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diff --git a/parameter/ComponentType.cpp b/parameter/ComponentType.cpp
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+/* <auto_header>
+ * <FILENAME>
+ * 
+ * INTEL CONFIDENTIAL
+ * Copyright © 2011 Intel 
+ * Corporation All Rights Reserved.
+ * 
+ * The source code contained or described herein and all documents related to
+ * the source code ("Material") are owned by Intel Corporation or its suppliers
+ * or licensors. Title to the Material remains with Intel Corporation or its
+ * suppliers and licensors. The Material contains trade secrets and proprietary
+ * and confidential information of Intel or its suppliers and licensors. The
+ * Material is protected by worldwide copyright and trade secret laws and
+ * treaty provisions. No part of the Material may be used, copied, reproduced,
+ * modified, published, uploaded, posted, transmitted, distributed, or
+ * disclosed in any way without Intel’s prior express written permission.
+ * 
+ * No license under any patent, copyright, trade secret or other intellectual
+ * property right is granted to or conferred upon you by disclosure or delivery
+ * of the Materials, either expressly, by implication, inducement, estoppel or
+ * otherwise. Any license under such intellectual property rights must be
+ * express and approved by Intel in writing.
+ * 
+ *  AUTHOR: Patrick Benavoli (patrickx.benavoli@intel.com)
+ * CREATED: 2011-06-01
+ * UPDATED: 2011-07-27
+ * 
+ * 
+ * </auto_header>
+ */
+#include "ComponentType.h"
+#include "ComponentLibrary.h"
+#include "TypeElement.h"
+#include "XmlParameterSerializingContext.h"
+#include <assert.h>
+
+#define base CTypeElement
+
+CComponentType::CComponentType(const string& strName) : base(strName), _pExtendsComponentType(NULL)
+{
+}
+
+string CComponentType::getKind() const
+{
+    return "ComponentType";
+}
+
+bool CComponentType::childrenAreDynamic() const
+{
+    return true;
+}
+
+bool CComponentType::getMappingData(const string& strKey, string& strValue) const
+{
+    // Try myself first then extended component type
+    return base::getMappingData(strKey, strValue) || (_pExtendsComponentType && _pExtendsComponentType->getMappingData(strKey, strValue));
+}
+
+bool CComponentType::hasMappingData() const
+{
+    // Try myself first then extended component type
+    return base::hasMappingData() || (_pExtendsComponentType && _pExtendsComponentType->hasMappingData());
+}
+
+bool CComponentType::fromXml(const CXmlElement& xmlElement, CXmlSerializingContext& serializingContext)
+{
+    // Context
+    CXmlParameterSerializingContext& parameterBuildContext = static_cast<CXmlParameterSerializingContext&>(serializingContext);
+
+    const CComponentLibrary* pComponentLibrary = parameterBuildContext.getComponentLibrary();
+
+    // Populate children
+    if (!base::fromXml(xmlElement, serializingContext)) {
+
+        return false;
+    }
+
+    // Check for Extends attribute (extensions will be populated after and not before)
+    if (xmlElement.hasAttribute("Extends")) {
+
+        string strExtendsType = xmlElement.getAttributeString("Extends");
+
+        _pExtendsComponentType = pComponentLibrary->getComponentType(strExtendsType);
+
+        if (!_pExtendsComponentType) {
+
+            serializingContext.setError("ComponentType " + strExtendsType + " referred to by " + xmlElement.getPath() + " not found!");
+
+            return false;
+        }
+
+        if (_pExtendsComponentType == this) {
+
+            serializingContext.setError("Recursive ComponentType definition of " + xmlElement.getPath());
+
+            return false;
+        }
+    }
+
+    return true;
+}
+
+void CComponentType::populate(CElement* pElement) const
+{
+    // Populate children
+    base::populate(pElement);
+
+    // Manage extended type
+    if (_pExtendsComponentType) {
+
+        // Populate from extended type
+        _pExtendsComponentType->populate(pElement);
+    }
+}
+
+CInstanceConfigurableElement* CComponentType::doInstantiate() const
+{
+    // Not supposed to be called directly (instantiation made through CComponentInstance object)
+    assert(0);
+
+    return NULL;
+}