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