/* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* <p/>
* This library 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
* Lesser General Public License for more details.
*/
package org.rzo.yajsw.script;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.rzo.yajsw.wrapper.WrappedProcess;
// TODO: Auto-generated Javadoc
/**
* The Class AbstractScript.
*/
public abstract class AbstractScript implements Script
{
/** The _name. */
String _name;
/** The _timeout. */
int _timeout = 30000;
WrappedProcess _process;
String _id;
String[] _args;
static ExecutorService pool = Executors.newCachedThreadPool();
/**
* Instantiates a new abstract script.
*
* @param script
* the script
* @param timeout
*/
public AbstractScript(String script, String id, WrappedProcess process, String[] args, int timeout)
{
_name = script;
_process = process;
_id = id;
_args = args;
if (timeout > 0)
_timeout = timeout * 1000;
}
/*
* (non-Javadoc)
*
* @see org.rzo.yajsw.script.Script#execute(java.lang.String,
* java.lang.String, java.lang.String, java.lang.String, java.lang.String,
* java.lang.String, java.lang.Object)
*/
public abstract Object execute(String line);
public Object executeWithTimeout(final String line)
{
final Future future = pool.submit(new Callable<Object>()
{
public Object call()
{
return execute(line);
}
});
try
{
return future.get(_timeout, TimeUnit.MILLISECONDS);
}
catch (Exception e)
{
System.out.println("script did not terminate within " + _timeout + " ms");
future.cancel(true);
return null;
}
}
/*
* (non-Javadoc)
*
* @see org.rzo.yajsw.script.Script#getScript()
*/
public String getScript()
{
return _name;
}
/**
* Gets the timeout.
*
* @return the timeout
*/
public int getTimeout()
{
return _timeout;
}
/**
* Sets the timeout.
*
* @param timeout
* the new timeout
*/
public void setTimeout(int timeout)
{
_timeout = timeout;
}
}