| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| 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 |
| */ |
| 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(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 |
| */ |
| @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; |
| } |
| } |