diff -r 106a4bfcb866 -r 013a02bf2bb0 smf/smfservermodule/smfcommon/smfpluginutil.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/smf/smfservermodule/smfcommon/smfpluginutil.cpp	Thu Aug 05 16:48:48 2010 +0530
@@ -0,0 +1,158 @@
+/**
+ * Copyright (c) 2010 Sasken Communication Technologies Ltd.
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of the "Eclipse Public License v1.0" 
+ * which accompanies  this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html"
+ *
+ * Initial Contributors:
+ * Chandradeep Gandhi, Sasken Communication Technologies Ltd - Initial contribution
+ *
+ * Contributors:
+ * Manasij Roy, Nalina Hariharan
+ * 
+ * Description:
+ * The Plugin util class provides the information required for the 
+ * plugins from Smf framework 
+ *
+ */
+
+#include <smfpluginutil.h>
+
+
+/**
+ * Constructor
+ */
+SmfPluginUtil::SmfPluginUtil ( )
+	{
+	m_jsonParser = new QJson::Parser;
+	}
+	
+/**
+ * Destructor
+ */
+SmfPluginUtil::~SmfPluginUtil ( )
+	{
+	if(m_jsonParser)
+		delete m_jsonParser;
+	}
+	
+
+/**
+* Read JSON string from the I/O Device and converts it to a QVariant object
+* @param io Input output device
+* @param ok if a conversion error occurs, *ok is set to false; otherwise *ok is set to true.
+* @returns a QVariant object generated from the JSON string
+*/
+QVariant SmfPluginUtil::parse ( QIODevice* io, bool* ok )
+	{
+	return m_jsonParser->parse(io, ok);
+	}
+
+/**
+* This is a method provided for convenience.
+* @param jsonData data containing the JSON object representation
+* @param ok if a conversion error occurs, *ok is set to false; otherwise *ok is set to true.
+* @returns a QVariant object generated from the JSON string
+* @sa errorString
+* @sa errorLine
+*/
+QVariant SmfPluginUtil::parse ( const QByteArray& jsonData, bool* ok )
+	{
+	return m_jsonParser->parse(jsonData, ok);
+	}
+
+/**
+* This method returns the error message tha ocuured during last parsing
+* @returns a QString object containing the error message of the last parse operation
+*/
+QString SmfPluginUtil::errorString ( ) const
+	{
+	return m_jsonParser->errorString();
+	}
+
+/**
+* This method returns line number where the last QJson parsing error occurred
+* @returns the line number where the error occurred
+ */
+int SmfPluginUtil::errorLine ( ) const
+	{
+	return m_jsonParser->errorLine();
+	}
+
+/**
+ * Method called by plugins to get the OAuth Keys.
+ * @param aKeys [out] The OAuth keys
+ * @param aRegToken The plugin's registration token
+ * @param aValidity The validity of the keys
+ * @param aPluginID The ID of the plugin that requests for 
+ * the OAuth keys
+ */
+void SmfPluginUtil::getAuthKeys( SmfAuthParams &aKeys, 
+		const QString aRegToken, 
+		const QDateTime& aValidity,
+		const QString aPluginID )
+	{
+	aKeys.clear();
+	
+	// Invalid arguments
+	if( (0 == aRegToken.size()) || 
+		(0 == aPluginID.size()) || 
+		(aValidity.isNull()) )
+		return;
+	
+	// Call Credential manager function to get the keys passing the registration token and the plugin
+	SmfCredMgrClient csmClient;
+	csmClient.AuthDataSet(aRegToken,aValidity,aKeys);
+	}
+
+/**
+ * Method called by plugins to get the Nonce value
+ * @param aNonceString [out] The Nonce string
+ * @param aLength Lenth of the NONCE tobe generated
+ */
+void SmfPluginUtil::getNonce( QString &aNonceString, const qint64 aLength )
+	{
+	aNonceString.clear();
+	
+	// Invalid argument
+	if(aLength < 0)
+		return;
+	
+	// Call Credential manager function to get the nonce string
+	SmfCredMgrClient csmClient;
+	aNonceString = csmClient.GenerateNONCE(aLength);
+	}
+
+/**
+ * Method called by plugins to generate a parameters string required to 
+ * access Protected Resources using OAuth authorization.
+ * @param aRequestUrl The request URL
+ * @param aOperation The type of http operation
+ * @param aToken The access token
+ * @param aTokenSecret The token secret
+ * @param aSignatureMethod The signature method to be used
+ * @param aParams A map of parameters to its values
+ * @param aMode The mode of creation of the request
+ * @return The cretd parameter string
+ */
+QByteArray SmfPluginUtil::createParameterString( const QString &aRequestUrl, 
+		QNetworkAccessManager::Operation aOperation, 
+		const QByteArray &aToken, 
+		const QByteArray &aTokenSecret, 
+		const SmfSignatureMethod aSignatureMethod, 
+		const QMultiMap<QByteArray, QByteArray> &aParams, 
+		const SmfParsingMode aMode)
+	{
+	Q_UNUSED(aRequestUrl)
+	Q_UNUSED(aOperation)
+	Q_UNUSED(aToken)
+	Q_UNUSED(aTokenSecret)
+	Q_UNUSED(aSignatureMethod)
+	Q_UNUSED(aParams)
+	Q_UNUSED(aMode)
+	return QByteArray();
+	//// Call Credential manager function to create and sign the parameter string
+	}
+