managetemplates.java

java 写的一个新闻发布系统

                        templ.commitChanges();

                        sitesServ.updateSite(site);

                        templ = pageTempServ.lookupPageTemplate (id);
                        session.setAttribute(CLASS_NAME +
                        "jahiaDisplayMessage",  "template updated successfully");
                    }

                } else {
                    request.setAttribute("errMsg", "Cannot find the template definition");
                }

                int pageid = site.getHomePageID();
                JahiaPage page = pageServ.lookupPage(pageid);

                if ( page != null && (page.getPageTemplateID() == templ.getID()) ){
                    request.setAttribute("canDelete",  Boolean.FALSE );
                }

                request.setAttribute("templ",  templ);

            }

            request.setAttribute("templatesContext",getTemplatesContext(session));

            JahiaAdministration.doRedirect( request,
                                            response,
                                            session,
                                            JSP_PATH + "template_edit.jsp" );

        } catch ( JahiaException je ){
            request.setAttribute("jahiaDisplayMessage",
                                    "An error occured while processing your request");
            JahiaAdministration.doRedirect( request,
                                            response,
                                            session,
                                            JSP_PATH + "menu.jsp" );
        }

    }

    //-------------------------------------------------------------------------
    /**
     * Handle Edit Templates options
     *
     * @author  NK
     * @param   request         Servlet request.
     * @param   response        Servlet response.
     * @param   session         HttpSession object.
     */
    private void editTemplateOption( 	HttpServletRequest   request,
                                        HttpServletResponse  response,
                                        HttpSession          session )
    throws IOException, ServletException
    {

        try {

            JahiaSitesService sitesServ =
            sReg.getJahiaSitesService();


            if ( sitesServ == null ){
                throw new JahiaException(	"Unavailable Services",
                                            "Unavailable Services",
                                            JahiaException.SERVICE_ERROR,
                                            JahiaException.ERROR );
            }

            int autoDeploy = 0;

            if ( site.getTemplatesAutoDeployMode() ){
                autoDeploy = 1;
            }

            request.setAttribute("autoDeploy",  new Integer(autoDeploy));

            // get paramater
            String subAction =(String)request.getParameter("subaction");
            if ( subAction != null && subAction.equals("save") ) {

                String strVal = (String)request.getParameter("autoDeploy");
                int intVal = 0;

                if ( strVal != null ){
                    intVal = 1;
                }

                if ( intVal != autoDeploy ){
                    try {
                        site.setTemplatesAutoDeployMode(intVal==1);
                        sitesServ.updateSite(site);

                        session.setAttribute( ParamBean.SESSION_SITE , site );

                        session.setAttribute(CLASS_NAME + "jahiaDisplayMessage",
                        "Changes have been successfully updated");

                    } catch ( JahiaException je ) {
                        session.setAttribute(CLASS_NAME + "jahiaDisplayMessage",
                        "An error occurred while updating changes");
                    }

                    request.setAttribute("autoDeploy",  new Integer(intVal));
                }
            }

            JahiaAdministration.doRedirect( request,
                                            response,
                                            session,
                                            JSP_PATH + "template_option.jsp" );
        } catch ( JahiaException je ){
            request.setAttribute("jahiaDisplayMessage",
                                    "An error occured while processing your request");
            JahiaAdministration.doRedirect( request,
                                            response,
                                            session,
                                            JSP_PATH + "menu.jsp" );
        }


    } // end editTemplateOption


    //-------------------------------------------------------------------------
    /**
     * Display the list of new templates.
     *
     * @author  NK
     * @param   request         Servlet request.
     * @param   response        Servlet response.
     * @param   session         HttpSession object.
     */
    private void displayNewTemplateList( HttpServletRequest   request,
                                       HttpServletResponse  response,
                                       HttpSession          session )
    throws IOException, ServletException
    {

        try {

            JahiaTemplatesDeployerService tempDepServ =
            sReg.getJahiaTemplatesDeployerService();


            if ( tempDepServ == null ){
                throw new JahiaException(	"Unavailable Services",
                                            "Unavailable Services",
                                            JahiaException.SERVICE_ERROR,
                                            JahiaException.ERROR );
            }

            // get the list of new web apps
            Enumeration newTemplatesKeys = tempDepServ.getTemplatesPackageKeys(site.getSiteKey());
            Enumeration enum = tempDepServ.getTemplatesPackages(site.getSiteKey());
            Vector vec = new Vector();

            JahiaTemplatesPackage aPackage = null;

            while (enum.hasMoreElements()){

                aPackage = (JahiaTemplatesPackage)enum.nextElement();

                if ( aPackage != null ){
                    vec.add(aPackage);
                } else {
                    //System.out.println("displayNewTemplateList packages is null");
                }
            }

            request.setAttribute("packagesList", vec.elements());
            JahiaAdministration.doRedirect( request,
                                            response,
                                            session,
                                            JSP_PATH + "new_templates.jsp" );
        } catch ( JahiaException je ){
            request.setAttribute("jahiaDisplayMessage",
                                    "An error occured while processing your request");
            JahiaAdministration.doRedirect( request,
                                            response,
                                            session,
                                            JSP_PATH + "menu.jsp" );
        }

    }



    //-------------------------------------------------------------------------
    /**
     * Display informations about a new template
     *
     * @author  NK
     * @param   request         Servlet request.
     * @param   response        Servlet response.
     * @param   session         HttpSession object.
     */
    private void displayNewTemplateDetail( HttpServletRequest   request,
                                            HttpServletResponse  response,
                                            HttpSession          session )
    throws IOException, ServletException
    {

        try {

            JahiaTemplatesDeployerService tempDepServ =
            sReg.getJahiaTemplatesDeployerService();

            JahiaPageTemplateService pageTempServ =
            sReg.getJahiaPageTemplateService();


            if ( tempDepServ == null || pageTempServ == null ){
                throw new JahiaException(	"Unavailable Services",
                                            "Unavailable Services",
                                            JahiaException.SERVICE_ERROR,
                                            JahiaException.ERROR );
            }

            // get the new template package
            String packageName = (String)request.getParameter("package_name");
            JahiaTemplatesPackage aPackage =
            (JahiaTemplatesPackage)tempDepServ.getTemplatesPackage(site.getSiteKey()
                                                                    + "_"
                                                                    + packageName);

            // check for license limitation
            int nbTemplates = pageTempServ.getNbPageTemplates(site.getID());

            boolean canDeploy = ( ( mLicenseKey.getPageTemplateLimit() == -1 )
                                    || !(nbTemplates + aPackage.getTemplates().size() > mLicenseKey.getPageTemplateLimit()) );

            request.setAttribute("templateLimit", new Integer(mLicenseKey.getPageTemplateLimit()) );
            request.setAttribute("canDeploy", new Boolean(canDeploy) );


            String subAction =(String)request.getParameter("subaction");
            if ( subAction == null ){
                request.setAttribute("aPackage", aPackage);
            } else if ( subAction.equals("deploy") && canDeploy){
                try {
                    if (tempDepServ.deploy( site,
                                            aPackage.getRootFolder(),
                                            aPackage.getFilePath(),true)){

                        // Register package in Jahia
                        tempDepServ.registerTemplates(site, aPackage);

                        // delete the package
                        tempDepServ.deletePackage(site,aPackage.getFilePath());

                        displayNewTemplateList(request,response,session);
                        return;
                    } else {
                        session.setAttribute(CLASS_NAME + "jahiaDisplayMessage",
                        "An error occurred while deploying the package");
                        request.setAttribute("aPackage", aPackage);
                    }
                } catch ( JahiaException je ){
                    request.setAttribute("aPackage", aPackage);
                    session.setAttribute(CLASS_NAME + "jahiaDisplayMessage",
                    "An error occurred while deploying the package");
                }
            } else if ( subAction.equals("delete") ){

                try {
                    if (tempDepServ.deletePackage(site,aPackage.getFilePath())){
                        displayNewTemplateList(request,response,session);
                        return;
                    } else {
                        request.setAttribute("aPackage", aPackage);
                        session.setAttribute( CLASS_NAME + "jahiaDisplayMessage",
                        "An error occurred while deleting the package");
                    }
                } catch ( IOException ioe ){
                    session.setAttribute(CLASS_NAME + "jahiaDisplayMessage",
                    "An error occurred while deleting the package");
                }
            }

             JahiaAdministration.doRedirect( request,
                                             response,
                                             session,
                                             JSP_PATH + "new_template_detail.jsp" );
        } catch ( JahiaException je ){
            request.setAttribute("jahiaDisplayMessage",
                                    "An error occured while processing your request");
            JahiaAdministration.doRedirect( request,
                                            response,
                                            session,
                                            JSP_PATH + "menu.jsp" );
        }

    }


    //-------------------------------------------------------------------------
    /**
     * Handle all the process of manually adding a new template
     *
     * @author  NK
     * @param   request         Servlet request.
     * @param   response        Servlet response.
     * @param   session         HttpSession object.
     */
    private void addTemplate( 	HttpServletRequest   request,
                                HttpServletResponse  response,
                                HttpSession          session )

    throws IOException, ServletException
    {


        try {

            JahiaTemplatesDeployerService tempDepServ =
            sReg.getJahiaTemplatesDeployerService();

            JahiaPageTemplateService pageTempServ =
            sReg.getJahiaPageTemplateService();

            if ( tempDepServ == null || pageTempServ == null ){
                throw new JahiaException(	"Unavailable Services",
                                            "Unavailable Services",
                                            JahiaException.SERVICE_ERROR,
                                            JahiaException.ERROR );
            }

            // check for license limitation
            int nbTemplates = pageTempServ.getNbPageTemplates(site.getID());

            boolean canAddNew = ( (mLicenseKey.getPageTemplateLimit() == -1)
                                    || (nbTemplates < mLicenseKey.getPageTemplateLimit()) );

            request.setAttribute("templateLimit", new Integer(mLicenseKey.getPageTemplateLimit()) );
            request.setAttribute("canAddNew", new Boolean(canAddNew) );