Java Code Examples for org.apache.hadoop.hdfs.util.MD5FileUtils#readStoredMd5ForFile()

The following examples show how to use org.apache.hadoop.hdfs.util.MD5FileUtils#readStoredMd5ForFile() . 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: FSImage.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
/**
 * Load the image namespace from the given image file, verifying
 * it against the MD5 sum stored in its associated .md5 file.
 */
private void loadFSImage(File imageFile, FSNamesystem target,
    MetaRecoveryContext recovery, boolean requireSameLayoutVersion)
    throws IOException {
  MD5Hash expectedMD5 = MD5FileUtils.readStoredMd5ForFile(imageFile);
  if (expectedMD5 == null) {
    throw new IOException("No MD5 file found corresponding to image file "
        + imageFile);
  }
  loadFSImage(imageFile, expectedMD5, target, recovery,
      requireSameLayoutVersion);
}
Example 2
Source File: ImageServlet.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
/**
 * Set headers for content length, and, if available, md5.
 * @throws IOException 
 */
public static void setVerificationHeadersForGet(HttpServletResponse response,
    File file) throws IOException {
  response.setHeader(TransferFsImage.CONTENT_LENGTH,
      String.valueOf(file.length()));
  MD5Hash hash = MD5FileUtils.readStoredMd5ForFile(file);
  if (hash != null) {
    response.setHeader(TransferFsImage.MD5_HEADER, hash.toString());
  }
}
Example 3
Source File: ImageServlet.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
/**
 * Set headers for image length and if available, md5.
 * 
 * @throws IOException
 */
static void setVerificationHeadersForPut(HttpURLConnection connection,
    File file) throws IOException {
  connection.setRequestProperty(TransferFsImage.CONTENT_LENGTH,
      String.valueOf(file.length()));
  MD5Hash hash = MD5FileUtils.readStoredMd5ForFile(file);
  if (hash != null) {
    connection
        .setRequestProperty(TransferFsImage.MD5_HEADER, hash.toString());
  }
}
Example 4
Source File: FSImage.java    From big-c with Apache License 2.0 5 votes vote down vote up 
/**
 * Load the image namespace from the given image file, verifying
 * it against the MD5 sum stored in its associated .md5 file.
 */
private void loadFSImage(File imageFile, FSNamesystem target,
    MetaRecoveryContext recovery, boolean requireSameLayoutVersion)
    throws IOException {
  MD5Hash expectedMD5 = MD5FileUtils.readStoredMd5ForFile(imageFile);
  if (expectedMD5 == null) {
    throw new IOException("No MD5 file found corresponding to image file "
        + imageFile);
  }
  loadFSImage(imageFile, expectedMD5, target, recovery,
      requireSameLayoutVersion);
}
Example 5
Source File: ImageServlet.java    From big-c with Apache License 2.0 5 votes vote down vote up 
/**
 * Set headers for content length, and, if available, md5.
 * @throws IOException 
 */
public static void setVerificationHeadersForGet(HttpServletResponse response,
    File file) throws IOException {
  response.setHeader(TransferFsImage.CONTENT_LENGTH,
      String.valueOf(file.length()));
  MD5Hash hash = MD5FileUtils.readStoredMd5ForFile(file);
  if (hash != null) {
    response.setHeader(TransferFsImage.MD5_HEADER, hash.toString());
  }
}
Example 6
Source File: ImageServlet.java    From big-c with Apache License 2.0 5 votes vote down vote up 
/**
 * Set headers for image length and if available, md5.
 * 
 * @throws IOException
 */
static void setVerificationHeadersForPut(HttpURLConnection connection,
    File file) throws IOException {
  connection.setRequestProperty(TransferFsImage.CONTENT_LENGTH,
      String.valueOf(file.length()));
  MD5Hash hash = MD5FileUtils.readStoredMd5ForFile(file);
  if (hash != null) {
    connection
        .setRequestProperty(TransferFsImage.MD5_HEADER, hash.toString());
  }
}