1 package org.apache.maven.plugin.ear.output;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.util.HashMap;
23 import java.util.Map;
24
25 /**
26 * Provides access to {@link FileNameMapping} implementations.
27 * <p/>
28 * Two basic implementations are provided by default:
29 * <ul>
30 * <li>standard: the default implementation</li>
31 * <li>full: an implementation that maps to a 'full' file name, i.e. containing the groupId</li>
32 * </ul>
33 *
34 * @author <a href="snicoll@apache.org">Stephane Nicoll</a>
35 * @version $Id: FileNameMappingFactory.java 942855 2010-05-10 19:13:52Z krosenvold $
36 */
37 public class FileNameMappingFactory
38 {
39 static final String STANDARD_FILE_NAME_MAPPING = "standard";
40
41 static final String FULL_FILE_NAME_MAPPING = "full";
42
43 private FileNameMappingFactory()
44 {
45 }
46
47 public static FileNameMapping getDefaultFileNameMapping()
48 {
49 return new StandardFileNameMapping() ;
50 }
51
52 /**
53 * Returns the file name mapping implementation based on a logical name
54 * of a fully qualified name of the class.
55 *
56 * @param nameOrClass a name of the fqn of the implementation
57 * @return the file name mapping implementation
58 * @throws IllegalStateException if the implementation is not found
59 */
60 public static FileNameMapping getFileNameMapping( final String nameOrClass )
61 throws IllegalStateException
62 {
63 if (STANDARD_FILE_NAME_MAPPING.equals( nameOrClass )){
64 return getDefaultFileNameMapping();
65 }
66 if (FULL_FILE_NAME_MAPPING.equals( nameOrClass )){
67 return new FullFileNameMapping();
68 }
69 try
70 {
71 final Class c = Class.forName( nameOrClass );
72 return (FileNameMapping) c.newInstance();
73 }
74 catch ( ClassNotFoundException e )
75 {
76 throw new IllegalStateException(
77 "File name mapping implementation[" + nameOrClass + "] was not found " + e.getMessage() );
78 }
79 catch ( InstantiationException e )
80 {
81 throw new IllegalStateException( "Could not instanciate file name mapping implementation[" +
82 nameOrClass + "] make sure it has a default public constructor" );
83 }
84 catch ( IllegalAccessException e )
85 {
86 throw new IllegalStateException( "Could not access file name mapping implementation[" + nameOrClass +
87 "] make sure it has a default public constructor" );
88 }
89 catch ( ClassCastException e )
90 {
91 throw new IllegalStateException( "Specified class[" + nameOrClass + "] does not implement[" +
92 FileNameMapping.class.getName() + "]" );
93 }
94 }
95 }