Java Code Examples for org.znerd.xmlenc.XMLOutputter#declaration()

The following examples show how to use org.znerd.xmlenc.XMLOutputter#declaration() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: FileChecksumServlets.java From hadoop with Apache License 2.0

6 votes

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response
    ) throws ServletException, IOException {
  final PrintWriter out = response.getWriter();
  final String path = ServletUtil.getDecodedPath(request, "/getFileChecksum");
  final XMLOutputter xml = new XMLOutputter(out, "UTF-8");
  xml.declaration();

  final ServletContext context = getServletContext();
  final DataNode datanode = (DataNode) context.getAttribute("datanode");
  final Configuration conf = 
    new HdfsConfiguration(datanode.getConf());
  
  try {
    final DFSClient dfs = DatanodeJspHelper.getDFSClient(request, 
        datanode, conf, getUGI(request, conf));
    final MD5MD5CRC32FileChecksum checksum = dfs.getFileChecksum(path, Long.MAX_VALUE);
    MD5MD5CRC32FileChecksum.write(xml, checksum);
  } catch(IOException ioe) {
    writeXml(ioe, path, xml);
  } catch (InterruptedException e) {
    writeXml(e, path, xml);
  }
  xml.endDocument();
}

Example 2

Source File: FileChecksumServlets.java From big-c with Apache License 2.0

6 votes

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response
    ) throws ServletException, IOException {
  final PrintWriter out = response.getWriter();
  final String path = ServletUtil.getDecodedPath(request, "/getFileChecksum");
  final XMLOutputter xml = new XMLOutputter(out, "UTF-8");
  xml.declaration();

  final ServletContext context = getServletContext();
  final DataNode datanode = (DataNode) context.getAttribute("datanode");
  final Configuration conf = 
    new HdfsConfiguration(datanode.getConf());
  
  try {
    final DFSClient dfs = DatanodeJspHelper.getDFSClient(request, 
        datanode, conf, getUGI(request, conf));
    final MD5MD5CRC32FileChecksum checksum = dfs.getFileChecksum(path, Long.MAX_VALUE);
    MD5MD5CRC32FileChecksum.write(xml, checksum);
  } catch(IOException ioe) {
    writeXml(ioe, path, xml);
  } catch (InterruptedException e) {
    writeXml(e, path, xml);
  }
  xml.endDocument();
}

Example 3

Source File: FileChecksumServlets.java From hadoop-gpu with Apache License 2.0

6 votes

/** {@inheritDoc} */
public void doGet(HttpServletRequest request, HttpServletResponse response
    ) throws ServletException, IOException {
  final UnixUserGroupInformation ugi = getUGI(request);
  final PrintWriter out = response.getWriter();
  final String filename = getFilename(request, response);
  final XMLOutputter xml = new XMLOutputter(out, "UTF-8");
  xml.declaration();

  final Configuration conf = new Configuration(DataNode.getDataNode().getConf());
  final int socketTimeout = conf.getInt("dfs.socket.timeout", HdfsConstants.READ_TIMEOUT);
  final SocketFactory socketFactory = NetUtils.getSocketFactory(conf, ClientProtocol.class);
  UnixUserGroupInformation.saveToConf(conf,
      UnixUserGroupInformation.UGI_PROPERTY_NAME, ugi);
  final ClientProtocol nnproxy = DFSClient.createNamenode(conf);

  try {
    final MD5MD5CRC32FileChecksum checksum = DFSClient.getFileChecksum(
        filename, nnproxy, socketFactory, socketTimeout);
    MD5MD5CRC32FileChecksum.write(xml, checksum);
  } catch(IOException ioe) {
    new RemoteException(ioe.getClass().getName(), ioe.getMessage()
        ).writeXml(filename, xml);
  }
  xml.endDocument();
}

Example 4

Source File: FileChecksumServlets.java From RDFS with Apache License 2.0

5 votes

/** {@inheritDoc} */
public void doGet(HttpServletRequest request, HttpServletResponse response
    ) throws ServletException, IOException {
  final UnixUserGroupInformation ugi = getUGI(request);
  final PrintWriter out = response.getWriter();
  final String filename = getFilename(request, response);
  final XMLOutputter xml = new XMLOutputter(out, "UTF-8");
  xml.declaration();

  Configuration daemonConf = (Configuration) getServletContext()
    .getAttribute(HttpServer.CONF_CONTEXT_ATTRIBUTE);
  final Configuration conf = (daemonConf == null) ? new Configuration()
    : new Configuration(daemonConf);
  final int socketTimeout = conf.getInt("dfs.socket.timeout", HdfsConstants.READ_TIMEOUT);
  final SocketFactory socketFactory = NetUtils.getSocketFactory(conf, ClientProtocol.class);
  UnixUserGroupInformation.saveToConf(conf,
      UnixUserGroupInformation.UGI_PROPERTY_NAME, ugi);
  final ProtocolProxy<ClientProtocol> nnproxy =
    DFSClient.createRPCNamenode(conf);

  try {
    final MD5MD5CRC32FileChecksum checksum = DFSClient.getFileChecksum(
        DataTransferProtocol.DATA_TRANSFER_VERSION,
        filename, nnproxy.getProxy(), nnproxy, socketFactory, socketTimeout);
    MD5MD5CRC32FileChecksum.write(xml, checksum);
  } catch(IOException ioe) {
    new RemoteException(ioe.getClass().getName(), ioe.getMessage()
        ).writeXml(filename, xml);
  }
  xml.endDocument();
}