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/*
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* Copyright 2000-2014 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jetbrains.java.decompiler.struct.consts;
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import java.io.DataOutputStream;
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import java.io.IOException;
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/*
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* Integer, Long, Float, Double, String, Class, UTF8
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*/
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public class PrimitiveConstant extends PooledConstant {
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// *****************************************************************************
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// public fields
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// *****************************************************************************
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public int index;
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public Object value;
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public boolean isArray;
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// *****************************************************************************
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// constructors
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// *****************************************************************************
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public PrimitiveConstant(int type, Object value) {
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this.type = type;
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this.value = value;
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initConstant();
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}
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public PrimitiveConstant(int type, int index) {
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this.type = type;
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this.index = index;
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}
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// *****************************************************************************
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// public methods
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// *****************************************************************************
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public int getInt() {
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return ((Integer)value).intValue();
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}
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public long getLong() {
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return ((Long)value).longValue();
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}
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public float getFloat() {
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return ((Float)value).floatValue();
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}
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public double getDouble() {
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return ((Double)value).doubleValue();
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}
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public String getString() {
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return (String)value;
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}
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public void resolveConstant(ConstantPool pool) {
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if (type == CONSTANT_Class || type == CONSTANT_String || type == CONSTANT_MethodType) {
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value = pool.getPrimitiveConstant(index).getString();
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initConstant();
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}
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}
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public void writeToStream(DataOutputStream out) throws IOException {
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out.writeByte(type);
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switch (type) {
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case CONSTANT_Integer:
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out.writeInt(getInt());
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break;
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case CONSTANT_Float:
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out.writeFloat(getFloat());
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break;
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case CONSTANT_Long:
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out.writeLong(getLong());
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break;
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case CONSTANT_Double:
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out.writeDouble(getDouble());
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break;
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case CONSTANT_Utf8:
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out.writeUTF(getString());
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break;
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default: // CONSTANT_Class, CONSTANT_String, CONSTANT_MethodType
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out.writeShort(index);
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}
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}
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public boolean equals(Object o) {
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if (o == this) return true;
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if (o == null || !(o instanceof PrimitiveConstant)) return false;
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PrimitiveConstant cn = (PrimitiveConstant)o;
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return this.type == cn.type &&
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this.isArray == cn.isArray &&
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this.value.equals(cn.value);
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}
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private void initConstant() {
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if (type == CONSTANT_Class) {
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String className = getString();
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isArray =
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(className.length() > 0 && className.charAt(0) == '['); // empty string for a class name seems to be possible in some android files
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}
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}
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}
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