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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed 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 org.jetbrains.java.decompiler.struct.consts;
import java.io.DataOutputStream;
import java.io.IOException;
/*
* Integer, Long, Float, Double, String, Class, UTF8
*/
public class PrimitiveConstant extends PooledConstant {
// *****************************************************************************
// public fields
// *****************************************************************************
public int index;
public Object value;
public boolean isArray;
// *****************************************************************************
// constructors
// *****************************************************************************
public PrimitiveConstant(int type, Object value) {
this.type = type;
this.value = value;
initConstant();
}
public PrimitiveConstant(int type, int index) {
this.type = type;
this.index = index;
}
// *****************************************************************************
// public methods
// *****************************************************************************
public int getInt() {
return ((Integer)value).intValue();
}
public long getLong() {
return ((Long)value).longValue();
}
public float getFloat() {
return ((Float)value).floatValue();
}
public double getDouble() {
return ((Double)value).doubleValue();
}
public String getString() {
return (String)value;
}
public void resolveConstant(ConstantPool pool) {
if (type == CONSTANT_Class || type == CONSTANT_String || type == CONSTANT_MethodType) {
value = pool.getPrimitiveConstant(index).getString();
initConstant();
}
}
public void writeToStream(DataOutputStream out) throws IOException {
out.writeByte(type);
switch (type) {
case CONSTANT_Integer:
out.writeInt(getInt());
break;
case CONSTANT_Float:
out.writeFloat(getFloat());
break;
case CONSTANT_Long:
out.writeLong(getLong());
break;
case CONSTANT_Double:
out.writeDouble(getDouble());
break;
case CONSTANT_Utf8:
out.writeUTF(getString());
break;
default: // CONSTANT_Class, CONSTANT_String, CONSTANT_MethodType
out.writeShort(index);
}
}
public boolean equals(Object o) {
if (o == this) return true;
if (o == null || !(o instanceof PrimitiveConstant)) return false;
PrimitiveConstant cn = (PrimitiveConstant)o;
return this.type == cn.type &&
this.isArray == cn.isArray &&
this.value.equals(cn.value);
}
private void initConstant() {
if (type == CONSTANT_Class) {
String className = getString();
isArray =
(className.length() > 0 && className.charAt(0) == '['); // empty string for a class name seems to be possible in some android files
}
}
}
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