ExecuteCommand.java

/*
 * JOSSO: Java Open Single Sign-On
 *
 * Copyright 2004-2009, Atricore, Inc.
 *
 * This 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.
 *
 * This software 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.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 *
 */

package org.josso.tooling.gshell.core.commands.utils;

import org.apache.geronimo.gshell.command.annotation.CommandComponent;
import org.apache.geronimo.gshell.clp.Argument;
import org.apache.geronimo.gshell.common.io.PumpStreamHandler;
import org.josso.tooling.gshell.core.support.JOSSOCommandSupport;

import java.util.List;

/**
 * Execute system processes.
 *
 * @version $Rev: 974 $ $Date: 2009-01-13 22:39:45 -0200 (Tue, 13 Jan 2009) $
 */
@CommandComponent(id="utils:exec", description="Execute system processes")
public class ExecuteCommand extends JOSSOCommandSupport
{

    @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);
        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;
    }
}