tests/org.eclipse.core.expressions.tests/src/org/eclipse/core/internal/expressions/tests/CollectionAdapterFactory.java

/*******************************************************************************
 * Copyright (c) 2007 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.core.internal.expressions.tests;

import java.util.Collection;
import java.util.Iterator;

import org.eclipse.core.runtime.IAdapterFactory;

import org.eclipse.core.expressions.ICountable;
import org.eclipse.core.expressions.IIterable;


public class CollectionAdapterFactory implements IAdapterFactory {

	public Object getAdapter(final Object adaptableObject, Class adapterType) {
		if (adapterType.equals(IIterable.class) && adaptableObject instanceof ExpressionTests.CollectionWrapper) {
			return new IIterable() {
				public Iterator iterator() {
					return ((ExpressionTests.CollectionWrapper)adaptableObject).collection.iterator();
				}
			};			
		}
		if (adapterType.equals(ICountable.class) && adaptableObject instanceof ExpressionTests.CollectionWrapper) {
			return new ICountable() {
				public int count() {
					return ((ExpressionTests.CollectionWrapper)adaptableObject).collection.size();
				}
			};			
		}
		return null;
	}

	public Class[] getAdapterList() {
		return new Class[] {Collection.class};
	}

}