001/* 
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 *  contributor license agreements.  See the NOTICE file distributed with
004 *  this work for additional information regarding copyright ownership.
005 *  The ASF licenses this file to You under the Apache License, Version 2.0
006 *  (the "License"); you may not use this file except in compliance with
007 *  the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 *  Unless required by applicable law or agreed to in writing, software
012 *  distributed under the License is distributed on an "AS IS" BASIS,
013 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 *  See the License for the specific language governing permissions and
015 *  limitations under the License.
016 *
017 */
018
019package org.apache.commons.exec.launcher;
020
021import java.io.File;
022import java.io.IOException;
023import java.util.Map;
024
025import org.apache.commons.exec.CommandLine;
026import org.apache.commons.exec.environment.EnvironmentUtils;
027
028/**
029 * A command launcher for JDK/JRE 1.3 (and higher). Uses the built-in
030 * Runtime.exec() command
031 *
032 * @version $Id: Java13CommandLauncher.java 1557338 2014-01-11 10:34:22Z sebb $
033 */
034public class Java13CommandLauncher extends CommandLauncherImpl {
035
036    /**
037     * Constructor
038     */
039    public Java13CommandLauncher() {
040    }
041
042    /**
043     * Launches the given command in a new process, in the given working
044     * directory
045     * 
046     * @param cmd
047     *            the command line to execute as an array of strings
048     * @param env
049     *            the environment to set as an array of strings
050     * @param workingDir
051     *            the working directory where the command should run
052     * @throws IOException
053     *             probably forwarded from Runtime#exec
054     */
055    @Override
056    public Process exec(final CommandLine cmd, final Map<String, String> env,
057            final File workingDir) throws IOException {
058
059        final String[] envVars = EnvironmentUtils.toStrings(env);
060
061        return Runtime.getRuntime().exec(cmd.toStrings(),
062                envVars, workingDir);
063    }
064}