/*******************************************************************************
 * Copyright (c) 2008 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 component.a;

import component.a.internal.InternalClass;

/**
 * Leaks an internal class in API
 */
public class LeakInternalClass {
	
	public A safeField;
	
	/**
	 * No leak for default protection
	 */
	InternalClass safeDefaultField;
	
	/**
	 * Leak a protected field to subclasses
	 */
	protected InternalClass leakProtectedField;
	 
	/**
	 * Leaking
	 */
	public InternalClass leakPublicField;
	
	/**
	 * Private field cannot be seen, and is not a leak
	 */
	private InternalClass privateAvoidsLeak;
	
	/**
	 * Leaks an internal class in return type.
	 */
	public InternalClass leakReturnType() {
		return new InternalClass();
	}
	
	/**
	 * Safe
	 */
	public INoImplementInterface noLeaksHere(INoImplementInterface arg) {
		return arg;
	}
	
	/**
	 * Leaks a parameter.
	 */
	public INoImplementInterface leakParameter(InternalClass leak) {
		return null;
	}

	/**
	 * Private method avoids a leak.
	 */
	private void privateAvoidsParameterLeak(InternalClass noLeak) {
		
	}
	
	/**
	 * Can be seen by subclasses.
	 * 
	 * @return
	 */
	protected InternalClass protectedReturnTypeLeak() {
		return new InternalClass();
	}

	/**
	 * Leaks a parameter type.
	 * 
	 * @param leak
	 * @return
	 */
	protected INoImplementInterface protectedParameterLeak(InternalClass leak) {
		return null;
	}
}