/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.geronimo.gshell.commands.utils;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;
import org.apache.geronimo.gshell.clp.Argument;
import org.apache.geronimo.gshell.command.IO;
import org.apache.geronimo.gshell.command.annotation.CommandComponent;
import org.apache.geronimo.gshell.common.io.PumpStreamHandler;
import org.apache.geronimo.gshell.common.io.StreamPumper;
import org.apache.geronimo.gshell.spring.ProxyIO;
import org.apache.geronimo.gshell.support.OsgiCommandSupport;
/**
* Execute system processes.
*
* @version $Rev: 593392 $ $Date: 2007-11-09 03:14:15 +0100 (Fri, 09 Nov 2007) $
*/
@CommandComponent(id="utils:exec", description="Execute system processes")
public class ExecuteCommand extends OsgiCommandSupport
{
@Argument(description="Argument", required=true)
private List<String> args;
protected Object doExecute() throws Exception {
ProcessBuilder builder = new ProcessBuilder(args);
log.info("Executing: {}", builder.command());
Process p = builder.start();
PumpStreamHandler handler = new PumpStreamHandler(io.inputStream, io.outputStream, io.errorStream) {
protected Thread createPump(final InputStream in, final OutputStream out, final boolean closeWhenExhausted) {
assert in != null;
assert out != null;
final Thread result = new Thread(new StreamPumper(in, out, closeWhenExhausted)) {
private IO io;
public void start() {
io = ProxyIO.getIO();
super.start();
}
public void run() {
ProxyIO.setIO(io);
super.run();
}
};
result.setDaemon(true);
return result;
}
};
handler.attach(p);
handler.start();
log.debug("Waiting for process to exit...");
int status = p.waitFor();
log.info("Process exited w/status: {}", status);
handler.stop();
return status;
}
}