testing

src/java/org/thdl/lex/LoginServlet.java

@@ -0,0 +1,228 @@
+package org.thdl.lex;
+import java.io.IOException;
+import javax.servlet.RequestDispatcher;
+
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import org.thdl.lex.component.*;
+import org.thdl.users.*;
+
+
+/**
+ *  Description of the Class
+ *
+ * @author     travis
+ * @created    October 2, 2003
+ */
+public class LoginServlet extends HttpServlet
+{
+//attributes
+
+	private String welcomePage;
+	private String loginPage;
+	private UserSessionManager sessionManager;
+
+
+//accessors
+	/**
+	 *  Sets the welcomePage attribute of the LoginServlet object
+	 *
+	 * @param  welcomePage  The new welcomePage value
+	 * @since
+	 */
+	public void setWelcomePage( String welcomePage )
+	{
+		this.welcomePage = welcomePage;
+	}
+
+
+	/**
+	 *  Sets the loginPage attribute of the LoginServlet object
+	 *
+	 * @param  loginPage  The new loginPage value
+	 * @since
+	 */
+	public void setLoginPage( String loginPage )
+	{
+		this.loginPage = loginPage;
+	}
+
+
+	/**
+	 *  Gets the welcomePage attribute of the LoginServlet object
+	 *
+	 * @return    The welcomePage value
+	 * @since
+	 */
+	public String getWelcomePage()
+	{
+		return welcomePage;
+	}
+
+
+	/**
+	 *  Gets the loginPage attribute of the LoginServlet object
+	 *
+	 * @return    The loginPage value
+	 * @since
+	 */
+	public String getLoginPage()
+	{
+		return loginPage;
+	}
+
+
+	/**
+	 *  Gets the sessionManager attribute of the LoginServlet object
+	 *
+	 * @return    The sessionManager value
+	 * @since
+	 */
+	public UserSessionManager getSessionManager()
+	{
+		if ( null == sessionManager )
+		{
+			return UserSessionManager.getInstance();
+		}
+		else
+		{
+			return sessionManager;
+		}
+	}
+
+
+//helper methods
+	/**
+	 *  Description of the Method
+	 *
+	 * @param  config                Description of Parameter
+	 * @exception  ServletException  Description of Exception
+	 * @since
+	 */
+	public void init( ServletConfig config ) throws ServletException
+	{
+		setWelcomePage( "/action?cmd=menu" );
+
+		if ( getWelcomePage() == null )
+		{
+			throw new ServletException( "The welcomePage init parameter must be specified." );
+		}
+
+		setLoginPage( config.getInitParameter( "loginPage" ) );
+
+		if ( getLoginPage() == null )
+		{
+			throw new ServletException( "The loginPage init parameter must be specified." );
+		}
+
+	}
+
+
+	/**
+	 *  Description of the Method
+	 *
+	 * @param  request               Description of Parameter
+	 * @param  response              Description of Parameter
+	 * @exception  ServletException  Description of Exception
+	 * @since
+	 */
+	public void doPost( HttpServletRequest request, HttpServletResponse response ) throws ServletException
+	{
+		String username = request.getParameter( LexConstants.USERNAME_REQ_PARAM );
+
+		if ( username == null )
+		{
+			throw new ServletException( "No Username Specified" );
+		}
+
+		String password = request.getParameter( LexConstants.PASSWORD_REQ_PARAM );
+
+		if ( password == null )
+		{
+			throw new ServletException( "No Password Specified" );
+		}
+
+		ThdlUser thdlUser = null;
+		try
+		{
+			ThdlUser lexUser = new LexUser();
+			lexUser.setUsername( username );
+			lexUser.setPassword( password );
+			lexUser = ThdlUserRepository.getInstance().validate( lexUser, "dictionary" );
+			doLoginSuccess( request, response, lexUser );
+		}
+		catch ( ThdlUserRepositoryException ture )
+		{
+//doLoginFailure( request, response, username );
+			throw new ServletException( ture );
+		}
+		catch ( Exception e )
+		{
+			throw new ServletException( e );
+		}
+	}
+
+
+	/**
+	 *  Description of the Method
+	 *
+	 * @param  request                     Description of Parameter
+	 * @param  response                    Description of Parameter
+	 * @param  user                        Description of Parameter
+	 * @exception  IOException             Description of Exception
+	 * @exception  LexRepositoryException  Description of Exception
+	 * @exception  LexComponentException   Description of Exception
+	 * @since
+	 */
+	private void doLoginSuccess( HttpServletRequest request, HttpServletResponse response, ThdlUser user ) throws IOException, LexRepositoryException, LexComponentException
+	{
+		HttpSession session = request.getSession( true );
+		getSessionManager().setSessionUser( session, user );
+
+		Preferences preferences = new Preferences( user );
+		getSessionManager().setPreferences( session, preferences );
+
+		getSessionManager().setDisplayMode( session, "brief" );
+		String targetPage = getSessionManager().getSessionLoginTarget( session, true );
+
+		if ( targetPage == null )
+		{
+			UserSessionManager.doRedirect( request, response, getWelcomePage() );
+		}
+		else
+		{
+			targetPage = response.encodeRedirectURL( targetPage );
+			response.sendRedirect( targetPage );
+		}
+	}
+
+
+	/**
+	 *  Description of the Method
+	 *
+	 * @param  request               Description of Parameter
+	 * @param  response              Description of Parameter
+	 * @param  username              Description of Parameter
+	 * @exception  ServletException  Description of Exception
+	 * @since
+	 */
+	private void doLoginFailure( HttpServletRequest request, HttpServletResponse response, String username ) throws ServletException
+	{
+
+		String loginURL = getLoginPage() + "?retry=true&username=" + username;
+		try
+		{
+			UserSessionManager.doRedirect( request, response, loginURL );
+		}
+		catch ( IOException ioe )
+		{
+			throw new ServletException( ioe );
+		}
+	}
+}
+