KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > com > go > trove > classfile > ConstantLongInfo


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_Long_info structure as defined in
59  * section 4.4.5 of <i>The Java Virtual Machine Specification</i>.
60  *
61  * @author Brian S O'Neill
62  * @version
63  * <!--$$Revision:--> 21 <!-- $-->, <!--$$JustDate:--> 9/07/00 <!-- $-->
64  */
65 public class ConstantLongInfo extends ConstantInfo {
66     private Long JavaDoc mValue;
67     
68     /**
69      * Will return either a new ConstantLongInfo object or one already in
70      * the constant pool. If it is a new ConstantLongInfo, it will be
71      * inserted into the pool.
72      */
73     static ConstantLongInfo make(ConstantPool cp, long value) {
74         ConstantInfo ci = new ConstantLongInfo(value);
75         return (ConstantLongInfo)cp.addConstant(ci);
76     }
77     
78     ConstantLongInfo(long value) {
79         super(TAG_LONG);
80         mValue = new Long JavaDoc(value);
81     }
82     
83     ConstantLongInfo(Long JavaDoc value) {
84         super(TAG_LONG);
85         mValue = value;
86     }
87     
88     public Long JavaDoc getValue() {
89         return mValue;
90     }
91
92     public int hashCode() {
93         return mValue.hashCode();
94     }
95     
96     public boolean equals(Object JavaDoc obj) {
97         if (obj instanceof ConstantLongInfo) {
98             ConstantLongInfo other = (ConstantLongInfo)obj;
99             return mValue.equals(other.mValue);
100         }
101
102         return false;
103     }
104     
105     int getEntryCount() {
106         return 2;
107     }
108
109     public void writeTo(DataOutput dout) throws IOException {
110         super.writeTo(dout);
111         dout.writeLong(mValue.longValue());
112     }
113
114     public String JavaDoc toString() {
115         return "CONSTANT_Long_info: " + getValue();
116     }
117 }
118
Popular Tags