jahiaconfigurationwizard.java

java 写的一个新闻发布系统

            } else if ( request.getParameter("go").equals("change") ){
                displayTemplates( request, response );
            }
        }

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




   /**
     * Get an enumeration containing all the templates archives files paths.
     * @author  Alexandre Kraft
     *
     * @return  Enumeration containing all scripts in File objects.
     */
    private Enumeration listTemplatesFiles()
    throws IOException
    {
        Vector vec  = new Vector();

        String path = ((String)values.get("server_jahiafiles_default")).substring(8, ((String)values.get("server_jahiafiles_default")).length()) + File.separator + "var" + File.separator + "shared_templates";
        File   file = new File( context.getRealPath(path) );
        File[] list = file.listFiles();

        for(int i=0; i<list.length; i++) {
            if(!list[i].isDirectory() && list[i].getName().endsWith(".jar")) {
                String name = list[i].getName().substring( 0, list[i].getName().lastIndexOf(".") );
                vec.add( name );
            }
        }

        return vec.elements();
    }
    // listTemplatesFiles()




    /**
     * 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 displayValues( HttpServletRequest   request,
                               HttpServletResponse  response )
    throws IOException, ServletException
    {
        // set configuration step title...
        request.setAttribute( "title", "Confirm your values" );

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




    /**
     * Save the values from the HashMap in the database and properties file,
     * since the user has confirmed the values displayed in the page. Launch
     * some methods to compose the final jahia properties file, insert
     * database tables, data and remove old templates xml files if necessary.
     * @author  Alexandre Kraft
     *
     * @param   request       Servlet request.
     * @param   response      Servlet response.
     */
    public void processValues( HttpServletRequest   request,
                               HttpServletResponse  response )
    throws IOException, ServletException
    {
        // by default, the user makes at least one error :o)
        boolean error   = true;
        String  msg     = null;

        // try to execute the last operations... any error will stop the process
        try
        {
            // overwrite the database if the user has not specified the opposite...
            if( !old_database.equals("true") )
            {
                createDBTables();
                insertDBCustomContent();
                insertDBDefaultContent();

                // it also include templates...
                copyDefaultTemplates( "myjahiasite" );
                //copySharedTemplates( "myjahiasite" );

                // and also the default site property...
                properties.setProperty( "defautSite", "myjahiasite" );

                // and also the xml templates files...
                folderXMLtemplates();
            }

            // copy the shared components
            copySharedComponents("myjahiasite");

            // move jahia files on their final directories...  if needed.
            moveJahiaFiles();

            // close the connection with the database connection admin manager...
            db.databaseClose();

            // set new properties...
            setPropertiesObject();

            // store jahia.properties file...
            properties.storeProperties( Jahia.getJahiaPropertiesFileName() );

            // okay, everthing is okay... set error to false
            error = false;

        } catch (Exception e) {
            JahiaConsole.printe("JahiaConfigurationWizard.processValues", e);
            msg   = e.getMessage();
        }

        // call the appropriate method...
        if( error ) {                                       // process generates errors...
            request.setAttribute( "errormsg", msg );
            displayError( request, response );
        } else {
            displayFinalStep( request, response );          // everything is okay, continue...
        }

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




    /**
     * This method display some errors during the save process.
     * @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 displayError( HttpServletRequest   request,
                              HttpServletResponse  response )
    throws IOException, ServletException
    {
        // set configuration step title...
        request.setAttribute( "title", "Error" );

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




    /**
     * This method display the final step (congratulations).
     * @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 displayFinalStep( HttpServletRequest   request,
                                  HttpServletResponse  response )
    throws IOException, ServletException
    {
        // set configuration step title...
        request.setAttribute( "title", "Congratulations!" );

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




    /**
     * This method redirect to jahia and bypass the login.
     * @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 redirectToJahia( HttpServletRequest   request,
                                 HttpServletResponse  response )
    throws IOException, ServletException
    {
        // add attributes to the request to *bypass* the login engine in the administration...
        request.setAttribute( CLASS_NAME + ".directAdministration",  "true" );
        request.setAttribute( CLASS_NAME + ".rootName",  (String)values.get("root_user") );
        request.setAttribute( CLASS_NAME + ".rootPass",  (String)values.get("root_pwd") );

        // forward to jahia !!
        doRedirect( request, response, contentServletPath );
    }
    // end redirectToJahia( HttpServletRequest, HttpServletResponse )




    /**
     * Check *slashs* validity of the inputs values from the server
     * settings page (servlet container home, host url, path jahia files).
     * @author  Alexandre Kraft
     */
    private void checkServerSlashs()
    {
        if( !((String)values.get("server_home")).endsWith(File.separator) ) {          // server home must ends with file separator
            values.put( "server_home",
                        ((String)values.get("server_home"))+File.separator );
        }
        if( ((String)values.get("server_url")).endsWith("/") ) {                       // host url must ends without "/"
            values.put( "server_url",
                        ((String)values.get("server_url")).substring(0,
                            ((String)values.get("server_url")).length()-1 ) );
        }
        if( ((String)values.get("server_jahiafiles")).endsWith(File.separator) ) {     // jahia files must ends without file separator
            values.put( "server_jahiafiles",
                        ((String)values.get("server_jahiafiles")).substring(0,
                            ((String)values.get("server_jahiafiles")).length()-1 ) );
        }
    }
    // end checkServerSlashs()




    /**
     * Check the Servlet Container home disk path indicates by the user on
     * the server settings page, throws custom exceptions.
     * @author  Alexandre Kraft
     *
     * @exception   Exception       an exception occured during the process.
     *
     * @todo FIXME (shuber) this is TERRIBLY container specific and only works on Tomcat.
     * We deactivate this call for the moment because in Tomcat's server.xml
     * we may put deployment directories elsewhere...
     */
    private void tryServerHome()
    throws Exception
    {

        /*
        // set catalina.jar path...
        StringBuffer catalina = new StringBuffer( ((String)values.get("server_home")) );
        catalina.append( File.separator );
        catalina.append( "server" );
        catalina.append( File.separator );
        catalina.append( "lib" );
        catalina.append( File.separator );
        catalina.append( "catalina.jar" );

        File lib = new File( catalina.toString() );

        if( !lib.exists() ) {
            throw new Exception( "Please verify your servlet container home disk path." );
        }
        */
    }
    // end tryServerHome()




    /**
     * Try to establish a connection with the host url indicates by the user
     * on the server settings page, and check some error(s) (like HTTP-403, etc).
     * @author  Alexandre Kraft
     *
     * @exception   Exception       an exception occured during the process.
     */
    private void tryHostURL()
    throws Exception
    {
        URL          url      = null;
        InputStream  istream  = null;

        try
        {
            url      = new URL( ((String)values.get("server_url")) );
            istream  = url.openStream();
            istream.close();

        } catch (Exception e) {
            JahiaConsole.printe( "Cannot connect to your server URL at " + url , e);
            throw new Exception( "Cannot connect to your server URL at " + url );
        }