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- package org.aspectj.apache.bcel.classfile;
-
- /* ====================================================================
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Apache" and "Apache Software Foundation" and
- * "Apache BCEL" must not be used to endorse or promote products
- * derived from this software without prior written permission. For
- * written permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * "Apache BCEL", nor may "Apache" appear in their name, without
- * prior written permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
-
- import java.io.DataInputStream;
- import java.io.DataOutputStream;
- import java.io.IOException;
-
- import org.aspectj.apache.bcel.Constants;
-
- /**
- * This class is derived from <em>Attribute</em> and represents a constant value, i.e., a default value for initializing a class
- * field. This class is instantiated by the <em>Attribute.readAttribute()</em> method.
- *
- * @version $Id: ConstantValue.java,v 1.6 2009/09/16 00:43:49 aclement Exp $
- * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
- * @see Attribute
- */
- public final class ConstantValue extends Attribute {
- private int constantvalue_index;
-
- ConstantValue(int name_index, int length, DataInputStream file, ConstantPool constant_pool) throws IOException {
- this(name_index, length, file.readUnsignedShort(), constant_pool);
- }
-
- public ConstantValue(int name_index, int length, int constantvalue_index, ConstantPool constant_pool) {
- super(Constants.ATTR_CONSTANT_VALUE, name_index, length, constant_pool);
- this.constantvalue_index = constantvalue_index;
- }
-
- @Override
- public void accept(ClassVisitor v) {
- v.visitConstantValue(this);
- }
-
- @Override
- public final void dump(DataOutputStream file) throws IOException {
- super.dump(file);
- file.writeShort(constantvalue_index);
- }
-
- public final int getConstantValueIndex() {
- return constantvalue_index;
- }
-
- @Override
- public final String toString() {
- Constant c = cpool.getConstant(constantvalue_index);
-
- String buf;
- int i;
-
- // Print constant to string depending on its type
- switch (c.getTag()) {
- case Constants.CONSTANT_Long:
- buf = "" + ((ConstantLong) c).getValue();
- break;
- case Constants.CONSTANT_Float:
- buf = "" + ((ConstantFloat) c).getValue();
- break;
- case Constants.CONSTANT_Double:
- buf = "" + ((ConstantDouble) c).getValue();
- break;
- case Constants.CONSTANT_Integer:
- buf = "" + ((ConstantInteger) c).getValue();
- break;
- case Constants.CONSTANT_String:
- i = ((ConstantString) c).getStringIndex();
- c = cpool.getConstant(i, Constants.CONSTANT_Utf8);
- buf = "\"" + Utility.convertString(((ConstantUtf8) c).getValue()) + "\"";
- break;
-
- default:
- throw new IllegalStateException("Type of ConstValue invalid: " + c);
- }
-
- return buf;
- }
- }
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