Example #1
0
  /**
   * Creates a new file within the state location of this plugin and writes the given content to it.
   * If the file already exists, it is overwritten.<br>
   * The naming scheme for the temporary file is "<em>baseName</em>.<em>type</em>".
   *
   * @param fileName filename for the temporary file, must not contain any path segments, never
   *     null.
   * @param content the content to write to the file, never null.
   * @return <em>true</em> on success, <em>false</em> on failure.
   */
  public static boolean storeTemporaryFile(String fileName, String type, String content) {
    if (log.isTraceEnabled())
      log.trace(
          "storeTemporaryFile() - fileName: "
              + fileName
              + ", type:"
              + type
              + ", content: "
              + CoreStringUtils.truncateString(content));
    assert (fileName != null && content != null && type != null);

    IPath stateLoc = CPCStoreRemoteLMIPlugin.getDefault().getStateLocation().makeAbsolute();
    stateLoc.append("temp");
    File tmpFile = new File(stateLoc.toString(), fileName + "." + type);

    try {
      BufferedWriter bw = new BufferedWriter(new FileWriter(tmpFile));
      bw.write(content);
      bw.close();
    } catch (IOException e) {
      log.error(
          "storeTemporaryFile() - unable to write file - file: "
              + tmpFile
              + ", content: "
              + CoreStringUtils.truncateString(content)
              + " - "
              + e,
          e);
      return false;
    }

    return true;
  }
Example #2
0
  /**
   * Reads the content of a temporary file within the state location of this plugin.<br>
   * The naming scheme for the temporary file is "<em>baseName</em>.<em>type</em>".
   *
   * @param fileName filename of the temporary file, must not contain any path segments, never null.
   * @return the content of the temporary file or NULL if the file doesn't exist or couldn't be
   *     read.
   */
  public static String readTemporaryFile(String fileName, String type) {
    if (log.isTraceEnabled())
      log.trace("readTemporaryFile() - fileName: " + fileName + ", type:" + type);
    assert (fileName != null && type != null);

    IPath stateLoc = CPCStoreRemoteLMIPlugin.getDefault().getStateLocation().makeAbsolute();
    stateLoc.append("temp");
    File tmpFile = new File(stateLoc.toString(), fileName + "." + type);

    String result = null;

    if (tmpFile.exists()) {
      if (tmpFile.length() == 0) {
        result = "";
      } else {
        try {
          char[] buf = new char[(int) tmpFile.length()];
          BufferedReader br = new BufferedReader(new FileReader(tmpFile));
          int read = br.read(buf);
          br.close();

          result = new String(buf, 0, read);
        } catch (IOException e) {
          log.error("readTemporaryFile() - unable to read file - file: " + tmpFile + " - " + e, e);
          result = null;
        }
      }
    }

    if (log.isTraceEnabled())
      log.trace("readTemporaryFile() - result: " + CoreStringUtils.truncateString(result));

    return result;
  }