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Java > Open Source Codes > org > apache > tools > ant > helper > DefaultExecutor


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
19 package org.apache.tools.ant.helper;
20
21 import org.apache.tools.ant.Project;
22 import org.apache.tools.ant.Executor;
23 import org.apache.tools.ant.BuildException;
24
25 /**
26  * Default Target executor implementation. Runs each target individually
27  * (including all of its dependencies). If an error occurs, behavior is
28  * determined by the Project's "keep-going" mode.
29  * @since Ant 1.6.3
30  */
31 public class DefaultExecutor implements Executor {
32
33     private static final SingleCheckExecutor SUB_EXECUTOR = new SingleCheckExecutor();
34
35     /** {@inheritDoc}. */
36     public void executeTargets(Project project, String JavaDoc[] targetNames)
37         throws BuildException {
38         BuildException thrownException = null;
39         for (int i = 0; i < targetNames.length; i++) {
40             try {
41                 project.executeTarget(targetNames[i]);
42             } catch (BuildException ex) {
43                 if (project.isKeepGoingMode()) {
44                     thrownException = ex;
45                 } else {
46                     throw ex;
47                 }
48             }
49         }
50         if (thrownException != null) {
51             throw thrownException;
52         }
53     }
54
55     /** {@inheritDoc}. */
56     public Executor getSubProjectExecutor() {
57         return SUB_EXECUTOR;
58     }
59
60 }
61
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