diff -r 86af6c333601 -r 0446eb7b28aa smf/inc/smfplugins/base/smfpluginutil.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/smf/inc/smfplugins/base/smfpluginutil.h	Thu Apr 15 15:35:36 2010 +0530
@@ -0,0 +1,128 @@
+/**
+ * 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 <QObject.h>
+#include <QNetworkAccessManager>
+
+/**
+ * see http://qjson.sourceforge.net/usage.html for more details
+ */
+using namespace QJson;
+class Parser;
+
+enum SmfSignatureMethod
+	{
+	HMAC_SHA1,
+	RSA_SHA1,
+	PLAINTEXT
+	};
+
+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 SmfPluginUtil : public QObject
+	{
+	Q_OBJECT
+
+public:
+	/**
+	 * Method to get the instance of SmfPluginUtil class
+	 * @param aParser The JSON parser utility object instance
+	 * @return The instance of SmfPluginUtil class
+	 */
+	static SmfPluginUtil* getInstance ( Parser *aParser );
+
+	/**
+	 * Destructor
+	 */
+	~SmfPluginUtil ( );
+
+	/**
+	 * Method called by plugins to get the handle to QJson library
+	 * @param aHandle [out] The QJson handle
+	 */
+	Parser* getJsonHandle( void );
+
+	/**
+	 * Method called by plugins to get the OAuth Keys. The PM sends the
+	 * keys only if the pluginID is that of a currently loaded plugin
+	 * @param aKeys [out] The OAuth keys
+	 * @param aPluginID The ID of the plugin that requests for
+	 * the OAuth keys
+	 */
+	void getAuthKeys( QMap<QString, QString> &aKeys, QString aPluginID );
+
+	/**
+	 * Method called by plugins to get the Nonce value
+	 * @param aStr [out] The Nonce value
+	 */
+	void getNonce( QString &aStr );
+
+	/**
+	 * 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:
+	/**
+	 * Constructor with default argument
+	 * @param aParent The parent object
+	 */
+	SmfPluginUtil ( Parser *aParser );
+
+
+private:
+	/**
+	 * The single instance of SmfPluginUtil
+	 */
+	static SmfPluginUtil* m_myInstance;
+
+	Parser *m_jsonParser;
+
+	};
+
+#endif /* SMFPLUGINUTIL_H_ */