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/* *******************************************************************
* Copyright (c) 2004 IBM
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Common Public License v1.0
* which accompanies this distribution and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* Andy Clement - initial implementation {date}
* ******************************************************************/
package org.aspectj.apache.bcel.generic.annotation;
import java.io.DataOutputStream;
import java.io.IOException;
import org.aspectj.apache.bcel.classfile.ConstantUtf8;
import org.aspectj.apache.bcel.classfile.annotation.ElementValue;
import org.aspectj.apache.bcel.classfile.annotation.EnumElementValue;
import org.aspectj.apache.bcel.generic.ConstantPoolGen;
import org.aspectj.apache.bcel.generic.ObjectType;
public class EnumElementValueGen extends ElementValueGen {
// For enum types, these two indices point to the type and value
private int typeIdx;
private int valueIdx;
/**
* This ctor assumes the constant pool already contains the right type and value -
* as indicated by typeIdx and valueIdx. This ctor is used for deserialization
*/
protected EnumElementValueGen(int typeIdx,int valueIdx,ConstantPoolGen cpool) {
super(ElementValueGen.ENUM_CONSTANT,cpool);
if (type != ENUM_CONSTANT)
throw new RuntimeException("Only element values of type enum can be built with this ctor");
this.typeIdx = typeIdx;
this.valueIdx= valueIdx;
}
/**
* Return immutable variant of this EnumElementValue
*/
public ElementValue getElementValue() {
System.err.println("Duplicating value: "+getEnumTypeString()+":"+getEnumValueString());
return new EnumElementValue(type,typeIdx,valueIdx,cpGen.getConstantPool());
}
public EnumElementValueGen(ObjectType t,String value,ConstantPoolGen cpool) {
super(ElementValueGen.ENUM_CONSTANT,cpool);
typeIdx = cpool.addUtf8(t.getSignature());// was addClass(t);
valueIdx= cpool.addUtf8(value);// was addString(value);
}
public EnumElementValueGen(EnumElementValue value, ConstantPoolGen cpool, boolean copyPoolEntries) {
super(ENUM_CONSTANT,cpool);
if (copyPoolEntries) {
typeIdx = cpool.addUtf8(value.getEnumTypeString());// was addClass(value.getEnumTypeString());
valueIdx = cpool.addUtf8(value.getEnumValueString()); // was addString(value.getEnumValueString());
} else {
typeIdx = value.getTypeIndex();
valueIdx = value.getValueIndex();
}
}
public void dump(DataOutputStream dos) throws IOException {
dos.writeByte(type); // u1 type of value (ENUM_CONSTANT == 'e')
dos.writeShort(typeIdx); // u2
dos.writeShort(valueIdx); // u2
}
public String stringifyValue() {
ConstantUtf8 cu8 = (ConstantUtf8)getConstantPool().getConstant(valueIdx);
return cu8.getBytes();
// ConstantString cu8 = (ConstantString)getConstantPool().getConstant(valueIdx);
// return ((ConstantUtf8)getConstantPool().getConstant(cu8.getStringIndex())).getBytes();
}
// BCELBUG: Should we need to call utility.signatureToString() on the output here?
public String getEnumTypeString() {
// Constant cc = getConstantPool().getConstant(typeIdx);
// ConstantClass cu8 = (ConstantClass)getConstantPool().getConstant(typeIdx);
// return ((ConstantUtf8)getConstantPool().getConstant(cu8.getNameIndex())).getBytes();
return ((ConstantUtf8)getConstantPool().getConstant(typeIdx)).getBytes();
// return Utility.signatureToString(cu8.getBytes());
}
public String getEnumValueString() {
return ((ConstantUtf8)getConstantPool().getConstant(valueIdx)).getBytes();
// ConstantString cu8 = (ConstantString)getConstantPool().getConstant(valueIdx);
// return ((ConstantUtf8)getConstantPool().getConstant(cu8.getStringIndex())).getBytes();
}
public int getValueIndex() { return valueIdx;}
public int getTypeIndex() { return typeIdx; }
}
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