Mercurial > hg > blitz_stable
comparison src/com/go/trove/classfile/ConstantFieldInfo.java @ 0:3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 21 Mar 2009 11:00:06 +0000 |
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-1:000000000000 | 0:3dc0c5604566 |
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1 /* ==================================================================== | |
2 * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group | |
3 * ==================================================================== | |
4 * The Tea Software License, Version 1.1 | |
5 * | |
6 * Copyright (c) 2000 Walt Disney Internet Group. 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 * | |
12 * 1. Redistributions of source code must retain the above copyright | |
13 * notice, this list of conditions and the following disclaimer. | |
14 * | |
15 * 2. Redistributions in binary form must reproduce the above copyright | |
16 * notice, this list of conditions and the following disclaimer in | |
17 * the documentation and/or other materials provided with the | |
18 * distribution. | |
19 * | |
20 * 3. The end-user documentation included with the redistribution, | |
21 * if any, must include the following acknowledgment: | |
22 * "This product includes software developed by the | |
23 * Walt Disney Internet Group (http://opensource.go.com/)." | |
24 * Alternately, this acknowledgment may appear in the software itself, | |
25 * if and wherever such third-party acknowledgments normally appear. | |
26 * | |
27 * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must | |
28 * not be used to endorse or promote products derived from this | |
29 * software without prior written permission. For written | |
30 * permission, please contact opensource@dig.com. | |
31 * | |
32 * 5. Products derived from this software may not be called "Tea", | |
33 * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet", | |
34 * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior | |
35 * written permission of the Walt Disney Internet Group. | |
36 * | |
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED | |
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
40 * DISCLAIMED. IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS | |
41 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
42 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
43 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
44 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
45 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
46 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
47 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
48 * ==================================================================== | |
49 * | |
50 * For more information about Tea, please see http://opensource.go.com/. | |
51 */ | |
52 | |
53 package com.go.trove.classfile; | |
54 | |
55 import java.io.*; | |
56 | |
57 /****************************************************************************** | |
58 * This class corresponds to the CONSTANT_Fieldref_info structure as defined in | |
59 * section 4.4.2 of <i>The Java Virtual Machine Specification</i>. | |
60 * | |
61 * @author Brian S O'Neill | |
62 * @version | |
63 * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 9/07/00 <!-- $--> | |
64 */ | |
65 public class ConstantFieldInfo extends ConstantInfo { | |
66 private ConstantClassInfo mParentClass; | |
67 private ConstantNameAndTypeInfo mNameAndType; | |
68 | |
69 /** | |
70 * Will return either a new ConstantFieldInfo object or one already in | |
71 * the constant pool. If it is a new ConstantFieldInfo, it will be inserted | |
72 * into the pool. | |
73 */ | |
74 static ConstantFieldInfo make(ConstantPool cp, | |
75 ConstantClassInfo parentClass, | |
76 ConstantNameAndTypeInfo nameAndType) { | |
77 ConstantInfo ci = new ConstantFieldInfo(parentClass, nameAndType); | |
78 return (ConstantFieldInfo)cp.addConstant(ci); | |
79 } | |
80 | |
81 ConstantFieldInfo(ConstantClassInfo parentClass, | |
82 ConstantNameAndTypeInfo nameAndType) { | |
83 super(TAG_FIELD); | |
84 | |
85 mParentClass = parentClass; | |
86 mNameAndType = nameAndType; | |
87 } | |
88 | |
89 public ConstantClassInfo getParentClass() { | |
90 return mParentClass; | |
91 } | |
92 | |
93 public ConstantNameAndTypeInfo getNameAndType() { | |
94 return mNameAndType; | |
95 } | |
96 | |
97 public int hashCode() { | |
98 return mNameAndType.hashCode(); | |
99 } | |
100 | |
101 public boolean equals(Object obj) { | |
102 if (obj instanceof ConstantFieldInfo) { | |
103 ConstantFieldInfo other = (ConstantFieldInfo)obj; | |
104 return (mParentClass.equals(other.mParentClass) && | |
105 mNameAndType.equals(other.mNameAndType)); | |
106 } | |
107 | |
108 return false; | |
109 } | |
110 | |
111 public void writeTo(DataOutput dout) throws IOException { | |
112 super.writeTo(dout); | |
113 dout.writeShort(mParentClass.getIndex()); | |
114 dout.writeShort(mNameAndType.getIndex()); | |
115 } | |
116 | |
117 public String toString() { | |
118 StringBuffer buf = new StringBuffer("CONSTANT_Fieldref_info: "); | |
119 | |
120 ConstantClassInfo parent = getParentClass(); | |
121 | |
122 buf.append(parent.getClassName()); | |
123 for (int i = parent.getDimensions(); i > 0; i--) { | |
124 buf.append('['); | |
125 buf.append(']'); | |
126 } | |
127 | |
128 ConstantNameAndTypeInfo cnati = getNameAndType(); | |
129 | |
130 buf.append(' '); | |
131 buf.append(cnati.getName()); | |
132 buf.append(' '); | |
133 buf.append(cnati.getType()); | |
134 | |
135 return buf.toString(); | |
136 } | |
137 } |