/*
* $Header: /home/cvs/jakarta-commons/primitives/src/java/org/apache/commons/collections/primitives/adapters/CollectionCharCollection.java,v 1.3 2003/10/16 20:49:38 scolebourne Exp $
* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2003 The Apache Software Foundation. All rights
* reserved.
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* 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
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* 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 acknowledgement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgement may appear in the software itself,
* if and wherever such third-party acknowledgements normally appear.
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* 5. Products derived from this software may not be called "Apache"
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* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
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*
*/
package org.apache.commons.collections.primitives.adapters;
import java.io.Serializable;
import java.util.Collection;
import org.apache.commons.collections.primitives.CharCollection;
/**
* Adapts a {@link java.lang.Number Number}-valued
* {@link java.util.Collection Collection} to the
* {@link CharCollection CharCollection} interface.
* <p />
* This implementation delegates most methods
* to the provided {@link Collection Collection}
* implementation in the "obvious" way.
*
* @since Commons Primitives 1.0
* @version $Revision: 1.3 $ $Date: 2003/10/16 20:49:38 $
* @author Rodney Waldhoff
*/
final public class CollectionCharCollection extends AbstractCollectionCharCollection implements Serializable {
/**
* Create an {@link CharCollection CharCollection} wrapping
* the specified {@link Collection Collection}. When
* the given <i>collection</i> is <code>null</code>,
* returns <code>null</code>.
*
* @param collection the (possibly <code>null</code>) {@link Collection} to wrap
* @return an {@link CharCollection CharCollection} wrapping the given
* <i>collection</i>, or <code>null</code> when <i>collection</i> is
* <code>null</code>.
*/
public static CharCollection wrap(Collection collection) {
if(null == collection) {
return null;
} else if(collection instanceof Serializable) {
return new CollectionCharCollection(collection);
} else {
return new NonSerializableCollectionCharCollection(collection);
}
}
/**
* Creates an {@link CharCollection CharCollection} wrapping
* the specified {@link Collection Collection}.
* @see #wrap
*/
public CollectionCharCollection(Collection collection) {
_collection = collection;
}
protected Collection getCollection() {
return _collection;
}
private Collection _collection = null;
}
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