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- /*
- * Javassist, a Java-bytecode translator toolkit.
- * Copyright (C) 1999-2003 Shigeru Chiba. All Rights Reserved.
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. Alternatively, the contents of this file may be used under
- * the terms of the GNU Lesser General Public License Version 2.1 or later.
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- */
-
- package javassist.bytecode;
-
- import java.io.DataInputStream;
- import java.util.Map;
- import java.io.IOException;
-
- /**
- * <code>ConstantValue_attribute</code>.
- */
- public class ConstantAttribute extends AttributeInfo {
- /**
- * The name of this attribute <code>"ConstantValue"</code>.
- */
- public static final String tag = "ConstantValue";
-
- ConstantAttribute(ConstPool cp, int n, DataInputStream in)
- throws IOException
- {
- super(cp, n, in);
- }
-
- /**
- * Constructs a ConstantValue attribute.
- *
- * @param cp a constant pool table.
- * @param index <code>constantvalue_index</code>
- * of <code>ConstantValue_attribute</code>.
- */
- public ConstantAttribute(ConstPool cp, int index) {
- super(cp, tag);
- byte[] bvalue = new byte[2];
- bvalue[0] = (byte)(index >>> 8);
- bvalue[1] = (byte)index;
- set(bvalue);
- }
-
- /**
- * Returns <code>constantvalue_index</code>.
- */
- public int getConstantValue() {
- return ByteArray.readU16bit(get(), 0);
- }
-
- /**
- * Makes a copy. Class names are replaced according to the
- * given <code>Map</code> object.
- *
- * @param newCp the constant pool table used by the new copy.
- * @param classnames pairs of replaced and substituted
- * class names.
- */
- public AttributeInfo copy(ConstPool newCp, Map classnames) {
- int index = getConstPool().copy(getConstantValue(), newCp,
- classnames);
- return new ConstantAttribute(newCp, index);
- }
- }
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