org.jbpm.ant.Launcher Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jbpm-jpdl Show documentation
The newest version!
/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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.jbpm.ant;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;

public class Launcher extends Thread {

  Task task;
  String command;
  String endMsg;

  public Launcher(Task task, String command, String endMsg) {
    this.task = task;
    this.command = command;
    this.endMsg = endMsg;
  }

  public void run() {
    try {
      task.log("starting '" + command + "'...");
      Process process = Runtime.getRuntime().exec(command);
      BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
      String line = "";
      while (line.indexOf(endMsg) == -1) {
        line = reader.readLine();
        task.log(line);
      }
      task.log("'" + command + "' started.");
    } catch (IOException e) {
      throw new BuildException("couldn't start '" + command + "'", e);
    }
  }

}