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: class OperationMode {
39:
40: private final boolean advanced;
41: private final boolean smart;
42: private final Set<String> features = Collections
43: .synchronizedSet(new HashSet<String>());
44: private final ClassVersion target;
45: private final boolean fixHyphen;
46:
47: public OperationMode(boolean advanced, String support,
48: boolean smart, ClassVersion target) {
49: this .advanced = advanced;
50: this .target = target;
51: this .smart = smart;
52: if (support != null) {
53: if (advanced) {
54: throw new IllegalArgumentException(
55: "The -support option is unnecessary when -advanced is specified.");
56: }
57: StringTokenizer tokenizer = new StringTokenizer(support,
58: ";");
59: while (tokenizer.hasMoreTokens()) {
60: features.add(tokenizer.nextToken());
61: }
62: }
63: fixHyphen = isSupportedFeature("Retrotranslator.fixHyphen");
64: }
65:
66: public boolean isSupportedFeature(String feature) {
67: return advanced || features.contains(feature);
68: }
69:
70: public boolean isSmart() {
71: return smart;
72: }
73:
74: public ClassVersion getTarget() {
75: return target;
76: }
77:
78: public String fixName(String className) {
79: return fixHyphen ? className.replace('-', '$') : className;
80: }
81:
82: public String fixFileName(String fileName, FileEntry entry) {
83: return fixHyphen && fileName.indexOf('-') >= 0
84: && TransformerTools.isClassFile(entry.getContent()) ? fileName
85: .replace('-', '$')
86: : fileName;
87: }
88:
89: }
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