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d3developer on 08/08/10

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Last Edited at 08/08/10 11:59am

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@umityalcinalp URLRewriter

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http://blog.sforce.com/sforce/2010/05/url-rewriting-for-your-customizing-your-site-urls.html

global class ApexClassName implements Site.UrlRewriter {

global PageReference mapRequestUrl(PageReference externalUrl) {//}

global List<PageReference> generateUrlFor(List<PageReference> myForcedotcomUrls) {//...}

}

Note that a developer may not need all of the methods and may choose to return a null.

Here is the implementation of our the global Apex class that maps the URLs from our example:

global class myRewriter implements Site.UrlRewriter {

//Variables to represent the friendly URLs for pages

String DIRECTORY = '/friendly/';

//Variables to represent my custom Visualforce pages that display page information

String VISUALFORCE_PAGE = '/page?pageid=';

// The first global method for mapping external URL to an internal one

global PageReference mapRequestUrl(PageReference myFriendlyUrl){

String url = myFriendlyUrl.getUrl();

if(url.startsWith(DIRECTORY)){

String name = url.substring(DIRECTORY.length(),url.length());

//Select the ID of the page that matches the name from the URL

Page__c site_page = [select id from Page__c where name =:name LIMIT 1];

//Construct a new page reference in the form of my Visualforce page

return new PageReference(VISUALFORCE_PAGE + site_page.id);

}

//If the URL isn't in the form of a cmasforce page, continue with the request

return null;

}

// The second global method for mapping internal Ids to URLs

global List<PageReference> generateUrlFor(List<PageReference> mySalesforceUrls){

//A list of pages to return after all the links have been evaluated

List<PageReference> myFriendlyUrls = new

List<PageReference>();

for(PageReference mySalesforceUrl : mySalesforceUrls){

//Get the URL of the page

String url = mySalesforceUrl.getUrl();

//If this looks like a page that needs to be mapped, transform it

if(url.startsWith(VISUALFORCE_PAGE)){

//Extract the ID from the query parameter

String id= url.substring(VISUALFORCE_PAGE.length(), url.length());

//Query for the name of the cmsforce page to put in the URL

Page__c site_page2 = [select name from Page__c where id =:id LIMIT 1];

//Construct the new URL

myFriendlyUrls.add(new PageReference(DIRECTORY+ site_page2.name));

}

else {

//If this doesn't start like an cmsforce page, don't do any transformations

myFriendlyUrls.add(mySalesforceUrl);

}

//Return the full list of pages

return myFriendlyUrls;

}

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