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
commit
7bbd45c3ec
|
|
@ -0,0 +1,280 @@
|
|||
/*
|
||||
* $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 $
|
||||
* ====================================================================
|
||||
*
|
||||
* 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.lang.reflect.Array;
|
||||
import java.util.HashMap;
|
||||
import java.util.Iterator;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
|
||||
import org.apache.commons.collections.Transformer;
|
||||
|
||||
/**
|
||||
* <code>TransformedMap</code> decorates another <code>Map</code>
|
||||
* to transform objects that are added.
|
||||
* <p>
|
||||
* The Map put methods and Map.Entry setValue method are affected by this class.
|
||||
* Thus objects must be removed or searched for using their transformed form.
|
||||
* For example, if the transformation converts Strings to Integers, you must
|
||||
* use the Integer form to remove objects.
|
||||
*
|
||||
* @since Commons Collections 3.0
|
||||
* @version $Revision: 1.1 $ $Date: 2003/05/17 14:53:11 $
|
||||
*
|
||||
* @author Stephen Colebourne
|
||||
*/
|
||||
public class TransformedMap extends AbstractMapDecorator {
|
||||
|
||||
/** The transformer to use for the key */
|
||||
protected final Transformer keyTransformer;
|
||||
/** The transformer to use for the value */
|
||||
protected final Transformer valueTransformer;
|
||||
|
||||
/**
|
||||
* Factory method to create a transforming map.
|
||||
* <p>
|
||||
* If there are any elements already in the map being decorated, they
|
||||
* are NOT transformed.
|
||||
*
|
||||
* @param map the map to decorate, must not be null
|
||||
* @param keyTransformer the transformer to use for key conversion, null means no conversion
|
||||
* @param valueTransformer the transformer to use for value conversion, null means no conversion
|
||||
* @throws IllegalArgumentException if map is null
|
||||
*/
|
||||
public static Map decorate(Map map, Transformer keyTransformer, Transformer valueTransformer) {
|
||||
return new TransformedMap(map, keyTransformer, valueTransformer);
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructor that wraps (not copies).
|
||||
* <p>
|
||||
* If there are any elements already in the collection being decorated, they
|
||||
* are NOT transformed.
|
||||
*
|
||||
* @param map the map to decorate, must not be null
|
||||
* @param keyTransformer the transformer to use for key conversion, null means no conversion
|
||||
* @param valueTransformer the transformer to use for value conversion, null means no conversion
|
||||
* @throws IllegalArgumentException if map is null
|
||||
*/
|
||||
protected TransformedMap(Map map, Transformer keyTransformer, Transformer valueTransformer) {
|
||||
super(map);
|
||||
this.keyTransformer = keyTransformer;
|
||||
this.valueTransformer = valueTransformer;
|
||||
}
|
||||
|
||||
/**
|
||||
* Transforms a key.
|
||||
* <p>
|
||||
* The transformer itself may throw an exception if necessary.
|
||||
*
|
||||
* @param object the object to transform
|
||||
* @throws the transformed object
|
||||
*/
|
||||
protected Object transformKey(Object object) {
|
||||
if (keyTransformer == null) {
|
||||
return object;
|
||||
}
|
||||
return keyTransformer.transform(object);
|
||||
}
|
||||
|
||||
/**
|
||||
* Transforms a value.
|
||||
* <p>
|
||||
* The transformer itself may throw an exception if necessary.
|
||||
*
|
||||
* @param object the object to transform
|
||||
* @throws the transformed object
|
||||
*/
|
||||
protected Object transformValue(Object object) {
|
||||
if (valueTransformer == null) {
|
||||
return object;
|
||||
}
|
||||
return valueTransformer.transform(object);
|
||||
}
|
||||
|
||||
/**
|
||||
* Transforms a map.
|
||||
* <p>
|
||||
* The transformer itself may throw an exception if necessary.
|
||||
*
|
||||
* @param map the map to transform
|
||||
* @throws the transformed object
|
||||
*/
|
||||
protected Map transformMap(Map map) {
|
||||
Map result = new HashMap(map.size());
|
||||
for (Iterator it = map.entrySet().iterator(); it.hasNext(); ) {
|
||||
Map.Entry entry = (Map.Entry) it.next();
|
||||
result.put(transformKey(entry.getKey()), transformValue(entry.getValue()));
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
//-----------------------------------------------------------------------
|
||||
public Object put(Object key, Object value) {
|
||||
key = transformKey(key);
|
||||
value = transformValue(value);
|
||||
return getMap().put(key, value);
|
||||
}
|
||||
|
||||
public void putAll(Map mapToCopy) {
|
||||
mapToCopy = transformMap(mapToCopy);
|
||||
getMap().putAll(mapToCopy);
|
||||
}
|
||||
|
||||
public Set entrySet() {
|
||||
if (valueTransformer == null) {
|
||||
return map.entrySet();
|
||||
}
|
||||
return new TransformedMapEntrySet(map.entrySet(), valueTransformer);
|
||||
}
|
||||
|
||||
|
||||
//-----------------------------------------------------------------------
|
||||
/**
|
||||
* Implementation of an entry set that uses a transforming map entry.
|
||||
*/
|
||||
protected static class TransformedMapEntrySet extends AbstractCollectionDecorator implements Set {
|
||||
|
||||
/** The transformer to use */
|
||||
private final Transformer valueTransformer;
|
||||
|
||||
protected TransformedMapEntrySet(Set set, Transformer valueTransformer) {
|
||||
super(set);
|
||||
this.valueTransformer = valueTransformer;
|
||||
}
|
||||
|
||||
public Iterator iterator() {
|
||||
return new TransformedMapEntrySetIterator(collection.iterator(), valueTransformer);
|
||||
}
|
||||
|
||||
public Object[] toArray() {
|
||||
Object[] array = collection.toArray();
|
||||
for (int i = 0; i < array.length; i++) {
|
||||
array[i] = new TransformedMapEntry((Map.Entry) array[i], valueTransformer);
|
||||
}
|
||||
return array;
|
||||
}
|
||||
|
||||
public Object[] toArray(Object array[]) {
|
||||
Object[] result = array;
|
||||
if (array.length > 0) {
|
||||
// we must create a new array to handle multi-threaded situations
|
||||
// where another thread could access data before we decorate it
|
||||
result = (Object[]) Array.newInstance(array.getClass().getComponentType(), 0);
|
||||
}
|
||||
result = collection.toArray(result);
|
||||
for (int i = 0; i < result.length; i++) {
|
||||
result[i] = new TransformedMapEntry((Map.Entry) result[i], valueTransformer);
|
||||
}
|
||||
|
||||
// check to see if result should be returned straight
|
||||
if (result.length > array.length) {
|
||||
return result;
|
||||
}
|
||||
|
||||
// copy back into input array to fulfil the method contract
|
||||
System.arraycopy(result, 0, array, 0, result.length);
|
||||
if (array.length > result.length) {
|
||||
array[result.length] = null;
|
||||
}
|
||||
return array;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Implementation of an entry set iterator.
|
||||
*/
|
||||
protected static class TransformedMapEntrySetIterator extends AbstractIteratorDecorator {
|
||||
|
||||
/** The transformer to use */
|
||||
private final Transformer valueTransformer;
|
||||
|
||||
protected TransformedMapEntrySetIterator(Iterator iterator, Transformer valueTransformer) {
|
||||
super(iterator);
|
||||
this.valueTransformer = valueTransformer;
|
||||
}
|
||||
|
||||
public Object next() {
|
||||
Map.Entry entry = (Map.Entry) iterator.next();
|
||||
return new TransformedMapEntry(entry, valueTransformer);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Implementation of a map entry that transforms additions.
|
||||
*/
|
||||
protected static class TransformedMapEntry extends AbstractMapEntryDecorator {
|
||||
|
||||
/** The transformer to use */
|
||||
private final Transformer valueTransformer;
|
||||
|
||||
protected TransformedMapEntry(Map.Entry entry, Transformer valueTransformer) {
|
||||
super(entry);
|
||||
this.valueTransformer = valueTransformer;
|
||||
}
|
||||
|
||||
public Object setValue(Object object) {
|
||||
if (valueTransformer != null) {
|
||||
object = valueTransformer.transform(object);
|
||||
}
|
||||
return entry.setValue(object);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,148 @@
|
|||
/*
|
||||
* $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 $
|
||||
* ====================================================================
|
||||
*
|
||||
* 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.Comparator;
|
||||
import java.util.SortedMap;
|
||||
|
||||
import org.apache.commons.collections.Transformer;
|
||||
|
||||
/**
|
||||
* <code>TransformedSortedMap</code> decorates another <code>SortedMap </code>
|
||||
* to transform objects that are added.
|
||||
* <p>
|
||||
* The Map put methods and Map.Entry setValue method are affected by this class.
|
||||
* Thus objects must be removed or searched for using their transformed form.
|
||||
* For example, if the transformation converts Strings to Integers, you must
|
||||
* use the Integer form to remove objects.
|
||||
*
|
||||
* @since Commons Collections 3.0
|
||||
* @version $Revision: 1.1 $ $Date: 2003/05/17 14:53:11 $
|
||||
*
|
||||
* @author Stephen Colebourne
|
||||
*/
|
||||
public class TransformedSortedMap extends TransformedMap implements SortedMap {
|
||||
|
||||
/**
|
||||
* Factory method to create a transforming sorted map.
|
||||
* <p>
|
||||
* If there are any elements already in the map being decorated, they
|
||||
* are NOT transformed.
|
||||
*
|
||||
* @param map the map to decorate, must not be null
|
||||
* @param keyTransformer, the predicate to validate the keys, null means no transformation
|
||||
* @param valueTransformer, the predicate to validate to values, null means no transformation
|
||||
* @throws IllegalArgumentException if the map is null
|
||||
*/
|
||||
public static SortedMap decorate(SortedMap map, Transformer keyTransformer, Transformer valueTransformer) {
|
||||
return new TransformedSortedMap(map, keyTransformer, valueTransformer);
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructor that wraps (not copies).
|
||||
* <p>
|
||||
* If there are any elements already in the collection being decorated, they
|
||||
* are NOT transformed.
|
||||
*
|
||||
* @param map the map to decorate, must not be null
|
||||
* @param keyTransformer, the predicate to validate the keys, null means no transformation
|
||||
* @param valueTransformer, the predicate to validate to values, null means no transformation
|
||||
* @throws IllegalArgumentException if the map is null
|
||||
*/
|
||||
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
|
||||
|
|
@ -65,7 +65,7 @@ import junit.framework.TestSuite;
|
|||
* Entry point for all collections decorators tests.
|
||||
*
|
||||
* @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
|
||||
*/
|
||||
|
|
@ -90,8 +90,10 @@ public class TestAll extends TestCase {
|
|||
suite.addTest(TestTransformedBuffer.suite());
|
||||
suite.addTest(TestTransformedCollection.suite());
|
||||
suite.addTest(TestTransformedList.suite());
|
||||
suite.addTest(TestTransformedMap.suite());
|
||||
suite.addTest(TestTransformedSet.suite());
|
||||
suite.addTest(TestTransformedSortedBag.suite());
|
||||
suite.addTest(TestTransformedSortedMap.suite());
|
||||
suite.addTest(TestTransformedSortedSet.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