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Java > Open Source Codes > org > apache > bcel > generic > LDC_W


1 /*
2  * Copyright 2000-2004 The Apache Software Foundation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17 package org.apache.bcel.generic;
18
19 import java.io.IOException JavaDoc;
20 import org.apache.bcel.util.ByteSequence;
21
22 /**
23  * LDC_W - Push item from constant pool (wide index)
24  *
25  * <PRE>Stack: ... -&gt; ..., item.word1, item.word2</PRE>
26  *
27  * @version $Id: LDC_W.java 386056 2006-03-15 11:31:56Z tcurdt $
28  * @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
29  */
30 public class LDC_W extends LDC {
31
32     /**
33      * Empty constructor needed for the Class.newInstance() statement in
34      * Instruction.readInstruction(). Not to be used otherwise.
35      */
36     LDC_W() {
37     }
38
39
40     public LDC_W(int index) {
41         super(index);
42     }
43
44
45     /**
46      * Read needed data (i.e., index) from file.
47      */
48     protected void initFromFile( ByteSequence bytes, boolean wide ) throws IOException JavaDoc {
49         setIndex(bytes.readUnsignedShort());
50         // Override just in case it has been changed
51 opcode = org.apache.bcel.Constants.LDC_W;
52         length = 3;
53     }
54 }
55
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