/*
* reserved comment block
* DO NOT REMOVE OR ALTER!
*/
/*
* Copyright 2001-2004 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.
*/
/*
* $Id: MultiHashtable.java,v 1.2.4.1 2005/09/05 11:18:51 pvedula Exp $
*/
package com.sun.org.apache.xalan.internal.xsltc.compiler.util;
import java.util.Hashtable;
import java.util.Vector;
/**
* @author Jacek Ambroziak
* @author Santiago Pericas-Geertsen
*/
public final class MultiHashtable extends Hashtable {
static final long serialVersionUID = -6151608290510033572L;
public Object put(Object key, Object value) {
Vector vector = (Vector)get(key);
if (vector == null)
super.put(key, vector = new Vector());
vector.add(value);
return vector;
}
public Object maps(Object from, Object to) {
if (from == null) return null;
final Vector vector = (Vector) get(from);
if (vector != null) {
final int n = vector.size();
for (int i = 0; i < n; i++) {
final Object item = vector.elementAt(i);
if (item.equals(to)) {
return item;
}
}
}
return null;
}
}