;
  37 import java.util.jar.JarOutputStream;
  38 import java.util.jar.Manifest;
  39 import java.util.zip.Deflater;
  40
  41 import org.argeo.slc.DefaultCategoryNameVersion;
  42 import org.argeo.slc.DefaultNameVersion;
  43 import org.argeo.slc.ManifestConstants;
  44 import org.argeo.slc.NameVersion;
  45 import org.argeo.slc.factory.m2.Artifact;
  46 import org.argeo.slc.factory.m2.DefaultArtifact;
  47 import org.argeo.slc.factory.m2.MavenConventionsUtils;
  48
  49 import aQute.bnd.osgi.Analyzer;
  50 import aQute.bnd.osgi.Jar;
  51
  52 /** The central class for A2 packaging. */
  53 public class A2Factory {
  54         private final static Logger logger = System.getLogger(A2Factory.class.getName());
  55
  56         private final static String COMMON_BND = "common.bnd";
  57         private final static String MERGE_BND = "merge.bnd";
  58
  59         private Path originBase;
  60         private Path a2Base;
  61
  62         /** key is URI prefix, value list of base URLs */
  63         private Map<String, List<String>> mirrors = new HashMap<String, List<String>>();
  64
  65         public A2Factory(Path a2Base) {
  66                 this.originBase = Paths.get(System.getProperty("user.home"), ".cache", "argeo/slc/origin");
  67                 this.a2Base = a2Base;
  68
  69                 // TODO make it configurable
  70                 List<String> eclipseMirrors = new ArrayList<>();
  71                 eclipseMirrors.add("https://archive.eclipse.org/");
  72                 eclipseMirrors.add("http://ftp-stud.hs-esslingen.de/Mirrors/eclipse/");
  73                 eclipseMirrors.add("http://ftp.fau.de/eclipse/");
  74
  75                 mirrors.put("http://www.eclipse.org/downloads", eclipseMirrors);
  76         }
  77
  78         /*
  79          * MAVEN ORIGIN
  80          */
  81
  82         /** Process a whole category/group id. */
  83         public void processCategory(Path targetCategoryBase) {
  84                 try {
  85                         DirectoryStream<Path> bnds = Files.newDirectoryStream(targetCategoryBase,
  86                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
  87                                                         && !p.getFileName().toString().equals(MERGE_BND));
  88                         for (Path p : bnds) {
  89                                 processSingleM2ArtifactDistributionUnit(p);
  90                         }
  91
  92                         DirectoryStream<Path> dus = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p));
  93                         for (Path duDir : dus) {
  94                                 processM2BasedDistributionUnit(duDir);
  95                         }
  96                 } catch (IOException e) {
  97                         throw new RuntimeException("Cannot process category " + targetCategoryBase, e);
  98                 }
  99         }
 100
 101         /** Process a standalone Maven artifact. */
 102         public void processSingleM2ArtifactDistributionUnit(Path bndFile) {
 103                 try {
 104                         String category = bndFile.getParent().getFileName().toString();
 105                         Path targetCategoryBase = a2Base.resolve(category);
 106                         Properties fileProps = new Properties();
 107                         try (InputStream in = Files.newInputStream(bndFile)) {
 108                                 fileProps.load(in);
 109                         }
 110                         String repoStr = fileProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 111                                         ? fileProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 112                                         : null;
 113
 114                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())
 115                                         && !fileProps.containsKey(ManifestConstants.SLC_ORIGIN_MANIFEST_NOT_MODIFIED.toString())) {
 116                                 // use file name as symbolic name
 117                                 String symbolicName = bndFile.getFileName().toString();
 118                                 symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 119                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 120                         }
 121
 122                         String m2Coordinates = fileProps.getProperty(SLC_ORIGIN_M2.toString());
 123                         if (m2Coordinates == null)
 124                                 throw new IllegalArgumentException("No M2 coordinates available for " + bndFile);
 125                         DefaultArtifact artifact = new DefaultArtifact(m2Coordinates);
 126                         URL url = MavenConventionsUtils.mavenRepoUrl(repoStr, artifact);
 127                         Path downloaded = download(url, originBase, artifact);
 128
 129                         Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, fileProps, artifact);
 130
 131                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 132
 133                         createJar(targetBundleDir);
 134                 } catch (Exception e) {
 135                         throw new RuntimeException("Cannot process " + bndFile, e);
 136                 }
 137         }
 138
 139         /** Process multiple Maven artifacts. */
 140         public void processM2BasedDistributionUnit(Path duDir) {
 141                 try {
 142                         String category = duDir.getParent().getFileName().toString();
 143                         Path targetCategoryBase = a2Base.resolve(category);
 144
 145                         // merge
 146                         Path mergeBnd = duDir.resolve(MERGE_BND);
 147                         if (Files.exists(mergeBnd)) {
 148                                 mergeM2Artifacts(mergeBnd);
 149 //                              return;
 150                         }
 151
 152                         Path commonBnd = duDir.resolve(COMMON_BND);
 153                         if (!Files.exists(commonBnd)) {
 154                                 return;
 155                         }
 156                         Properties commonProps = new Properties();
 157                         try (InputStream in = Files.newInputStream(commonBnd)) {
 158                                 commonProps.load(in);
 159                         }
 160
 161                         String m2Version = commonProps.getProperty(SLC_ORIGIN_M2.toString());
 162                         if (m2Version == null) {
 163                                 logger.log(Level.WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 164                                 return;// ignore, this is probably an Eclipse archive
 165                         }
 166                         if (!m2Version.startsWith(":")) {
 167                                 throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 168                         }
 169                         m2Version = m2Version.substring(1);
 170
 171                         DirectoryStream<Path> ds = Files.newDirectoryStream(duDir,
 172                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 173                                                         && !p.getFileName().toString().equals(MERGE_BND));
 174                         for (Path p : ds) {
 175                                 Properties fileProps = new Properties();
 176                                 try (InputStream in = Files.newInputStream(p)) {
 177                                         fileProps.load(in);
 178                                 }
 179                                 String m2Coordinates = fileProps.getProperty(SLC_ORIGIN_M2.toString());
 180                                 DefaultArtifact artifact = new DefaultArtifact(m2Coordinates);
 181
 182                                 // temporary rewrite, for migration
 183 //                              String localLicense = fileProps.getProperty(BUNDLE_LICENSE.toString());
 184 //                              if (localLicense != null || artifact.getVersion() != null) {
 185 //                                      fileProps.remove(BUNDLE_LICENSE.toString());
 186 //                                      fileProps.put(SLC_ORIGIN_M2.toString(), artifact.getGroupId() + ":" + artifact.getArtifactId());
 187 //                                      try (Writer writer = Files.newBufferedWriter(p)) {
 188 //                                              for (Object key : fileProps.keySet()) {
 189 //                                                      String value = fileProps.getProperty(key.toString());
 190 //                                                      writer.write(key + ": " + value + '\n');
 191 //                                              }
 192 //                                              logger.log(DEBUG, () -> "Migrated  " + p);
 193 //                                      }
 194 //                              }
 195
 196                                 artifact.setVersion(m2Version);
 197
 198                                 // prepare manifest entries
 199                                 Properties mergeProps = new Properties();
 200                                 mergeProps.putAll(commonProps);
 201
 202                                 fileEntries: for (Object key : fileProps.keySet()) {
 203                                         if (ManifestConstants.SLC_ORIGIN_M2.toString().equals(key))
 204                                                 continue fileEntries;
 205                                         String value = fileProps.getProperty(key.toString());
 206                                         Object previousValue = mergeProps.put(key.toString(), value);
 207                                         if (previousValue != null) {
 208                                                 logger.log(Level.WARNING,
 209                                                                 commonBnd + ": " + key + " was " + previousValue + ", overridden with " + value);
 210                                         }
 211                                 }
 212                                 mergeProps.put(ManifestConstants.SLC_ORIGIN_M2.toString(), artifact.toM2Coordinates());
 213                                 if (!mergeProps.containsKey(BUNDLE_SYMBOLICNAME.toString())
 214                                                 && !mergeProps.containsKey(ManifestConstants.SLC_ORIGIN_MANIFEST_NOT_MODIFIED.toString())) {
 215                                         // use file name as symbolic name
 216                                         String symbolicName = p.getFileName().toString();
 217                                         symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 218                                         mergeProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 219                                 }
 220
 221                                 String repoStr = mergeProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 222                                                 ? mergeProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 223                                                 : null;
 224
 225                                 // download
 226                                 URL url = MavenConventionsUtils.mavenRepoUrl(repoStr, artifact);
 227                                 Path downloaded = download(url, originBase, artifact);
 228
 229                                 Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, mergeProps, artifact);
 230 //                              logger.log(Level.DEBUG, () -> "Processed " + downloaded);
 231
 232                                 // sources
 233                                 downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 234
 235                                 createJar(targetBundleDir);
 236                         }
 237                 } catch (IOException e) {
 238                         throw new RuntimeException("Cannot process " + duDir, e);
 239                 }
 240
 241         }
 242
 243         /** Merge multiple Maven artifacts. */
 244         protected void mergeM2Artifacts(Path mergeBnd) throws IOException {
 245                 Path duDir = mergeBnd.getParent();
 246                 String category = duDir.getParent().getFileName().toString();
 247                 Path targetCategoryBase = a2Base.resolve(category);
 248
 249                 Properties mergeProps = new Properties();
 250                 try (InputStream in = Files.newInputStream(mergeBnd)) {
 251                         mergeProps.load(in);
 252                 }
 253
 254                 // Version
 255                 String m2Version = mergeProps.getProperty(SLC_ORIGIN_M2.toString());
 256                 if (m2Version == null) {
 257                         logger.log(Level.WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 258                         return;// ignore, this is probably an Eclipse archive
 259                 }
 260                 if (!m2Version.startsWith(":")) {
 261                         throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 262                 }
 263                 m2Version = m2Version.substring(1);
 264                 mergeProps.put(ManifestConstants.BUNDLE_VERSION.toString(), m2Version);
 265
 266                 String artifactsStr = mergeProps.getProperty(ManifestConstants.SLC_ORIGIN_M2_MERGE.toString());
 267                 String repoStr = mergeProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 268                                 ? mergeProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 269                                 : null;
 270
 271                 String bundleSymbolicName = mergeProps.getProperty(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 272                 if (bundleSymbolicName == null)
 273                         throw new IllegalArgumentException("Bundle-SymbolicName must be set in " + mergeBnd);
 274                 DefaultCategoryNameVersion nameVersion = new DefaultArtifact(
 275                                 category + ":" + bundleSymbolicName + ":" + m2Version);
 276                 Path targetBundleDir = targetCategoryBase.resolve(bundleSymbolicName + "." + nameVersion.getBranch());
 277
 278                 String[] artifacts = artifactsStr.split(",");
 279                 artifacts: for (String str : artifacts) {
 280                         String m2Coordinates = str.trim();
 281                         if ("".equals(m2Coordinates))
 282                                 continue artifacts;
 283                         DefaultArtifact artifact = new DefaultArtifact(m2Coordinates.trim());
 284                         if (artifact.getVersion() == null)
 285                                 artifact.setVersion(m2Version);
 286                         URL url = MavenConventionsUtils.mavenRepoUrl(repoStr, artifact);
 287                         Path downloaded = download(url, originBase, artifact);
 288                         JarEntry entry;
 289                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(downloaded), false)) {
 290                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 291                                         if (entry.isDirectory())
 292                                                 continue entries;
 293                                         if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 294                                                 continue entries;
 295                                         if (entry.getName().startsWith("META-INF/versions/"))
 296                                                 continue entries;
 297                                         if (entry.getName().startsWith("META-INF/maven/"))
 298                                                 continue entries;
 299                                         if (entry.getName().equals("module-info.class"))
 300                                                 continue entries;
 301                                         if (entry.getName().equals("META-INF/NOTICE"))
 302                                                 continue entries;
 303                                         if (entry.getName().equals("META-INF/NOTICE.txt"))
 304                                                 continue entries;
 305                                         if (entry.getName().equals("META-INF/LICENSE"))
 306                                                 continue entries;
 307                                         Path target = targetBundleDir.resolve(entry.getName());
 308                                         Files.createDirectories(target.getParent());
 309                                         if (!Files.exists(target)) {
 310                                                 Files.copy(jarIn, target);
 311                                         } else {
 312                                                 if (entry.getName().startsWith("META-INF/services/")) {
 313                                                         try (OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND)) {
 314                                                                 out.write("\n".getBytes());
 315                                                                 jarIn.transferTo(out);
 316                                                                 if (logger.isLoggable(DEBUG))
 317                                                                         logger.log(DEBUG, artifact.getArtifactId() + " - Appended " + entry.getName());
 318                                                         }
 319                                                 } else if (entry.getName().startsWith("org/apache/batik/")) {
 320                                                         logger.log(Level.WARNING, "Skip " + entry.getName());
 321                                                         continue entries;
 322                                                 } else {
 323                                                         throw new IllegalStateException("File " + target + " from " + artifact + " already exists");
 324                                                 }
 325                                         }
 326                                         logger.log(Level.TRACE, () -> "Copied " + target);
 327                                 }
 328
 329                         }
 330                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 331                 }
 332
 333                 // additional service files
 334                 Path servicesDir = duDir.resolve("services");
 335                 if (Files.exists(servicesDir)) {
 336                         for (Path p : Files.newDirectoryStream(servicesDir)) {
 337                                 Path target = targetBundleDir.resolve("META-INF/services/").resolve(p.getFileName());
 338                                 try (InputStream in = Files.newInputStream(p);
 339                                                 OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND);) {
 340                                         out.write("\n".getBytes());
 341                                         in.transferTo(out);
 342                                         if (logger.isLoggable(DEBUG))
 343                                                 logger.log(DEBUG, "Appended " + p);
 344                                 }
 345                         }
 346                 }
 347
 348                 Map<String, String> entries = new TreeMap<>();
 349                 try (Analyzer bndAnalyzer = new Analyzer()) {
 350                         bndAnalyzer.setProperties(mergeProps);
 351                         Jar jar = new Jar(targetBundleDir.toFile());
 352                         bndAnalyzer.setJar(jar);
 353                         Manifest manifest = bndAnalyzer.calcManifest();
 354
 355                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 356                                 Object value = manifest.getMainAttributes().get(key);
 357
 358                                 switch (key.toString()) {
 359                                 case "Tool":
 360                                 case "Bnd-LastModified":
 361                                 case "Created-By":
 362                                         continue keys;
 363                                 }
 364                                 if ("Require-Capability".equals(key.toString())
 365                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 366                                         continue keys;// hack for very old classes
 367                                 entries.put(key.toString(), value.toString());
 368                                 // logger.log(DEBUG, () -> key + "=" + value);
 369
 370                         }
 371                 } catch (Exception e) {
 372                         throw new RuntimeException("Cannot process " + mergeBnd, e);
 373                 }
 374
 375                 Manifest manifest = new Manifest();
 376                 Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 377                 Files.createDirectories(manifestPath.getParent());
 378                 for (String key : entries.keySet()) {
 379                         String value = entries.get(key);
 380                         manifest.getMainAttributes().putValue(key, value);
 381                 }
 382
 383 //              // Use Maven version as Bundle-Version
 384 //              String bundleVersion = manifest.getMainAttributes().getValue(ManifestConstants.BUNDLE_VERSION.toString());
 385 //              if (bundleVersion == null || bundleVersion.trim().equals("0")) {
 386 //                      // TODO check why it is sometimes set to "0"
 387 //                      manifest.getMainAttributes().putValue(ManifestConstants.BUNDLE_VERSION.toString(), m2Version);
 388 //              }
 389                 try (OutputStream out = Files.newOutputStream(manifestPath)) {
 390                         manifest.write(out);
 391                 }
 392
 393                 createJar(targetBundleDir);
 394
 395         }
 396
 397         /** Generate MANIFEST using BND. */
 398         protected Path processBndJar(Path downloaded, Path targetCategoryBase, Properties fileProps,
 399                         DefaultArtifact artifact) {
 400
 401                 try {
 402                         Map<String, String> additionalEntries = new TreeMap<>();
 403                         boolean doNotModify = Boolean.parseBoolean(fileProps
 404                                         .getOrDefault(ManifestConstants.SLC_ORIGIN_MANIFEST_NOT_MODIFIED.toString(), "false").toString());
 405
 406                         // we always force the symbolic name
 407
 408                         if (doNotModify) {
 409                                 fileEntries: for (Object key : fileProps.keySet()) {
 410                                         if (ManifestConstants.SLC_ORIGIN_M2.toString().equals(key))
 411                                                 continue fileEntries;
 412                                         String value = fileProps.getProperty(key.toString());
 413                                         additionalEntries.put(key.toString(), value);
 414                                 }
 415                         } else {
 416                                 if (artifact != null) {
 417                                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 418                                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), artifact.getName());
 419                                         }
 420                                         if (!fileProps.containsKey(BUNDLE_VERSION.toString())) {
 421                                                 fileProps.put(BUNDLE_VERSION.toString(), artifact.getVersion());
 422                                         }
 423                                 }
 424
 425                                 if (!fileProps.containsKey(EXPORT_PACKAGE.toString())) {
 426                                         fileProps.put(EXPORT_PACKAGE.toString(),
 427                                                         "*;version=\"" + fileProps.getProperty(BUNDLE_VERSION.toString()) + "\"");
 428                                 }
 429 //                              if (!fileProps.contains(IMPORT_PACKAGE.toString())) {
 430 //                                      fileProps.put(IMPORT_PACKAGE.toString(), "*");
 431 //                              }
 432
 433                                 try (Analyzer bndAnalyzer = new Analyzer()) {
 434                                         bndAnalyzer.setProperties(fileProps);
 435                                         Jar jar = new Jar(downloaded.toFile());
 436                                         bndAnalyzer.setJar(jar);
 437                                         Manifest manifest = bndAnalyzer.calcManifest();
 438
 439                                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 440                                                 Object value = manifest.getMainAttributes().get(key);
 441
 442                                                 switch (key.toString()) {
 443                                                 case "Tool":
 444                                                 case "Bnd-LastModified":
 445                                                 case "Created-By":
 446                                                         continue keys;
 447                                                 }
 448                                                 if ("Require-Capability".equals(key.toString())
 449                                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 450                                                         continue keys;// hack for very old classes
 451                                                 additionalEntries.put(key.toString(), value.toString());
 452                                                 // logger.log(DEBUG, () -> key + "=" + value);
 453
 454                                         }
 455                                 }
 456
 457 //                              try (Builder bndBuilder = new Builder()) {
 458 //                                      Jar jar = new Jar(downloaded.toFile());
 459 //                                      bndBuilder.addClasspath(jar);
 460 //                                      Path targetBundleDir = targetCategoryBase.resolve(artifact.getName() + "." + artifact.getBranch());
 461 //
 462 //                                      Jar target = new Jar(targetBundleDir.toFile());
 463 //                                      bndBuilder.setJar(target);
 464 //                                      return targetBundleDir;
 465 //                              }
 466                         }
 467                         Path targetBundleDir = processBundleJar(downloaded, targetCategoryBase, additionalEntries);
 468                         logger.log(Level.DEBUG, () -> "Processed " + downloaded);
 469                         return targetBundleDir;
 470                 } catch (Exception e) {
 471                         throw new RuntimeException("Cannot BND process " + downloaded, e);
 472                 }
 473
 474         }
 475
 476         /** Download and integrates sources for a single Maven artifact. */
 477         protected void downloadAndProcessM2Sources(String repoStr, DefaultArtifact artifact, Path targetBundleDir)
 478                         throws IOException {
 479                 DefaultArtifact sourcesArtifact = new DefaultArtifact(artifact.toM2Coordinates(), "sources");
 480                 URL sourcesUrl = MavenConventionsUtils.mavenRepoUrl(repoStr, sourcesArtifact);
 481                 Path sourcesDownloaded = download(sourcesUrl, originBase, artifact, true);
 482                 processM2SourceJar(sourcesDownloaded, targetBundleDir);
 483                 logger.log(Level.TRACE, () -> "Processed source " + sourcesDownloaded);
 484
 485         }
 486
 487         /** Integrate sources from a downloaded jar file. */
 488         protected void processM2SourceJar(Path file, Path targetBundleDir) throws IOException {
 489                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 490                         Path targetSourceDir = targetBundleDir.resolve("OSGI-OPT/src");
 491
 492                         // TODO make it less dangerous?
 493                         if (Files.exists(targetSourceDir)) {
 494 //                              deleteDirectory(targetSourceDir);
 495                         } else {
 496                                 Files.createDirectories(targetSourceDir);
 497                         }
 498
 499                         // copy entries
 500                         JarEntry entry;
 501                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 502                                 if (entry.isDirectory())
 503                                         continue entries;
 504                                 if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 505                                         continue entries;
 506                                 if (entry.getName().startsWith("module-info.java"))// skip META-INF entries
 507                                         continue entries;
 508                                 if (entry.getName().startsWith("/")) // absolute paths
 509                                         continue entries;
 510                                 Path target = targetSourceDir.resolve(entry.getName());
 511                                 Files.createDirectories(target.getParent());
 512                                 if (!Files.exists(target)) {
 513                                         Files.copy(jarIn, target);
 514                                         logger.log(Level.TRACE, () -> "Copied source " + target);
 515                                 } else {
 516                                         logger.log(Level.WARNING, () -> target + " already exists, skipping...");
 517                                 }
 518                         }
 519                 }
 520
 521         }
 522
 523         /** Download a Maven artifact. */
 524         protected Path download(URL url, Path dir, Artifact artifact) throws IOException {
 525                 return download(url, dir, artifact, false);
 526         }
 527
 528         /** Download a Maven artifact. */
 529         protected Path download(URL url, Path dir, Artifact artifact, boolean sources) throws IOException {
 530                 return download(url, dir, artifact.getGroupId() + '/' + artifact.getArtifactId() + "-" + artifact.getVersion()
 531                                 + (sources ? "-sources" : "") + ".jar");
 532         }
 533
 534         /*
 535          * ECLIPSE ORIGIN
 536          */
 537
 538         /** Process an archive in Eclipse format. */
 539         public void processEclipseArchive(Path duDir) {
 540                 try {
 541                         String category = duDir.getParent().getFileName().toString();
 542                         Path targetCategoryBase = a2Base.resolve(category);
 543                         Files.createDirectories(targetCategoryBase);
 544                         // first delete all directories from previous builds
 545                         for (Path dir : Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p))) {
 546                                 deleteDirectory(dir);
 547                         }
 548
 549                         Files.createDirectories(originBase);
 550
 551                         Path commonBnd = duDir.resolve(COMMON_BND);
 552                         Properties commonProps = new Properties();
 553                         try (InputStream in = Files.newInputStream(commonBnd)) {
 554                                 commonProps.load(in);
 555                         }
 556                         String url = commonProps.getProperty(ManifestConstants.SLC_ORIGIN_URI.toString());
 557                         Path downloaded = tryDownload(url, originBase);
 558
 559                         FileSystem zipFs = FileSystems.newFileSystem(downloaded, (ClassLoader) null);
 560
 561                         // filters
 562                         List<PathMatcher> includeMatchers = new ArrayList<>();
 563                         Properties includes = new Properties();
 564                         try (InputStream in = Files.newInputStream(duDir.resolve("includes.properties"))) {
 565                                 includes.load(in);
 566                         }
 567                         for (Object pattern : includes.keySet()) {
 568                                 PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 569                                 includeMatchers.add(pathMatcher);
 570                         }
 571
 572                         List<PathMatcher> excludeMatchers = new ArrayList<>();
 573                         Path excludeFile = duDir.resolve("excludes.properties");
 574                         if (Files.exists(excludeFile)) {
 575                                 Properties excludes = new Properties();
 576                                 try (InputStream in = Files.newInputStream(excludeFile)) {
 577                                         excludes.load(in);
 578                                 }
 579                                 for (Object pattern : excludes.keySet()) {
 580                                         PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 581                                         excludeMatchers.add(pathMatcher);
 582                                 }
 583                         }
 584
 585                         Files.walkFileTree(zipFs.getRootDirectories().iterator().next(), new SimpleFileVisitor<Path>() {
 586
 587                                 @Override
 588                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 589                                         includeMatchers: for (PathMatcher includeMatcher : includeMatchers) {
 590                                                 if (includeMatcher.matches(file)) {
 591                                                         for (PathMatcher excludeMatcher : excludeMatchers) {
 592                                                                 if (excludeMatcher.matches(file)) {
 593                                                                         logger.log(Level.WARNING, "Skipping excluded " + file);
 594                                                                         return FileVisitResult.CONTINUE;
 595                                                                 }
 596                                                         }
 597                                                         if (file.getFileName().toString().contains(".source_")) {
 598                                                                 processEclipseSourceJar(file, targetCategoryBase);
 599                                                                 logger.log(Level.DEBUG, () -> "Processed source " + file);
 600
 601                                                         } else {
 602                                                                 processBundleJar(file, targetCategoryBase, new HashMap<>());
 603                                                                 logger.log(Level.DEBUG, () -> "Processed " + file);
 604                                                         }
 605                                                         break includeMatchers;
 606                                                 }
 607                                         }
 608                                         return FileVisitResult.CONTINUE;
 609                                 }
 610                         });
 611
 612                         DirectoryStream<Path> dirs = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p));
 613                         for (Path dir : dirs) {
 614                                 createJar(dir);
 615                         }
 616                 } catch (IOException e) {
 617                         throw new RuntimeException("Cannot process " + duDir, e);
 618                 }
 619
 620         }
 621
 622         /** Process sources in Eclipse format. */
 623         protected void processEclipseSourceJar(Path file, Path targetBase) throws IOException {
 624                 try {
 625                         Path targetBundleDir;
 626                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 627                                 Manifest manifest = jarIn.getManifest();
 628
 629                                 String[] relatedBundle = manifest.getMainAttributes().getValue("Eclipse-SourceBundle").split(";");
 630                                 String version = relatedBundle[1].substring("version=\"".length());
 631                                 version = version.substring(0, version.length() - 1);
 632                                 NameVersion nameVersion = new DefaultNameVersion(relatedBundle[0], version);
 633                                 targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 634
 635                                 Path targetSourceDir = targetBundleDir.resolve("OSGI-OPT/src");
 636
 637                                 // TODO make it less dangerous?
 638                                 if (Files.exists(targetSourceDir)) {
 639 //                              deleteDirectory(targetSourceDir);
 640                                 } else {
 641                                         Files.createDirectories(targetSourceDir);
 642                                 }
 643
 644                                 // copy entries
 645                                 JarEntry entry;
 646                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 647                                         if (entry.isDirectory())
 648                                                 continue entries;
 649                                         if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 650                                                 continue entries;
 651                                         Path target = targetSourceDir.resolve(entry.getName());
 652                                         Files.createDirectories(target.getParent());
 653                                         Files.copy(jarIn, target);
 654                                         logger.log(Level.TRACE, () -> "Copied source " + target);
 655                                 }
 656
 657                                 // copy MANIFEST
 658 //                      Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 659 //                      Files.createDirectories(manifestPath.getParent());
 660 //                      try (OutputStream out = Files.newOutputStream(manifestPath)) {
 661 //                              manifest.write(out);
 662 //                      }
 663                         }
 664                 } catch (IOException e) {
 665                         throw new IllegalStateException("Cannot process " + file, e);
 666                 }
 667
 668         }
 669
 670         /*
 671          * COMMON PROCESSING
 672          */
 673         /** Normalise a bundle. */
 674         protected Path processBundleJar(Path file, Path targetBase, Map<String, String> entries) throws IOException {
 675                 DefaultNameVersion nameVersion;
 676                 Path targetBundleDir;
 677                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 678                         Manifest sourceManifest = jarIn.getManifest();
 679                         Manifest manifest = sourceManifest != null ? new Manifest(sourceManifest) : new Manifest();
 680
 681                         // remove problematic entries in MANIFEST
 682                         manifest.getEntries().clear();
 683 //                      Set<String> entriesToDelete = new HashSet<>();
 684 //                      for (String key : manifest.getEntries().keySet()) {
 685 ////                            logger.log(DEBUG, "## " + key);
 686 //                              Attributes attrs = manifest.getAttributes(key);
 687 //                              for (Object attrName : attrs.keySet()) {
 688 ////                                    logger.log(DEBUG, attrName + "=" + attrs.get(attrName));
 689 //                                      if ("Specification-Version".equals(attrName.toString())
 690 //                                                      || "Implementation-Version".equals(attrName.toString())) {
 691 //                                              entriesToDelete.add(key);
 692 //
 693 //                                      }
 694 //                              }
 695 //                      }
 696 //                      for (String key : entriesToDelete) {
 697 //                              manifest.getEntries().remove(key);
 698 //                      }
 699
 700                         String symbolicNameFromEntries = entries.get(BUNDLE_SYMBOLICNAME.toString());
 701                         String versionFromEntries = entries.get(BUNDLE_VERSION.toString());
 702
 703                         if (symbolicNameFromEntries != null && versionFromEntries != null) {
 704                                 nameVersion = new DefaultNameVersion(symbolicNameFromEntries, versionFromEntries);
 705                         } else {
 706                                 nameVersion = nameVersionFromManifest(manifest);
 707                                 if (versionFromEntries != null && !nameVersion.getVersion().equals(versionFromEntries)) {
 708                                         logger.log(Level.WARNING, "Original version is " + nameVersion.getVersion()
 709                                                         + " while new version is " + versionFromEntries);
 710                                 }
 711                                 if (symbolicNameFromEntries != null) {
 712                                         // we always force our symbolic name
 713                                         nameVersion.setName(symbolicNameFromEntries);
 714                                 }
 715                         }
 716                         targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 717
 718                         // TODO make it less dangerous?
 719 //                      if (Files.exists(targetBundleDir)) {
 720 //                              deleteDirectory(targetBundleDir);
 721 //                      }
 722
 723                         // copy entries
 724                         JarEntry entry;
 725                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 726                                 if (entry.isDirectory())
 727                                         continue entries;
 728                                 if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 729                                         continue entries;
 730                                 Path target = targetBundleDir.resolve(entry.getName());
 731                                 Files.createDirectories(target.getParent());
 732                                 Files.copy(jarIn, target);
 733                                 logger.log(Level.TRACE, () -> "Copied " + target);
 734                         }
 735
 736                         // copy MANIFEST
 737                         Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 738                         Files.createDirectories(manifestPath.getParent());
 739                         for (String key : entries.keySet()) {
 740                                 String value = entries.get(key);
 741                                 Object previousValue = manifest.getMainAttributes().putValue(key, value);
 742                                 if (previousValue != null && !previousValue.equals(value)) {
 743                                         if (ManifestConstants.IMPORT_PACKAGE.toString().equals(key)
 744                                                         || ManifestConstants.EXPORT_PACKAGE.toString().equals(key))
 745                                                 logger.log(Level.WARNING, file.getFileName() + ": " + key + " was modified");
 746
 747                                         else
 748                                                 logger.log(Level.WARNING, file.getFileName() + ": " + key + " was " + previousValue
 749                                                                 + ", overridden with " + value);
 750                                 }
 751                         }
 752                         try (OutputStream out = Files.newOutputStream(manifestPath)) {
 753                                 manifest.write(out);
 754                         }
 755                 }
 756                 return targetBundleDir;
 757         }
 758
 759         /*
 760          * UTILITIES
 761          */
 762
 763         /** Recursively deletes a directory. */
 764         private static void deleteDirectory(Path path) throws IOException {
 765                 if (!Files.exists(path))
 766                         return;
 767                 Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
 768                         @Override
 769                         public FileVisitResult postVisitDirectory(Path directory, IOException e) throws IOException {
 770                                 if (e != null)
 771                                         throw e;
 772                                 Files.delete(directory);
 773                                 return FileVisitResult.CONTINUE;
 774                         }
 775
 776                         @Override
 777                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 778                                 Files.delete(file);
 779                                 return FileVisitResult.CONTINUE;
 780                         }
 781                 });
 782         }
 783
 784         /** Extract name/version from a MANIFEST. */
 785         protected DefaultNameVersion nameVersionFromManifest(Manifest manifest) {
 786                 Attributes attrs = manifest.getMainAttributes();
 787                 // symbolic name
 788                 String symbolicName = attrs.getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 789                 if (symbolicName == null)
 790                         return null;
 791                 // make sure there is no directive
 792                 symbolicName = symbolicName.split(";")[0];
 793
 794                 String version = attrs.getValue(ManifestConstants.BUNDLE_VERSION.toString());
 795                 return new DefaultNameVersion(symbolicName, version);
 796         }
 797
 798         /** Try to download from an URI. */
 799         protected Path tryDownload(String uri, Path dir) throws IOException {
 800                 // find mirror
 801                 List<String> urlBases = null;
 802                 String uriPrefix = null;
 803                 uriPrefixes: for (String uriPref : mirrors.keySet()) {
 804                         if (uri.startsWith(uriPref)) {
 805                                 if (mirrors.get(uriPref).size() > 0) {
 806                                         urlBases = mirrors.get(uriPref);
 807                                         uriPrefix = uriPref;
 808                                         break uriPrefixes;
 809                                 }
 810                         }
 811                 }
 812                 if (urlBases == null)
 813                         try {
 814                                 return download(new URL(uri), dir);
 815                         } catch (FileNotFoundException e) {
 816                                 throw new FileNotFoundException("Cannot find " + uri);
 817                         }
 818
 819                 // try to download
 820                 for (String urlBase : urlBases) {
 821                         String relativePath = uri.substring(uriPrefix.length());
 822                         URL url = new URL(urlBase + relativePath);
 823                         try {
 824                                 return download(url, dir);
 825                         } catch (FileNotFoundException e) {
 826                                 logger.log(Level.WARNING, "Cannot download " + url + ", trying another mirror");
 827                         }
 828                 }
 829                 throw new FileNotFoundException("Cannot find " + uri);
 830         }
 831
 832 //      protected String simplifyName(URL u) {
 833 //      String  name = u.getPath().substring(u.getPath().lastIndexOf('/') + 1);
 834 //
 835 //      }
 836
 837         /** Effectively download. */
 838         protected Path download(URL url, Path dir) throws IOException {
 839                 return download(url, dir, (String) null);
 840         }
 841
 842         /** Effectively download. */
 843         protected Path download(URL url, Path dir, String name) throws IOException {
 844
 845                 Path dest;
 846                 if (name == null) {
 847                         name = url.getPath().substring(url.getPath().lastIndexOf('/') + 1);
 848                 }
 849
 850                 dest = dir.resolve(name);
 851                 if (Files.exists(dest)) {
 852                         logger.log(Level.TRACE, () -> "File " + dest + " already exists for " + url + ", not downloading again");
 853                         return dest;
 854                 } else {
 855                         Files.createDirectories(dest.getParent());
 856                 }
 857
 858                 try (InputStream in = url.openStream()) {
 859                         Files.copy(in, dest);
 860                         logger.log(Level.DEBUG, () -> "Downloaded " + dest + " from " + url);
 861                 }
 862                 return dest;
 863         }
 864
 865         /** Create a JAR file from a directory. */
 866         protected Path createJar(Path bundleDir) throws IOException {
 867                 // Remove from source the resources already in the jar file
 868 //              Path srcDir = bundleDir.resolve("OSGI-OPT/src");
 869 //              Files.walkFileTree(srcDir, new SimpleFileVisitor<Path>() {
 870 //
 871 //                      @Override
 872 //                      public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 873 //                              // always keep .java file
 874 //                              if (file.getFileName().toString().endsWith(".java"))
 875 //                                      return super.visitFile(file, attrs);
 876 //
 877 //                              Path relPath = srcDir.relativize(file);
 878 //                              Path bundlePath = bundleDir.resolve(relPath);
 879 //                              if (Files.exists(bundlePath)) {
 880 //                                      Files.delete(file);
 881 //                                      logger.log(DEBUG, () -> "Removed " + file + " from sources.");
 882 //                              }
 883 //                              return super.visitFile(file, attrs);
 884 //                      }
 885 //
 886 //              });
 887
 888                 // Create the jar
 889                 Path jarPath = bundleDir.getParent().resolve(bundleDir.getFileName() + ".jar");
 890                 Path manifestPath = bundleDir.resolve("META-INF/MANIFEST.MF");
 891                 Manifest manifest;
 892                 try (InputStream in = Files.newInputStream(manifestPath)) {
 893                         manifest = new Manifest(in);
 894                 }
 895                 try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarPath), manifest)) {
 896                         jarOut.setLevel(Deflater.DEFAULT_COMPRESSION);
 897                         Files.walkFileTree(bundleDir, new SimpleFileVisitor<Path>() {
 898
 899                                 @Override
 900                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 901                                         if (file.getFileName().toString().equals("MANIFEST.MF"))
 902                                                 return super.visitFile(file, attrs);
 903                                         JarEntry entry = new JarEntry(bundleDir.relativize(file).toString());
 904                                         jarOut.putNextEntry(entry);
 905                                         Files.copy(file, jarOut);
 906                                         return super.visitFile(file, attrs);
 907                                 }
 908
 909                         });
 910                 }
 911                 deleteDirectory(bundleDir);
 912                 return jarPath;
 913         }
 914
 915         /** For development purproses. */
 916         public static void main(String[] args) {
 917                 Path factoryBase = Paths.get("../../output/a2").toAbsolutePath().normalize();
 918                 A2Factory factory = new A2Factory(factoryBase);
 919
 920                 Path descriptorsBase = Paths.get("../tp").toAbsolutePath().normalize();
 921
 922 //              factory.processSingleM2ArtifactDistributionUnit(descriptorsBase.resolve("org.argeo.tp.apache").resolve("org.apache.xml.resolver.bnd"));
 923                 factory.processM2BasedDistributionUnit(descriptorsBase.resolve("org.argeo.tp.apache/apache-sshd"));
 924 //              factory.processM2BasedDistributionUnit(descriptorsBase.resolve("org.argeo.tp.jetty/jetty"));
 925 //              factory.processCategory(descriptorsBase.resolve("org.argeo.tp.jetty.websocket"));
 926 //              factory.processCategory(descriptorsBase.resolve("org.argeo.tp.eclipse.rcp"));
 927 //              factory.processCategory(descriptorsBase.resolve("org.argeo.tp"));
 928 //              factory.processCategory(descriptorsBase.resolve("org.argeo.tp.apache"));
 929 //              factory.processCategory(descriptorsBase.resolve("org.argeo.tp.formats"));
 930 //              factory.processCategory(descriptorsBase.resolve("org.argeo.tp.gis"));
 931                 System.exit(0);
 932
 933                 // Eclipse
 934                 factory.processEclipseArchive(
 935                                 descriptorsBase.resolve("org.argeo.tp.eclipse.equinox").resolve("eclipse-equinox"));
 936                 factory.processEclipseArchive(descriptorsBase.resolve("org.argeo.tp.eclipse.rwt").resolve("eclipse-rwt"));
 937                 factory.processEclipseArchive(descriptorsBase.resolve("org.argeo.tp.eclipse.rap").resolve("eclipse-rap"));
 938                 factory.processEclipseArchive(descriptorsBase.resolve("org.argeo.tp.eclipse.swt").resolve("eclipse-swt"));
 939                 factory.processEclipseArchive(descriptorsBase.resolve("org.argeo.tp.eclipse.swt").resolve("eclipse-nebula"));
 940                 factory.processEclipseArchive(descriptorsBase.resolve("org.argeo.tp.eclipse.swt").resolve("eclipse-equinox"));
 941                 factory.processEclipseArchive(descriptorsBase.resolve("org.argeo.tp.eclipse.rcp").resolve("eclipse-rcp"));
 942                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.eclipse.rcp"));
 943
 944                 // Maven
 945                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.sdk"));
 946                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp"));
 947                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.apache"));
 948                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.jetty"));
 949                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.jcr"));
 950                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.formats"));
 951                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.poi"));
 952                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.gis"));
 953         }
 954 }