parambean.java

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                if (pageIDStr != null) {
                    // try to get the page reference.
                    try {
                        int pid = Integer.parseInt (pageIDStr);

                        thePage = ServicesRegistry.getInstance ()
                                .getJahiaPageService ().lookupPage (pid, this);

                        // if the page is not found, throw the associated exception
                        if (thePage != null) {
                            this.siteID = thePage.getJahiaID ();
                            // Try to get the site by its sitekey
                            this.site = ServicesRegistry.getInstance ()
                                    .getJahiaSitesService ()
                                    .getSite (this.siteID);
                            if (this.site != null)
                                this.siteKey = site.getSiteKey ();
                        }

                    } catch (NumberFormatException nfe) {
                        JahiaConsole.println ("ParamBean.getSiteInfos", "Number format exception");
                        throw new JahiaPageNotFoundException (pageIDStr);
                    }

                    // Ensure if the requested page is a page of the current site
                    if (thePage.getJahiaID () != this.getSiteID ()) {
                        thePage = this.site.getHomePage ();
                    }
                }

            } else {
                JahiaConsole.println ("ParamBean.getSiteInfos",
                        "Site found with serverName");

                if (!(theSettings.isSiteIDInURL ())) {
                    JahiaConsole.println ("ParamBean.getSiteInfos",
                            "Adding default parameter values to site found in serverName");
                    // we have found the site in the server name, let's set it in
                    // the default parameter values.
                    this.defaultParameterValues.setProperty (this.SITE_KEY_PARAMETER, site.getSiteKey ());
                }
            }

            if (this.site == null) {

                JahiaConsole.println ("ParamBean.getSiteInfos()",
                        "No site found in URL, serverName or via page ID, going to default site...");

                // finally try to get the default site
                this.site = getDefaultSite ();
                if ((this.site != null) && !(theSettings.isSiteIDInURL ())) {
                    // since we loaded the default site let's remove it from the URL
                    this.defaultParameterValues.setProperty (this.SITE_KEY_PARAMETER, site.getSiteKey ());
                }
            }

        }

        if (site == null) {
            throw new JahiaSiteNotFoundException ("400 Bad Request : No site specified or site not found",
                    JahiaException.CRITICAL);
        }

        this.siteID = this.site.getID ();
        this.siteKey = this.site.getSiteKey ();

        JahiaSite oldSite = (JahiaSite)session.getAttribute (SESSION_SITE);
        if (oldSite == null) {
            this.siteHasChanged = true;
        } else if (oldSite.getID () != site.getID ()) {
            this.siteHasChanged = true;
            // setUserGuest(this.getSiteID());
        }

        if (!(theSettings.isSiteIDInURL ())) {
            JahiaSite defaultSite = getDefaultSite ();
            if ((defaultSite != null) && (defaultSite.getID () == site.getID ())) {
                // site in URL is the default site, let's remove it from the
                // URL
                this.defaultParameterValues.setProperty (this.SITE_KEY_PARAMETER, site.getSiteKey ());
            }
        }

        session.setAttribute (SESSION_SITE, site);
    }


    /**
     * Return the default site or null if not found or undefined
     *
     * @return JahiaSite the default site
     */
    private JahiaSite getDefaultSite () {

        // JahiaConsole.println("ParamBean","getDefaultSite started");

        JahiaSite site = null;
        String siteKey = null;

        // try to load from storage
        PropertiesManager pm = new PropertiesManager (Jahia.getJahiaPropertiesFileName ());
        if (pm != null) {
            siteKey = pm.getProperty ("defautSite");
            if (siteKey == null || siteKey.trim ().equals ("")) {
                return null;
            }
        }

        if (siteKey != null) {
            try {
                site = ServicesRegistry.getInstance ()
                        .getJahiaSitesService ()
                        .getSiteByKey (siteKey);
            } catch (JahiaException je) {
                return null;
            }
        }


        return site;
    }

    /**
     * Returns an URL only if the parameterValue for the parameterName is
     * different from its defined default value, or if it has no default
     * value.
     * @param parameterName name of the parameter to add in the URL
     * @param parameterValue value of the parameter to add in the URL
     * @return an empty string if the value is equal to the default value,
     * otherwise it returns a composition as follow : "/" + parameterName +
     * "/" + parameterValue
     */
    private String condAppendURL (String parameterName, String parameterValue) {
        String defaultValue = defaultParameterValues.getProperty (parameterName);
        StringBuffer result = new StringBuffer ("/");
        result.append (parameterName);
        result.append ("/");
        result.append (parameterValue);

        if (defaultValue == null) {
            return result.toString ();
        } else {
            if (defaultValue.equals (parameterValue)) {
                return "";
            } else {
                return result.toString ();
            }
        }
    }

    //-------------------------------------------------------------------------
    // EV   20 Nov. 2000 : Original implementation
    // FH   22 Jan. 2001 : - Changed += operation on a String to a StringBuffer.
    //                     - added error check.
    // MJ   29 May. 2001 : get http path from request instead of settings,

    /**
     * Compose an URL by adding default parameters (like the page id, the session id, ...)
     * to the passed in parameter string.
     *
     * @param   params  String of parameters.
     *
     * @return  Return a valid URL by adding default parameters. Return an non-null
     *          empty string on any error.
     */
    public String composeUrl (String params)
            throws JahiaException {
        StringBuffer theUrl = new StringBuffer (this.getJahiaCoreHttpPath ());

        theUrl.append (getEngineURLPart (CORE_ENGINE_NAME));
        theUrl.append (getSiteURLPart (site.getSiteKey ()));
        theUrl.append (getOpModeURLPart (opMode));
        theUrl.append (getCacheModeURLPart (cacheStatus));
        //theUrl.append (getLastRequestedPageURLPart (thePage.getID()));
        if (thePage != null)
            theUrl.append (getPageURLPart (thePage.getID ()));

        appendParams (theUrl, params);

        appendAnchor (theUrl);

        return encodeURL (theUrl.toString ());
    } // end composeUrl


    //-------------------------------------------------------------------------
    // EV   20 Nov. 2000 : Original implementation
    // FH   22 Jan. 2001 : Changed += operation on a String to a StringBuffer.
    // MJ   29 May. 2001 : get http path from request instead of settings,
    // MJ   24 Jul. 2001 : dirty hack to hide catalina bug in HttpServletResponse
    //                     .encodeURL(String URL)
    //                     (bug description : reference to response object is
    //                     sometimes lost after intensive calls to this method)
    //                     Affected version : Tomcat 4.0 beta 1
    /**
     *
     */
    public String composePageUrl (int pageID)
            throws JahiaException {


        StringBuffer theUrl = new StringBuffer (this.getJahiaCoreHttpPath ());
        theUrl.append (getEngineURLPart (CORE_ENGINE_NAME));
        theUrl.append (getSiteURLPart (site.getSiteKey ()));
        theUrl.append (getOpModeURLPart (opMode));
        theUrl.append (getCacheModeURLPart (cacheStatus));
        theUrl.append (getPageURLPart (pageID));

        try {
            return encodeURL (theUrl.toString ());
        } catch (NullPointerException npe) {
            return theUrl.toString ();
        }
    } // end composePageUrl


    //-------------------------------------------------------------------------
    // MJ   27 Feb. 2001 : Overloaded method without params besides engineName
    // MJ   29 May. 2001 : get http path from request instead of settings,

    /**
     * composeEngineUrl
     * MJ    27.02.2001
     *
     */
    public String composeEngineUrl (String engineName)
            throws JahiaException {

        StringBuffer theUrl = new StringBuffer (this.getJahiaCoreHttpPath ());

        if (engineName != null) {
            theUrl.append (getEngineURLPart (engineName));
        }

        if (thePage != null)
            theUrl.append (getPageURLPart (thePage.getID ()));

        appendAnchor (theUrl);

        return encodeURL (theUrl.toString ());
    } // end composeEngineUrl


    //-------------------------------------------------------------------------
    // EV   20 Nov. 2000 : Original implementation
    // FH   22 Jan. 2001 : Changed += operation on a String to a StringBuffer.
    // MJ   29 May. 2001 : get http path from request instead of settings,

    /**
     * composeEngineUrl
     * EV    20.11.2000
     *
     */
    public String composeEngineUrl (String engineName, String params)
            throws JahiaException {
        //JahiaConsole.println("ParamBean.composeEngineUrl(engineName,params)","started");
        StringBuffer theUrl = new StringBuffer (this.getJahiaCoreHttpPath ());
        //JahiaConsole.println("ParamBean.composeEngineUrl(engineName,params) jahiaCoreHttpPath=",theUrl.toString());
        if (engineName != null) {
            theUrl.append (getEngineURLPart (engineName));
        }
        //JahiaConsole.println("ParamBean.composeEngineUrl(engineName,params) jahiaCoreHttpPath=",theUrl.toString());

        theUrl.append (getSiteURLPart ());
        theUrl.append (getOpModeURLPart (opMode));
        if (thePage != null)
            theUrl.append (getPageURLPart (thePage.getID ()));

        appendParams (theUrl, params);

        appendAnchor (theUrl);

        return encodeURL (theUrl.toString ());
    } // end composeEngineUrl


    /**
     * Supplementary version that allows us to add parameters in standard Jahia
     * parameter form.
     * @param engineName the name of the engine for which to generate the URL
     * @param extraJahiaParams additional /name/value parameter to insert in
     * the url
     * @param params standard URL parameters in the form of a string that starts
     * with ?
     * @return String containing the generated URL.
     * @throws JahiaException
     */
    public String composeEngineUrl (String engineName,
                                    Properties extraJahiaParams,
                                    String params)
            throws JahiaException {
        //JahiaConsole.println("ParamBean.composeEngineUrl(engineName,params)","started");
        StringBuffer theUrl = new StringBuffer (this.getJahiaCoreHttpPath ());
        //JahiaConsole.println("ParamBean.composeEngineUrl(engineName,params) jahiaCoreHttpPath=",theUrl.toString());
        if (engineName != null) {
            theUrl.append (getEngineURLPart (engineName));
        }
        //JahiaConsole.println("ParamBean.composeEngineUrl(engineName,params) jahiaCoreHttpPath=",theUrl.toString());

        theUrl.append (getSiteURLPart ());
        theUrl.append (getOpModeURLPart (opMode));
        if (thePage != null)
            theUrl.append (getPageURLPart (thePage.getID ()));

        Enumeration propertyNames = extraJahiaParams.propertyNames ();
        while (propertyNames.hasMoreElements ()) {
            String propertyName = (String)propertyNames.nextElement ();
            String propertyValue = extraJahiaParams.getProperty (propertyName);
            theUrl.append (condAppendURL (propertyName, propertyValue));
        }

        appendParams (theUrl, params);

        appendAnchor (theUrl);

        return encodeURL (theUrl.toString ());
    } // end composeEngineUrl


    /**
     * composeEngineUrl
     * NK compose an engine url with the field id information
     *
     */
    public String composeEngineUrl (String engineName, String params, int fieldID)