Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Method_info |
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| 2.1875;2.188 |
1 | /* | |
2 | * Copyright (c) 2001-2009, Jean Tessier | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * | |
9 | * * Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * | |
12 | * * Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * | |
16 | * * Neither the name of Jean Tessier nor the names of his contributors | |
17 | * may be used to endorse or promote products derived from this software | |
18 | * without specific prior written permission. | |
19 | * | |
20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR | |
24 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
26 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
27 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
28 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
29 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
30 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
31 | */ | |
32 | ||
33 | package com.jeantessier.classreader.impl; | |
34 | ||
35 | import java.io.*; | |
36 | import java.util.*; | |
37 | ||
38 | import com.jeantessier.classreader.*; | |
39 | ||
40 | public class Method_info extends Feature_info implements com.jeantessier.classreader.Method_info { | |
41 | private static final int ACC_SYNCHRONIZED = 0x0020; | |
42 | private static final int ACC_BRIDGE = 0x0040; | |
43 | private static final int ACC_VARARGS = 0x0080; | |
44 | private static final int ACC_NATIVE = 0x0100; | |
45 | private static final int ACC_ABSTRACT = 0x0400; | |
46 | private static final int ACC_STRICT = 0x0800; | |
47 | ||
48 | public Method_info(Classfile classfile, DataInput in) throws IOException { | |
49 | 2722 | super(classfile, in); |
50 | 2722 | } |
51 | ||
52 | public String getFeatureType() { | |
53 | 13460 | return "method"; |
54 | } | |
55 | ||
56 | public boolean isSynchronized() { | |
57 | 6556 | return (getAccessFlag() & ACC_SYNCHRONIZED) != 0; |
58 | } | |
59 | ||
60 | public boolean isBridge() { | |
61 | 37 | return (getAccessFlag() & ACC_BRIDGE) != 0; |
62 | } | |
63 | ||
64 | public boolean isVarargs() { | |
65 | 39 | return (getAccessFlag() & ACC_VARARGS) != 0; |
66 | } | |
67 | ||
68 | public boolean isNative() { | |
69 | 6556 | return (getAccessFlag() & ACC_NATIVE) != 0; |
70 | } | |
71 | ||
72 | public boolean isAbstract() { | |
73 | 6768 | return (getAccessFlag() & ACC_ABSTRACT) != 0; |
74 | } | |
75 | ||
76 | public boolean isStrict() { | |
77 | 62 | return (getAccessFlag() & ACC_STRICT) != 0; |
78 | } | |
79 | ||
80 | public boolean isConstructor() { | |
81 | 38903 | return getName().equals("<init>"); |
82 | } | |
83 | ||
84 | public boolean isStaticInitializer() { | |
85 | 19495 | return getName().equals("<clinit>"); |
86 | } | |
87 | ||
88 | public Collection<Class_info> getExceptions() { | |
89 | 6518 | Collection<Class_info> result = Collections.emptyList(); |
90 | ||
91 | 6518 | for (Attribute_info attribute : getAttributes()) { |
92 | 6164 | if (attribute instanceof Exceptions_attribute) { |
93 | 12 | result = ((Exceptions_attribute) attribute).getExceptions(); |
94 | } | |
95 | } | |
96 | ||
97 | 6518 | return result; |
98 | } | |
99 | ||
100 | public String getSignature() { | |
101 | 31768 | StringBuffer result = new StringBuffer(); |
102 | ||
103 | 31768 | if (isConstructor()) { |
104 | 16050 | result.append(getClassfile().getSimpleName()); |
105 | 16050 | result.append(DescriptorHelper.getSignature(getDescriptor())); |
106 | 15718 | } else if (isStaticInitializer()) { |
107 | 4 | result.append("static {}"); |
108 | } else { | |
109 | 15714 | result.append(getName()); |
110 | 15714 | result.append(DescriptorHelper.getSignature(getDescriptor())); |
111 | } | |
112 | ||
113 | 31768 | return result.toString(); |
114 | } | |
115 | ||
116 | public String getReturnType() { | |
117 | 7816 | return DescriptorHelper.getReturnType(getDescriptor()); |
118 | } | |
119 | ||
120 | public String getDeclaration() { | |
121 | 6117 | StringBuffer result = new StringBuffer(); |
122 | ||
123 | 6117 | if (isPublic()) result.append("public "); |
124 | 6117 | if (isProtected()) result.append("protected "); |
125 | 6117 | if (isPrivate()) result.append("private "); |
126 | 6117 | if (isStatic() && !isStaticInitializer()) result.append("static "); |
127 | 6117 | if (isFinal()) result.append("final "); |
128 | 6117 | if (isSynchronized()) result.append("synchronized "); |
129 | 6117 | if (isNative()) result.append("native "); |
130 | 6117 | if (isAbstract()) result.append("abstract "); |
131 | ||
132 | 6117 | if (!isConstructor() && !isStaticInitializer()) { |
133 | 3775 | result.append((getReturnType() != null) ? getReturnType() : "void").append(" "); |
134 | } | |
135 | ||
136 | 6117 | result.append(getSignature()); |
137 | ||
138 | 6117 | if (getExceptions().size() != 0) { |
139 | 0 | result.append(" throws "); |
140 | 0 | Iterator i = getExceptions().iterator(); |
141 | 0 | while (i.hasNext()) { |
142 | 0 | result.append(i.next()); |
143 | 0 | if (i.hasNext()) { |
144 | 0 | result.append(", "); |
145 | } | |
146 | } | |
147 | } | |
148 | ||
149 | 6117 | return result.toString(); |
150 | } | |
151 | ||
152 | public com.jeantessier.classreader.Code_attribute getCode() { | |
153 | 2111 | CodeFinder finder = new CodeFinder(); |
154 | 2111 | accept(finder); |
155 | 2111 | return finder.getCode(); |
156 | } | |
157 | ||
158 | public void accept(Visitor visitor) { | |
159 | 2657 | visitor.visitMethod_info(this); |
160 | 2657 | } |
161 | } |