Salesforce: Dynamically Create Apex Class and Apex Test Class using Tooling API 


//Creating the Apex Class JSON Body
String classMethod = 'public String DynamicClassMethod (string methodName) { return methodName; }';
String classBody = 'Public Class DynamicClass { ';
classBody += classMethod + '}';

//Creating the Apex Test Class JSON Body
String testClassBody = '@isTest private Class DynamicClassTest { ';
String methodParameter = 'testName'; 
String testClassMethodInstance = ' DynamicClass DynamicClassInstance = new DynamicClass(); ';
testClassMethodInstance += ' DynamicClass.DynamicClassMethod( \''+methodParameter+'\');';
testClassBody += testClassMethodInstance + '}';

String sessionId = UserInfo.getSessionID();
String endpointURL = URL.getSalesforceBaseUrl().toExternalForm();
HttpResponse httpResponseBody;
String jsonBody;

//Check whether class already created or not?
List<ApexClass> apexClasssList = [SELECT id FROM ApexClass WHERE Name = 'DynamicClass']; 
//If Class already created then update the existing class
if(apexClasssList.size()>0) { 
 //During one session we get one key. IF we want to ge the id multiple times in the same session then we need to pass the different values in the name key value
 jsonBody = '{"Name":"'+crypto.getRandomLong()+'"}';   
 httpResponseBody = makeHttpRequest(endpointURL+'/services/data/v44.0/tooling/sobjects/MetadataContainer/','Bearer ' + sessionId,jsonBody);

 Id metadataContainerId = (String)((Map<String,Object>)JSON.deserializeuntyped(httpResponseBody.getBody())).get('id');

 jsonBody = '{"MetadataContainerId" : "'+metadataContainerId+'", "ContentEntityId" : "'+apexClasssList[0].id+'", "Body": "'+classbody+'"}';
 httpResponseBody = makeHttpRequest(endpointURL+'/services/data/v44.0/tooling/sobjects/ApexClassMember/','Bearer ' + sessionId,jsonBody); 

 jsonBody = '{"MetadataContainerId" : "'+metadataContainerId+'", "isCheckOnly": "false"}';
 httpResponseBody = makeHttpRequest(endpointURL+'/services/data/v44.0/tooling/sobjects/ContainerAsyncRequest/','Bearer ' + sessionId,jsonBody); 
} else { //If Class not exist then create the new class
 jsonBody = '{ "Name" : "DynamicClass", "Body" : "'+classBody+'" }';
 httpResponseBody = makeHttpRequest(endpointURL+'/services/data/v44.0/sobjects/ApexClass','OAuth ' + sessionId,jsonBody); 
} 



//Check whether apex Test class already created or not?
List<ApexClass> apexTestClasssList = [SELECT id FROM ApexClass WHERE Name = 'DynamicClassTest']; 
//If Class already created then update the existing class
if(apexTestClasssList.size()>0) {      
    //During one session we get one key. IF we want to ge the id multiple times in the same session then we need to pass the different values in the name key value
 jsonBody = '{"Name":"'+crypto.getRandomLong()+'"}';
    httpResponseBody = makeHttpRequest(endpointURL+'/services/data/v44.0/tooling/sobjects/MetadataContainer/','Bearer ' + sessionId,jsonBody);
   
    Id metadataContainerId = (String)((Map<String,Object>)JSON.deserializeuntyped(httpResponseBody.getBody())).get('id');

    jsonBody = '{"MetadataContainerId" : "'+metadataContainerId+'", "ContentEntityId" : "'+apexTestClasssList[0].id+'", "Body": "'+testClassBody+'"}';
 httpResponseBody = makeHttpRequest(endpointURL+'/services/data/v44.0/tooling/sobjects/ApexClassMember/','Bearer ' + sessionId,jsonBody); 

    jsonBody = '{"MetadataContainerId" : "'+metadataContainerId+'", "isCheckOnly": "false"}';
 httpResponseBody = makeHttpRequest(endpointURL+'/services/data/v44.0/tooling/sobjects/ContainerAsyncRequest/','Bearer ' + sessionId,jsonBody); 
} else {  //If Class not exist then create the new class
 jsonBody = '{ "Name" : "DynamicClassTest", "Body" : "'+testClassBody+'" }';
 httpResponseBody = makeHttpRequest(endpointURL+'/services/data/v44.0/sobjects/ApexClass','OAuth ' + sessionId,jsonBody); 
} 
public HttpResponse makeHttpRequest(String endPoint, String sessionId, String jsonBody){
   HttpRequest httpRequestCall = new HttpRequest();
   httpRequestCall.setEndpoint(endPoint);        
   httpRequestCall.setMethod('POST');
   httpRequestCall.setHeader('Content-Type', 'application/json');
   httpRequestCall.setHeader('Authorization', sessionId);
   httpRequestCall.setBody(jsonBody);
   Http http = new Http();
   return http.send(httpRequestCall);
}
 


    

Comments

Post a Comment

Popular posts from this blog

Transaction Security Policy In Salesforce

Transaction Security Policies is a powerful feature used to enforce additional security measures based on user behavior. They allow administrators to set up rules that trigger actions when specific conditions are met during a transaction. Here’s a brief overview of how they work: Purpose : It's designed to enhance security by monitoring and responding to user actions in real-time. Conditions : Administrators can define conditions based on various factors such as user location, IP address, user agent, and more. Actions : When a defined condition is met, Salesforce can perform actions like blocking the transaction, logging an event, or executing a custom Apex code. Use Cases : TSPs are commonly used to prevent risky transactions, such as login attempts from unusual locations or outside normal working hours, helping to mitigate potential security threats. Configuration : They are configured through Salesforce Setup under Transaction Security Policies. Here, admins can c...
Read more

Salesforce Data Cloud

Image
Salesforce Data Cloud (formerly known as Salesforce Customer Data Platform or CDP) is a powerful real-time platform designed to unify customer data from various sources to create a comprehensive view of each customer.  Key Features of Data Cloud: Data Integration: It connects to various data sources, including CRM, ERP, e-commerce platforms, social media, and third-party systems, allowing seamless data integration. Real-Time Data Processing: Salesforce Data Cloud processes data in real time, enabling businesses to respond instantly to customer interactions and behaviors. Identity Resolution: The platform uses AI and machine learning to resolve duplicate customer records and create unified profiles by matching data points across different systems. Segmentation and Personalization: Marketers can create precise customer segments and personalize customer interactions across multiple channels like email, web, mobile, and in-person experiences. Data Activation: It empowers users to activ...
Read more

Add/Remove Content in the VF Page using JS

<apex:page docType="html" > <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script>   <script type="text/javascript">   $(document).ready(function(){       var obj=new Array();           $("#addBtn").click(function(){           obj.push($("[id$=accName]").val());           displayDetailsInPanel();                   alert("Saved..."+obj.length);                   $("[id$=accName]").val('');           $('#displayPanel').hide();           });       function displayDetailsInPanel(){         var imgTag = document.createElement("img");         imgTag.src = '{!URLFOR($Resource.closeImages,'close-icon.jpg')}';       ...
Read more