ErrorReporting/org.eclipse.emf.emfstore.client.ui.errorreporting/src/org/eclipse/emf/emfstore/client/ui/errorreporting/ExceptionLog.java

/*******************************************************************************
 * Copyright (c) 2012 EclipseSource Muenchen GmbH.
 * 
 * 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:
 ******************************************************************************/
package org.eclipse.emf.emfstore.client.ui.errorreporting;

import java.util.ArrayList;
import java.util.List;

/**
 * Class for logging exceptions.
 * 
 * @author Maximilian Koegel
 */
public class ExceptionLog {

	private List<Exception> exceptions;
	private EmfStoreExceptionObserver exceptionObserver;

	/**
	 * Constructor.
	 * 
	 * @param exceptionObserver
	 *            the exception that is used to notify this class when to add exceptions
	 */
	public ExceptionLog(EmfStoreExceptionObserver exceptionObserver) {
		this.exceptions = new ArrayList<Exception>();
		this.exceptionObserver = exceptionObserver;
		exceptionObserver.addLog(this);
	}

	/**
	 * Adds and exception to the log.
	 * 
	 * @param exception
	 *            the exception to be added
	 */
	public void addException(Exception exception) {
		exceptions.add(exception);
	}

	/**
	 * Destroys the exception log.
	 * 
	 * @return the list of collected exceptions
	 */
	public List<Exception> destroy() {
		exceptionObserver.removeLog(this);
		return exceptions;
	}
}