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; 026 027/** 028 * A command launcher for Windows XP/2000/NT that uses 'cmd.exe' when launching 029 * commands in directories other than the current working directory. 030 * 031 * @version $Id: WinNTCommandLauncher.java 1557338 2014-01-11 10:34:22Z sebb $ 032 */ 033public class WinNTCommandLauncher extends CommandLauncherProxy { 034 public WinNTCommandLauncher(final CommandLauncher launcher) { 035 super(launcher); 036 } 037 038 /** 039 * Launches the given command in a new process, in the given working 040 * directory. 041 * 042 * @param cmd 043 * the command line to execute as an array of strings 044 * @param env 045 * the environment to set as an array of strings 046 * @param workingDir 047 * working directory where the command should run 048 * @throws IOException 049 * forwarded from the exec method of the command launcher 050 */ 051 @Override 052 public Process exec(final CommandLine cmd, final Map<String, String> env, 053 final File workingDir) throws IOException { 054 if (workingDir == null) { 055 return exec(cmd, env); 056 } 057 058 // Use cmd.exe to change to the specified directory before running 059 // the command 060 final CommandLine newCmd = new CommandLine("cmd"); 061 newCmd.addArgument("/c"); 062 newCmd.addArguments(cmd.toStrings()); 063 064 return exec(newCmd, env); 065 } 066}