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_LICENSE;
   5 import static org.argeo.slc.ManifestConstants.BUNDLE_SYMBOLICNAME;
   6 import static org.argeo.slc.ManifestConstants.BUNDLE_VERSION;
   7 import static org.argeo.slc.ManifestConstants.EXPORT_PACKAGE;
   8 import static org.argeo.slc.ManifestConstants.SLC_ORIGIN_M2;
   9
  10 import java.io.FileNotFoundException;
  11 import java.io.IOException;
  12 import java.io.InputStream;
  13 import java.io.OutputStream;
  14 import java.io.Writer;
  15 import java.lang.System.Logger;
  16 import java.lang.System.Logger.Level;
  17 import java.net.URL;
  18 import java.nio.file.DirectoryStream;
  19 import java.nio.file.FileSystem;
  20 import java.nio.file.FileSystems;
  21 import java.nio.file.FileVisitResult;
  22 import java.nio.file.Files;
  23 import java.nio.file.Path;
  24 import java.nio.file.PathMatcher;
  25 import java.nio.file.Paths;
  26 import java.nio.file.SimpleFileVisitor;
  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.DefaultNameVersion;
  41 import org.argeo.slc.ManifestConstants;
  42 import org.argeo.slc.NameVersion;
  43 import org.argeo.slc.factory.m2.DefaultArtifact;
  44 import org.argeo.slc.factory.m2.MavenConventionsUtils;
  45
  46 import aQute.bnd.osgi.Analyzer;
  47 import aQute.bnd.osgi.Jar;
  48
  49 /** The central class for A2 packaging. */
  50 public class A2Factory {
  51         private final static Logger logger = System.getLogger(A2Factory.class.getName());
  52
  53         private final static String COMMON_BND = "common.bnd";
  54
  55         private Path originBase;
  56         private Path factoryBase;
  57
  58         /** key is URI prefix, value list of base URLs */
  59         private Map<String, List<String>> mirrors = new HashMap<String, List<String>>();
  60
  61         public A2Factory(Path originBase, Path factoryBase) {
  62                 super();
  63                 this.originBase = originBase;
  64                 this.factoryBase = factoryBase;
  65
  66                 // TODO make it configurable
  67                 List<String> eclipseMirrors = new ArrayList<>();
  68                 eclipseMirrors.add("https://archive.eclipse.org/");
  69
  70                 mirrors.put("http://www.eclipse.org/downloads", eclipseMirrors);
  71         }
  72
  73         public void processCategory(Path targetCategoryBase) {
  74                 try {
  75                         DirectoryStream<Path> bnds = Files.newDirectoryStream(targetCategoryBase,
  76                                         (p) -> p.getFileName().toString().endsWith(".bnd")
  77                                                         && !p.getFileName().toString().equals(COMMON_BND));
  78                         for (Path p : bnds) {
  79                                 processSingleM2ArtifactDistributionUnit(p);
  80                         }
  81
  82                         DirectoryStream<Path> dus = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p));
  83                         for (Path duDir : dus) {
  84                                 processM2BasedDistributionUnit(duDir);
  85                         }
  86                 } catch (IOException e) {
  87                         throw new RuntimeException("Cannot process category " + targetCategoryBase, e);
  88                 }
  89         }
  90
  91         public void processSingleM2ArtifactDistributionUnit(Path bndFile) {
  92                 try {
  93                         String category = bndFile.getParent().getFileName().toString();
  94                         Path targetCategoryBase = factoryBase.resolve(category);
  95                         Properties fileProps = new Properties();
  96                         try (InputStream in = Files.newInputStream(bndFile)) {
  97                                 fileProps.load(in);
  98                         }
  99
 100                         String m2Coordinates = fileProps.getProperty(SLC_ORIGIN_M2.toString());
 101                         if (m2Coordinates == null)
 102                                 throw new IllegalArgumentException("No M2 coordinates available for " + bndFile);
 103                         DefaultArtifact artifact = new DefaultArtifact(m2Coordinates);
 104                         URL url = MavenConventionsUtils.mavenCentralUrl(artifact);
 105                         Path downloaded = download(url, originBase, artifact.toM2Coordinates() + ".jar");
 106
 107                         Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, fileProps, artifact);
 108
 109                         downloadAndProcessM2Sources(artifact, targetBundleDir);
 110
 111                         createJar(targetBundleDir);
 112                 } catch (Exception e) {
 113                         throw new RuntimeException("Cannot process " + bndFile, e);
 114                 }
 115         }
 116
 117         public void processM2BasedDistributionUnit(Path duDir) {
 118                 try {
 119                         String category = duDir.getParent().getFileName().toString();
 120                         Path targetCategoryBase = factoryBase.resolve(category);
 121                         Path commonBnd = duDir.resolve(COMMON_BND);
 122                         Properties commonProps = new Properties();
 123                         try (InputStream in = Files.newInputStream(commonBnd)) {
 124                                 commonProps.load(in);
 125                         }
 126
 127                         String m2Version = commonProps.getProperty(SLC_ORIGIN_M2.toString());
 128                         if (!m2Version.startsWith(":")) {
 129                                 throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 130                         }
 131                         m2Version = m2Version.substring(1);
 132
 133                         // String license = commonProps.getProperty(BUNDLE_LICENSE.toString());
 134
 135                         DirectoryStream<Path> ds = Files.newDirectoryStream(duDir,
 136                                         (p) -> p.getFileName().toString().endsWith(".bnd")
 137                                                         && !p.getFileName().toString().equals(COMMON_BND));
 138                         for (Path p : ds) {
 139                                 Properties fileProps = new Properties();
 140                                 try (InputStream in = Files.newInputStream(p)) {
 141                                         fileProps.load(in);
 142                                 }
 143                                 String m2Coordinates = fileProps.getProperty(SLC_ORIGIN_M2.toString());
 144                                 DefaultArtifact artifact = new DefaultArtifact(m2Coordinates);
 145
 146                                 // temporary rewrite, for migration
 147                                 String localLicense = fileProps.getProperty(BUNDLE_LICENSE.toString());
 148                                 if (localLicense != null || artifact.getVersion() != null) {
 149                                         fileProps.remove(BUNDLE_LICENSE.toString());
 150                                         fileProps.put(SLC_ORIGIN_M2.toString(), artifact.getGroupId() + ":" + artifact.getArtifactId());
 151                                         try (Writer writer = Files.newBufferedWriter(p)) {
 152                                                 for (Object key : fileProps.keySet()) {
 153                                                         String value = fileProps.getProperty(key.toString());
 154                                                         writer.write(key + ": " + value + '\n');
 155                                                 }
 156                                                 logger.log(DEBUG, () -> "Migrated  " + p);
 157                                         }
 158                                 }
 159
 160                                 artifact.setVersion(m2Version);
 161                                 URL url = MavenConventionsUtils.mavenCentralUrl(artifact);
 162                                 Path downloaded = download(url, originBase, artifact.toM2Coordinates() + ".jar");
 163
 164                                 // prepare manifest entries
 165                                 Properties mergeProps = new Properties();
 166                                 mergeProps.putAll(commonProps);
 167
 168                                 // Map<String, String> entries = new HashMap<>();
 169 //                              for (Object key : commonProps.keySet()) {
 170 //                                      entries.put(key.toString(), commonProps.getProperty(key.toString()));
 171 //                              }
 172                                 fileEntries: for (Object key : fileProps.keySet()) {
 173                                         if (ManifestConstants.SLC_ORIGIN_M2.toString().equals(key))
 174                                                 continue fileEntries;
 175                                         String value = fileProps.getProperty(key.toString());
 176                                         Object previousValue = mergeProps.put(key.toString(), value);
 177                                         if (previousValue != null) {
 178                                                 logger.log(Level.WARNING,
 179                                                                 downloaded + ": " + key + " was " + previousValue + ", overridden with " + value);
 180                                         }
 181                                 }
 182                                 mergeProps.put(ManifestConstants.SLC_ORIGIN_M2.toString(), artifact.toM2Coordinates());
 183                                 Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, mergeProps, artifact);
 184 //                              logger.log(Level.DEBUG, () -> "Processed " + downloaded);
 185
 186                                 // sources
 187                                 downloadAndProcessM2Sources(artifact, targetBundleDir);
 188
 189                                 createJar(targetBundleDir);
 190                         }
 191                 } catch (IOException e) {
 192                         throw new RuntimeException("Cannot process " + duDir, e);
 193                 }
 194
 195         }
 196
 197         protected void downloadAndProcessM2Sources(DefaultArtifact artifact, Path targetBundleDir) throws IOException {
 198                 DefaultArtifact sourcesArtifact = new DefaultArtifact(artifact.toM2Coordinates(), "sources");
 199                 URL sourcesUrl = MavenConventionsUtils.mavenCentralUrl(sourcesArtifact);
 200                 Path sourcesDownloaded = download(sourcesUrl, originBase, artifact.toM2Coordinates() + ".sources.jar");
 201                 processM2SourceJar(sourcesDownloaded, targetBundleDir);
 202                 logger.log(Level.DEBUG, () -> "Processed source " + sourcesDownloaded);
 203
 204         }
 205
 206         protected Path processBndJar(Path downloaded, Path targetCategoryBase, Properties fileProps,
 207                         DefaultArtifact artifact) {
 208
 209                 try {
 210                         Map<String, String> additionalEntries = new TreeMap<>();
 211                         boolean doNotModify = Boolean.parseBoolean(fileProps
 212                                         .getOrDefault(ManifestConstants.SLC_ORIGIN_MANIFEST_NOT_MODIFIED.toString(), "false").toString());
 213
 214                         if (doNotModify) {
 215                                 fileEntries: for (Object key : fileProps.keySet()) {
 216                                         if (ManifestConstants.SLC_ORIGIN_M2.toString().equals(key))
 217                                                 continue fileEntries;
 218                                         String value = fileProps.getProperty(key.toString());
 219                                         additionalEntries.put(key.toString(), value);
 220                                 }
 221                         } else {
 222                                 if (artifact != null) {
 223                                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 224                                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), artifact.getName());
 225                                         }
 226                                         if (!fileProps.containsKey(BUNDLE_VERSION.toString())) {
 227                                                 fileProps.put(BUNDLE_VERSION.toString(), artifact.getVersion());
 228                                         }
 229                                 }
 230
 231                                 if (!fileProps.containsKey(EXPORT_PACKAGE.toString())) {
 232                                         fileProps.put(EXPORT_PACKAGE.toString(),
 233                                                         "*;version=\"" + fileProps.getProperty(BUNDLE_VERSION.toString()) + "\"");
 234                                 }
 235 //                              if (!fileProps.contains(IMPORT_PACKAGE.toString())) {
 236 //                                      fileProps.put(IMPORT_PACKAGE.toString(), "*");
 237 //                              }
 238
 239                                 try (Analyzer bndAnalyzer = new Analyzer()) {
 240                                         bndAnalyzer.setProperties(fileProps);
 241                                         Jar jar = new Jar(downloaded.toFile());
 242                                         bndAnalyzer.setJar(jar);
 243                                         Manifest manifest = bndAnalyzer.calcManifest();
 244
 245                                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 246                                                 Object value = manifest.getMainAttributes().get(key);
 247
 248                                                 switch (key.toString()) {
 249                                                 case "Tool":
 250                                                 case "Bnd-LastModified":
 251                                                 case "Created-By":
 252                                                         continue keys;
 253                                                 }
 254                                                 if ("Require-Capability".equals(key.toString())
 255                                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 256                                                         continue keys;// hack for very old classes
 257                                                 additionalEntries.put(key.toString(), value.toString());
 258                                                 logger.log(DEBUG, () -> key + "=" + value);
 259
 260                                         }
 261                                 }
 262
 263 //                              try (Builder bndBuilder = new Builder()) {
 264 //                                      Jar jar = new Jar(downloaded.toFile());
 265 //                                      bndBuilder.addClasspath(jar);
 266 //                                      Path targetBundleDir = targetCategoryBase.resolve(artifact.getName() + "." + artifact.getBranch());
 267 //
 268 //                                      Jar target = new Jar(targetBundleDir.toFile());
 269 //                                      bndBuilder.setJar(target);
 270 //                                      return targetBundleDir;
 271 //                              }
 272                         }
 273                         Path targetBundleDir = processBundleJar(downloaded, targetCategoryBase, additionalEntries);
 274                         logger.log(Level.DEBUG, () -> "Processed " + downloaded);
 275                         return targetBundleDir;
 276                 } catch (Exception e) {
 277                         throw new RuntimeException("Cannot BND process " + downloaded, e);
 278                 }
 279
 280         }
 281
 282         protected void processM2SourceJar(Path file, Path targetBundleDir) throws IOException {
 283                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 284                         Path targetSourceDir = targetBundleDir.resolve("OSGI-OPT/src");
 285
 286                         // TODO make it less dangerous?
 287                         if (Files.exists(targetSourceDir)) {
 288                                 deleteDirectory(targetSourceDir);
 289                         } else {
 290                                 Files.createDirectories(targetSourceDir);
 291                         }
 292
 293                         // copy entries
 294                         JarEntry entry;
 295                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 296                                 if (entry.isDirectory())
 297                                         continue entries;
 298                                 if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 299                                         continue entries;
 300                                 Path target = targetSourceDir.resolve(entry.getName());
 301                                 Files.createDirectories(target.getParent());
 302                                 Files.copy(jarIn, target);
 303                                 logger.log(Level.TRACE, () -> "Copied source " + target);
 304                         }
 305                 }
 306
 307         }
 308
 309         public void processEclipseArchive(Path duDir) {
 310                 try {
 311                         String category = duDir.getParent().getFileName().toString();
 312                         Path targetCategoryBase = factoryBase.resolve(category);
 313                         Files.createDirectories(targetCategoryBase);
 314                         Files.createDirectories(originBase);
 315
 316                         Path commonBnd = duDir.resolve(COMMON_BND);
 317                         Properties commonProps = new Properties();
 318                         try (InputStream in = Files.newInputStream(commonBnd)) {
 319                                 commonProps.load(in);
 320                         }
 321                         Properties includes = new Properties();
 322                         try (InputStream in = Files.newInputStream(duDir.resolve("includes.properties"))) {
 323                                 includes.load(in);
 324                         }
 325                         String url = commonProps.getProperty(ManifestConstants.SLC_ORIGIN_URI.toString());
 326                         Path downloaded = tryDownload(url, originBase);
 327
 328                         FileSystem zipFs = FileSystems.newFileSystem(downloaded, (ClassLoader) null);
 329
 330                         List<PathMatcher> pathMatchers = new ArrayList<>();
 331                         for (Object pattern : includes.keySet()) {
 332                                 PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 333                                 pathMatchers.add(pathMatcher);
 334                         }
 335
 336                         Files.walkFileTree(zipFs.getRootDirectories().iterator().next(), new SimpleFileVisitor<Path>() {
 337
 338                                 @Override
 339                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 340                                         pathMatchers: for (PathMatcher pathMatcher : pathMatchers) {
 341                                                 if (pathMatcher.matches(file)) {
 342 //                                                      Path target = targetBase.resolve(file.getFileName().toString());
 343 //                                                      if (!Files.exists(target)) {
 344 //                                                              Files.copy(file, target);
 345 //                                                              logger.log(Level.DEBUG, () -> "Copied " + target + " from " + downloaded);
 346 //                                                      } else {
 347 //                                                              logger.log(Level.DEBUG, () -> target + " already exists.");
 348 //
 349 //                                                      }
 350                                                         if (file.getFileName().toString().contains(".source_")) {
 351                                                                 processEclipseSourceJar(file, targetCategoryBase);
 352                                                                 logger.log(Level.DEBUG, () -> "Processed source " + file);
 353
 354                                                         } else {
 355                                                                 processBundleJar(file, targetCategoryBase, new HashMap<>());
 356                                                                 logger.log(Level.DEBUG, () -> "Processed " + file);
 357                                                         }
 358                                                         continue pathMatchers;
 359                                                 }
 360                                         }
 361                                         return super.visitFile(file, attrs);
 362                                 }
 363                         });
 364
 365                         DirectoryStream<Path> dirs = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p));
 366                         for (Path dir : dirs) {
 367                                 createJar(dir);
 368                         }
 369                 } catch (IOException e) {
 370                         throw new RuntimeException("Cannot process " + duDir, e);
 371                 }
 372
 373         }
 374
 375         protected Path processBundleJar(Path file, Path targetBase, Map<String, String> entries) throws IOException {
 376                 NameVersion nameVersion;
 377                 Path targetBundleDir;
 378                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 379                         Manifest manifest = new Manifest(jarIn.getManifest());
 380
 381                         // remove problematic entries in MANIFEST
 382                         manifest.getEntries().clear();
 383 //                      Set<String> entriesToDelete = new HashSet<>();
 384 //                      for (String key : manifest.getEntries().keySet()) {
 385 ////                            logger.log(DEBUG, "## " + key);
 386 //                              Attributes attrs = manifest.getAttributes(key);
 387 //                              for (Object attrName : attrs.keySet()) {
 388 ////                                    logger.log(DEBUG, attrName + "=" + attrs.get(attrName));
 389 //                                      if ("Specification-Version".equals(attrName.toString())
 390 //                                                      || "Implementation-Version".equals(attrName.toString())) {
 391 //                                              entriesToDelete.add(key);
 392 //
 393 //                                      }
 394 //                              }
 395 //                      }
 396 //                      for (String key : entriesToDelete) {
 397 //                              manifest.getEntries().remove(key);
 398 //                      }
 399
 400                         String symbolicNameFromEntries = entries.get(BUNDLE_SYMBOLICNAME.toString());
 401                         String versionFromEntries = entries.get(BUNDLE_VERSION.toString());
 402
 403                         if (symbolicNameFromEntries != null && versionFromEntries != null) {
 404                                 nameVersion = new DefaultNameVersion(symbolicNameFromEntries, versionFromEntries);
 405                         } else {
 406                                 nameVersion = nameVersionFromManifest(manifest);
 407                                 if (versionFromEntries != null && !nameVersion.getVersion().equals(versionFromEntries)) {
 408                                         logger.log(Level.WARNING, "Original version is " + nameVersion.getVersion()
 409                                                         + " while new version is " + versionFromEntries);
 410                                 }
 411                         }
 412                         targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 413
 414                         // TODO make it less dangerous?
 415                         if (Files.exists(targetBundleDir)) {
 416                                 deleteDirectory(targetBundleDir);
 417                         }
 418
 419                         // copy entries
 420                         JarEntry entry;
 421                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 422                                 if (entry.isDirectory())
 423                                         continue entries;
 424                                 if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 425                                         continue entries;
 426                                 Path target = targetBundleDir.resolve(entry.getName());
 427                                 Files.createDirectories(target.getParent());
 428                                 Files.copy(jarIn, target);
 429                                 logger.log(Level.TRACE, () -> "Copied " + target);
 430                         }
 431
 432                         // copy MANIFEST
 433                         Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 434                         Files.createDirectories(manifestPath.getParent());
 435                         for (String key : entries.keySet()) {
 436                                 String value = entries.get(key);
 437                                 Object previousValue = manifest.getMainAttributes().putValue(key, value);
 438                                 if (previousValue != null && !previousValue.equals(value)) {
 439                                         logger.log(Level.WARNING,
 440                                                         file.getFileName() + ": " + key + " was " + previousValue + ", overridden with " + value);
 441                                 }
 442                         }
 443                         try (OutputStream out = Files.newOutputStream(manifestPath)) {
 444                                 manifest.write(out);
 445                         }
 446                 }
 447                 return targetBundleDir;
 448         }
 449
 450         protected void processEclipseSourceJar(Path file, Path targetBase) throws IOException {
 451                 // NameVersion nameVersion;
 452                 Path targetBundleDir;
 453                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 454                         Manifest manifest = jarIn.getManifest();
 455                         // nameVersion = nameVersionFromManifest(manifest);
 456
 457                         String[] relatedBundle = manifest.getMainAttributes().getValue("Eclipse-SourceBundle").split(";");
 458                         String version = relatedBundle[1].substring("version=\"".length());
 459                         version = version.substring(0, version.length() - 1);
 460                         NameVersion nameVersion = new DefaultNameVersion(relatedBundle[0], version);
 461                         targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 462
 463                         Path targetSourceDir = targetBundleDir.resolve("OSGI-OPT/src");
 464
 465                         // TODO make it less dangerous?
 466                         if (Files.exists(targetSourceDir)) {
 467                                 deleteDirectory(targetSourceDir);
 468                         } else {
 469                                 Files.createDirectories(targetSourceDir);
 470                         }
 471
 472                         // copy entries
 473                         JarEntry entry;
 474                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 475                                 if (entry.isDirectory())
 476                                         continue entries;
 477                                 if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 478                                         continue entries;
 479                                 Path target = targetSourceDir.resolve(entry.getName());
 480                                 Files.createDirectories(target.getParent());
 481                                 Files.copy(jarIn, target);
 482                                 logger.log(Level.TRACE, () -> "Copied source " + target);
 483                         }
 484
 485                         // copy MANIFEST
 486 //                      Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 487 //                      Files.createDirectories(manifestPath.getParent());
 488 //                      try (OutputStream out = Files.newOutputStream(manifestPath)) {
 489 //                              manifest.write(out);
 490 //                      }
 491                 }
 492
 493         }
 494
 495         static void deleteDirectory(Path path) throws IOException {
 496                 if (!Files.exists(path))
 497                         return;
 498                 Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
 499                         @Override
 500                         public FileVisitResult postVisitDirectory(Path directory, IOException e) throws IOException {
 501                                 if (e != null)
 502                                         throw e;
 503                                 Files.delete(directory);
 504                                 return FileVisitResult.CONTINUE;
 505                         }
 506
 507                         @Override
 508                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 509                                 Files.delete(file);
 510                                 return FileVisitResult.CONTINUE;
 511                         }
 512                 });
 513         }
 514
 515         protected NameVersion nameVersionFromManifest(Manifest manifest) {
 516                 Attributes attrs = manifest.getMainAttributes();
 517                 // symbolic name
 518                 String symbolicName = attrs.getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 519                 if (symbolicName == null)
 520                         return null;
 521                 // make sure there is no directive
 522                 symbolicName = symbolicName.split(";")[0];
 523
 524                 String version = attrs.getValue(ManifestConstants.BUNDLE_VERSION.toString());
 525                 return new DefaultNameVersion(symbolicName, version);
 526         }
 527
 528         protected Path tryDownload(String uri, Path dir) throws IOException {
 529                 // find mirror
 530                 List<String> urlBases = null;
 531                 String uriPrefix = null;
 532                 uriPrefixes: for (String uriPref : mirrors.keySet()) {
 533                         if (uri.startsWith(uriPref)) {
 534                                 if (mirrors.get(uriPref).size() > 0) {
 535                                         urlBases = mirrors.get(uriPref);
 536                                         uriPrefix = uriPref;
 537                                         break uriPrefixes;
 538                                 }
 539                         }
 540                 }
 541                 if (urlBases == null)
 542                         try {
 543                                 return download(new URL(uri), dir, null);
 544                         } catch (FileNotFoundException e) {
 545                                 throw new FileNotFoundException("Cannot find " + uri);
 546                         }
 547
 548                 // try to download
 549                 for (String urlBase : urlBases) {
 550                         String relativePath = uri.substring(uriPrefix.length());
 551                         URL url = new URL(urlBase + relativePath);
 552                         try {
 553                                 return download(url, dir, null);
 554                         } catch (FileNotFoundException e) {
 555                                 logger.log(Level.WARNING, "Cannot download " + url + ", trying another mirror");
 556                         }
 557                 }
 558                 throw new FileNotFoundException("Cannot find " + uri);
 559         }
 560
 561 //      protected String simplifyName(URL u) {
 562 //      String  name = u.getPath().substring(u.getPath().lastIndexOf('/') + 1);
 563 //
 564 //      }
 565
 566         protected Path download(URL url, Path dir, String name) throws IOException {
 567
 568                 Path dest;
 569                 if (name == null) {
 570                         name = url.getPath().substring(url.getPath().lastIndexOf('/') + 1);
 571                 }
 572
 573                 dest = dir.resolve(name);
 574                 if (Files.exists(dest)) {
 575                         logger.log(Level.TRACE, () -> "File " + dest + " already exists for " + url + ", not downloading again");
 576                         return dest;
 577                 }
 578
 579                 try (InputStream in = url.openStream()) {
 580                         Files.copy(in, dest);
 581                         logger.log(Level.DEBUG, () -> "Downloaded " + dest + " from " + url);
 582                 }
 583                 return dest;
 584         }
 585
 586         protected Path createJar(Path bundleDir) throws IOException {
 587                 Path jarPath = bundleDir.getParent().resolve(bundleDir.getFileName() + ".jar");
 588                 Path manifestPath = bundleDir.resolve("META-INF/MANIFEST.MF");
 589                 Manifest manifest;
 590                 try (InputStream in = Files.newInputStream(manifestPath)) {
 591                         manifest = new Manifest(in);
 592                 }
 593                 try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarPath), manifest)) {
 594                         Files.walkFileTree(bundleDir, new SimpleFileVisitor<Path>() {
 595
 596                                 @Override
 597                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 598                                         if (file.getFileName().toString().equals("MANIFEST.MF"))
 599                                                 return super.visitFile(file, attrs);
 600                                         JarEntry entry = new JarEntry(bundleDir.relativize(file).toString());
 601                                         jarOut.putNextEntry(entry);
 602                                         Files.copy(file, jarOut);
 603                                         return super.visitFile(file, attrs);
 604                                 }
 605
 606                         });
 607                 }
 608                 deleteDirectory(bundleDir);
 609                 return jarPath;
 610         }
 611
 612         public static void main(String[] args) {
 613                 Path originBase = Paths.get("../output/origin").toAbsolutePath().normalize();
 614                 Path factoryBase = Paths.get("../output/a2").toAbsolutePath().normalize();
 615                 A2Factory factory = new A2Factory(originBase, factoryBase);
 616
 617                 Path descriptorsBase = Paths.get("../tp").toAbsolutePath().normalize();
 618
 619 //              factory.processSingleM2ArtifactDistributionUnit(descriptorsBase.resolve("org.argeo.tp.apache").resolve("org.apache.xml.resolver.bnd"));
 620 //              factory.processM2BasedDistributionUnit(descriptorsBase.resolve("org.argeo.tp/slf4j"));
 621 //              System.exit(0);
 622
 623                 // Eclipse
 624                 factory.processEclipseArchive(
 625                                 descriptorsBase.resolve("org.argeo.tp.eclipse.equinox").resolve("eclipse-equinox"));
 626                 factory.processEclipseArchive(descriptorsBase.resolve("org.argeo.tp.eclipse.rap").resolve("eclipse-rap"));
 627                 factory.processEclipseArchive(descriptorsBase.resolve("org.argeo.tp.eclipse.rcp").resolve("eclipse-rcp"));
 628
 629                 // Maven
 630                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.sdk"));
 631                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp"));
 632                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.apache"));
 633                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.jetty"));
 634                 factory.processCategory(descriptorsBase.resolve("org.argeo.tp.jcr"));
 635         }
 636 }