Added Jsonable support.

framework/yii/YiiBase.php

@@ -611,6 +611,31 @@ class YiiBase
 			return is_array($params) ? strtr($message, $params) : $message;
 		}
 	}
+
+	/**
+	 * Configures an object with the initial property values.
+	 * @param object $object the object to be configured
+	 * @param array $properties the property initial values given in terms of name-value pairs.
+	 */
+	public static function configure($object, $properties)
+	{
+		foreach ($properties as $name => $value) {
+			$object->$name = $value;
+		}
+	}
+
+	/**
+	 * Returns the public member variables of an object.
+	 * This method is provided such that we can get the public member variables of an object.
+	 * It is different from "get_object_vars()" because the latter will return private
+	 * and protected variables if it is called within the object itself.
+	 * @param object $object the object to be handled
+	 * @return array the public member variables of the object
+	 */
+	public static function getObjectVars($object)
+	{
+		return get_object_vars($object);
+	}
 }
 
 YiiBase::$aliases = array(

framework/yii/base/Jsonable.php

@@ -0,0 +1,22 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\base;
+
+/**
+ * Jsonable should be implemented by classes that need to be represented in JSON format.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @since 2.0
+ */
+interface Jsonable
+{
+	/**
+	 * @return string the JSON representation of this object
+	 */
+	function toJson();
+}

framework/yii/base/Model.php

@@ -10,6 +10,7 @@ namespace yii\base;
 use ArrayObject;
 use ArrayIterator;
 use yii\helpers\Inflector;
+use yii\helpers\Json;
 use yii\validators\RequiredValidator;
 use yii\validators\Validator;
 
@@ -41,7 +42,7 @@ use yii\validators\Validator;
  * @author Qiang Xue <qiang.xue@gmail.com>
  * @since 2.0
  */
-class Model extends Component implements \IteratorAggregate, \ArrayAccess
+class Model extends Component implements \IteratorAggregate, \ArrayAccess, Jsonable
 {
 	/**
 	 * @event ModelEvent an event raised at the beginning of [[validate()]]. You may set
@@ -637,6 +638,16 @@ class Model extends Component implements \IteratorAggregate, \ArrayAccess
 		return $attributes;
 	}
 
+	/**
+	 * Returns the JSON representation of this object.
+	 * The default implementation will return [[attributes]].
+	 * @return string the JSON representation of this object.
+	 */
+	public function toJson()
+	{
+		return Json::encode($this->getAttributes());
+	}
+
 	/**
 	 * Returns an iterator for traversing the attributes in the model.
 	 * This method is required by the interface IteratorAggregate.

framework/yii/base/Object.php

@@ -7,12 +7,15 @@
 
 namespace yii\base;
 
+use Yii;
+use yii\helpers\Json;
+
 /**
  * @include @yii/base/Object.md
  * @author Qiang Xue <qiang.xue@gmail.com>
  * @since 2.0
  */
-class Object
+class Object implements Jsonable
 {
 	/**
 	 * @return string the fully qualified name of this class.
@@ -38,8 +41,8 @@ class Object
 	 */
 	public function __construct($config = array())
 	{
-		foreach ($config as $name => $value) {
-			$this->$name = $value;
+		if (!empty($config)) {
+			Yii::configure($this, $config);
 		}
 		$this->init();
 	}
@@ -216,4 +219,14 @@ class Object
 	{
 		return method_exists($this, 'set' . $name) || $checkVar && property_exists($this, $name);
 	}
+
+	/**
+	 * Returns the JSON representation of this object.
+	 * The default implementation will return all public member variables.
+	 * @return string the JSON representation of this object.
+	 */
+	public function toJson()
+	{
+		return Json::encode(Yii::getObjectVars($this));
+	}
 }

framework/yii/console/controllers/AssetController.php

@@ -164,7 +164,6 @@ class AssetController extends Controller
 	protected function loadConfiguration($configFile)
 	{
 		echo "Loading configuration from '{$configFile}'...\n";
-
 		foreach (require($configFile) as $name => $value) {
 			if (property_exists($this, $name) || $this->canSetProperty($name)) {
 				$this->$name = $value;

framework/yii/helpers/base/Json.php

@@ -8,6 +8,7 @@
 namespace yii\helpers\base;
 
 use yii\base\InvalidParamException;
+use yii\base\Jsonable;
 use yii\web\JsExpression;
 
 /**
@@ -90,7 +91,9 @@ class Json
 				$token = '!{[' . count($expressions) . ']}!';
 				$expressions['"' . $token . '"'] = $data->expression;
 				return $token;
-			}
+			} elseif ($data instanceof Jsonable) {
+				return $data->toJson();
+			} else {
 				$result = array();
 				foreach ($data as $key => $value) {
 					if (is_array($value) || is_object($value)) {
@@ -100,6 +103,7 @@ class Json
 					}
 				}
 				return $result;
+			}
 		} else {
 			return $data;
 		}