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Java > Open Source Codes > net > sf > retrotranslator > transformer > EmbeddingConverter


1 /***
2  * Retrotranslator: a Java bytecode transformer that translates Java classes
3  * compiled with JDK 5.0 into classes that can be run on JVM 1.4.
4  *
5  * Copyright (c) 2005 - 2007 Taras Puchko
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in the
15  * documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the copyright holders nor the names of its
17  * contributors may be used to endorse or promote products derived from
18  * this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30  * THE POSSIBILITY OF SUCH DAMAGE.
31  */

32 package net.sf.retrotranslator.transformer;
33
34 import java.util.*;
35 import net.sf.retrotranslator.runtime.impl.RuntimeTools;
36
37 /**
38  * @author Taras Puchko
39  */

40 class EmbeddingConverter {
41
42     private String JavaDoc embeddingPrefix;
43     private Map<String JavaDoc, Boolean JavaDoc> runtimeFileNames = new HashMap<String JavaDoc, Boolean JavaDoc>();
44     private Map<String JavaDoc, Boolean JavaDoc> concurrentFileNames = new HashMap<String JavaDoc, Boolean JavaDoc>();
45
46     public EmbeddingConverter(String JavaDoc embed) {
47         this.embeddingPrefix = embed.replace('.', '/') + '/';
48     }
49
50     public Map<String JavaDoc, Boolean JavaDoc> getRuntimeFileNames() {
51         return runtimeFileNames;
52     }
53
54     public Map<String JavaDoc, Boolean JavaDoc> getConcurrentFileNames() {
55         return concurrentFileNames;
56     }
57
58     public String JavaDoc convertFileName(String JavaDoc fileName) {
59         return getMap(fileName) == null ? fileName : embeddingPrefix + fileName;
60     }
61
62     public String JavaDoc convertClassName(String JavaDoc className) {
63         Map<String JavaDoc, Boolean JavaDoc> map = getMap(className);
64         if (map == null) {
65             return className;
66         }
67         String JavaDoc key = className + RuntimeTools.CLASS_EXTENSION;
68         if (!map.containsKey(key)) {
69             map.put(key, Boolean.FALSE);
70         }
71         return embeddingPrefix + className;
72     }
73
74     private Map<String JavaDoc, Boolean JavaDoc> getMap(String JavaDoc name) {
75         if (name.startsWith(TransformerTools.RUNTIME_PREFIX)) {
76             return runtimeFileNames;
77         }
78         if (name.startsWith(TransformerTools.CONCURRENT_PREFIX)) {
79             return concurrentFileNames;
80         }
81         return null;
82     }
83
84 }
85
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