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
018package org.apache.commons.exec.launcher;
019
020import java.io.File;
021import java.io.IOException;
022import java.util.Map;
023
024import org.apache.commons.exec.CommandLine;
025import org.apache.commons.exec.environment.EnvironmentUtils;
026
027/**
028 * A command launcher for JDK/JRE 1.3 (and higher). Uses the built-in Runtime.exec() command.
029 */
030public class Java13CommandLauncher extends CommandLauncherImpl {
031
032    /**
033     * Constructs a new instance.
034     */
035    public Java13CommandLauncher() {
036    }
037
038    /**
039     * Launches the given command in a new process, in the given working directory.
040     *
041     * @param cmd        the command line to execute as an array of strings.
042     * @param env        the environment to set as an array of strings.
043     * @param workingDir the working directory where the command should run.
044     * @throws IOException probably forwarded from {@link Runtime#exec(String[], String[], File)}.
045     */
046    @Override
047    public Process exec(final CommandLine cmd, final Map<String, String> env, final File workingDir) throws IOException {
048        return Runtime.getRuntime().exec(cmd.toStrings(), EnvironmentUtils.toStrings(env), workingDir);
049    }
050}