How to use

readRef

method

in

org.jboss.as.patching.runner.PatchUtils

public static TargetInfo loadTargetInfo(final Properties properties, final DirectoryStructure structure) {
  final String ref = PatchUtils.readRef(properties, Constants.CUMULATIVE);
  final List<String> patches = PatchUtils.readRefs(properties);
  return new TargetInfoImpl(properties, ref, patches, structure);
}

public static String readRef(final File file) throws IOException {
  if(! file.exists()) {
    return Constants.BASE;
  }
  final InputStream is = new FileInputStream(file);
  try {
    return readRef(is);
  } finally {
    safeClose(is);
  }
}

public static TargetInfo loadTargetInfo(final Properties properties, final DirectoryStructure structure) {
  final String ref = PatchUtils.readRef(properties, Constants.CUMULATIVE);
  final List<String> patches = PatchUtils.readRefs(properties);
  return new TargetInfoImpl(properties, ref, patches, structure);
}

public static String readRef(final File file) throws IOException {
  if(! file.exists()) {
    return Constants.BASE;
  }
  final InputStream is = new FileInputStream(file);
  try {
    return readRef(is);
  } finally {
    safeClose(is);
  }
}

private String getAppliedAt(File patchDir) throws PatchingException {
  File timestampFile = new File(patchDir, Constants.TIMESTAMP);
  try {
    return timestampFile.exists() ? PatchUtils.readRef(timestampFile) : null;
  } catch (IOException e) {
    throw new PatchingException(PatchLogger.ROOT_LOGGER.fileIsNotReadable(timestampFile.getAbsolutePath()));
  }
}

private String getAppliedAt(File patchDir) throws PatchingException {
  File timestampFile = new File(patchDir, Constants.TIMESTAMP);
  try {
    return timestampFile.exists() ? PatchUtils.readRef(timestampFile) : null;
  } catch (IOException e) {
    throw new PatchingException(PatchLogger.ROOT_LOGGER.fileIsNotReadable(timestampFile.getAbsolutePath()));
  }
}