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/*
* Copyright 2000-2002,2004 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 NameAndType CP Info
*
* @author Conor MacNeill
*/
public class NameAndTypeCPInfo extends ConstantPoolEntry {
/** Constructor. */
public NameAndTypeCPInfo() {
super(CONSTANT_NAMEANDTYPE, 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 {
nameIndex = cpStream.readUnsignedShort();
descriptorIndex = cpStream.readUnsignedShort();
}
/**
* Print a readable version of the constant pool entry.
*
* @return the string representation of this constant pool entry.
*/
public String toString() {
String value;
if (isResolved()) {
value = "Name = " + name + ", type = " + type;
} else {
value = "Name index = " + nameIndex
+ ", descriptor index = " + descriptorIndex;
}
return value;
}
/**
* 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) {
name = ((Utf8CPInfo) constantPool.getEntry(nameIndex)).getValue();
type = ((Utf8CPInfo) constantPool.getEntry(descriptorIndex)).getValue();
super.resolve(constantPool);
}
/**
* Get the name component of this entry
*
* @return the name of this name and type entry
*/
public String getName() {
return name;
}
/**
* Get the type signature of this entry
*
* @return the type signature of this entry
*/
public String getType() {
return type;
}
/** the name component of this entry */
private String name;
/** the type component of this entry */
private String type;
/**
* the index into the constant pool at which the name component's string
* value is stored
*/
private int nameIndex;
/**
* the index into the constant pool where the type descriptor string is
* stored.
*/
private int descriptorIndex;
}
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