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    
019    package org.apache.commons.exec.launcher;
020    
021    import java.io.File;
022    import java.io.IOException;
023    import java.util.Map;
024    
025    import org.apache.commons.exec.CommandLine;
026    import 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    public class Java13CommandLauncher extends CommandLauncherImpl {
033    
034        /**
035         * Constructor
036         */
037        public Java13CommandLauncher() {
038            }
039    
040            /**
041             * Launches the given command in a new process, in the given working
042             * directory
043             * 
044             * @param cmd
045             *            the command line to execute as an array of strings
046             * @param env
047             *            the environment to set as an array of strings
048             * @param workingDir
049             *            the working directory where the command should run
050             * @throws IOException
051             *             probably forwarded from Runtime#exec
052             */
053            public Process exec(final CommandLine cmd, final Map env,
054                            final File workingDir) throws IOException {
055    
056                    String[] envVars = EnvironmentUtils.toStrings(env);
057    
058                    return Runtime.getRuntime().exec(cmd.toStrings(),
059                    envVars, workingDir);
060            }
061    }