Пример #1
0
  /**
   * @param sourceFile File to read from
   * @return List of String objects with the shas
   */
  public static FileRequestFileContent readRequestFile(final File sourceFile) {
    if (!sourceFile.isFile() || !(sourceFile.length() > 0)) {
      return null;
    }
    Document d = null;
    try {
      d = XMLTools.parseXmlFile(sourceFile.getPath());
    } catch (final Throwable t) {
      logger.log(Level.SEVERE, "Exception in readRequestFile, during XML parsing", t);
      return null;
    }

    if (d == null) {
      logger.log(Level.SEVERE, "Could'nt parse the request file");
      return null;
    }

    final Element rootNode = d.getDocumentElement();

    if (rootNode.getTagName().equals(TAG_FrostFileRequestFile) == false) {
      logger.severe(
          "Error: xml request file does not contain the root tag '"
              + TAG_FrostFileRequestFile
              + "'");
      return null;
    }

    final String timeStampStr = XMLTools.getChildElementsTextValue(rootNode, TAG_timestamp);
    if (timeStampStr == null) {
      logger.severe("Error: xml file does not contain the tag '" + TAG_timestamp + "'");
      return null;
    }
    final long timestamp = Long.parseLong(timeStampStr);

    final List<Element> nodelist = XMLTools.getChildElementsByTagName(rootNode, TAG_shaList);
    if (nodelist.size() != 1) {
      logger.severe("Error: xml request files must contain only one element '" + TAG_shaList + "'");
      return null;
    }

    final Element rootShaNode = nodelist.get(0);

    final List<String> shaList = new LinkedList<String>();
    final List<Element> xmlKeys = XMLTools.getChildElementsByTagName(rootShaNode, TAG_sha);
    for (final Element el : xmlKeys) {

      final Text txtname = (Text) el.getFirstChild();
      if (txtname == null) {
        continue;
      }

      final String sha = txtname.getData();
      shaList.add(sha);
    }

    final FileRequestFileContent content = new FileRequestFileContent(timestamp, shaList);
    return content;
  }
Пример #2
0
  /**
   * @param chkKeys List of String objects with the shas
   * @param targetFile target file
   * @return true if write was successful
   */
  public static boolean writeRequestFile(
      final FileRequestFileContent content, final File targetFile) {

    final Document doc = XMLTools.createDomDocument();
    if (doc == null) {
      logger.severe("Error - writeRequestFile: factory could'nt create XML Document.");
      return false;
    }

    final Element rootElement = doc.createElement(TAG_FrostFileRequestFile);
    doc.appendChild(rootElement);

    final Element timeStampElement = doc.createElement(TAG_timestamp);
    final Text timeStampText = doc.createTextNode(Long.toString(content.getTimestamp()));
    timeStampElement.appendChild(timeStampText);
    rootElement.appendChild(timeStampElement);

    final Element rootChkElement = doc.createElement(TAG_shaList);
    rootElement.appendChild(rootChkElement);

    for (final String chkKey : content.getShaStrings()) {

      final Element nameElement = doc.createElement(TAG_sha);
      final Text text = doc.createTextNode(chkKey);
      nameElement.appendChild(text);

      rootChkElement.appendChild(nameElement);
    }

    boolean writeOK = false;
    try {
      writeOK = XMLTools.writeXmlFile(doc, targetFile);
    } catch (final Throwable t) {
      logger.log(Level.SEVERE, "Exception in writeRequestFile/writeXmlFile", t);
    }

    return writeOK;
  }