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/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
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*
* 5. Products derived from this software may not be called "Apache"
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*
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.tools.ant.taskdefs.optional.depend.constantpool;
import java.io.DataInputStream;
import java.io.IOException;
/**
* A FieldRef CP Info
*
* @author Conor MacNeill
*/
public class FieldRefCPInfo extends ConstantPoolEntry {
/** Name of the field's class */
private String fieldClassName;
/** name of the field in that class */
private String fieldName;
/** The type of the field */
private String fieldType;
/** Index into the constant pool for the class */
private int classIndex;
/** Index into the constant pool for the name and type entry */
private int nameAndTypeIndex;
/** Constructor. */
public FieldRefCPInfo() {
super(CONSTANT_FIELDREF, 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 {
classIndex = cpStream.readUnsignedShort();
nameAndTypeIndex = cpStream.readUnsignedShort();
}
/**
* 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) {
ClassCPInfo fieldClass = (ClassCPInfo)constantPool.getEntry(classIndex);
fieldClass.resolve(constantPool);
fieldClassName = fieldClass.getClassName();
NameAndTypeCPInfo nt
= (NameAndTypeCPInfo)constantPool.getEntry(nameAndTypeIndex);
nt.resolve(constantPool);
fieldName = nt.getName();
fieldType = nt.getType();
super.resolve(constantPool);
}
/**
* 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 = "Field : Class = " + fieldClassName + ", name = "
+ fieldName + ", type = " + fieldType;
} else {
value = "Field : Class index = " + classIndex
+ ", name and type index = " + nameAndTypeIndex;
}
return value;
}
/**
* Gets the name of the class definint the field
*
* @return the name of the class definint the field
*/
public String getFieldClassName() {
return fieldClassName;
}
/**
* Get the name of the field
*
* @return the field's name
*/
public String getFieldName() {
return fieldName;
}
/**
* Get the type of the field
*
* @return the field's type in string format
*/
public String getFieldType() {
return fieldType;
}
}