Template for generating setter with checking not null in IntelliJ Idea

NotNullSetterTemplate

#set($paramName = $helper.getParamName($field, $project))
#if($field.modifierStatic)
static ##
#end
void set$StringUtil.capitalizeWithJavaBeanConvention($StringUtil.sanitizeJavaIdentifier($helper.getPropertyName($field, $project)))($field.type $paramName) {
  if($paramName != null){
    #if ($field.name == $paramName)
        #if (!$field.modifierStatic)
          this.##
        #else
          $classname.##
        #end
      #end
    $field.name = $paramName;
  }
}