/*******************************************************************************
 * Copyright (c) 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package model;

import java.util.Calendar;

import javax.xml.rpc.ServiceException;

import org.eclipse.ui.examples.rcp.adventure.Catalog;

import dk.jaoo.abwsclient.catalog.CatalogIntf;
import dk.jaoo.abwsclient.catalog.CatalogServiceLocator;

/**
 * A web service implementation of the catalog service. This does not cache the
 * result.
 */
public class WebCatalogService implements ICatalogService {

	/**
	 * Returns the Catalog service interface at the server address specified in
	 * the preferences.
	 * 
	 * @return the purchase order service interface
	 * @throws ServiceException
	 */
	private CatalogIntf getCatalogIntf() throws ServiceException {
		java.net.URL endpoint;
		try {
			String serverAddress = AdventureBuilderModel.getDefault()
					.getServerAddress();
			endpoint = new java.net.URL(serverAddress
					+ "/catalogservice/CatalogService");
		} catch (java.net.MalformedURLException e) {
			throw new javax.xml.rpc.ServiceException(e);
		}
		return new CatalogServiceLocator().getCatalogIntfPort(endpoint);
	}

	public Catalog getCatalog() {
		try {
			long t = System.currentTimeMillis();
			dk.jaoo.abwsclient.catalog.Catalog webCatalog = getCatalogIntf()
					.getCatalog();
			t = System.currentTimeMillis() - t;
			System.out.println("WebCatalogService: time to getCatalog: " + t);
			Catalog catalog = CatalogUtil.convertCatalog(webCatalog);
			catalog.setTimeToRead(t);
			catalog.setSource("Web Service");
			return catalog;
		} catch (Exception e) {
			// TODO: improve error handling
			e.printStackTrace();
			return null;
		}
	}

	public Calendar getLastModified() {
		try {
			long t = System.currentTimeMillis();
			Calendar lastModified = getCatalogIntf().getLastModified();
			t = System.currentTimeMillis() - t;
			System.out.println("WebCatalogService: time to getLastModified: " + t);
			return lastModified;
		} catch (Exception e) {
			// TODO: improve error handling
			e.printStackTrace();
			return null;
		}
	}

}