/*******************************************************************************
 * Copyright (c) 2010 Angelo Zerr 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:
 *   Angelo ZERR <angelo.zerr@gmail.com>. - initial API and implementation
 ******************************************************************************/
package org.eclipse.ecf.springframework;

import org.eclipse.ecf.core.ContainerCreateException;
import org.eclipse.ecf.core.ContainerFactory;
import org.eclipse.ecf.core.IContainer;
import org.eclipse.ecf.core.IContainerFactory;
import org.eclipse.ecf.core.IContainerManager;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;

/**
 * Abstract {@link org.springframework.beans.factory.FactoryBean} that creates
 * ECF container {@link IContainer}.
 * 
 */
public abstract class AbstractContainerFactoryBean implements FactoryBean,
		InitializingBean, DisposableBean {

	private IContainer container = null;

	private String containerType = null;

	private IContainerFactory containerFactory = null;

	public void setContainerManager(IContainerManager containerManager) {
		setContainerFactory(containerManager.getContainerFactory());
	}

	public void setContainerFactory(IContainerFactory containerFactory) {
		this.containerFactory = containerFactory;
	}

	protected IContainerFactory getContainerFactory() {
		return containerFactory;
	}

	public void setContainerType(String containerType) {
		this.containerType = containerType;
	}

	protected String getContainerType() {
		return containerType;
	}

	// public void setConnectContext(IConnectContext connectContext) {
	// this.connectContext = connectContext;
	// }

	public Object getObject() throws Exception {
		return this.container;
	}

	public Class getObjectType() {
		return (this.container != null ? this.container.getClass()
				: IContainer.class);
	}

	public boolean isSingleton() {
		return true;
	}

	public void afterPropertiesSet() throws Exception {

		if (containerFactory == null) {
			containerFactory = ContainerFactory.getDefault();
		}

		this.container = createContainer();
	}

	public void destroy() throws Exception {
		if (this.container != null) {
			this.container.disconnect();
			this.container.dispose();
		}
		this.container = null;
		this.containerType = null;
		this.containerFactory = null;
	}

	protected IContainer createBasicContainer() throws ContainerCreateException {
		return containerFactory.createContainer(this.containerType);
	}

	protected abstract IContainer createContainer() throws Exception;
}