How to use

close

method

in

hudson.util.StreamTaskListener

/**
 * Closes this listener and swallows any exceptions, if raised.
 *
 * @since 1.349
 */
public void closeQuietly() {
  try {
    close();
  } catch (IOException e) {
    LOGGER.log(Level.WARNING,"Failed to close",e);
  }
}

private boolean runPolling() {
  try {
    // to make sure that the log file contains up-to-date text,
    // don't do buffering.
    StreamTaskListener listener = new StreamTaskListener(getLogFile());
    try {
      PrintStream logger = listener.getLogger();
      long start = System.currentTimeMillis();
      logger.println("Started on "+ DateFormat.getDateTimeInstance().format(new Date()));
      boolean result = job().poll(listener).hasChanges();
      logger.println("Done. Took "+ Util.getTimeSpanString(System.currentTimeMillis()-start));
      if(result)
        logger.println("Changes found");
      else
        logger.println("No changes");
      return result;
    } catch (Error | RuntimeException e) {
      Functions.printStackTrace(e, listener.error("Failed to record SCM polling for " + job));
      LOGGER.log(Level.SEVERE,"Failed to record SCM polling for "+job,e);
      throw e;
    } finally {
      listener.close();
    }
  } catch (IOException e) {
    LOGGER.log(Level.SEVERE,"Failed to record SCM polling for "+job,e);
    return false;
  }
}

@Override
public void run() {
  ACL.impersonate(ACL.SYSTEM);
  StreamTaskListener listener = null;
  try {
    listener = new StreamTaskListener(getLogFile());
    try {
      doRun(listener);
    } finally {
      listener.close();
    }
  } catch (IOException ex) {
    if (listener == null) {
      LOGGER.log(Level.SEVERE, "Cannot create listener for " + getName(), ex);
      //TODO: throw IllegalStateException?
    } else {
      LOGGER.log(Level.WARNING, "Cannot close listener for " + getName(), ex);
    }
  }
 }

/**
 * Closes this listener and swallows any exceptions, if raised.
 *
 * @since 1.349
 */
public void closeQuietly() {
  try {
    close();
  } catch (IOException e) {
    LOGGER.log(Level.WARNING,"Failed to close",e);
  }
}

/**
 * Closes this listener and swallows any exceptions, if raised.
 *
 * @since 1.349
 */
public void closeQuietly() {
  try {
    close();
  } catch (IOException e) {
    LOGGER.log(Level.WARNING,"Failed to close",e);
  }
}

/**
 * Closes this listener and swallows any exceptions, if raised.
 *
 * @since 1.349
 */
public void closeQuietly() {
  try {
    close();
  } catch (IOException e) {
    LOGGER.log(Level.WARNING,"Failed to close",e);
  }
}

/**
 * Closes this listener and swallows any exceptions, if raised.
 *
 * @since 1.349
 */
public void closeQuietly() {
  try {
    close();
  } catch (IOException e) {
    LOGGER.log(Level.WARNING,"Failed to close",e);
  }
}

/**
 * Closes this listener and swallows any exceptions, if raised.
 *
 * @since 1.349
 */
public void closeQuietly() {
  try {
    close();
  } catch (IOException e) {
    LOGGER.log(Level.WARNING, "Failed to close", e);
  }
}
private static final long serialVersionUID = 1L;

private boolean runPolling() {
  try {
    // to make sure that the log file contains up-to-date text,
    // don't do buffering.
    StreamTaskListener listener = new StreamTaskListener(getLogFile());
    try {
      PrintStream logger = listener.getLogger();
      long start = System.currentTimeMillis();
      logger.println("Started on "+ DateFormat.getDateTimeInstance().format(new Date()));
      boolean result = job().poll(listener).hasChanges();
      logger.println("Done. Took "+ Util.getTimeSpanString(System.currentTimeMillis()-start));
      if(result)
        logger.println("Changes found");
      else
        logger.println("No changes");
      return result;
    } catch (Error | RuntimeException e) {
      Functions.printStackTrace(e, listener.error("Failed to record SCM polling for " + job));
      LOGGER.log(Level.SEVERE,"Failed to record SCM polling for "+job,e);
      throw e;
    } finally {
      listener.close();
    }
  } catch (IOException e) {
    LOGGER.log(Level.SEVERE,"Failed to record SCM polling for "+job,e);
    return false;
  }
}

  throw e;
} finally {
  listener.close();

  throw e;
} finally {
  listener.close();

  throw e;
} finally {
  listener.close();

  throw e;
} finally {
  listener.close();

  throw e;
} finally {
  listener.close();

private boolean runPolling() {
  try {
    StreamTaskListener listener = new StreamTaskListener(getLogFile());
    try {
      PrintStream logger = listener.getLogger();
      long start = System.currentTimeMillis();
      logger.println("Started on "+ DateFormat.getDateTimeInstance().format(new Date()));
      boolean result = SCMTriggerItem.SCMTriggerItems.asSCMTriggerItem(job).poll(listener).hasChanges();
      logger.println("Done. Took "+ Util.getTimeSpanString(System.currentTimeMillis()-start));
      if(result)
        logger.println("Changes found");
      else
        logger.println("No changes");
      return result;
    } catch (Error e) {
      e.printStackTrace(listener.error("Failed to record SCM polling"));
      LOGGER.log(Level.SEVERE,"Failed to record SCM polling",e);
      throw e;
    } catch (RuntimeException e) {
      e.printStackTrace(listener.error("Failed to record SCM polling"));
      LOGGER.log(Level.SEVERE,"Failed to record SCM polling",e);
      throw e;
    } finally {
      listener.close();
    }
  } catch (IOException e) {
    LOGGER.log(Level.SEVERE,"Failed to record SCM polling",e);
  }
  return false;
}

  throw e;
} finally {
  listener.close();

@Override
public void run() {
  ACL.impersonate(ACL.SYSTEM);
  StreamTaskListener listener = null;
  try {
    listener = new StreamTaskListener(getLogFile());
    try {
      doRun(listener);
    } finally {
      listener.close();
    }
  } catch (IOException ex) {
    if (listener == null) {
      LOGGER.log(Level.SEVERE, "Cannot create listener for " + getName(), ex);
      //TODO: throw IllegalStateException?
    } else {
      LOGGER.log(Level.WARNING, "Cannot close listener for " + getName(), ex);
    }
  }
 }