/*
* This file is part of muCommander, http://www.mucommander.com
* Copyright (C) 2002-2016 Maxence Bernard
*
* muCommander is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* muCommander is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.mucommander.process;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Listener used while in debug mode.
* <p>
* In debug mode, instances of this listener will automatically be registered to non-monitored processes.
* Its only goal is to output information about the process' state.
* </p>
* @author Nicolas Rinaudo
*/
class DebugProcessListener implements ProcessListener {
private static final Logger LOGGER = LoggerFactory.getLogger(DebugProcessListener.class);
// - Instance fields -----------------------------------------------------
// -----------------------------------------------------------------------
/** Command that this listener is monitoring. */
private String command;
// - Initialisastion -----------------------------------------------------
// -----------------------------------------------------------------------
/**
* Creates a new process listener monitoring the specified command.
* @param tokens tokens that compose the command that is being ran.
*/
public DebugProcessListener(String[] tokens) {
StringBuilder buffer;
// Rebuilds the command.
buffer = new StringBuilder();
for (String token : tokens) {
buffer.append(token);
buffer.append(' ');
}
command = buffer.toString();
}
// - Process monitoring --------------------------------------------------
// -----------------------------------------------------------------------
/**
* Prints out information about the way the process died.
* @param returnValue process' return value.
*/
public void processDied(int returnValue) {
LOGGER.debug(command + ": died with return code " + returnValue);
}
/**
* Ignored.
*/
public void processOutput(byte[] buffer, int offset, int length) {
LOGGER.trace(command + ": " + new String(buffer, offset, length));
}
/**
* Prints out the process output.
*/
public void processOutput(String output) {
LOGGER.trace(command + ": " + output);
}
}