jahiaconfigurationwizard.java

java 写的一个新闻发布系统

            values.put( "database_requested", Boolean.FALSE );
            displayAdvSettings( request, response );
        } else {
            if( request.getParameter("go").equals("next") ) {               // step next requested...
                displayMail( request, response );
            } else if( request.getParameter("go").equals("back") ) {        // step back requested...
                displayRoot( request, response );
            } else if( request.getParameter("go").equals("advanced") ) {    // step database requested...
                values.put( "database_requested", Boolean.TRUE );
                displayAdvSettings( request, response );
            }
        }

        // force objects to garbage collector...
        msg   = null;
        dbMsg = null;
    }
    // end processServer( HttpServletRequest, HttpServletResponse )




    /**
     * This method display the database (advanced) settings page.
     * @author  Alexandre Kraft
     *
     * @param       request             servlet request.
     * @param       response            servlet response.
     * @exception   IOException         an I/O exception occured during the process.
     * @exception   ServletException    a servlet exception occured during the process.
     */
    public void displayAdvSettings( HttpServletRequest   request,
                                    HttpServletResponse  response )
    throws IOException, ServletException
    {
        // get script lists...
        Vector scriptsInfos = scripts.getDatabaseScriptsInfos( scripts.getDatabaseScriptsFileObjects() );
        values.put( "database_test", scripts);

        // set java infos on request...
        request.setAttribute( "scripts",          scriptsInfos.elements() );
        request.setAttribute( "jsscripts",        scriptsInfos.elements() );

        // set focus it it's null...
        if( request.getAttribute("focus") == null ) {
            request.setAttribute( "focus", "driver" );
        }

        // set configuration step title...
        request.setAttribute( "title", "Advanced settings" );

        // forward to the jsp...
        doRedirect( request, response, JSP + "adv_settings" );
    }

    /**
     * Process and check the validity of the database driver, url, password and
     * username, from the database settings page. If they are valid, display the
     * mail page (if invoqued) or back to the server settings page. If the user
     * press *back* or *cancel*, don't process the verification of the data.
     * @author  Alexandre Kraft
     *
     * @param   request       Servlet request.
     * @param   response      Servlet response.
     */
    public void processAdvSettings( HttpServletRequest   request,
                                    HttpServletResponse  response )
    throws IOException, ServletException
    {
        // by default, the user makes at least one error :o)
        boolean error   = true;
        boolean dbError = false;
        String  msg     = null;
        String  dbMsg   = null;

        // save form values...
        values.put( "database_script",  (String) request.getParameter("script").trim() );
        values.put( "database_driver",  (String) request.getParameter("driver").trim() );
        values.put( "database_url",     (String) request.getParameter("dburl").trim() );
        values.put( "database_user",    (String) request.getParameter("user").trim() );
        values.put( "database_pwd",     (String) request.getParameter("pwd").trim() );
        String utf8Encoding = request.getParameter("utf8Encoding");
        if (utf8Encoding == null) utf8Encoding = "false";
        values.put( "utf8Encoding", utf8Encoding );

        // check database settings validity...if the user want to go next (or apply)
        if( request.getParameter("go").equals("next") ||
            request.getParameter("go").equals("apply") )
        {
            if( ((String)values.get("database_driver")).length() == 0 ) {           // check database driver
                request.setAttribute( "focus", "driver" );
                msg =  "Database driver must be set.";
            } else if( ((String)values.get("database_url")).length() == 0 ) {       // check database url
                request.setAttribute( "focus", "dburl" );
                msg =  "Database URL must be set.";
            } else {
                error = false;                                                      // everything is okay, continue...
            }

            // test the database connection...
            HashMap test = testDBConnection();
            dbError = ((Boolean)test.get("testDatabaseConnectionError")).booleanValue();
            dbMsg   = (String)test.get("testDatabaseConnectionMessage");

        } else {
            error = false;                                                          // default, the user don't want to go next.
        }

        // call the appropriate method...
        if( error ) {                                       // process generates errors...
            request.setAttribute( "msg", msg );
            displayAdvSettings( request, response );
        } else if( dbError ) {                              // database settings are not correct...
            request.setAttribute( "msg", dbMsg );
            displayAdvSettings( request, response );
        } else {
            if( request.getParameter("go").equals("apply") ) {              // step apply (return to server) requested...
                values.put( "database_custom", Boolean.TRUE );
                displayServer( request, response );
            } else if( request.getParameter("go").equals("next") ) {        // step next requested...
                values.put( "database_custom", Boolean.TRUE );
                displayMail( request, response );
            }
        }

        // force objects to garbage collector...
        msg   = null;
        dbMsg = null;
    }

    /**
     * This method display the mail settings page.
     * @author  Alexandre Kraft
     *
     * @param       request             servlet request.
     * @param       response            servlet response.
     * @exception   IOException         an I/O exception occured during the process.
     * @exception   ServletException    a servlet exception occured during the process.
     */
    public void displayMail( HttpServletRequest   request,
                             HttpServletResponse  response )
    throws IOException, ServletException
    {
        // set focus it it's null...
        if( request.getAttribute("focus") == null ) {
            request.setAttribute( "focus", "server" );
        }

        // set configuration step title...
        request.setAttribute( "title", "Mail settings" );

        // forward to the jsp...
        doRedirect( request, response, JSP + "mail" );
    }
    // end displayMail( HttpServletRequest, HttpServletResponse )




    /**
     * Process and check the validity of the database driver, url, password and
     * username, from the database settings page. If they are valid, display the
     * mail page (if invoqued) or back to the server settings page. If the user
     * press *back* or *cancel*, don't process the verification of the data.
     * @author  Alexandre Kraft
     *
     * @param   request       Servlet request.
     * @param   response      Servlet response.
     */
    public void processMail( HttpServletRequest   request,
                             HttpServletResponse  response )
    throws IOException, ServletException
    {
        // by default, the user makes at least one error :o)
        boolean error   = true;
        String  msg     = null;

        // save form values...
        values.put( "mail_server",     (String) request.getParameter("server").trim() );
        values.put( "mail_recipient",  (String) request.getParameter("rcpt").trim() );
        values.put( "mail_from",       (String) request.getParameter("from").trim() );
        values.put( "mail_parano",     (String) request.getParameter("parano").trim() );

        // check mail settings validity...if the user want to go next
        if( request.getParameter("go").equals("next") )
        {
            if( !((String)values.get("mail_parano")).equals("Disabled") )                 // check paranoia settings
            {
                if( ((String)values.get("mail_server")).length() == 0 ) {                 // check mail server
                    request.setAttribute( "focus", "server" );
                    msg =  "Mail server must be set if you choose an event notification level.";
                } else if( ((String)values.get("mail_recipient")).length() == 0 ) {       // check mail recipient
                    request.setAttribute( "focus", "rcpt" );
                    msg =  "Mail recipient must be set if you choose an event notification level.";
                } else if( ((String)values.get("mail_from")).length() == 0 ) {            // check mail from address
                    request.setAttribute( "focus", "from" );
                    msg =  "Mail from address must be set if you choose an event notification level.";
                } else {
                    error = false;                          // default, the user don't want to go next.
                }
            } else {
                error = false;                              // default, the user don't want to go next.
            }
        } else {
            error = false;                                  // default, the user don't want to go next.
        }

        // call the appropriate method...
        if( error ) {                                       // process generates errors...
            request.setAttribute( "msg", msg );
            displayMail( request, response );
        } else {
            if( request.getParameter("go").equals("back") ) {               // step back requested...
                if( ((Boolean)values.get("database_requested")).booleanValue() ) {
                    displayServer( request, response );                     // step back when database isn't forced...
                } else {
                    displayAdvSettings( request, response );                   // step back when database is forced...
                }
            } else if( request.getParameter("go").equals("next") ) {        // step next requested...
                displayTemplates( request, response );
            }
        }

        // force objects to garbage collector...
        msg   = null;
    }
    // end processMail( HttpServletRequest, HttpServletResponse )




    /**
     * This method display the values confirmation (before save options) page.
     * @author  Alexandre Kraft
     *
     * @param       request             servlet request.
     * @param       response            servlet response.
     * @exception   IOException         an I/O exception occured during the process.
     * @exception   ServletException    a servlet exception occured during the process.
     */
    public void displayTemplates( HttpServletRequest   request,
                                  HttpServletResponse  response )
    throws IOException, ServletException
    {
        // set java infos on request...
        request.setAttribute( "packages",  listTemplatesFiles() );

        // set configuration step title...
        request.setAttribute( "title", "Choose a base templates package" );

        // forward to the jsp...
        doRedirect( request, response, JSP + "templates" );
    }
    // end displayTemplates( HttpServletRequest, HttpServletResponse )




    /**
     * Process and check the validity of the database driver, url, password and
     * username, from the database settings page. If they are valid, display the
     * mail page (if invoqued) or back to the server settings page. If the user
     * press *back* or *cancel*, don't process the verification of the data.
     * @author  Alexandre Kraft
     *
     * @param   request       Servlet request.
     * @param   response      Servlet response.
     */
    public void processTemplates( HttpServletRequest   request,
                                  HttpServletResponse  response )
    throws IOException, ServletException
    {
        // by default, the user makes at least one error :o)
        boolean error   = true;
        String  msg     = null;

        // save form values...
        String choice = (String) request.getParameter("choice");
        if ( choice == null || choice.equals("0")){
            choice = properties.getProperty("default_templates_set").trim();
        }
        values.put( "templates", choice );

        // check mail settings validity...if the user want to go next
        if( request.getParameter("go").equals("next") )
        {
            if( values.get("templates") == null ) {         // check template selected
                msg =  "A package must be selected.";
            } else {
                error = false;
            }
        } else {
            error = false;                                  // default, the user don't want to go next.
        }

        // call the appropriate method...
        if( error ) {                                       // process generates errors...
            request.setAttribute( "msg", msg );
            values.put("templates", properties.getProperty("default_templates_set").trim());
            displayTemplates( request, response );
        } else {
            if( request.getParameter("go").equals("back") ) {               // step back requested...
                displayTemplates( request, response );
            } else if( request.getParameter("go").equals("next") ) {        // step next requested...
                displayValues( request, response );