How to get the Salesforce Instance Server URL from APEX Trigger?

How to get the Salesforce Instance Server URL from APEX Trigger?

Hi,

Using trigger we can get the Salesforce Server URL, below is the example:

for example, used below codes in before insert or before update triggers from account object,

trigger accountBeforeInsert on Account (before insert, before update) {
if(trigger.isBefore == true && (trigger.isInsert == true || trigger.isUpdate == true)) {
URL currentURL = URL.getCurrentRequestUrl();
URL comparisonURL = new URL(URL.getSalesforceBaseUrl().toExternalForm() + Page.YOUR_VF_PAGE_URL.getUrl());
system.debug('currentURL:::'+ currentURL);
system.debug('comparisonURL:::'+ comparisonURL);
boolean knownPath = currentURL.getPath() == comparisonURL.getPath();

if(knownPath == true) {
// Currently You comming from Custom VF Page ("YOUR_VF_PAGE_URL")
} else {
// Currently You Comming from Standard Account Page Creation.
}
}
}

Note: if you view and submitting the page from “YOUR_VF_PAGE_URL” then you can get the values true in the “knownPath” variables.
Ex:

https://c.cs8.visual.force.com/apex/YOUR_VF_PAGE_URL?Id=00UL0000001Ytcf

knownPath = TRUE;

if you trying to create a new account from standard page

https://cs8.salesforce.com/001/e?retURL=%2F001%2Fo&nooverride=1

knownPath = FALSE;


That's it !!

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