1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.exec.launcher;
19
20 import java.io.File;
21 import java.io.IOException;
22 import java.util.Map;
23
24 import org.apache.commons.exec.CommandLine;
25 import org.apache.commons.exec.environment.EnvironmentUtils;
26
27 /**
28 * A command launcher for a particular JVM/OS platform. This class is a general purpose command launcher which can only launch commands in the current working
29 * directory.
30 */
31 public abstract class CommandLauncherImpl implements CommandLauncher {
32
33 @Override
34 public Process exec(final CommandLine cmd, final Map<String, String> env) throws IOException {
35 return Runtime.getRuntime().exec(cmd.toStrings(), EnvironmentUtils.toStrings(env));
36 }
37
38 @Override
39 public abstract Process exec(final CommandLine cmd, final Map<String, String> env, final File workingDir) throws IOException;
40
41 /** @see org.apache.commons.exec.launcher.CommandLauncher#isFailure(int) */
42 @Override
43 public boolean isFailure(final int exitValue) {
44 // non zero exit value signals failure
45 return exitValue != 0;
46 }
47 }