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 apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* "Apache BCEL", nor may "Apache" appear in their name, without
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*
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* 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 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 1.4 2005/09/19 15:12:36 aclement Exp $
* @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
*/
public abstract class FieldOrMethod extends CPInstruction implements LoadClass {
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
FieldOrMethod() {}
/**
* @param index to constant pool
*/
protected FieldOrMethod(short opcode, int index) {
super(opcode, index);
}
/** @return signature of referenced method/field.
*/
public String getSignature(ConstantPoolGen cpg) {
ConstantPool cp = cpg.getConstantPool();
ConstantCP cmr = (ConstantCP)cp.getConstant(index);
ConstantNameAndType cnat = (ConstantNameAndType)cp.getConstant(cmr.getNameAndTypeIndex());
return ((ConstantUtf8)cp.getConstant(cnat.getSignatureIndex())).getBytes();
}
/** @return name of referenced method/field.
*/
public String getName(ConstantPoolGen cpg) {
ConstantPool cp = cpg.getConstantPool();
ConstantCP cmr = (ConstantCP)cp.getConstant(index);
ConstantNameAndType cnat = (ConstantNameAndType)cp.getConstant(cmr.getNameAndTypeIndex());
return ((ConstantUtf8)cp.getConstant(cnat.getNameIndex())).getBytes();
}
/** @return name of the referenced class/interface
*/
public String getClassName(ConstantPoolGen cpg) {
ConstantPool cp = cpg.getConstantPool();
ConstantCP cmr = (ConstantCP)cp.getConstant(index);
String str = cp.getConstantString(cmr.getClassIndex(), org.aspectj.apache.bcel.Constants.CONSTANT_Class);
if (str.charAt(0)=='[') return str;
else return str.replace('/', '.');
}
/** @return type of the referenced class/interface
*/
public ObjectType getClassType(ConstantPoolGen cpg) {
return new ObjectType(getClassName(cpg));
}
/** @return type of the referenced class/interface
*/
public ObjectType getLoadClassType(ConstantPoolGen cpg) {
return getClassType(cpg);
}
}