org.artofsolving.jodconverter.process.SigarProcessManager Maven / Gradle / Ivy
//
// JODConverter - Java OpenDocument Converter
// Copyright 2004-2012 Mirko Nasato and contributors
//
// JODConverter is Open Source software, you can redistribute it and/or
// modify it under either (at your option) of the following licenses
//
// 1. The GNU Lesser General Public License v3 (or later)
// -> http://www.gnu.org/licenses/lgpl-3.0.txt
// 2. The Apache License, Version 2.0
// -> http://www.apache.org/licenses/LICENSE-2.0.txt
//
package org.artofsolving.jodconverter.process;
import java.io.IOException;
import org.hyperic.sigar.Sigar;
import org.hyperic.sigar.SigarException;
import org.hyperic.sigar.ptql.ProcessFinder;
/**
* {@link ProcessManager} implementation that uses the SIGAR library.
*
* Requires the sigar.jar in the classpath and the appropriate system-specific
* native library (e.g. libsigar-x86-linux.so on Linux x86) available
* in the java.library.path.
*
* See the SIGAR site
* for documentation and downloads.
*/
public class SigarProcessManager implements ProcessManager {
public long findPid(ProcessQuery query) throws IOException {
Sigar sigar = new Sigar();
try {
long[] pids = ProcessFinder.find(sigar, "State.Name.eq=" + query.getCommand());
for (int i = 0; i < pids.length; i++) {
String[] arguments = sigar.getProcArgs(pids[i]);
if (arguments != null && argumentMatches(arguments, query.getArgument())) {
return pids[i];
}
}
return PID_NOT_FOUND;
} catch (SigarException sigarException) {
throw new IOException("findPid failed", sigarException);
} finally {
sigar.close();
}
}
public void kill(Process process, long pid) throws IOException {
Sigar sigar = new Sigar();
try {
sigar.kill(pid, Sigar.getSigNum("KILL"));
} catch (SigarException sigarException) {
throw new IOException("kill failed", sigarException);
} finally {
sigar.close();
}
}
private boolean argumentMatches(String[] arguments, String expected) {
for (String argument : arguments) {
if (argument.contains(expected)) {
return true;
}
}
return false;
}
}