CRUD_FLS_CheckUtility

public with sharing class CRUD_FLS_CheckUtility {

    public static Boolean checkReadAccess(String [] fieldsToRead, Map<String,Schema.SObjectField> m) {
        for (String toRead : fieldsToRead) {
            // Check if the user has read access on the each field
            if (!m.get(toRead).getDescribe().isAccessible()) {
                return false;                                     
            }
        } 
        return true;
    }

    public static Boolean checkCreateAccess(String [] fieldsToCreate, Map<String,Schema.SObjectField> m ){
        for (String toCreate : fieldsToCreate) {
            // Check if the user has create access on the each field          
            if (!m.get(toCreate).getDescribe().isCreateable()) {  
                return false;                                     
            }
        } 
        return true;
    }
    
    public static Boolean checkUpdateAccess(String [] fieldsToUpdate, Map<String,Schema.SObjectField> m ){
        for (String toUpdate : fieldsToUpdate) {
            // Check if the user has update access on the each field            
            if (!m.get(toUpdate).getDescribe().isUpdateable()) {
                return false;                                     
            }
        } 
        return true;
    }         

    public static Boolean checkDeleteAccess(Schema.DescribeSObjectResult m){
        return m.isDeletable();
    }         
}