92 lines
3.5 KiB
Java
92 lines
3.5 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. 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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*/
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package org.apache.tomcat.util.bcel.classfile;
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import org.apache.tomcat.util.bcel.Const;
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public class SimpleElementValue extends ElementValue
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{
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private final int index;
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SimpleElementValue(final int type, final int index, final ConstantPool cpool) {
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super(type, cpool);
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this.index = index;
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}
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/**
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* @return Value entry index in the cpool
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*/
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public int getIndex()
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{
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return index;
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}
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// Whatever kind of value it is, return it as a string
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@Override
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public String stringifyValue()
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{
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final ConstantPool cpool = super.getConstantPool();
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final int _type = super.getType();
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switch (_type)
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{
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case PRIMITIVE_INT:
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final ConstantInteger c = (ConstantInteger) cpool.getConstant(getIndex(),
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Const.CONSTANT_Integer);
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return Integer.toString(c.getBytes());
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case PRIMITIVE_LONG:
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final ConstantLong j = (ConstantLong) cpool.getConstant(getIndex(),
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Const.CONSTANT_Long);
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return Long.toString(j.getBytes());
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case PRIMITIVE_DOUBLE:
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final ConstantDouble d = (ConstantDouble) cpool.getConstant(getIndex(),
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Const.CONSTANT_Double);
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return Double.toString(d.getBytes());
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case PRIMITIVE_FLOAT:
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final ConstantFloat f = (ConstantFloat) cpool.getConstant(getIndex(),
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Const.CONSTANT_Float);
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return Float.toString(f.getBytes());
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case PRIMITIVE_SHORT:
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final ConstantInteger s = (ConstantInteger) cpool.getConstant(getIndex(),
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Const.CONSTANT_Integer);
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return Integer.toString(s.getBytes());
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case PRIMITIVE_BYTE:
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final ConstantInteger b = (ConstantInteger) cpool.getConstant(getIndex(),
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Const.CONSTANT_Integer);
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return Integer.toString(b.getBytes());
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case PRIMITIVE_CHAR:
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final ConstantInteger ch = (ConstantInteger) cpool.getConstant(
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getIndex(), Const.CONSTANT_Integer);
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return String.valueOf((char)ch.getBytes());
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case PRIMITIVE_BOOLEAN:
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final ConstantInteger bo = (ConstantInteger) cpool.getConstant(
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getIndex(), Const.CONSTANT_Integer);
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if (bo.getBytes() == 0) {
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return "false";
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}
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return "true";
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case STRING:
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final ConstantUtf8 cu8 = (ConstantUtf8) cpool.getConstant(getIndex(),
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Const.CONSTANT_Utf8);
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return cu8.getBytes();
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default:
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throw new RuntimeException("SimpleElementValue class does not know how to stringify type " + _type);
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}
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}
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}
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