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package com.sun.org.apache.bcel.internal.generic;

import java.io.DataOutputStream;
import java.io.IOException;

import com.sun.org.apache.bcel.internal.classfile.ConstantUtf8;
import com.sun.org.apache.bcel.internal.classfile.ElementValue;
import com.sun.org.apache.bcel.internal.classfile.EnumElementValue;

Since:6.0
/** * @since 6.0 */
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
/** * 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(final int typeIdx, final int valueIdx, final ConstantPoolGen cpool) { super(ElementValueGen.ENUM_CONSTANT, cpool); if (super.getElementValueType() != ENUM_CONSTANT) { throw new RuntimeException( "Only element values of type enum can be built with this ctor - type specified: " + super.getElementValueType()); } this.typeIdx = typeIdx; this.valueIdx = valueIdx; }
Return immutable variant of this EnumElementValue
/** * Return immutable variant of this EnumElementValue */
@Override public ElementValue getElementValue() { System.err.println("Duplicating value: " + getEnumTypeString() + ":" + getEnumValueString()); return new EnumElementValue(super.getElementValueType(), typeIdx, valueIdx, getConstantPool().getConstantPool()); } public EnumElementValueGen(final ObjectType t, final String value, final ConstantPoolGen cpool) { super(ElementValueGen.ENUM_CONSTANT, cpool); typeIdx = cpool.addUtf8(t.getSignature());// was addClass(t); valueIdx = cpool.addUtf8(value);// was addString(value); } public EnumElementValueGen(final EnumElementValue value, final ConstantPoolGen cpool, final 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(); } } @Override public void dump(final DataOutputStream dos) throws IOException { dos.writeByte(super.getElementValueType()); // u1 type of value (ENUM_CONSTANT == 'e') dos.writeShort(typeIdx); // u2 dos.writeShort(valueIdx); // u2 } @Override public String stringifyValue() { final 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; } }