How to get Standard and Custom Object List in Apex class

Question

I am trying to get all Standard and Custom Objects name from Schema class in apex class. I need to remove all shared objects from the list.

Answer 1

Here is updated code that will give list of all objects excluding Share, history , Tag & feed. You can add extra condition to filter out other unnecessary sObjects.

List<string> SObjectList = new List<string>();

for(Schema.SObjectType objTyp : Schema.getGlobalDescribe().Values()){
   String name = objTyp.getDescribe().getName();
   // Exclude all the unwanted Sobjects e.g. History, Share etc..

 if((!name.containsignorecase('history') && !name.containsignorecase('tag')&&
    !name.containsignorecase('share') && !name.containsignorecase('feed')) || 
     name.toLowerCase().right(3) ==  '__c'){      
      SobjectList.add(name);
      System.debug( 'Name : ' + name);
  }

}

Answer 2

Here is my way, it works fine. Please test it.

global static List<String> getAllCustomSObjects()
{
    List<String> sObjectList = new List<String>();
    for(Schema.SObjectType objTyp : Schema.getGlobalDescribe().Values())
    {
        Schema.DescribeSObjectResult describeSObjectResultObj = objTyp.getDescribe();
        if(describeSObjectResultObj.isCustom())
        {
            String name = objTyp.getDescribe().getName();
            // Exclude all the unwanted Sobjects e.g. History, Share etc..
            if(!name.containsignorecase('history') && !name.containsignorecase('tag')&&
             !name.containsignorecase('share') && !name.containsignorecase('feed'))
            {
                SobjectList.add(name);
            }
        }
    }
    system.debug('SObjectList****' + SObjectList);
    return sObjectList;
}

Answer 3

Unfortunately there's not a great way to exclude all objects like share, tag, etc. from the Schema.getGlobalDescribe() results apart from using the String class .contains() method as shown above. This still leaves a lot of unwanted objects in the list though, as not all of them have a set naming convention that can be detected and filtered.

Although not dynamic, depending on your use case you may try something like the following:

    private Set<String> desiredStandardObjects = new Set<String>{'Account','User',...};

    List<String> objectList = new List<String>();
    for(Schema.SObjectType objTyp : Schema.getGlobalDescribe().Values()){
        Schema.DescribeSObjectResult obj = objTyp.getDescribe();
        if((obj.isCustom() && !obj.getName.contains('ChangeEvent')) || desiredStandardObjects.contains(obj.getName()){
                objectList.add(name);
            
        }
    }

This way you filter out most of the unwanted objects and keep all the custom objects and wanted standard objects.

There are still some "system" objects that are technically custom objects. For example every custom object has a ChangeEvent object that is autogenerated by Salesforce. You can filter out by the String 'ChangeEvent' in the API name to help with that.