01: /***
02: * Retrotranslator: a Java bytecode transformer that translates Java classes
03: * compiled with JDK 5.0 into classes that can be run on JVM 1.4.
04: *
05: * Copyright (c) 2005 - 2008 Taras Puchko
06: * All rights reserved.
07: *
08: * Redistribution and use in source and binary forms, with or without
09: * 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: */package net.sf.retrotranslator.transformer;
32:
33: import java.util.*;
34:
35: /**
36: * @author Taras Puchko
37: */
38: abstract class Backport {
39:
40: public static List<Backport> getBackports(String s) {
41: int colonIndex = s.indexOf(':');
42: if (colonIndex < 0) {
43: return Collections
44: .<Backport> singletonList(new PackageBackport("",
45: toPrefixName(s.trim())));
46: }
47: String leftToken = s.substring(0, colonIndex).trim();
48: String rightToken = s.substring(colonIndex + 1).trim();
49: int leftIndex = leftToken.lastIndexOf('.');
50: int rightIndex = rightToken.lastIndexOf('.');
51: List<Backport> result = new ArrayList<Backport>();
52: if (leftIndex >= 0 && rightIndex >= 0) {
53: result
54: .add(new MemberBackport(toInternalName(leftToken
55: .substring(0, leftIndex)), leftToken
56: .substring(leftIndex + 1),
57: toInternalName(rightToken.substring(0,
58: rightIndex)), rightToken
59: .substring(rightIndex + 1)));
60: }
61: result.add(new ClassBackport(toInternalName(leftToken),
62: toInternalName(rightToken)));
63: result.add(new PackageBackport(toPrefixName(leftToken),
64: toPrefixName(rightToken)));
65: return result;
66: }
67:
68: private static String toInternalName(String name) {
69: return name.replace('.', '/');
70: }
71:
72: private static String toPrefixName(String name) {
73: return toInternalName(name) + '/';
74: }
75:
76: }
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