diff -r 106a4bfcb866 -r 013a02bf2bb0 smf/smfservermodule/smfcommon/smfpluginutil.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/smf/smfservermodule/smfcommon/smfpluginutil.h	Thu Aug 05 16:48:48 2010 +0530
@@ -0,0 +1,134 @@
+/**
+ * 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 
+ *
+ */
+
+#ifndef SMFPLUGINUTIL_H_
+#define SMFPLUGINUTIL_H_
+
+#include <QNetworkAccessManager>
+#include <QMap>
+#include <QVariant>
+#include <parser.h>
+#include <smfclientglobal.h>
+#include <smfcredmgrclient.h>
+
+enum SmfParsingMode
+	{
+	ParseForRequestContent, //Inline query format (foo=bar&bar=baz&baz=foo ...), suitable for POST requests.
+	ParseForInlineQuery, // Same as ParseForRequestContent, but prepends the string with a question mark - 
+						// suitable for GET requests (appending parameters to the request URL) 
+	ParseForHeaderArguments // HTTP request header format (parameters to be put inside a request header). 
+	};
+
+/**
+ * The Plugin util class provides the information required for the 
+ * plugins from Smf framework
+ */
+class SMFCOMMON_EXPORT SmfPluginUtil
+	{
+public:
+	/**
+	 * Constructor
+	 */
+	SmfPluginUtil();
+	
+	/**
+	 * Destructor
+	 */
+	~SmfPluginUtil ( );
+	
+	/**
+    * 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 parse ( QIODevice* io, bool* ok = 0 );
+
+    /**
+    * 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 parse ( const QByteArray& jsonData, bool* ok = 0 );
+    
+    /**
+    * 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 errorString ( ) const;
+
+    /**
+    * This method returns line number where the last QJson parsing error occurred
+    * @returns the line number where the error occurred
+    */
+    int errorLine ( ) const;
+	
+    /**
+     * 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 getAuthKeys( SmfAuthParams &aKeys, 
+    		const QString aRegToken, 
+    		const QDateTime& aValidity,
+    		const QString aPluginID );
+	
+	/**
+	 * Method called by plugins to get the Nonce value
+	 * @param aNonceString [out] The Nonce string
+	 * @param aLength Lenth of the NONCE tobe generated
+	 */
+    void getNonce( QString &aNonceString, const qint64 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 createParameterString( const QString &aRequestUrl, 
+			QNetworkAccessManager::Operation aOperation, 
+			const QByteArray &aToken, 
+			const QByteArray &aTokenSecret, 
+			const SmfSignatureMethod aSignatureMethod, 
+			const QMultiMap<QByteArray, QByteArray> &aParams, 
+			const SmfParsingMode aMode);
+	
+private:
+	/**
+	 * The instance of QJson::Parser
+	 */
+	QJson::Parser *m_jsonParser;
+	
+	};
+
+#endif /* SMFPLUGINUTIL_H_ */