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