jahiaadministration.java

java 写的一个新闻发布系统

                {
                    // check if the user is a super admin or not...
                    JahiaGroup superAdminGroup = gMgr.getAdministratorGroup( SUPERADMIN_SITE_ID );
                    if(superAdminGroup.isMember( theUser )) {
                        isSuperAdmin = true;
                    }

                    session.setAttribute( CLASS_NAME + "isSuperAdmin",         new Boolean(isSuperAdmin) );
                    session.setAttribute( CLASS_NAME + "manageSiteID",         new Integer(theSite.getID()) );
                    session.setAttribute( CLASS_NAME + "accessGranted",        Boolean.TRUE);
                    session.setAttribute( CLASS_NAME + "adminUsername",        theUser.getUsername() );
                    session.setAttribute( CLASS_NAME + "jahiaLoginUsername",   theUser.getUsername() );

                    JahiaConsole.println("JahiaAdministration",  "Silent login granted: user " +  theUser.getUsername() + " has valid login session.");
                    isValid = true;
                } else {
                    JahiaConsole.println("JahiaAdministration", "Couldn't validate login session for: " +  theUser.getUsername());
                }
            } else if ( theUser.hashCode()==0 ){

                session.setAttribute( CLASS_NAME + "isSuperAdmin",         new Boolean(true) );
                session.setAttribute( CLASS_NAME + "manageSiteID",         new Integer(0) );
                session.setAttribute( CLASS_NAME + "accessGranted",        Boolean.TRUE);
                session.setAttribute( CLASS_NAME + "adminUsername",        theUser.getUsername() );
                session.setAttribute( CLASS_NAME + "jahiaLoginUsername",   theUser.getUsername() );
            }

        } catch(Exception e) {
        }
        return isValid;
    } // end isValidLoginSession


    //-------------------------------------------------------------------------
    /**
     * Handles engine calls within JahiaAdministration Servlet
     *
     * @param HttpServletRequest request
     * @param HttpServletResponse response
     * @return boolean true if the request is effectively a engine call.
     * @author Khue NGuyen
     */
    protected boolean handleEngines(HttpServletRequest request, HttpServletResponse response)
    throws JahiaException {

        String pathInfo = request.getPathInfo();
        if ( pathInfo == null )
            return false;
        if ( pathInfo.indexOf("engineName") == -1 )
            return false;

        // start the chrono...
        long startTime = JahiaChrono.getInstance().start();

        // get the main http method...
        String  requestMethod     = request.getMethod();
        int     intRequestMethod  = 0;

        if (requestMethod.equals(GET_REQUEST)) {
            intRequestMethod = ParamBean.GET_METHOD;
        } else if(requestMethod.equals (POST_REQUEST)) {
            intRequestMethod = ParamBean.POST_METHOD;
        }

        JahiaConsole.println(CLASS_NAME+"handleEngines()","------------------------------------------------------- NEW "+requestMethod+" REQUEST ---");

        // create the parambean (jParams)...
        ParamBean jParams = null;

        try {

            jParams = new ParamBean( request, response, context, jSettings, startTime, intRequestMethod);

            if (jParams == null) {
                throw new JahiaException(CLASS_NAME+".handleEngine",
                                          "ParamBean is null",
                                          JahiaException.ERROR,
                                          JahiaException.CRITICAL );
            }

            OperationManager operations = new OperationManager();

            operations.handleOperations (jParams, jSettings);

            // display time
            if (jParams.getUser()!=null)
            {
                JahiaConsole.finalPrintln(CLASS_NAME,
                         "Served " + jParams.getEngine() + " engine for user " +jParams.getUser().getUsername()+ " from ["+
                         jParams.getRequest().getRemoteAddr() + "] in ["+JahiaChrono.getInstance().read( jParams.getStartTime() )+"ms]");
            }
            jParams = null;

        // PAGE NOT FOUND EXCEPTION
        } catch (JahiaPageNotFoundException ex) {
            JahiaConsole.finalPrintln (CLASS_NAME, ex.getJahiaErrorMsg());
            JahiaErrorDisplay.DisplayException (request, response, getServletContext(), jSettings, ex);
        }
        // SECURITY EXCEPTION
        catch (JahiaSecurityException ex) {
            JahiaConsole.finalPrintln (CLASS_NAME, "A Security error occured -> request ignored.");
            JahiaErrorDisplay.DisplayException (request, response, getServletContext(), jSettings, ex);
        }
        // SESSION EXPIRATION
        catch (JahiaSessionExpirationException ex) {
            JahiaConsole.finalPrintln (CLASS_NAME, "Null session -> session expiration -> request ignored.");
            JahiaErrorDisplay.DisplayException (request, response, getServletContext(), jSettings, ex);
        }

        // OPERATION NOT ALLOWED
        catch (JahiaOperationNotAllowedException ex) {
            JahiaConsole.finalPrintln (CLASS_NAME, ex.getJahiaErrorMsg());
            JahiaErrorDisplay.DisplayException (request, response, getServletContext(), jSettings, ex);
        }

        // SERVICE EXCEPTIONS
        catch (ServiceNotFoundException ex) {
            JahiaConsole.finalPrintln (CLASS_NAME, ex.getJahiaErrorMsg());
            JahiaErrorDisplay.DisplayException (request, response, getServletContext(), jSettings, ex);
        }

        // ALL OTHER JAHIA EXCEPTIONS
        catch (JahiaException je) {
            JahiaConsole.println(CLASS_NAME, "Error in " + requestMethod + " method -> BAILING OUT" );
            // should redirect to an error page here
            JahiaErrorDisplay.DisplayException(request, response, getServletContext(), jSettings, je);
        }

        return true;
    }

    //-------------------------------------------------------------------------
    /**
     * Returns a relative qualified request URL , i.e /JahiaAdministration.
     *
     * @param HttpServletRequest request
     * @author Khue NGuyen
     */
    private String getServletURI(HttpServletRequest request,
                                 HttpServletResponse response){

        if ( request == null )
            return "";

        String pathInfo 			= request.getPathInfo();

        String tempServletURI = "";
        if ( pathInfo == null ){
            tempServletURI =  response.encodeURL ( request.getRequestURI() );
        } else {
            tempServletURI =  response.encodeURL( request.getRequestURI().substring(0,request.getRequestURI().indexOf(pathInfo)) );
        }
        return tempServletURI;
    }

    //-------------------------------------------------------------------------
    /**
     * Init a milimalistic JahiaData that is necessary to work with taglibs and
     * engines within JahiaAdministration servlet.
     * The JahiaData only contains the current site and the user,
     * that is the current identified admin. The page is null and
     * fields set and containers set are not build.
     * The JahiaData is then stored in the request as the attribute :
	 *                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     			"org.jahia.data.JahiaData"
     *				"org.jahia.data.JahiaData"
     *
     * @param HttpServletRequest request
     * @param HttpServletResponse response
     * @param HttpSession session
     *
     * @author Khue NGuyen
     */
    static private void initAdminJahiaData(	HttpServletRequest  	request,
                                            HttpServletResponse     response,
                                            HttpSession				session)
    throws JahiaException, IOException, ServletException {

        JahiaConsole.println( CLASS_NAME+".initAdminJahiaData", "started");

        JahiaUser user =  (JahiaUser) session.getAttribute( ParamBean.SESSION_USER );
        JahiaSite site =  (JahiaSite) session.getAttribute( ParamBean.SESSION_SITE );

        if ( site == null ){
            // This can occurs when all sites has been deleted ...
            // create a fake site for JSP using taglibs
            JahiaSite fakeSite = new JahiaSite( -1,
                                                "",
                                                "",
                                                "",
                                                false,
                                                -1,
                                                "",
                                                null,
                                                new Properties() );
            site = fakeSite;
        }
        JahiaPage page = null;

        Integer I = (Integer) session.getAttribute( ParamBean.SESSION_LAST_REQUESTED_PAGE_ID );
        if ( I != null ){
            try {
                page = ServicesRegistry.getInstance().getJahiaPageService().lookupPage(I.intValue(),null);
                if ( page.getJahiaID() != site.getID() )
                    page = site.getHomePage(); // site has changed , we cannot use the old page
            } catch ( Throwable t) {
                //t.printStackTrace();
            }
        } else {
            page = site.getHomePage();
        }

        // start the chrono...
        long startTime = JahiaChrono.getInstance().start();

        // get the main http method...
        String  requestMethod     = request.getMethod();
        int     intRequestMethod  = 0;

        if (requestMethod.equals(GET_REQUEST)) {
            intRequestMethod = ParamBean.GET_METHOD;
        } else if(requestMethod.equals (POST_REQUEST)) {
            intRequestMethod = ParamBean.POST_METHOD;
        }

        AdminParamBean jParams = new AdminParamBean (	request,
                                                        response,
                                                        context,
                                                        jSettings,
                                                        startTime,
                                                        intRequestMethod,
                                                        site,
                                                        user,
                                                        null );

        if ( page != null ){
            try {
                page = ServicesRegistry.getInstance().getJahiaPageService().lookupPage(page.getID(),jParams);
            } catch ( Throwable t) {
                t.printStackTrace();
            }
        }
        JahiaData jData = new JahiaData((ParamBean)jParams,false);
        jData.params().changePage(page);

        if ( jData == null )
            JahiaConsole.println( CLASS_NAME+".initAdminJahiaData", "jahiaData is null !!");

        request.setAttribute("org.jahia.data.JahiaData",jData);

    }


} // end JahiaAdministration