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package org.aspectj.apache.bcel.generic;
/* ====================================================================
* 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 [email protected].
*
* 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
* .
*/
import org.aspectj.apache.bcel.classfile.Constant;
import org.aspectj.apache.bcel.classfile.ConstantCP;
import org.aspectj.apache.bcel.classfile.ConstantNameAndType;
import org.aspectj.apache.bcel.classfile.ConstantPool;
import org.aspectj.apache.bcel.classfile.ConstantUtf8;
/**
* Super class for InvokeInstruction and FieldInstruction, since they have some methods in common!
*
* @version $Id: FieldOrMethod.java,v 1.8 2009/10/05 17:35:36 aclement Exp $
* @author M. Dahm
*/
public abstract class FieldOrMethod extends InstructionCP {
protected String signature;
protected String name;
private String classname;
protected FieldOrMethod(short opcode, int index) {
super(opcode, index);
}
/**
* @return signature of referenced method/field.
*/
public String getSignature(ConstantPool cp) {
if (signature == null) {
Constant c = cp.getConstant(index);
ConstantCP cmr = (ConstantCP) c;
ConstantNameAndType cnat = (ConstantNameAndType) cp.getConstant(cmr.getNameAndTypeIndex());
signature = ((ConstantUtf8) cp.getConstant(cnat.getSignatureIndex())).getValue();
}
return signature;
}
/**
* @return name of referenced method/field.
*/
public String getName(ConstantPool cp) {
if (name == null) {
ConstantCP cmr = (ConstantCP) cp.getConstant(index);
ConstantNameAndType cnat = (ConstantNameAndType) cp.getConstant(cmr.getNameAndTypeIndex());
name = ((ConstantUtf8) cp.getConstant(cnat.getNameIndex())).getValue();
}
return name;
}
/**
* @return name of the referenced class/interface
*/
public String getClassName(ConstantPool cp) {
if (classname == null) {
ConstantCP cmr = (ConstantCP) cp.getConstant(index);
String str = cp.getConstantString(cmr.getClassIndex(), CONSTANT_Class);
if (str.charAt(0) == '[') {
classname = str;
} else {
classname = str.replace('/', '.');
}
}
return classname;
}
/**
* @return type of the referenced class/interface
*/
public ObjectType getClassType(ConstantPool cpg) {
return new ObjectType(getClassName(cpg));
}
/**
* @return type of the referenced class/interface
*/
@Override
public ObjectType getLoadClassType(ConstantPool cpg) {
return getClassType(cpg);
}
}
