librarysession.java

Wicket一个开发Java Web应用程序框架。它使得开发web应用程序变得容易而轻松。 Wicket利用一个POJO data beans组件使得它可以与任何持久层技术相结合。

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.wicket.examples.library;

import java.util.List;

import org.apache.wicket.Request;
import org.apache.wicket.protocol.http.WebApplication;
import org.apache.wicket.protocol.http.WebSession;


/**
 * Session class for library example. Holds User object and authenticates users.
 * 
 * @author Jonathan Locke
 */
public final class LibrarySession extends WebSession
{
	private User user;

	/**
	 * Constructor
	 * 
	 * @param application
	 *            The application
	 * @param request
	 *            The current request object
	 */
	protected LibrarySession(final WebApplication application, Request request)
	{
		super(application, request);
	}

	/**
	 * Checks the given username and password, returning a User object if if the username and
	 * password identify a valid user.
	 * 
	 * @param username
	 *            The username
	 * @param password
	 *            The password
	 * @return The signed in user
	 */
	public final User authenticate(final String username, final String password)
	{
		if (user == null)
		{
			// Trivial password "db"
			if ("wicket".equalsIgnoreCase(username) && "wicket".equalsIgnoreCase(password))
			{
				// Create User object
				final User user = new User();

				user.setName(username);

				final List books = user.getBooks();

				books.add(new Book("Effective Java", "Joshua Bloch", Book.NON_FICTION));
				books.add(new Book("The Illiad", "Homer Simpson", Book.FICTION));
				books.add(new Book("Why Stock Markets Crash", "Didier Sornette", Book.NON_FICTION));
				books.add(new Book("The Netherlands", "Mike Jones", Book.NON_FICTION));
				books.add(new Book("Windows, Windows, Windows!", "Steve Ballmer", Book.FICTION));
				books.add(new Book("This is a test", "Vincent Rumsfield", Book.FICTION));
				books.add(new Book("Movies", "Mark Marksfield", Book.NON_FICTION));
				books.add(new Book("DOS Capitol", "Billy G", Book.FICTION));
				books.add(new Book("Whatever", "Jonny Zoom", Book.FICTION));
				books.add(new Book("Tooty Fruity", "Rudy O", Book.FICTION));
				setUser(user);
			}
		}

		return user;
	}

	/**
	 * @return True if user is signed in
	 */
	public boolean isSignedIn()
	{
		return user != null;
	}

	/**
	 * @return User
	 */
	public User getUser()
	{
		return user;
	}

	/**
	 * @param user
	 *            New user
	 */
	public void setUser(final User user)
	{
		this.user = user;
	}
}