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                                         if (entry.getName().equals("module-info.class"))
 280                                                 continue entries;
 281                                         Path target = targetBundleDir.resolve(entry.getName());
 282                                         Files.createDirectories(target.getParent());
 283                                         if (!Files.exists(target)) {
 284                                                 Files.copy(jarIn, target);
 285                                         } else {
 286                                                 if (entry.getName().startsWith("META-INF/services/")) {
 287                                                         try (OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND)) {
 288                                                                 out.write("\n".getBytes());
 289                                                                 jarIn.transferTo(out);
 290                                                                 if (logger.isLoggable(DEBUG))
 291                                                                         logger.log(DEBUG,"Appended " + entry.getName());
 292                                                         }
 293                                                 } else {
 294                                                         throw new IllegalStateException("File " + target + " already exists");
 295                                                 }
 296                                         }
 297                                         logger.log(Level.TRACE, () -> "Copied " + target);
 298                                 }
 299
 300                         }
 301                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 302                 }
 303
 304                 Map<String, String> entries = new TreeMap<>();
 305                 try (Analyzer bndAnalyzer = new Analyzer()) {
 306                         bndAnalyzer.setProperties(mergeProps);
 307                         Jar jar = new Jar(targetBundleDir.toFile());
 308                         bndAnalyzer.setJar(jar);
 309                         Manifest manifest = bndAnalyzer.calcManifest();
 310
 311                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 312                                 Object value = manifest.getMainAttributes().get(key);
 313
 314                                 switch (key.toString()) {
 315                                 case "Tool":
 316                                 case "Bnd-LastModified":
 317                                 case "Created-By":
 318                                         continue keys;
 319                                 }
 320                                 if ("Require-Capability".equals(key.toString())
 321                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 322                                         continue keys;// hack for very old classes
 323                                 entries.put(key.toString(), value.toString());
 324                                 logger.log(DEBUG, () -> key + "=" + value);
 325
 326                         }
 327                 } catch (Exception e) {
 328                         throw new RuntimeException("Cannot process " + mergeBnd, e);
 329                 }
 330
 331                 Manifest manifest = new Manifest();
 332                 Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 333                 Files.createDirectories(manifestPath.getParent());
 334                 for (String key : entries.keySet()) {
 335                         String value = entries.get(key);
 336                         manifest.getMainAttributes().putValue(key, value);
 337                 }
 338                 try (OutputStream out = Files.newOutputStream(manifestPath)) {
 339                         manifest.write(out);
 340                 }
 341
 342                 createJar(targetBundleDir);
 343
 344         }
 345
 346         protected void downloadAndProcessM2Sources(String repoStr, DefaultArtifact artifact, Path targetBundleDir)
 347                         throws IOException {
 348                 DefaultArtifact sourcesArtifact = new DefaultArtifact(artifact.toM2Coordinates(), "sources");
 349                 URL sourcesUrl = MavenConventionsUtils.mavenRepoUrl(repoStr, sourcesArtifact);
 350                 Path sourcesDownloaded = download(sourcesUrl, originBase, artifact.toM2Coordinates() + ".sources.jar");
 351                 processM2SourceJar(sourcesDownloaded, targetBundleDir);
 352                 logger.log(Level.DEBUG, () -> "Processed source " + sourcesDownloaded);
 353
 354         }
 355
 356         protected Path processBndJar(Path downloaded, Path targetCategoryBase, Properties fileProps,
 357                         DefaultArtifact artifact) {
 358
 359                 try {
 360                         Map<String, String> additionalEntries = new TreeMap<>();
 361                         boolean doNotModify = Boolean.parseBoolean(fileProps
 362                                         .getOrDefault(ManifestConstants.SLC_ORIGIN_MANIFEST_NOT_MODIFIED.toString(), "false").toString());
 363
 364                         // we always force the symbolic name
 365
 366                         if (doNotModify) {
 367                                 fileEntries: for (Object key : fileProps.keySet()) {
 368                                         if (ManifestConstants.SLC_ORIGIN_M2.toString().equals(key))
 369                                                 continue fileEntries;
 370                                         String value = fileProps.getProperty(key.toString());
 371                                         additionalEntries.put(key.toString(), value);
 372                                 }
 373                         } else {
 374                                 if (artifact != null) {
 375                                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 376                                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), artifact.getName());
 377                                         }
 378                                         if (!fileProps.containsKey(BUNDLE_VERSION.toString())) {
 379                                                 fileProps.put(BUNDLE_VERSION.toString(), artifact.getVersion());
 380                                         }
 381                                 }
 382
 383                                 if (!fileProps.containsKey(EXPORT_PACKAGE.toString())) {
 384                                         fileProps.put(EXPORT_PACKAGE.toString(),
 385                                                         "*;version=\"" + fileProps.getProperty(BUNDLE_VERSION.toString()) + "\"");
 386                                 }
 387 //                              if (!fileProps.contains(IMPORT_PACKAGE.toString())) {
 388 //                                      fileProps.put(IMPORT_PACKAGE.toString(), "*");
 389 //                              }
 390
 391                                 try (Analyzer bndAnalyzer = new Analyzer()) {
 392                                         bndAnalyzer.setProperties(fileProps);
 393                                         Jar jar = new Jar(downloaded.toFile());
 394                                         bndAnalyzer.setJar(jar);
 395                                         Manifest manifest = bndAnalyzer.calcManifest();
 396
 397                                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 398                                                 Object value = manifest.getMainAttributes().get(key);
 399
 400                                                 switch (key.toString()) {
 401                                                 case "Tool":
 402                                                 case "Bnd-LastModified":
 403                                                 case "Created-By":
 404                                                         continue keys;
 405                                                 }
 406                                                 if ("Require-Capability".equals(key.toString())
 407                                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 408                                                         continue keys;// hack for very old classes
 409                                                 additionalEntries.put(key.toString(), value.toString());
 410                                                 logger.log(DEBUG, () -> key + "=" + value);
 411
 412                                         }
 413                                 }
 414
 415 //                              try (Builder bndBuilder = new Builder()) {
 416 //                                      Jar jar = new Jar(downloaded.toFile());
 417 //                                      bndBuilder.addClasspath(jar);
 418 //                                      Path targetBundleDir = targetCategoryBase.resolve(artifact.getName() + "." + artifact.getBranch());
 419 //
 420 //                                      Jar target = new Jar(targetBundleDir.toFile());
 421 //                                      bndBuilder.setJar(target);
 422 //                                      return targetBundleDir;
 423 //                              }
 424                         }
 425                         Path targetBundleDir = processBundleJar(downloaded, targetCategoryBase, additionalEntries);
 426                         logger.log(Level.DEBUG, () -> "Processed " + downloaded);
 427                         return targetBundleDir;
 428                 } catch (Exception e) {
 429                         throw new RuntimeException("Cannot BND process " + downloaded, e);
 430                 }
 431
 432         }
 433
 434         protected void processM2SourceJar(Path file, Path targetBundleDir) throws IOException {
 435                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 436                         Path targetSourceDir = targetBundleDir.resolve("OSGI-OPT/src");
 437
 438                         // TODO make it less dangerous?
 439                         if (Files.exists(targetSourceDir)) {
 440 //                              deleteDirectory(targetSourceDir);
 441                         } else {
 442                                 Files.createDirectories(targetSourceDir);
 443                         }
 444
 445                         // copy entries
 446                         JarEntry entry;
 447                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 448                                 if (entry.isDirectory())
 449                                         continue entries;
 450                                 if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 451                                         continue entries;
 452                                 if (entry.getName().startsWith("module-info.java"))// skip META-INF entries
 453                                         continue entries;
 454                                 Path target = targetSourceDir.resolve(entry.getName());
 455                                 Files.createDirectories(target.getParent());
 456                                 Files.copy(jarIn, target);
 457                                 logger.log(Level.TRACE, () -> "Copied source " + target);
 458                         }
 459                 }
 460
 461         }
 462
 463         public void processEclipseArchive(Path duDir) {
 464                 try {
 465                         String category = duDir.getParent().getFileName().toString();
 466                         Path targetCategoryBase = a2Base.resolve(category);
 467                         Files.createDirectories(targetCategoryBase);
 468                         // first delete all directories from previous builds
 469                         for (Path dir : Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p))) {
 470                                 deleteDirectory(dir);
 471                         }
 472
 473                         Files.createDirectories(originBase);
 474
 475                         Path commonBnd = duDir.resolve(COMMON_BND);
 476                         Properties commonProps = new Properties();
 477                         try (InputStream in = Files.newInputStream(commonBnd)) {
 478                                 commonProps.load(in);
 479                         }
 480                         Properties includes = new Properties();
 481                         try (InputStream in = Files.newInputStream(duDir.resolve("includes.properties"))) {
 482                                 includes.load(in);
 483                         }
 484                         String url = commonProps.getProperty(ManifestConstants.SLC_ORIGIN_URI.toString());
 485                         Path downloaded = tryDownload(url, originBase);
 486
 487                         FileSystem zipFs = FileSystems.newFileSystem(downloaded, (ClassLoader) null);
 488
 489                         List<PathMatcher> pathMatchers = new ArrayList<>();
 490                         for (Object pattern : includes.keySet()) {
 491                                 PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 492                                 pathMatchers.add(pathMatcher);
 493                         }
 494
 495                         Files.walkFileTree(zipFs.getRootDirectories().iterator().next(), new SimpleFileVisitor<Path>() {
 496
 497                                 @Override
 498                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 499                                         pathMatchers: for (PathMatcher pathMatcher : pathMatchers) {
 500                                                 if (pathMatcher.matches(file)) {
 501                                                         if (file.getFileName().toString().contains(".source_")) {
 502                                                                 processEclipseSourceJar(file, targetCategoryBase);
 503                                                                 logger.log(Level.DEBUG, () -> "Processed source " + file);
 504
 505                                                         } else {
 506                                                                 processBundleJar(file, targetCategoryBase, new HashMap<>());
 507                                                                 logger.log(Level.DEBUG, () -> "Processed " + file);
 508                                                         }
 509                                                         break pathMatchers;
 510                                                 }
 511                                         }
 512                                         return FileVisitResult.CONTINUE;
 513                                 }
 514                         });
 515
 516                         DirectoryStream<Path> dirs = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p));
 517                         for (Path dir : dirs) {
 518                                 createJar(dir);
 519                         }
 520                 } catch (IOException e) {
 521                         throw new RuntimeException("Cannot process " + duDir, e);
 522                 }
 523
 524         }
 525
 526         protected Path processBundleJar(Path file, Path targetBase, Map<String, String> entries) throws IOException {
 527                 DefaultNameVersion nameVersion;
 528                 Path targetBundleDir;
 529                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 530                         Manifest manifest = new Manifest(jarIn.getManifest());
 531
 532                         // remove problematic entries in MANIFEST
 533                         manifest.getEntries().clear();
 534 //                      Set<String> entriesToDelete = new HashSet<>();
 535 //                      for (String key : manifest.getEntries().keySet()) {
 536 ////                            logger.log(DEBUG, "## " + key);
 537 //                              Attributes attrs = manifest.getAttributes(key);
 538 //                              for (Object attrName : attrs.keySet()) {
 539 ////                                    logger.log(DEBUG, attrName + "=" + attrs.get(attrName));
 540 //                                      if ("Specification-Version".equals(attrName.toString())
 541 //                                                      || "Implementation-Version".equals(attrName.toString())) {
 542 //                                              entriesToDelete.add(key);
 543 //
 544 //                                      }
 545 //                              }
 546 //                      }
 547 //                      for (String key : entriesToDelete) {
 548 //                              manifest.getEntries().remove(key);
 549 //                      }
 550
 551                         String symbolicNameFromEntries = entries.get(BUNDLE_SYMBOLICNAME.toString());
 552                         String versionFromEntries = entries.get(BUNDLE_VERSION.toString());
 553
 554                         if (symbolicNameFromEntries != null && versionFromEntries != null) {
 555                                 nameVersion = new DefaultNameVersion(symbolicNameFromEntries, versionFromEntries);
 556                         } else {
 557                                 nameVersion = nameVersionFromManifest(manifest);
 558                                 if (versionFromEntries != null && !nameVersion.getVersion().equals(versionFromEntries)) {
 559                                         logger.log(Level.WARNING, "Original version is " + nameVersion.getVersion()
 560                                                         + " while new version is " + versionFromEntries);
 561                                 }
 562                                 if (symbolicNameFromEntries != null) {
 563                                         // we always force our symbolic name
 564                                         nameVersion.setName(symbolicNameFromEntries);
 565                                 }
 566                         }
 567                         targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 568
 569                         // TODO make it less dangerous?
 570 //                      if (Files.exists(targetBundleDir)) {
 571 //                              deleteDirectory(targetBundleDir);
 572 //                      }
 573
 574                         // copy entries
 575                         JarEntry entry;
 576                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 577                                 if (entry.isDirectory())
 578                                         continue entries;
 579                                 if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 580                                         continue entries;
 581                                 Path target = targetBundleDir.resolve(entry.getName());
 582                                 Files.createDirectories(target.getParent());
 583                                 Files.copy(jarIn, target);
 584                                 logger.log(Level.TRACE, () -> "Copied " + target);
 585                         }
 586
 587                         // copy MANIFEST
 588                         Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 589                         Files.createDirectories(manifestPath.getParent());
 590                         for (String key : entries.keySet()) {
 591                                 String value = entries.get(key);
 592                                 Object previousValue = manifest.getMainAttributes().putValue(key, value);
 593                                 if (previousValue != null && !previousValue.equals(value)) {
 594                                         if (ManifestConstants.IMPORT_PACKAGE.toString().equals(key)
 595                                                         || ManifestConstants.EXPORT_PACKAGE.toString().equals(key))
 596                                                 logger.log(Level.WARNING, file.getFileName() + ": " + key + " was modified");
 597
 598                                         else
 599                                                 logger.log(Level.WARNING, file.getFileName() + ": " + key + " was " + previousValue
 600                                                                 + ", overridden with " + value);
 601                                 }
 602                         }
 603                         try (OutputStream out = Files.newOutputStream(manifestPath)) {
 604                                 manifest.write(out);
 605                         }
 606                 }
 607                 return targetBundleDir;
 608         }
 609
 610         protected void processEclipseSourceJar(Path file, Path targetBase) throws IOException {
 611                 try {
 612                         Path targetBundleDir;
 613                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 614                                 Manifest manifest = jarIn.getManifest();
 615
 616                                 String[] relatedBundle = manifest.getMainAttributes().getValue("Eclipse-SourceBundle").split(";");
 617                                 String version = relatedBundle[1].substring("version=\"".length());
 618                                 version = version.substring(0, version.length() - 1);
 619                                 NameVersion nameVersion = new DefaultNameVersion(relatedBundle[0], version);
 620                                 targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 621
 622                                 Path targetSourceDir = targetBundleDir.resolve("OSGI-OPT/src");
 623
 624                                 // TODO make it less dangerous?
 625                                 if (Files.exists(targetSourceDir)) {
 626 //                              deleteDirectory(targetSourceDir);
 627                                 } else {
 628                                         Files.createDirectories(targetSourceDir);
 629                                 }
 630
 631                                 // copy entries
 632                                 JarEntry entry;
 633                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 634                                         if (entry.isDirectory())
 635                                                 continue entries;
 636                                         if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 637                                                 continue entries;
 638                                         Path target = targetSourceDir.resolve(entry.getName());
 639                                         Files.createDirectories(target.getParent());
 640                                         Files.copy(jarIn, target);
 641                                         logger.log(Level.TRACE, () -> "Copied source " + target);
 642                                 }
 643
 644                                 // copy MANIFEST
 645 //                      Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 646 //                      Files.createDirectories(manifestPath.getParent());
 647 //                      try (OutputStream out = Files.newOutputStream(manifestPath)) {
 648 //                              manifest.write(out);
 649 //                      }
 650                         }
 651                 } catch (IOException e) {
 652                         throw new IllegalStateException("Cannot process " + file, e);
 653                 }
 654
 655         }
 656
 657         static void deleteDirectory(Path path) throws IOException {
 658                 if (!Files.exists(path))
 659                         return;
 660                 Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
 661                         @Override
 662                         public FileVisitResult postVisitDirectory(Path directory, IOException e) throws IOException {
 663                                 if (e != null)
 664                                         throw e;
 665                                 Files.delete(directory);
 666                                 return FileVisitResult.CONTINUE;
 667                         }
 668
 669                         @Override
 670                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 671                                 Files.delete(file);
 672                                 return FileVisitResult.CONTINUE;
 673                         }
 674                 });
 675         }
 676
 677         protected DefaultNameVersion nameVersionFromManifest(Manifest manifest) {
 678                 Attributes attrs = manifest.getMainAttributes();
 679                 // symbolic name
 680                 String symbolicName = attrs.getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 681                 if (symbolicName == null)
 682                         return null;
 683                 // make sure there is no directive
 684                 symbolicName = symbolicName.split(";")[0];
 685
 686                 String version = attrs.getValue(ManifestConstants.BUNDLE_VERSION.toString());
 687                 return new DefaultNameVersion(symbolicName, version);
 688         }
 689
 690         protected Path tryDownload(String uri, Path dir) throws IOException {
 691                 // find mirror
 692                 List<String> urlBases = null;
 693                 String uriPrefix = null;
 694                 uriPrefixes: for (String uriPref : mirrors.keySet()) {
 695                         if (uri.startsWith(uriPref)) {
 696                                 if (mirrors.get(uriPref).size() > 0) {
 697                                         urlBases = mirrors.get(uriPref);
 698                                         uriPrefix = uriPref;
 699                                         break uriPrefixes;
 700                                 }
 701                         }
 702                 }
 703                 if (urlBases == null)
 704                         try {
 705                                 return download(new URL(uri), dir, null);
 706                         } catch (FileNotFoundException e) {
 707                                 throw new FileNotFoundException("Cannot find " + uri);
 708                         }
 709
 710                 // try to download
 711                 for (String urlBase : urlBases) {
 712                         String relativePath = uri.substring(uriPrefix.length());
 713                         URL url = new URL(urlBase + relativePath);
 714                         try {
 715                                 return download(url, dir, null);
 716                         } catch (FileNotFoundException e) {
 717                                 logger.log(Level.WARNING, "Cannot download " + url + ", trying another mirror");
 718                         }
 719                 }
 720                 throw new FileNotFoundException("Cannot find " + uri);
 721         }
 722
 723 //      protected String simplifyName(URL u) {
 724 //      String  name = u.getPath().substring(u.getPath().lastIndexOf('/') + 1);
 725 //
 726 //      }
 727
 728         protected Path download(URL url, Path dir, String name) throws IOException {
 729
 730                 Path dest;
 731                 if (name == null) {
 732                         name = url.getPath().substring(url.getPath().lastIndexOf('/') + 1);
 733                 }
 734
 735                 dest = dir.resolve(name);
 736                 if (Files.exists(dest)) {
 737                         logger.log(Level.TRACE, () -> "File " + dest + " already exists for " + url + ", not downloading again");
 738                         return dest;
 739                 }
 740
 741                 try (InputStream in = url.openStream()) {
 742                         Files.copy(in, dest);
 743                         logger.log(Level.DEBUG, () -> "Downloaded " + dest + " from " + url);
 744                 }
 745                 return dest;
 746         }
 747
 748         protected Path createJar(Path bundleDir) throws IOException {
 749                 Path jarPath = bundleDir.getParent().resolve(bundleDir.getFileName() + ".jar");
 750                 Path manifestPath = bundleDir.resolve("META-INF/MANIFEST.MF");
 751                 Manifest manifest;
 752                 try (InputStream in = Files.newInputStream(manifestPath)) {
 753                         manifest = new Manifest(in);
 754                 }
 755                 try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarPath), manifest)) {
 756                         Files.walkFileTree(bundleDir, new SimpleFileVisitor<Path>() {
 757
 758                                 @Override
 759                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 760                                         if (file.getFileName().toString().equals("MANIFEST.MF"))
 761                                                 return super.visitFile(file, attrs);
 762                                         JarEntry entry = new JarEntry(bundleDir.relativize(file).toString());
 763                                         jarOut.putNextEntry(entry);
 764                                         Files.copy(file, jarOut);
 765                                         return super.visitFile(file, attrs);
 766                                 }
 767
 768                         });
 769                 }
 770                 deleteDirectory(bundleDir);
 771                 return jarPath;
 772         }
 773
 774         public static void main(String[] args) {
 775                 Path factoryBase = Paths.get("../../output/a2").toAbsolutePath().normalize();
 776                 A2Factory factory = new A2Factory(factoryBase);
 777
 778                 Path descriptorsBase = Paths.get("../tp").toAbsolutePath().normalize();
 779
 780 //              factory.processSingleM2ArtifactDistributionUnit(descriptorsBase.resolve("org.argeo.tp.apache").resolve("org.apache.xml.resolver.bnd"));
 781 //              factory.processM2BasedDistributionUnit(descriptorsBase.resolve("org.argeo.tp.apache/apache-sshd"));
 782 //              factory.processM2BasedDistributionUnit(descriptorsBase.resolve("org.argeo.tp.jetty/jetty"));
 783 //              factory.processM2BasedDistributionUnit(descriptorsBase.resolve("org.argeo.tp.jetty/jetty-websocket"));
 784 //              factory.processCategory(descriptorsBase.resolve("org.argeo.tp.eclipse.rcp"));
 785 //              factory.processCategory(descriptorsBase.resolve("org.argeo.tp"));
 786 //              factory.processCategory(descriptorsBase.resolve("org.argeo.tp.apache"));
 787 //              factory.processCategory(descriptorsBase.resolve("org.argeo.tp.formats"));
 788                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.gis"));
 789                 System.exit(0);
 790
 791                 // Eclipse
 792                 factory.processEclipseArchive(
 793                                 descriptorsBase.resolve("org.argeo.tp.eclipse.equinox").resolve("eclipse-equinox"));
 794                 factory.processEclipseArchive(descriptorsBase.resolve("org.argeo.tp.eclipse.rap").resolve("eclipse-rap"));
 795                 factory.processEclipseArchive(descriptorsBase.resolve("org.argeo.tp.eclipse.rcp").resolve("eclipse-rcp"));
 796
 797                 System.exit(0);
 798
 799                 // Maven
 800                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.sdk"));
 801                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp"));
 802                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.apache"));
 803                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.jetty"));
 804                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.jcr"));
 805         }
 806 }