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jode/jode/src/net/sf/jode/bytecode/Reference.java

78 lines
2.1 KiB

/* Reference Copyright (C) 1999 Jochen Hoenicke.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
package net.sf.jode.bytecode;
import net.sf.jode.util.UnifyHash;
///#def COLLECTIONS java.util
import java.util.Iterator;
///#enddef
/**
* This class represents a field or method reference.
*/
public class Reference {
/**
* A reference consists of a class name, a member name and a type.
*/
private final String clazz, name, type;
private static final UnifyHash unifier = new UnifyHash();
public static Reference getReference(String className,
String name, String type) {
int hash = className.hashCode() ^ name.hashCode() ^ type.hashCode();
Iterator iter = unifier.iterateHashCode(hash);
while (iter.hasNext()) {
Reference ref = (Reference) iter.next();
if (ref.clazz.equals(className)
&& ref.name.equals(name)
&& ref.type.equals(type))
return ref;
}
Reference ref = new Reference(className, name, type);
unifier.put(hash, ref);
return ref;
}
private Reference(String clazz, String name, String type) {
this.clazz = clazz;
this.name = name;
this.type = type;
}
public String getClazz() {
return clazz;
}
public String getName() {
return name;
}
public String getType() {
return type;
}
public String toString() {
String classStr = clazz;
if (clazz.startsWith("L"))
classStr = clazz.substring(1, clazz.length() - 1)
.replace('/', '.');
return classStr + "." + name + " " + type;
}
}