Add TransformedMap and TransformedSortedMap
git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@131095 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Stephen Colebourne
parent
d10c1d3207
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/*
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* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/java/org/apache/commons/collections/decorators/Attic/TransformedMap.java,v 1.1 2003/05/17 14:53:11 scolebourne Exp $
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* ====================================================================
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*
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2003 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution, if
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|
* any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "The Jakarta Project", "Commons", and "Apache Software
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* Foundation" must not be used to endorse or promote products derived
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|
* from this software without prior written permission. For written
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||||||
|
* permission, please contact apache@apache.org.
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||||||
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*
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* 5. Products derived from this software may not be called "Apache"
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||||||
|
* nor may "Apache" appear in their names without prior written
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* permission of the Apache Software Foundation.
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||||||
|
*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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||||||
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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||||||
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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||||||
|
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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||||||
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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||||||
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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||||||
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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||||||
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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||||||
|
* SUCH DAMAGE.
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* ====================================================================
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*
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|
* This software consists of voluntary contributions made by many
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|
* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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*/
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package org.apache.commons.collections.decorators;
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import java.lang.reflect.Array;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Set;
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import org.apache.commons.collections.Transformer;
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/**
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* <code>TransformedMap</code> decorates another <code>Map</code>
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* to transform objects that are added.
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* <p>
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* The Map put methods and Map.Entry setValue method are affected by this class.
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* Thus objects must be removed or searched for using their transformed form.
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* For example, if the transformation converts Strings to Integers, you must
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* use the Integer form to remove objects.
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*
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* @since Commons Collections 3.0
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* @version $Revision: 1.1 $ $Date: 2003/05/17 14:53:11 $
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*
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* @author Stephen Colebourne
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*/
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public class TransformedMap extends AbstractMapDecorator {
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/** The transformer to use for the key */
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protected final Transformer keyTransformer;
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/** The transformer to use for the value */
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protected final Transformer valueTransformer;
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/**
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* Factory method to create a transforming map.
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* <p>
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* If there are any elements already in the map being decorated, they
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* are NOT transformed.
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*
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* @param map the map to decorate, must not be null
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* @param keyTransformer the transformer to use for key conversion, null means no conversion
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* @param valueTransformer the transformer to use for value conversion, null means no conversion
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* @throws IllegalArgumentException if map is null
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*/
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public static Map decorate(Map map, Transformer keyTransformer, Transformer valueTransformer) {
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return new TransformedMap(map, keyTransformer, valueTransformer);
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}
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/**
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* Constructor that wraps (not copies).
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* <p>
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* If there are any elements already in the collection being decorated, they
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* are NOT transformed.
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*
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* @param map the map to decorate, must not be null
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* @param keyTransformer the transformer to use for key conversion, null means no conversion
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* @param valueTransformer the transformer to use for value conversion, null means no conversion
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* @throws IllegalArgumentException if map is null
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*/
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protected TransformedMap(Map map, Transformer keyTransformer, Transformer valueTransformer) {
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super(map);
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this.keyTransformer = keyTransformer;
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this.valueTransformer = valueTransformer;
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}
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/**
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* Transforms a key.
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* <p>
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* The transformer itself may throw an exception if necessary.
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*
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* @param object the object to transform
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* @throws the transformed object
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*/
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protected Object transformKey(Object object) {
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if (keyTransformer == null) {
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return object;
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}
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return keyTransformer.transform(object);
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}
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/**
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* Transforms a value.
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* <p>
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* The transformer itself may throw an exception if necessary.
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*
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* @param object the object to transform
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* @throws the transformed object
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*/
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protected Object transformValue(Object object) {
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if (valueTransformer == null) {
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return object;
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}
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return valueTransformer.transform(object);
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}
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/**
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* Transforms a map.
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* <p>
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* The transformer itself may throw an exception if necessary.
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*
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* @param map the map to transform
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* @throws the transformed object
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*/
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protected Map transformMap(Map map) {
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Map result = new HashMap(map.size());
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for (Iterator it = map.entrySet().iterator(); it.hasNext(); ) {
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Map.Entry entry = (Map.Entry) it.next();
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result.put(transformKey(entry.getKey()), transformValue(entry.getValue()));
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}
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return result;
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}
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//-----------------------------------------------------------------------
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public Object put(Object key, Object value) {
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key = transformKey(key);
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value = transformValue(value);
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return getMap().put(key, value);
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}
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public void putAll(Map mapToCopy) {
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mapToCopy = transformMap(mapToCopy);
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getMap().putAll(mapToCopy);
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}
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public Set entrySet() {
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if (valueTransformer == null) {
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return map.entrySet();
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}
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return new TransformedMapEntrySet(map.entrySet(), valueTransformer);
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}
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//-----------------------------------------------------------------------
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/**
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* Implementation of an entry set that uses a transforming map entry.
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*/
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protected static class TransformedMapEntrySet extends AbstractCollectionDecorator implements Set {
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/** The transformer to use */
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private final Transformer valueTransformer;
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protected TransformedMapEntrySet(Set set, Transformer valueTransformer) {
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super(set);
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this.valueTransformer = valueTransformer;
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}
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public Iterator iterator() {
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return new TransformedMapEntrySetIterator(collection.iterator(), valueTransformer);
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}
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public Object[] toArray() {
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Object[] array = collection.toArray();
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for (int i = 0; i < array.length; i++) {
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array[i] = new TransformedMapEntry((Map.Entry) array[i], valueTransformer);
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}
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return array;
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}
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public Object[] toArray(Object array[]) {
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Object[] result = array;
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if (array.length > 0) {
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// we must create a new array to handle multi-threaded situations
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// where another thread could access data before we decorate it
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result = (Object[]) Array.newInstance(array.getClass().getComponentType(), 0);
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}
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result = collection.toArray(result);
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for (int i = 0; i < result.length; i++) {
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result[i] = new TransformedMapEntry((Map.Entry) result[i], valueTransformer);
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}
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// check to see if result should be returned straight
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if (result.length > array.length) {
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return result;
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}
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// copy back into input array to fulfil the method contract
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System.arraycopy(result, 0, array, 0, result.length);
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if (array.length > result.length) {
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array[result.length] = null;
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}
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return array;
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}
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}
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/**
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* Implementation of an entry set iterator.
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*/
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protected static class TransformedMapEntrySetIterator extends AbstractIteratorDecorator {
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/** The transformer to use */
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private final Transformer valueTransformer;
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protected TransformedMapEntrySetIterator(Iterator iterator, Transformer valueTransformer) {
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super(iterator);
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this.valueTransformer = valueTransformer;
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}
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public Object next() {
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Map.Entry entry = (Map.Entry) iterator.next();
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return new TransformedMapEntry(entry, valueTransformer);
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}
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}
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/**
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* Implementation of a map entry that transforms additions.
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*/
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protected static class TransformedMapEntry extends AbstractMapEntryDecorator {
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/** The transformer to use */
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private final Transformer valueTransformer;
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protected TransformedMapEntry(Map.Entry entry, Transformer valueTransformer) {
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super(entry);
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this.valueTransformer = valueTransformer;
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}
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public Object setValue(Object object) {
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if (valueTransformer != null) {
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object = valueTransformer.transform(object);
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}
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return entry.setValue(object);
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}
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}
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}
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@ -0,0 +1,148 @@
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/*
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* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/java/org/apache/commons/collections/decorators/Attic/TransformedSortedMap.java,v 1.1 2003/05/17 14:53:11 scolebourne Exp $
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* ====================================================================
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*
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* The Apache Software License, Version 1.1
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|
*
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* Copyright (c) 2003 The Apache Software Foundation. All rights
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|
* reserved.
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|
*
|
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|
* Redistribution and use in source and binary forms, with or without
|
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|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
*
|
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|
* 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
|
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|
* the documentation and/or other materials provided with the
|
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|
* distribution.
|
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|
*
|
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|
* 3. The end-user documentation included with the redistribution, if
|
||||||
|
* any, must include the following acknowledgment:
|
||||||
|
* "This product includes software developed by the
|
||||||
|
* Apache Software Foundation (http://www.apache.org/)."
|
||||||
|
* Alternately, this acknowledgment may appear in the software itself,
|
||||||
|
* if and wherever such third-party acknowledgments normally appear.
|
||||||
|
*
|
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|
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
|
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|
* Foundation" must not be used to endorse or promote products derived
|
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|
* from this software without prior written permission. For written
|
||||||
|
* permission, please contact apache@apache.org.
|
||||||
|
*
|
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|
* 5. Products derived from this software may not be called "Apache"
|
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|
* nor may "Apache" appear in their names without prior written
|
||||||
|
* permission of the Apache Software Foundation.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
||||||
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||||
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||||
|
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
|
||||||
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||||
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||||
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||||
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
||||||
|
* 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
|
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|
* <http://www.apache.org/>.
|
||||||
|
*
|
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|
*/
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package org.apache.commons.collections.decorators;
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import java.util.Comparator;
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import java.util.SortedMap;
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import org.apache.commons.collections.Transformer;
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/**
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* <code>TransformedSortedMap</code> decorates another <code>SortedMap </code>
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* to transform objects that are added.
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* <p>
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* The Map put methods and Map.Entry setValue method are affected by this class.
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|
* Thus objects must be removed or searched for using their transformed form.
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* For example, if the transformation converts Strings to Integers, you must
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* use the Integer form to remove objects.
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*
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* @since Commons Collections 3.0
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* @version $Revision: 1.1 $ $Date: 2003/05/17 14:53:11 $
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*
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* @author Stephen Colebourne
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*/
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public class TransformedSortedMap extends TransformedMap implements SortedMap {
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/**
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* Factory method to create a transforming sorted map.
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* <p>
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* If there are any elements already in the map being decorated, they
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* are NOT transformed.
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|
*
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* @param map the map to decorate, must not be null
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* @param keyTransformer, the predicate to validate the keys, null means no transformation
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* @param valueTransformer, the predicate to validate to values, null means no transformation
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* @throws IllegalArgumentException if the map is null
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*/
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public static SortedMap decorate(SortedMap map, Transformer keyTransformer, Transformer valueTransformer) {
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return new TransformedSortedMap(map, keyTransformer, valueTransformer);
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}
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|
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/**
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|
* Constructor that wraps (not copies).
|
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|
* <p>
|
||||||
|
* If there are any elements already in the collection being decorated, they
|
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|
* are NOT transformed.
|
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|
*
|
||||||
|
* @param map the map to decorate, must not be null
|
||||||
|
* @param keyTransformer, the predicate to validate the keys, null means no transformation
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|
* @param valueTransformer, the predicate to validate to values, null means no transformation
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|
* @throws IllegalArgumentException if the map is null
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*/
|
||||||
|
protected TransformedSortedMap(SortedMap map, Transformer keyTransformer, Transformer valueTransformer) {
|
||||||
|
super(map, keyTransformer, valueTransformer);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Gets the map being decorated.
|
||||||
|
*
|
||||||
|
* @return the decorated map
|
||||||
|
*/
|
||||||
|
protected SortedMap getSortedMap() {
|
||||||
|
return (SortedMap) map;
|
||||||
|
}
|
||||||
|
|
||||||
|
//-----------------------------------------------------------------------
|
||||||
|
public Object firstKey() {
|
||||||
|
return getSortedMap().firstKey();
|
||||||
|
}
|
||||||
|
|
||||||
|
public Object lastKey() {
|
||||||
|
return getSortedMap().lastKey();
|
||||||
|
}
|
||||||
|
|
||||||
|
public Comparator comparator() {
|
||||||
|
return getSortedMap().comparator();
|
||||||
|
}
|
||||||
|
|
||||||
|
public SortedMap subMap(Object fromKey, Object toKey) {
|
||||||
|
SortedMap map = getSortedMap().subMap(fromKey, toKey);
|
||||||
|
return new TransformedSortedMap(map, keyTransformer, valueTransformer);
|
||||||
|
}
|
||||||
|
|
||||||
|
public SortedMap headMap(Object toKey) {
|
||||||
|
SortedMap map = getSortedMap().headMap(toKey);
|
||||||
|
return new TransformedSortedMap(map, keyTransformer, valueTransformer);
|
||||||
|
}
|
||||||
|
|
||||||
|
public SortedMap tailMap(Object fromKey) {
|
||||||
|
SortedMap map = getSortedMap().tailMap(fromKey);
|
||||||
|
return new TransformedSortedMap(map, keyTransformer, valueTransformer);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -1,5 +1,5 @@
|
||||||
/*
|
/*
|
||||||
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/decorators/Attic/TestAll.java,v 1.3 2003/05/11 13:18:27 scolebourne Exp $
|
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/decorators/Attic/TestAll.java,v 1.4 2003/05/17 14:53:11 scolebourne Exp $
|
||||||
* ====================================================================
|
* ====================================================================
|
||||||
*
|
*
|
||||||
* The Apache Software License, Version 1.1
|
* The Apache Software License, Version 1.1
|
||||||
|
|
@ -65,7 +65,7 @@ import junit.framework.TestSuite;
|
||||||
* Entry point for all collections decorators tests.
|
* Entry point for all collections decorators tests.
|
||||||
*
|
*
|
||||||
* @since Commons Collections 3.0
|
* @since Commons Collections 3.0
|
||||||
* @version $Revision: 1.3 $ $Date: 2003/05/11 13:18:27 $
|
* @version $Revision: 1.4 $ $Date: 2003/05/17 14:53:11 $
|
||||||
*
|
*
|
||||||
* @author Stephen Colebourne
|
* @author Stephen Colebourne
|
||||||
*/
|
*/
|
||||||
|
|
@ -90,8 +90,10 @@ public class TestAll extends TestCase {
|
||||||
suite.addTest(TestTransformedBuffer.suite());
|
suite.addTest(TestTransformedBuffer.suite());
|
||||||
suite.addTest(TestTransformedCollection.suite());
|
suite.addTest(TestTransformedCollection.suite());
|
||||||
suite.addTest(TestTransformedList.suite());
|
suite.addTest(TestTransformedList.suite());
|
||||||
|
suite.addTest(TestTransformedMap.suite());
|
||||||
suite.addTest(TestTransformedSet.suite());
|
suite.addTest(TestTransformedSet.suite());
|
||||||
suite.addTest(TestTransformedSortedBag.suite());
|
suite.addTest(TestTransformedSortedBag.suite());
|
||||||
|
suite.addTest(TestTransformedSortedMap.suite());
|
||||||
suite.addTest(TestTransformedSortedSet.suite());
|
suite.addTest(TestTransformedSortedSet.suite());
|
||||||
return suite;
|
return suite;
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,138 @@
|
||||||
|
/*
|
||||||
|
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/decorators/Attic/TestTransformedMap.java,v 1.1 2003/05/17 14:53:11 scolebourne Exp $
|
||||||
|
* ====================================================================
|
||||||
|
*
|
||||||
|
* The Apache Software License, Version 1.1
|
||||||
|
*
|
||||||
|
* Copyright (c) 2003 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 acknowledgment:
|
||||||
|
* "This product includes software developed by the
|
||||||
|
* Apache Software Foundation (http://www.apache.org/)."
|
||||||
|
* Alternately, this acknowledgment may appear in the software itself,
|
||||||
|
* if and wherever such third-party acknowledgments normally appear.
|
||||||
|
*
|
||||||
|
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
|
||||||
|
* Foundation" must not be used to endorse or promote products derived
|
||||||
|
* from this software without prior written permission. For written
|
||||||
|
* permission, please contact apache@apache.org.
|
||||||
|
*
|
||||||
|
* 5. Products derived from this software may not be called "Apache"
|
||||||
|
* nor may "Apache" appear in their names without prior written
|
||||||
|
* permission of the Apache Software Foundation.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
||||||
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||||
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||||
|
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
|
||||||
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||||
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||||
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||||
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
||||||
|
* 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.commons.collections.decorators;
|
||||||
|
|
||||||
|
import java.util.HashMap;
|
||||||
|
import java.util.Map;
|
||||||
|
import java.util.Set;
|
||||||
|
|
||||||
|
import junit.framework.Test;
|
||||||
|
import junit.framework.TestSuite;
|
||||||
|
|
||||||
|
import org.apache.commons.collections.TestMap;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Extension of {@link TestMap} for exercising the {@link TransformedMap}
|
||||||
|
* implementation.
|
||||||
|
*
|
||||||
|
* @since Commons Collections 3.0
|
||||||
|
* @version $Revision: 1.1 $ $Date: 2003/05/17 14:53:11 $
|
||||||
|
*
|
||||||
|
* @author Stephen Colebourne
|
||||||
|
*/
|
||||||
|
public class TestTransformedMap extends TestMap {
|
||||||
|
|
||||||
|
public TestTransformedMap(String testName) {
|
||||||
|
super(testName);
|
||||||
|
}
|
||||||
|
|
||||||
|
public static Test suite() {
|
||||||
|
return new TestSuite(TestTransformedMap.class);
|
||||||
|
}
|
||||||
|
|
||||||
|
public static void main(String args[]) {
|
||||||
|
String[] testCaseName = { TestTransformedMap.class.getName()};
|
||||||
|
junit.textui.TestRunner.main(testCaseName);
|
||||||
|
}
|
||||||
|
|
||||||
|
public Map makeEmptyMap() {
|
||||||
|
return TransformedMap.decorate(new HashMap(), TestTransformedCollection.NOOP_TRANSFORMER, TestTransformedCollection.NOOP_TRANSFORMER);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void testTransformedMap() {
|
||||||
|
Object[] els = new Object[] {"1", "3", "5", "7", "2", "4", "6"};
|
||||||
|
|
||||||
|
Map map = TransformedMap.decorate(new HashMap(), TestTransformedCollection.STRING_TO_INTEGER_TRANSFORMER, null);
|
||||||
|
assertEquals(0, map.size());
|
||||||
|
for (int i = 0; i < els.length; i++) {
|
||||||
|
map.put(els[i], els[i]);
|
||||||
|
assertEquals(i + 1, map.size());
|
||||||
|
assertEquals(true, map.containsKey(new Integer((String) els[i])));
|
||||||
|
assertEquals(false, map.containsKey(els[i]));
|
||||||
|
assertEquals(true, map.containsValue(els[i]));
|
||||||
|
assertEquals(els[i], map.get(new Integer((String) els[i])));
|
||||||
|
}
|
||||||
|
|
||||||
|
assertEquals(null, map.remove(els[0]));
|
||||||
|
assertEquals(els[0], map.remove(new Integer((String) els[0])));
|
||||||
|
|
||||||
|
map = TransformedMap.decorate(new HashMap(), null, TestTransformedCollection.STRING_TO_INTEGER_TRANSFORMER);
|
||||||
|
assertEquals(0, map.size());
|
||||||
|
for (int i = 0; i < els.length; i++) {
|
||||||
|
map.put(els[i], els[i]);
|
||||||
|
assertEquals(i + 1, map.size());
|
||||||
|
assertEquals(true, map.containsValue(new Integer((String) els[i])));
|
||||||
|
assertEquals(false, map.containsValue(els[i]));
|
||||||
|
assertEquals(true, map.containsKey(els[i]));
|
||||||
|
assertEquals(new Integer((String) els[i]), map.get(els[i]));
|
||||||
|
}
|
||||||
|
|
||||||
|
assertEquals(new Integer((String) els[0]), map.remove(els[0]));
|
||||||
|
|
||||||
|
Set entrySet = map.entrySet();
|
||||||
|
Map.Entry[] array = (Map.Entry[]) entrySet.toArray(new Map.Entry[0]);
|
||||||
|
array[0].setValue("66");
|
||||||
|
assertEquals(new Integer(66), array[0].getValue());
|
||||||
|
assertEquals(new Integer(66), map.get(array[0].getKey()));
|
||||||
|
|
||||||
|
Map.Entry entry = (Map.Entry) entrySet.iterator().next();
|
||||||
|
entry.setValue("88");
|
||||||
|
assertEquals(new Integer(88), entry.getValue());
|
||||||
|
assertEquals(new Integer(88), map.get(entry.getKey()));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,138 @@
|
||||||
|
/*
|
||||||
|
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/decorators/Attic/TestTransformedSortedMap.java,v 1.1 2003/05/17 14:53:11 scolebourne Exp $
|
||||||
|
* ====================================================================
|
||||||
|
*
|
||||||
|
* The Apache Software License, Version 1.1
|
||||||
|
*
|
||||||
|
* Copyright (c) 2003 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 acknowledgment:
|
||||||
|
* "This product includes software developed by the
|
||||||
|
* Apache Software Foundation (http://www.apache.org/)."
|
||||||
|
* Alternately, this acknowledgment may appear in the software itself,
|
||||||
|
* if and wherever such third-party acknowledgments normally appear.
|
||||||
|
*
|
||||||
|
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
|
||||||
|
* Foundation" must not be used to endorse or promote products derived
|
||||||
|
* from this software without prior written permission. For written
|
||||||
|
* permission, please contact apache@apache.org.
|
||||||
|
*
|
||||||
|
* 5. Products derived from this software may not be called "Apache"
|
||||||
|
* nor may "Apache" appear in their names without prior written
|
||||||
|
* permission of the Apache Software Foundation.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
||||||
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||||
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||||
|
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
|
||||||
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||||
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||||
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||||
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
||||||
|
* 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.commons.collections.decorators;
|
||||||
|
|
||||||
|
import java.util.HashMap;
|
||||||
|
import java.util.Map;
|
||||||
|
import java.util.Set;
|
||||||
|
|
||||||
|
import junit.framework.Test;
|
||||||
|
import junit.framework.TestSuite;
|
||||||
|
|
||||||
|
import org.apache.commons.collections.TestSortedMap;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Extension of {@link TestSortedMap} for exercising the {@link TransformedSortedMap}
|
||||||
|
* implementation.
|
||||||
|
*
|
||||||
|
* @since Commons Collections 3.0
|
||||||
|
* @version $Revision: 1.1 $ $Date: 2003/05/17 14:53:11 $
|
||||||
|
*
|
||||||
|
* @author Stephen Colebourne
|
||||||
|
*/
|
||||||
|
public class TestTransformedSortedMap extends TestSortedMap {
|
||||||
|
|
||||||
|
public TestTransformedSortedMap(String testName) {
|
||||||
|
super(testName);
|
||||||
|
}
|
||||||
|
|
||||||
|
public static Test suite() {
|
||||||
|
return new TestSuite(TestTransformedSortedMap.class);
|
||||||
|
}
|
||||||
|
|
||||||
|
public static void main(String args[]) {
|
||||||
|
String[] testCaseName = { TestTransformedSortedMap.class.getName()};
|
||||||
|
junit.textui.TestRunner.main(testCaseName);
|
||||||
|
}
|
||||||
|
|
||||||
|
public Map makeEmptyMap() {
|
||||||
|
return TransformedMap.decorate(new HashMap(), TestTransformedCollection.NOOP_TRANSFORMER, TestTransformedCollection.NOOP_TRANSFORMER);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void testTransformedMap() {
|
||||||
|
Object[] els = new Object[] {"1", "3", "5", "7", "2", "4", "6"};
|
||||||
|
|
||||||
|
Map map = TransformedMap.decorate(new HashMap(), TestTransformedCollection.STRING_TO_INTEGER_TRANSFORMER, null);
|
||||||
|
assertEquals(0, map.size());
|
||||||
|
for (int i = 0; i < els.length; i++) {
|
||||||
|
map.put(els[i], els[i]);
|
||||||
|
assertEquals(i + 1, map.size());
|
||||||
|
assertEquals(true, map.containsKey(new Integer((String) els[i])));
|
||||||
|
assertEquals(false, map.containsKey(els[i]));
|
||||||
|
assertEquals(true, map.containsValue(els[i]));
|
||||||
|
assertEquals(els[i], map.get(new Integer((String) els[i])));
|
||||||
|
}
|
||||||
|
|
||||||
|
assertEquals(null, map.remove(els[0]));
|
||||||
|
assertEquals(els[0], map.remove(new Integer((String) els[0])));
|
||||||
|
|
||||||
|
map = TransformedMap.decorate(new HashMap(), null, TestTransformedCollection.STRING_TO_INTEGER_TRANSFORMER);
|
||||||
|
assertEquals(0, map.size());
|
||||||
|
for (int i = 0; i < els.length; i++) {
|
||||||
|
map.put(els[i], els[i]);
|
||||||
|
assertEquals(i + 1, map.size());
|
||||||
|
assertEquals(true, map.containsValue(new Integer((String) els[i])));
|
||||||
|
assertEquals(false, map.containsValue(els[i]));
|
||||||
|
assertEquals(true, map.containsKey(els[i]));
|
||||||
|
assertEquals(new Integer((String) els[i]), map.get(els[i]));
|
||||||
|
}
|
||||||
|
|
||||||
|
assertEquals(new Integer((String) els[0]), map.remove(els[0]));
|
||||||
|
|
||||||
|
Set entrySet = map.entrySet();
|
||||||
|
Map.Entry[] array = (Map.Entry[]) entrySet.toArray(new Map.Entry[0]);
|
||||||
|
array[0].setValue("66");
|
||||||
|
assertEquals(new Integer(66), array[0].getValue());
|
||||||
|
assertEquals(new Integer(66), map.get(array[0].getKey()));
|
||||||
|
|
||||||
|
Map.Entry entry = (Map.Entry) entrySet.iterator().next();
|
||||||
|
entry.setValue("88");
|
||||||
|
assertEquals(new Integer(88), entry.getValue());
|
||||||
|
assertEquals(new Integer(88), map.get(entry.getKey()));
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue