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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* 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.apache.tools.ant.taskdefs.optional.depend.constantpool;
import java.io.DataInputStream;
import java.io.IOException;
/**
* A String Constant Pool Entry. The String info contains an index into the
* constant pool where a UTF8 string is stored.
*
*/
public class StringCPInfo extends ConstantCPInfo {
/** Constructor. */
public StringCPInfo() {
super(CONSTANT_STRING, 1);
}
/**
* read a constant pool entry from a class stream.
*
* @param cpStream the DataInputStream which contains the constant pool
* entry to be read.
* @exception IOException if there is a problem reading the entry from
* the stream.
*/
public void read(DataInputStream cpStream) throws IOException {
index = cpStream.readUnsignedShort();
setValue("unresolved");
}
/**
* Print a readable version of the constant pool entry.
*
* @return the string representation of this constant pool entry.
*/
public String toString() {
return "String Constant Pool Entry for "
+ getValue() + "[" + index + "]";
}
/**
* Resolve this constant pool entry with respect to its dependents in
* the constant pool.
*
* @param constantPool the constant pool of which this entry is a member
* and against which this entry is to be resolved.
*/
public void resolve(ConstantPool constantPool) {
setValue(((Utf8CPInfo) constantPool.getEntry(index)).getValue());
super.resolve(constantPool);
}
/** the index into the constant pool containing the string's content */
private int index;
}
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