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Java > Open Source Codes > org > apache > tools > ant > taskdefs > optional > extension > resolvers > LocationResolver


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.tools.ant.taskdefs.optional.extension.resolvers;
19
20 import java.io.File JavaDoc;
21 import org.apache.tools.ant.BuildException;
22 import org.apache.tools.ant.Project;
23 import org.apache.tools.ant.taskdefs.optional.extension.Extension;
24 import org.apache.tools.ant.taskdefs.optional.extension.ExtensionResolver;
25
26 /**
27  * Resolver that just returns s specified location.
28  *
29  */
30 public class LocationResolver implements ExtensionResolver {
31     private String JavaDoc location;
32
33     /**
34      * Sets the location for this resolver
35      * @param location the location
36      */
37     public void setLocation(final String JavaDoc location) {
38         this.location = location;
39     }
40
41     /**
42      * Returns the resolved file
43      * @param extension the extension
44      * @param project the project
45      * @return the file resolved
46      * @throws BuildException if no location is set
47      */
48     public File JavaDoc resolve(final Extension extension,
49                         final Project project) throws BuildException {
50         if (null == location) {
51             final String JavaDoc message = "No location specified for resolver";
52             throw new BuildException(message);
53         }
54
55         return project.resolveFile(location);
56     }
57     /**
58      * Returns a string representation of the Location
59      * @return the string representation
60      */
61     public String JavaDoc toString() {
62         return "Location[" + location + "]";
63     }
64 }
65
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