storefrontdebugserviceimpl.java

《基于Eclipse的开源框架技术与实战》[第5章]随书源码

package com.free.struts.storefront.service;

import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

import javax.servlet.ServletContext;

import com.free.struts.storefront.businessobjects.CustomerBO;
import com.free.struts.storefront.businessobjects.ItemBO;
import com.free.struts.storefront.catalog.view.ItemDetailView;
import com.free.struts.storefront.catalog.view.ItemSummaryView;
import com.free.struts.storefront.customer.view.UserView;
import com.free.struts.storefront.framework.exceptions.AccountLockedException;
import com.free.struts.storefront.framework.exceptions.DatastoreException;
import com.free.struts.storefront.framework.exceptions.ExpiredPasswordException;
import com.free.struts.storefront.framework.exceptions.InvalidLoginException;
import com.free.struts.storefront.service.memory.StorefrontMemoryDatabase;

/**
 * <p>Title: Eclipse Plugin Development</p>
 * <p>Description: Free download</p>
 * <p>Copyright: Copyright (c) 2006</p>
 * <p>Company: Free</p>
 * @author gan.shu.man
 * @version 1.0
 */

public class StorefrontDebugServiceImpl implements IStorefrontService {
	//	          
	private String pathname = "database.xml";
	ServletContext servletContext = null;
	private String serviceClassname = null;
	private StorefrontMemoryDatabase database = null;

	public StorefrontDebugServiceImpl() {
		super();
		initializeDatabase();
	}

	public String getPathname() {
		return (this.pathname);
	}

	public void setPathname(String pathname) {
		this.pathname = pathname;
	}

	public void setServletContext(ServletContext ctx) {
		this.servletContext = ctx;
	}

	public ServletContext getServletContext() {
		return servletContext;
	}

	public StorefrontMemoryDatabase getDatabase() {
		return database;
	}

	/**
	 * 获得商品的信息
	 * */
	public List getFeaturedItems() throws DatastoreException {
		List items = new ArrayList();
		Collection coll = getDatabase().getFeaturedItems();
		Iterator iter = coll.iterator();
		while (iter.hasNext()) {
			ItemBO itemBO = (ItemBO) iter.next();
			ItemSummaryView view = new ItemSummaryView();
			view.setName(itemBO.getDisplayLabel());
			view.setDescription(itemBO.getDescription());
			view.setUnitPrice(itemBO.getBasePrice());
			view.setId(itemBO.getId().toString());
			view.setSmallImageURL(itemBO.getSmallImageURL());
			items.add(view);
		}
		return items;
	}

	/**
	 * 通过id获得商品的详细信息
	 * */
	public ItemDetailView getItemDetailView(String itemId)
		throws DatastoreException {
		ItemBO item = getDatabase().findItem(itemId);

		ItemDetailView view = new ItemDetailView();
		view.setId(item.getId().toString());
		view.setLargeImageURL(item.getLargeImageURL());
		view.setSmallImageURL(item.getSmallImageURL());
		view.setDescription(item.getDescription());
		view.setName(item.getDisplayLabel());
		view.setUnitPrice(item.getBasePrice());
		return view;
	}

	public void logout(String email) {
		// Do nothing for this example
	}

	/**
	 * 验证用户是否授权
	 */
	public UserView authenticate(String email, String password)
		throws
			InvalidLoginException,
			ExpiredPasswordException,
			AccountLockedException,
			DatastoreException {

		CustomerBO customer = getDatabase().authenticateUser(email, password);
		if (customer != null) {
			UserView view = new UserView();
			view.setFirstName(customer.getFirstName());
			view.setLastName(customer.getLastName());
			view.setEmailAddress(customer.getEmail());
			view.setId(customer.getId().toString());
			view.setTimeCreated(new Timestamp(System.currentTimeMillis()));
			return view;
		} else {
			throw new InvalidLoginException();
		}
	}

	/**
	 * @return
	 */
	public String getServiceClassname() {
		return serviceClassname;
	}

	/**
	 * @param string
	 */
	public void setServiceClassname(String string) {
		serviceClassname = string;
	}

	public void destroy() {
		// Do nothing for this example
	}

	/**
	 * 初始化数据
	 * */
	private void initializeDatabase() {
		database = new StorefrontMemoryDatabase();
		//设置数据文件
		database.setPathname(pathname);
		database.open();
		setDatabase(database);
	}
	/**
	 * @param database
	 */
	public void setDatabase(StorefrontMemoryDatabase database) {
		this.database = database;
	}

}