public static void loadDescriptors(
     String pluginsPath,
     List<IdeaPluginDescriptorImpl> result,
     @Nullable StartupProgress progress,
     int pluginsCount) {
   final File pluginsHome = new File(pluginsPath);
   final File[] files = pluginsHome.listFiles();
   if (files != null) {
     int i = result.size();
     for (File file : files) {
       final IdeaPluginDescriptorImpl descriptor = loadDescriptor(file, PLUGIN_XML);
       if (descriptor == null) continue;
       if (progress != null) {
         progress.showProgress(
             descriptor.getName(), PLUGINS_PROGRESS_MAX_VALUE * ((float) ++i / pluginsCount));
       }
       int oldIndex = result.indexOf(descriptor);
       if (oldIndex >= 0) {
         final IdeaPluginDescriptorImpl oldDescriptor = result.get(oldIndex);
         if (StringUtil.compareVersionNumbers(oldDescriptor.getVersion(), descriptor.getVersion())
             < 0) {
           result.set(oldIndex, descriptor);
         }
       } else {
         result.add(descriptor);
       }
     }
   }
 }
  public ShelvedChangeList importFilePatches(
      final String fileName, final List<FilePatch> patches, final PatchEP[] patchTransitExtensions)
      throws IOException {
    try {
      final File patchPath = getPatchPath(fileName);
      myFileProcessor.savePathFile(
          new CompoundShelfFileProcessor.ContentProvider() {
            public void writeContentTo(final Writer writer, CommitContext commitContext)
                throws IOException {
              UnifiedDiffWriter.write(
                  myProject, patches, writer, "\n", patchTransitExtensions, commitContext);
            }
          },
          patchPath,
          new CommitContext());

      final ShelvedChangeList changeList =
          new ShelvedChangeList(
              patchPath.toString(),
              fileName.replace('\n', ' '),
              new SmartList<ShelvedBinaryFile>());
      myShelvedChangeLists.add(changeList);
      return changeList;
    } finally {
      notifyStateChanged();
    }
  }
  void saveRemainingPatches(
      final ShelvedChangeList changeList,
      final List<FilePatch> remainingPatches,
      final List<ShelvedBinaryFile> remainingBinaries,
      CommitContext commitContext) {
    final File newPath = getPatchPath(changeList.DESCRIPTION);
    try {
      FileUtil.copy(new File(changeList.PATH), newPath);
    } catch (IOException e) {
      // do not delete if cannot recycle
      return;
    }
    final ShelvedChangeList listCopy =
        new ShelvedChangeList(
            newPath.getAbsolutePath(),
            changeList.DESCRIPTION,
            new ArrayList<ShelvedBinaryFile>(changeList.getBinaryFiles()));
    listCopy.DATE = (changeList.DATE == null) ? null : new Date(changeList.DATE.getTime());

    writePatchesToFile(myProject, changeList.PATH, remainingPatches, commitContext);

    changeList.getBinaryFiles().retainAll(remainingBinaries);
    changeList.clearLoadedChanges();
    recycleChangeList(listCopy, changeList);
    notifyStateChanged();
  }
 public List<ShelvedChangeList> importChangeLists(
     final Collection<VirtualFile> files, final Consumer<VcsException> exceptionConsumer) {
   final List<ShelvedChangeList> result = new ArrayList<ShelvedChangeList>(files.size());
   try {
     final FilesProgress filesProgress = new FilesProgress(files.size(), "Processing ");
     for (VirtualFile file : files) {
       filesProgress.updateIndicator(file);
       final String description = file.getNameWithoutExtension().replace('_', ' ');
       final File patchPath = getPatchPath(description);
       final ShelvedChangeList list =
           new ShelvedChangeList(
               patchPath.getPath(),
               description,
               new SmartList<ShelvedBinaryFile>(),
               file.getTimeStamp());
       try {
         final List<TextFilePatch> patchesList =
             loadPatches(myProject, file.getPath(), new CommitContext());
         if (!patchesList.isEmpty()) {
           FileUtil.copy(new File(file.getPath()), patchPath);
           // add only if ok to read patch
           myShelvedChangeLists.add(list);
           result.add(list);
         }
       } catch (IOException e) {
         exceptionConsumer.consume(new VcsException(e));
       } catch (PatchSyntaxException e) {
         exceptionConsumer.consume(new VcsException(e));
       }
     }
   } finally {
     notifyStateChanged();
   }
   return result;
 }
 static int countPlugins(String pluginsPath) {
   File configuredPluginsDir = new File(pluginsPath);
   if (configuredPluginsDir.exists()) {
     String[] list = configuredPluginsDir.list();
     if (list != null) {
       return list.length;
     }
   }
   return 0;
 }
  public ShelvedChangeList shelveChanges(
      final Collection<Change> changes, final String commitMessage, final boolean rollback)
      throws IOException, VcsException {
    final List<Change> textChanges = new ArrayList<Change>();
    final List<ShelvedBinaryFile> binaryFiles = new ArrayList<ShelvedBinaryFile>();
    for (Change change : changes) {
      if (ChangesUtil.getFilePath(change).isDirectory()) {
        continue;
      }
      if (change.getBeforeRevision() instanceof BinaryContentRevision
          || change.getAfterRevision() instanceof BinaryContentRevision) {
        binaryFiles.add(shelveBinaryFile(change));
      } else {
        textChanges.add(change);
      }
    }

    final ShelvedChangeList changeList;
    try {
      File patchPath = getPatchPath(commitMessage);
      ProgressManager.checkCanceled();
      final List<FilePatch> patches =
          IdeaTextPatchBuilder.buildPatch(
              myProject, textChanges, myProject.getBaseDir().getPresentableUrl(), false);
      ProgressManager.checkCanceled();

      CommitContext commitContext = new CommitContext();
      baseRevisionsOfDvcsIntoContext(textChanges, commitContext);
      myFileProcessor.savePathFile(
          new CompoundShelfFileProcessor.ContentProvider() {
            public void writeContentTo(final Writer writer, CommitContext commitContext)
                throws IOException {
              UnifiedDiffWriter.write(myProject, patches, writer, "\n", commitContext);
            }
          },
          patchPath,
          commitContext);

      changeList =
          new ShelvedChangeList(
              patchPath.toString(), commitMessage.replace('\n', ' '), binaryFiles);
      myShelvedChangeLists.add(changeList);
      ProgressManager.checkCanceled();

      if (rollback) {
        new RollbackWorker(myProject, false)
            .doRollback(changes, true, null, VcsBundle.message("shelve.changes.action"));
      }
    } finally {
      notifyStateChanged();
    }

    return changeList;
  }
  private void deleteListImpl(final ShelvedChangeList changeList) {
    File file = new File(changeList.PATH);
    myFileProcessor.delete(file.getName());

    for (ShelvedBinaryFile binaryFile : changeList.getBinaryFiles()) {
      final String path = binaryFile.SHELVED_PATH;
      if (path != null) {
        File binFile = new File(path);
        myFileProcessor.delete(binFile.getName());
      }
    }
  }
  private File getPatchPath(@NonNls final String commitMessage) {
    File file = myFileProcessor.getBaseIODir();
    if (!file.exists()) {
      file.mkdirs();
    }

    return suggestPatchName(
        myProject,
        commitMessage.length() > PatchNameChecker.MAX
            ? (commitMessage.substring(0, PatchNameChecker.MAX))
            : commitMessage,
        file,
        VcsConfiguration.PATCH);
  }
  @Nullable
  static IdeaPluginDescriptorImpl loadDescriptorFromDir(final File file, @NonNls String fileName) {
    IdeaPluginDescriptorImpl descriptor = null;
    File descriptorFile = new File(file, META_INF + File.separator + fileName);
    if (descriptorFile.exists()) {
      descriptor = new IdeaPluginDescriptorImpl(file);

      try {
        descriptor.readExternal(descriptorFile.toURI().toURL());
      } catch (Exception e) {
        System.err.println("Cannot load: " + descriptorFile.getAbsolutePath());
        e.printStackTrace();
      }
    }
    return descriptor;
  }
  @Nullable
  static IdeaPluginDescriptorImpl loadDescriptorFromJar(File file, @NonNls String fileName) {
    try {
      URI fileURL = file.toURI();
      URL jarURL =
          new URL(
              "jar:"
                  + StringUtil.replace(fileURL.toASCIIString(), "!", "%21")
                  + "!/META-INF/"
                  + fileName);

      IdeaPluginDescriptorImpl descriptor = new IdeaPluginDescriptorImpl(file);
      FileInputStream in = new FileInputStream(file);
      ZipInputStream zipStream = new ZipInputStream(in);
      try {
        ZipEntry entry = zipStream.getNextEntry();
        if (entry.getName().equals(JarMemoryLoader.SIZE_ENTRY)) {
          entry = zipStream.getNextEntry();
          if (entry.getName().equals("META-INF/" + fileName)) {
            byte[] content = FileUtil.loadBytes(zipStream, (int) entry.getSize());
            Document document = JDOMUtil.loadDocument(new ByteArrayInputStream(content));
            descriptor.readExternal(document, jarURL);
            return descriptor;
          }
        }
      } finally {
        zipStream.close();
        in.close();
      }

      descriptor.readExternal(jarURL);
      return descriptor;
    } catch (XmlSerializationException e) {
      getLogger().info("Cannot load " + file, e);
      prepareLoadingPluginsErrorMessage(
          "Plugin file " + file.getName() + " contains invalid plugin descriptor file.");
    } catch (FileNotFoundException e) {
      return null;
    } catch (Exception e) {
      getLogger().info("Cannot load " + file, e);
    } catch (Throwable e) {
      getLogger().info("Cannot load " + file, e);
    }

    return null;
  }
 public static void loadDisabledPlugins(
     final String configPath, final Collection<String> disabledPlugins) {
   final File file = new File(configPath, DISABLED_PLUGINS_FILENAME);
   if (file.isFile()) {
     try {
       BufferedReader reader = new BufferedReader(new FileReader(file));
       try {
         String id;
         while ((id = reader.readLine()) != null) {
           disabledPlugins.add(id.trim());
         }
       } finally {
         reader.close();
       }
     } catch (IOException ignored) {
     }
   }
 }
  @Nullable
  static ClassLoader createPluginClassLoader(
      @NotNull File[] classPath,
      @NotNull ClassLoader[] parentLoaders,
      @NotNull IdeaPluginDescriptor pluginDescriptor) {

    if (pluginDescriptor.getUseIdeaClassLoader()) {
      try {
        final ClassLoader loader = PluginManagerCore.class.getClassLoader();
        final Method addUrlMethod = getAddUrlMethod(loader);

        for (File aClassPath : classPath) {
          final File file = aClassPath.getCanonicalFile();
          addUrlMethod.invoke(loader, file.toURI().toURL());
        }

        return loader;
      } catch (NoSuchMethodException e) {
        e.printStackTrace();
      } catch (IOException e) {
        e.printStackTrace();
      } catch (IllegalAccessException e) {
        e.printStackTrace();
      } catch (InvocationTargetException e) {
        e.printStackTrace();
      }
    }

    PluginId pluginId = pluginDescriptor.getPluginId();
    File pluginRoot = pluginDescriptor.getPath();

    // if (classPath.length == 0) return null;
    if (isUnitTestMode()) return null;
    try {
      final List<URL> urls = new ArrayList<URL>(classPath.length);
      for (File aClassPath : classPath) {
        final File file =
            aClassPath
                .getCanonicalFile(); // it is critical not to have "." and ".." in classpath
                                     // elements
        urls.add(file.toURI().toURL());
      }
      return new PluginClassLoader(
          urls, parentLoaders, pluginId, pluginDescriptor.getVersion(), pluginRoot);
    } catch (MalformedURLException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    }
    return null;
  }
  private ShelvedBinaryFile shelveBinaryFile(final Change change) throws IOException {
    final ContentRevision beforeRevision = change.getBeforeRevision();
    final ContentRevision afterRevision = change.getAfterRevision();
    File beforeFile = beforeRevision == null ? null : beforeRevision.getFile().getIOFile();
    File afterFile = afterRevision == null ? null : afterRevision.getFile().getIOFile();
    String shelvedPath = null;
    if (afterFile != null) {
      String shelvedName = FileUtil.getNameWithoutExtension(afterFile.getName());
      String shelvedExt = FileUtil.getExtension(afterFile.getName());
      File shelvedFile =
          FileUtil.findSequentNonexistentFile(
              myFileProcessor.getBaseIODir(), shelvedName, shelvedExt);

      myFileProcessor.saveFile(afterRevision.getFile().getIOFile(), shelvedFile);

      shelvedPath = shelvedFile.getPath();
    }
    String beforePath = ChangesUtil.getProjectRelativePath(myProject, beforeFile);
    String afterPath = ChangesUtil.getProjectRelativePath(myProject, afterFile);
    return new ShelvedBinaryFile(beforePath, afterPath, shelvedPath);
  }
 public static File suggestPatchName(
     Project project, final String commitMessage, final File file, String extension) {
   @NonNls String defaultPath = PathUtil.suggestFileName(commitMessage);
   if (defaultPath.length() == 0) {
     defaultPath = "unnamed";
   }
   if (defaultPath.length() > (PatchNameChecker.MAX - 10)) {
     defaultPath = defaultPath.substring(0, PatchNameChecker.MAX - 10);
   }
   while (true) {
     final File nonexistentFile =
         FileUtil.findSequentNonexistentFile(
             file,
             defaultPath,
             extension == null
                 ? VcsConfiguration.getInstance(project).getPatchFileExtension()
                 : extension);
     if (nonexistentFile.getName().length() >= PatchNameChecker.MAX) {
       defaultPath = defaultPath.substring(0, defaultPath.length() - 1);
       continue;
     }
     return nonexistentFile;
   }
 }
 public static void savePluginsList(Collection<String> ids, boolean append, File plugins)
     throws IOException {
   if (!plugins.isFile()) {
     FileUtil.ensureCanCreateFile(plugins);
   }
   PrintWriter printWriter = new PrintWriter(new BufferedWriter(new FileWriter(plugins, append)));
   try {
     for (String id : ids) {
       printWriter.println(id);
     }
     printWriter.flush();
   } finally {
     printWriter.close();
   }
 }
  public static void dumpFullHistory(
      final Project project, VirtualFile root, final String outFilePath) throws VcsException {
    if (!GitUtil.isGitRoot(new File(root.getPath())))
      throw new VcsException("Path " + root.getPath() + " is not git repository root");

    final GitLineHandler h = new GitLineHandler(project, root, GitCommand.LOG);
    // GitSimpleHandler h = new GitSimpleHandler(project, root, GitCommand.LOG);
    GitLogParser parser =
        new GitLogParser(project, GitLogParser.NameStatus.STATUS, HASH, COMMIT_TIME);
    h.setNoSSH(true);
    h.setSilent(true);
    h.addParameters(
        "--all",
        "--pretty=format:%H%x20%ct%x0A",
        "--date-order",
        "--reverse",
        "--encoding=UTF-8",
        "--full-history",
        "--sparse");
    h.endOptions();

    // for file sort
    final Long[] minTs = new Long[1];
    minTs[0] = Long.MAX_VALUE;
    final Long[] maxTs = new Long[1];
    minTs[0] = 0L;

    final OutputStream[] stream = new OutputStream[1];
    try {
      stream[0] = new BufferedOutputStream(new FileOutputStream(outFilePath, false));
      final Semaphore semaphore = new Semaphore();
      final VcsException[] ioExceptions = new VcsException[1];
      h.addLineListener(
          new GitLineHandlerListener() {
            @Override
            public void onLineAvailable(String line, Key outputType) {
              if (line.length() == 0) return;
              try {
                GitCommitsSequentialIndex.parseRecord(line);
                stream[0].write((line + '\n').getBytes("UTF-8"));
              } catch (IOException e) {
                ioExceptions[0] = new VcsException(e);
                h.cancel();
                semaphore.up();
              } catch (ProcessCanceledException e) {
                h.cancel();
                semaphore.up();
              } catch (VcsException e) {
                ioExceptions[0] = e;
                h.cancel();
                semaphore.up();
              }
            }

            @Override
            public void processTerminated(int exitCode) {
              semaphore.up();
            }

            @Override
            public void startFailed(Throwable exception) {
              semaphore.up();
            }
          });
      semaphore.down();
      h.start();
      semaphore.waitFor();
      if (ioExceptions[0] != null) {
        throw ioExceptions[0];
      }
    } catch (FileNotFoundException e) {
      throw new VcsException(e);
    } finally {
      try {
        if (stream[0] != null) {
          stream[0].close();
        }
      } catch (IOException e) {
        throw new VcsException(e);
      }
    }
    /*String result = h.run();
    if (result.length() > 0) {
      throw new VcsException(result);
    }*/
    File file = new File(outFilePath);
    if (!file.exists() || file.length() == 0)
      throw new VcsException("Short repository history not loaded");
  }
  @SuppressWarnings({"HardCodedStringLiteral"})
  @Nullable
  public static IdeaPluginDescriptorImpl loadDescriptor(
      final File file, @NonNls final String fileName) {
    IdeaPluginDescriptorImpl descriptor = null;

    if (file.isDirectory()) {
      descriptor = loadDescriptorFromDir(file, fileName);

      if (descriptor == null) {
        File libDir = new File(file, "lib");
        if (!libDir.isDirectory()) {
          return null;
        }
        final File[] files = libDir.listFiles();
        if (files == null || files.length == 0) {
          return null;
        }
        Arrays.sort(
            files,
            new Comparator<File>() {
              @Override
              public int compare(File o1, File o2) {
                if (o2.getName().startsWith(file.getName())) return Integer.MAX_VALUE;
                if (o1.getName().startsWith(file.getName())) return -Integer.MAX_VALUE;
                if (o2.getName().startsWith("resources")) return -Integer.MAX_VALUE;
                if (o1.getName().startsWith("resources")) return Integer.MAX_VALUE;
                return 0;
              }
            });
        for (final File f : files) {
          if (FileUtil.isJarOrZip(f)) {
            descriptor = loadDescriptorFromJar(f, fileName);
            if (descriptor != null) {
              descriptor.setPath(file);
              break;
            }
            //           getLogger().warn("Cannot load descriptor from " + f.getName() + "");
          } else if (f.isDirectory()) {
            IdeaPluginDescriptorImpl descriptor1 = loadDescriptorFromDir(f, fileName);
            if (descriptor1 != null) {
              if (descriptor != null) {
                getLogger()
                    .info("Cannot load " + file + " because two or more plugin.xml's detected");
                return null;
              }
              descriptor = descriptor1;
              descriptor.setPath(file);
            }
          }
        }
      }
    } else if (StringUtil.endsWithIgnoreCase(file.getName(), ".jar") && file.exists()) {
      descriptor = loadDescriptorFromJar(file, fileName);
    }

    if (descriptor != null && !descriptor.getOptionalConfigs().isEmpty()) {
      final Map<PluginId, IdeaPluginDescriptorImpl> descriptors =
          new HashMap<PluginId, IdeaPluginDescriptorImpl>(descriptor.getOptionalConfigs().size());
      for (Map.Entry<PluginId, String> entry : descriptor.getOptionalConfigs().entrySet()) {
        String optionalDescriptorName = entry.getValue();
        assert !Comparing.equal(fileName, optionalDescriptorName)
            : "recursive dependency: " + fileName;

        IdeaPluginDescriptorImpl optionalDescriptor = loadDescriptor(file, optionalDescriptorName);
        if (optionalDescriptor == null && !FileUtil.isJarOrZip(file)) {
          for (URL url : getClassLoaderUrls()) {
            if ("file".equals(url.getProtocol())) {
              optionalDescriptor =
                  loadDescriptor(new File(decodeUrl(url.getFile())), optionalDescriptorName);
              if (optionalDescriptor != null) {
                break;
              }
            }
          }
        }
        if (optionalDescriptor != null) {
          descriptors.put(entry.getKey(), optionalDescriptor);
        } else {
          getLogger().info("Cannot find optional descriptor " + optionalDescriptorName);
        }
      }
      descriptor.setOptionalDescriptors(descriptors);
    }
    return descriptor;
  }