[Form] Make exception handling consistent with other components

Author: Alexander Kotynia

AbstractExtension.php

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\Form;
 
-use Symfony\Component\Form\Exception\Exception;
+use Symfony\Component\Form\Exception\InvalidArgumentException;
 use Symfony\Component\Form\Exception\UnexpectedTypeException;
 
 /**
@@ -53,7 +53,7 @@ public function getType($name)
         }
 
         if (!isset($this->types[$name])) {
-            throw new Exception(sprintf('The type "%s" can not be loaded by this extension', $name));
+            throw new InvalidArgumentException(sprintf('The type "%s" can not be loaded by this extension', $name));
         }
 
         return $this->types[$name];

Button.php

@@ -65,11 +65,11 @@ public function offsetExists($offset)
      *
      * @param mixed $offset
      *
-     * @throws \BadMethodCallException
+     * @throws BadMethodCallException
      */
     public function offsetGet($offset)
     {
-        throw new \BadMethodCallException('Buttons cannot have children.');
+        throw new BadMethodCallException('Buttons cannot have children.');
     }
 
     /**
@@ -80,11 +80,11 @@ public function offsetGet($offset)
      * @param mixed $offset
      * @param mixed $value
      *
-     * @throws \BadMethodCallException
+     * @throws BadMethodCallException
      */
     public function offsetSet($offset, $value)
     {
-        throw new \BadMethodCallException('Buttons cannot have children.');
+        throw new BadMethodCallException('Buttons cannot have children.');
     }
 
     /**
@@ -94,11 +94,11 @@ public function offsetSet($offset, $value)
      *
      * @param mixed $offset
      *
-     * @throws \BadMethodCallException
+     * @throws BadMethodCallException
      */
     public function offsetUnset($offset)
     {
-        throw new \BadMethodCallException('Buttons cannot have children.');
+        throw new BadMethodCallException('Buttons cannot have children.');
     }
 
     /**
@@ -126,11 +126,11 @@ public function getParent()
      * @param null                     $type
      * @param array                    $options
      *
-     * @throws \BadMethodCallException
+     * @throws BadMethodCallException
      */
     public function add($child, $type = null, array $options = array())
     {
-        throw new \BadMethodCallException('Buttons cannot have children.');
+        throw new BadMethodCallException('Buttons cannot have children.');
     }
 
     /**
@@ -140,11 +140,11 @@ public function add($child, $type = null, array $options = array())
      *
      * @param string $name
      *
-     * @throws \BadMethodCallException
+     * @throws BadMethodCallException
      */
     public function get($name)
     {
-        throw new \BadMethodCallException('Buttons cannot have children.');
+        throw new BadMethodCallException('Buttons cannot have children.');
     }
 
     /**
@@ -166,11 +166,11 @@ public function has($name)
      *
      * @param string $name
      *
-     * @throws \BadMethodCallException
+     * @throws BadMethodCallException
      */
     public function remove($name)
     {
-        throw new \BadMethodCallException('Buttons cannot have children.');
+        throw new BadMethodCallException('Buttons cannot have children.');
     }
 
     /**
@@ -196,11 +196,11 @@ public function getErrors()
      *
      * @param string $modelData
      *
-     * @throws \BadMethodCallException
+     * @throws BadMethodCallException
      */
     public function setData($modelData)
     {
-        throw new \BadMethodCallException('Buttons cannot have data.');
+        throw new BadMethodCallException('Buttons cannot have data.');
     }
 
     /**
@@ -288,11 +288,11 @@ public function getPropertyPath()
      *
      * @param FormError $error
      *
-     * @throws \BadMethodCallException
+     * @throws BadMethodCallException
      */
     public function addError(FormError $error)
     {
-        throw new \BadMethodCallException('Buttons cannot have errors.');
+        throw new BadMethodCallException('Buttons cannot have errors.');
     }
 
     /**