Ejemplo n.º 1
1
  /**
   * Add a file to the Lucene index (and generate a xref file)
   *
   * @param file The file to add
   * @param path The path to the file (from source root)
   * @throws java.io.IOException if an error occurs
   */
  private void addFile(File file, String path) throws IOException {
    try (InputStream in = new BufferedInputStream(new FileInputStream(file))) {
      FileAnalyzer fa = AnalyzerGuru.getAnalyzer(in, path);
      for (IndexChangedListener listener : listeners) {
        listener.fileAdd(path, fa.getClass().getSimpleName());
      }
      fa.setCtags(ctags);
      fa.setProject(Project.getProject(path));

      Document d;
      try {
        d = analyzerGuru.getDocument(file, in, path, fa);
      } catch (Exception e) {
        log.log(
            Level.INFO,
            "Skipped file ''{0}'' because the analyzer didn''t " + "understand it.",
            path);
        StringBuilder stack = new StringBuilder();
        for (StackTraceElement ste : e.getStackTrace()) {
          stack.append(ste.toString()).append(System.lineSeparator());
        }
        StringBuilder sstack = new StringBuilder();
        for (Throwable t : e.getSuppressed()) {
          for (StackTraceElement ste : t.getStackTrace()) {
            sstack.append(ste.toString()).append(System.lineSeparator());
          }
        }
        log.log(
            Level.FINE,
            "Exception from analyzer {0}: {1} {2}{3}{4}{5}{6}",
            new String[] {
              fa.getClass().getName(),
              e.toString(),
              System.lineSeparator(),
              stack.toString(),
              System.lineSeparator(),
              sstack.toString()
            });
        return;
      }

      writer.addDocument(d, fa);
      Genre g = fa.getFactory().getGenre();
      if (xrefDir != null && (g == Genre.PLAIN || g == Genre.XREFABLE)) {
        File xrefFile = new File(xrefDir, path);
        // If mkdirs() returns false, the failure is most likely
        // because the file already exists. But to check for the
        // file first and only add it if it doesn't exists would
        // only increase the file IO...
        if (!xrefFile.getParentFile().mkdirs()) {
          assert xrefFile.getParentFile().exists();
        }
        fa.writeXref(xrefDir, path);
      }
      setDirty();
      for (IndexChangedListener listener : listeners) {
        listener.fileAdded(path, fa.getClass().getSimpleName());
      }
    }
  }
Ejemplo n.º 2
0
  /**
   * Remove a stale file (uidIter.term().text()) from the index database (and the xref file)
   *
   * @throws java.io.IOException if an error occurs
   */
  private void removeFile() throws IOException {
    String path = Util.uid2url(uidIter.term().utf8ToString());

    for (IndexChangedListener listener : listeners) {
      listener.fileRemove(path);
    }
    writer.deleteDocuments(new Term(QueryBuilder.U, uidIter.term()));
    writer.prepareCommit();
    writer.commit();

    File xrefFile;
    if (RuntimeEnvironment.getInstance().isCompressXref()) {
      xrefFile = new File(xrefDir, path + ".gz");
    } else {
      xrefFile = new File(xrefDir, path);
    }
    File parent = xrefFile.getParentFile();

    if (!xrefFile.delete() && xrefFile.exists()) {
      log.log(Level.INFO, "Failed to remove obsolete xref-file: {0}", xrefFile.getAbsolutePath());
    }

    // Remove the parent directory if it's empty
    if (parent.delete()) {
      log.log(Level.FINE, "Removed empty xref dir:{0}", parent.getAbsolutePath());
    }
    setDirty();
    for (IndexChangedListener listener : listeners) {
      listener.fileRemoved(path);
    }
  }