/* 
 * Copyright 2003,2004,2005 Colin Crist
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */

package hermes.impl;

import hermes.Domain;
import hermes.Hermes;
import hermes.browser.HermesBrowser;
import hermes.config.DestinationConfig;

import org.apache.commons.beanutils.BeanUtils;

/**
 * @author colincrist@hermesjms.com
 * @version $Id: DestinationConfigKeyWrapper.java,v 1.3 2005/08/15 20:37:24
 *          colincrist Exp $
 */

public class DestinationConfigKeyWrapper {
	private final DestinationConfig config;
	private Hermes hermes;

	public DestinationConfigKeyWrapper(Hermes hermes, DestinationConfig config) {
		this.config = config;
		this.hermes = hermes;
	}

	@Override
	public String toString() {
		try {
			return BeanUtils.describe(config).toString();
		} catch (Exception e) {
			return e.getMessage();
		}
	}

	public DestinationConfigKeyWrapper(DestinationConfig config) {
		this(null, config);
	}

	public DestinationConfigKeyWrapper(String destinationName, Domain domain) {
		config = HermesBrowser.getConfigDAO().createDestinationConfig(destinationName, domain);
	}

	public Hermes getHermes() {
		return hermes;
	}

	public DestinationConfig getConfig() {
		return config;
	}

	@Override
	public boolean equals(Object obj) {
		if (obj instanceof DestinationConfigKeyWrapper) {
			DestinationConfigKeyWrapper other = (DestinationConfigKeyWrapper) obj;

			if (hermes == null || hermes.getId().equals(other.hermes.getId())) {
				if (config.getDomain() == other.config.getDomain()) {
					if (config.getName().equals(other.config.getName())) {
						if ((config.getSelector() == null && other.config.getSelector() == null) || (config.getSelector().equals(other.config.getSelector()))) {
							if (config.getDomain() == Domain.TOPIC.getId() && other.config.getDomain() == Domain.TOPIC.getId()) {
								if (config.isDurable() && other.config.isDurable()) {
									return config.getClientID() != null && config.getClientID().equals(other.config.getClientID());
								} else if (!config.isDurable() && !other.config.isDurable()) {
									return true;
								}
							} else {
								return true;
							}
						}
					}
				}
			}
		}

		return false;
	}

	@Override
	public int hashCode() {
		StringBuffer buffer = new StringBuffer();
		buffer.append(Domain.getDomain(config.getDomain())).append(config.getName()).append(config.getSelector());

		if (config.getDomain() == Domain.TOPIC.getId()) {
			buffer.append(config.isDurable()).append(config.getClientID());
		}

		return buffer.toString().hashCode();
	}

}