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 a particular JVM/OS platform. This class is a general 030 * purpose command launcher which can only launch commands in the current 031 * working directory. 032 * 033 * @version $Id: CommandLauncherImpl.java 1557338 2014-01-11 10:34:22Z sebb $ 034 */ 035public abstract class CommandLauncherImpl implements CommandLauncher { 036 037 public Process exec(final CommandLine cmd, final Map<String, String> env) 038 throws IOException { 039 final String[] envVar = EnvironmentUtils.toStrings(env); 040 return Runtime.getRuntime().exec(cmd.toStrings(), envVar); 041 } 042 043 public abstract Process exec(final CommandLine cmd, final Map<String, String> env, 044 final File workingDir) throws IOException; 045 046 /** @see org.apache.commons.exec.launcher.CommandLauncher#isFailure(int) */ 047 public boolean isFailure(final int exitValue) 048 { 049 // non zero exit value signals failure 050 return exitValue != 0; 051 } 052}