Changing behavior of RequestHandlerComponent::responseType(), it will…

… return the current content type set int the response object

It will not return null as default as it did prior 2.0

cake/libs/controller/components/request_handler.php

@@ -47,15 +47,6 @@ class RequestHandlerComponent extends Object {
  */
 	public $enabled = true;
 
-/**
- * Holds the content-type of the response that is set when using
- * RequestHandler::respondAs()
- *
- * @var string
- * @access private
- */
-	private $__responseTypeSet = null;
-
 /**
  * Holds the reference to Controller::$request
  *
@@ -566,7 +557,6 @@ function respondAs($type, $options = array()) {
 			if (!empty($options['attachment'])) {
 				$this->response->download($options['attachment']);
 			}
-			$this->__responseTypeSet = $cType;
 			return true;
 		}
 		return false;
@@ -579,10 +569,7 @@ function respondAs($type, $options = array()) {
  *    otherwise null
  */
 	public function responseType() {
-		if ($this->__responseTypeSet == null) {
-			return null;
-		}
-		return $this->mapType($this->__responseTypeSet);
+		return $this->mapType($this->response->type());
 	}
 
 /**

cake/tests/cases/libs/controller/components/request_handler.test.php

@@ -442,7 +442,7 @@ function testRequestContentTypes() {
  * @return void
  */
 	function testResponseContentType() {
-		$this->assertNull($this->RequestHandler->responseType());
+		$this->assertEquals('html', $this->RequestHandler->responseType());
 		$this->assertTrue($this->RequestHandler->respondAs('atom'));
 		$this->assertEqual($this->RequestHandler->responseType(), 'atom');
 	}