private void validateEncoding(ModuleChunk chunk, String chunkPresentableName) {
   final CompilerEncodingService es = CompilerEncodingService.getInstance(myProject);
   Charset charset = null;
   for (Module module : chunk.getModules()) {
     final Charset moduleCharset = es.getPreferredModuleEncoding(module);
     if (charset == null) {
       charset = moduleCharset;
     } else {
       if (!Comparing.equal(charset, moduleCharset)) {
         // warn user
         final Charset chunkEncoding = CompilerEncodingService.getPreferredModuleEncoding(chunk);
         final StringBuilder message = new StringBuilder();
         message.append("Modules in chunk [");
         message.append(chunkPresentableName);
         message.append("] configured to use different encodings.\n");
         if (chunkEncoding != null) {
           message
               .append("\"")
               .append(chunkEncoding.name())
               .append("\" encoding will be used to compile the chunk");
         } else {
           message.append("Default compiler encoding will be used to compile the chunk");
         }
         myCompileContext.addMessage(
             CompilerMessageCategory.INFORMATION, message.toString(), null, -1, -1);
         break;
       }
     }
   }
 }
  private void compileFinished(int exitValue, final ModuleChunk chunk, final String outputDir) {
    if (exitValue != 0
        && !myCompileContext.getProgressIndicator().isCanceled()
        && myCompileContext.getMessageCount(CompilerMessageCategory.ERROR) == 0) {
      myCompileContext.addMessage(
          CompilerMessageCategory.ERROR,
          CompilerBundle.message("error.compiler.internal.error", exitValue),
          null,
          -1,
          -1);
    }

    myCompiler.compileFinished();
    final List<File> toRefresh = new ArrayList<File>();
    final Map<String, Collection<TranslatingCompiler.OutputItem>> results =
        new HashMap<String, Collection<TranslatingCompiler.OutputItem>>();
    try {
      final FileTypeManager typeManager = FileTypeManager.getInstance();
      final String outputDirPath = outputDir.replace(File.separatorChar, '/');
      try {
        for (final Module module : chunk.getModules()) {
          for (final VirtualFile root : chunk.getSourceRoots(module)) {
            final String packagePrefix = myProjectFileIndex.getPackageNameByDirectory(root);
            if (LOG.isDebugEnabled()) {
              LOG.debug(
                  "Building output items for "
                      + root.getPresentableUrl()
                      + "; output dir = "
                      + outputDirPath
                      + "; packagePrefix = \""
                      + packagePrefix
                      + "\"");
            }
            buildOutputItemsList(
                outputDirPath, module, root, typeManager, root, packagePrefix, toRefresh, results);
          }
        }
      } catch (CacheCorruptedException e) {
        myCompileContext.requestRebuildNextTime(
            CompilerBundle.message("error.compiler.caches.corrupted"));
        if (LOG.isDebugEnabled()) {
          LOG.debug(e);
        }
      }
    } finally {
      CompilerUtil.refreshIOFiles(toRefresh);
      for (Iterator<Map.Entry<String, Collection<TranslatingCompiler.OutputItem>>> it =
              results.entrySet().iterator();
          it.hasNext(); ) {
        Map.Entry<String, Collection<TranslatingCompiler.OutputItem>> entry = it.next();
        mySink.add(entry.getKey(), entry.getValue(), VirtualFile.EMPTY_ARRAY);
        it.remove(); // to free memory
      }
    }
    myFileNameToSourceMap.clear(); // clear the map before the next use
  }
 private void registerParsingException(final CompilerParsingThread outputParsingThread) {
   Throwable error = outputParsingThread == null ? null : outputParsingThread.getError();
   if (error != null) {
     String message = error.getMessage();
     if (error instanceof CacheCorruptedException) {
       myCompileContext.requestRebuildNextTime(message);
     } else {
       myCompileContext.addMessage(CompilerMessageCategory.ERROR, message, null, -1, -1);
     }
   }
 }
  @Nullable
  private Pair<String, String> moveToRealLocation(
      String tempOutputDir,
      String pathToClass,
      VirtualFile sourceFile,
      final List<File> filesToRefresh) {
    final Module module = myCompileContext.getModuleByFile(sourceFile);
    if (module == null) {
      final String message =
          "Cannot determine module for source file: "
              + sourceFile.getPresentableUrl()
              + ";\nCorresponding output file: "
              + pathToClass;
      LOG.info(message);
      myCompileContext.addMessage(
          CompilerMessageCategory.WARNING, message, sourceFile.getUrl(), -1, -1);
      // do not move: looks like source file has been invalidated, need recompilation
      return new Pair<String, String>(tempOutputDir, pathToClass);
    }
    final String realOutputDir;
    if (myCompileContext.isInTestSourceContent(sourceFile)) {
      realOutputDir = getTestsOutputDir(module);
      LOG.assertTrue(realOutputDir != null);
    } else {
      realOutputDir = getOutputDir(module);
      LOG.assertTrue(realOutputDir != null);
    }

    if (FileUtil.pathsEqual(tempOutputDir, realOutputDir)) { // no need to move
      filesToRefresh.add(new File(pathToClass));
      return new Pair<String, String>(realOutputDir, pathToClass);
    }

    final String realPathToClass = realOutputDir + pathToClass.substring(tempOutputDir.length());
    final File fromFile = new File(pathToClass);
    final File toFile = new File(realPathToClass);

    boolean success = fromFile.renameTo(toFile);
    if (!success) {
      // assuming cause of the fail: intermediate dirs do not exist
      FileUtil.createParentDirs(toFile);
      // retry after making non-existent dirs
      success = fromFile.renameTo(toFile);
    }
    if (!success) { // failed to move the file: e.g. because source and destination reside on
                    // different mountpoints.
      try {
        FileUtil.copy(fromFile, toFile);
        FileUtil.delete(fromFile);
        success = true;
      } catch (IOException e) {
        LOG.info(e);
        success = false;
      }
    }
    if (success) {
      filesToRefresh.add(toFile);
      return new Pair<String, String>(realOutputDir, realPathToClass);
    }
    return null;
  }
  private void updateOutputItemsList(
      final String outputDir,
      final VirtualFile srcFile,
      VirtualFile sourceRoot,
      final String packagePrefix,
      final List<File> filesToRefresh,
      Map<String, Collection<TranslatingCompiler.OutputItem>> results,
      final GlobalSearchScope srcRootScope)
      throws CacheCorruptedException {
    CompositeDependencyCache dependencyCache = myCompileContext.getDependencyCache();
    JavaDependencyCache child = dependencyCache.findChild(JavaDependencyCache.class);
    final Cache newCache = child.getNewClassesCache();
    final Set<CompiledClass> paths = myFileNameToSourceMap.get(srcFile.getName());
    if (paths == null || paths.isEmpty()) {
      return;
    }
    final String filePath = "/" + calcPackagePath(srcFile, sourceRoot, packagePrefix);
    for (final CompiledClass cc : paths) {
      myCompileContext.getProgressIndicator().checkCanceled();
      if (LOG.isDebugEnabled()) {
        LOG.debug("Checking [pathToClass; relPathToSource] = " + cc);
      }

      boolean pathsEquals = FileUtil.pathsEqual(filePath, cc.relativePathToSource);
      if (!pathsEquals) {
        final String qName = child.resolve(cc.qName);
        if (qName != null) {
          pathsEquals =
              ApplicationManager.getApplication()
                  .runReadAction(
                      new Computable<Boolean>() {
                        public Boolean compute() {
                          final JavaPsiFacade facade = JavaPsiFacade.getInstance(myProject);
                          PsiClass psiClass = facade.findClass(qName, srcRootScope);
                          if (psiClass == null) {
                            final int dollarIndex = qName.indexOf("$");
                            if (dollarIndex >= 0) {
                              final String topLevelClassName = qName.substring(0, dollarIndex);
                              psiClass = facade.findClass(topLevelClassName, srcRootScope);
                            }
                          }
                          if (psiClass != null) {
                            final VirtualFile vFile = psiClass.getContainingFile().getVirtualFile();
                            return vFile != null && vFile.equals(srcFile);
                          }
                          return false;
                        }
                      });
        }
      }

      if (pathsEquals) {
        final String outputPath = cc.pathToClass.replace(File.separatorChar, '/');
        final Pair<String, String> realLocation =
            moveToRealLocation(outputDir, outputPath, srcFile, filesToRefresh);
        if (realLocation != null) {
          Collection<TranslatingCompiler.OutputItem> outputs = results.get(realLocation.getFirst());
          if (outputs == null) {
            outputs = new ArrayList<TranslatingCompiler.OutputItem>();
            results.put(realLocation.getFirst(), outputs);
          }
          outputs.add(new OutputItemImpl(realLocation.getSecond(), srcFile));
          if (PACKAGE_ANNOTATION_FILE_NAME.equals(srcFile.getName())) {
            myProcessedPackageInfos.add(srcFile);
          }
          if (CompilerManager.MAKE_ENABLED) {
            newCache.setPath(cc.qName, realLocation.getSecond());
          }
          if (LOG.isDebugEnabled()) {
            LOG.debug(
                "Added output item: [outputDir; outputPath; sourceFile]  = ["
                    + realLocation.getFirst()
                    + "; "
                    + realLocation.getSecond()
                    + "; "
                    + srcFile.getPresentableUrl()
                    + "]");
          }
        } else {
          myCompileContext.addMessage(
              CompilerMessageCategory.ERROR,
              "Failed to copy from temporary location to output directory: "
                  + outputPath
                  + " (see idea.log for details)",
              null,
              -1,
              -1);
          if (LOG.isDebugEnabled()) {
            LOG.debug("Failed to move to real location: " + outputPath + "; from " + outputDir);
          }
        }
      }
    }
  }