remotemgmt_plat/scp_server_api/inc/SCPParamObject.h
changeset 0 b497e44ab2fc
child 25 b183ec05bd8c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/remotemgmt_plat/scp_server_api/inc/SCPParamObject.h	Thu Dec 17 09:07:52 2009 +0200
@@ -0,0 +1,217 @@
+/*
+* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*       Defines a class that can be used to store a set of parameters and values
+*       and trasfer them in a packed format.
+*
+*
+*/
+
+
+#ifndef SCPPARAMOBJECT_H
+#define SCPPARAMOBJECT_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <e32cmn.h>
+#include <bldvariant.hrh>
+
+class RFs;
+
+/**
+*  The definition for the parameter object class
+*/
+class CSCPParamObject: public CBase
+    {
+	public:  // Methods
+
+        // Constructors and destructor                
+        
+        /**
+        * Static constructor.
+        */
+   	    IMPORT_C static CSCPParamObject* NewL();
+        
+        /**
+        * Static constructor, that leaves the pointer to the cleanup stack.
+        */
+        IMPORT_C static CSCPParamObject* NewLC();         
+
+        
+        /**
+        * Destructor
+        */        
+        IMPORT_C virtual ~CSCPParamObject();  
+        
+        // New methods 
+        
+        /**
+        * Get the value of an identified parameter stored in the object
+        * @param aParamID The ID of the requested parameter.
+        * @return A positive integer indicating the lenght, or an error code
+        * <BR><B>Name of return value:</B> Operation status
+        * <BR><B>Type of return value:</B> TInt
+        * <BR><B>Range of return value:</B> The length or an error code
+        * <BR><B>Contents of return value:</B> The status code of the operation.        
+        */        
+        IMPORT_C TInt GetParamLength( TInt aParamID );                       
+        
+        /**
+        * Get the value of an identified parameter stored in the object
+        * @param aParamID The ID of the requested parameter.
+        * @param aValue Will contain a pointer to a descriptor containing the value
+        * after a successful call. The client owns this pointer after the call.
+        * @return The status, see below
+        * <BR><B>Name of return value:</B> Operation status
+        * <BR><B>Type of return value:</B> TInt
+        * <BR><B>Range of return value:</B> A system wide error code
+        * <BR><B>Contents of return value:</B> The status code of the operation.        
+        */        
+        IMPORT_C TInt Get( TInt aParamID, TDes& aValue ); 
+        
+        /**
+        * Get the value of an identified parameter stored in the object
+        * @param aParamID The ID of the requested parameter.
+        * @param aValue Will contain the requested value converted to an integer
+        * after a successful call. If the value cannot be converted, an error will
+        * be returned.
+        * @return The status, see below
+        * <BR><B>Name of return value:</B> Operation status
+        * <BR><B>Type of return value:</B> TInt
+        * <BR><B>Range of return value:</B> A system wide error code
+        * <BR><B>Contents of return value:</B> The status code of the operation.        
+        */        
+        IMPORT_C TInt Get( TInt aParamID, TInt& aValue ); 
+        
+        /**
+        * Set the value of a parameter. Will replace an existing value, or add a
+        * new one.
+        * @param aParamID The ID of the parameter.
+        * @param aValue The value to set.
+        * @return The status, see below
+        * <BR><B>Name of return value:</B> Operation status
+        * <BR><B>Type of return value:</B> TInt
+        * <BR><B>Range of return value:</B> A system wide error code
+        * <BR><B>Contents of return value:</B> The status code of the operation.        
+        */        
+        IMPORT_C TInt Set( TInt aParamID, TDes& aValue ); 
+        
+        /**
+        * Set the value of a parameter. Will replace an existing value, or add a
+        * new one.
+        * @param aParamID The ID of the parameter.
+        * @param aValue The value to set, will be converted to a descriptor.
+        * @return The status, see below
+        * <BR><B>Name of return value:</B> Operation status
+        * <BR><B>Type of return value:</B> TInt
+        * <BR><B>Range of return value:</B> A system wide error code
+        * <BR><B>Contents of return value:</B> The status code of the operation.        
+        */        
+        IMPORT_C TInt Set( TInt aParamID, TInt aValue ); 
+        
+        /**
+        * Remove the identified parameter from the storage.
+        * @param aParamID The ID of the parameter to remove.         
+        * @return The status, see below
+        * <BR><B>Name of return value:</B> Operation status
+        * <BR><B>Type of return value:</B> TInt
+        * <BR><B>Range of return value:</B> A system wide error code
+        * <BR><B>Contents of return value:</B> The status code of the operation.
+        */        
+        IMPORT_C TInt Unset( TInt aParamID );         
+        
+        /**
+        * Reset the object and remove all parameters.
+        * @return The status, see below
+        * <BR><B>Name of return value:</B> Operation status
+        * <BR><B>Type of return value:</B> TInt
+        * <BR><B>Range of return value:</B> A system wide error code
+        * <BR><B>Contents of return value:</B> The status code of the operation.
+        */        
+        IMPORT_C TInt Reset();                 
+        
+        /**
+        * Parse the given buffer, and add its contents to the object.
+        * @param aBuffer The buffer that will be parsed.
+        * @return The status, see below
+        * <BR><B>Name of return value:</B> Operation status
+        * <BR><B>Type of return value:</B> TInt
+        * <BR><B>Range of return value:</B> A system wide error code
+        * <BR><B>Contents of return value:</B> The status code of the operation.        
+        */        
+        IMPORT_C TInt Parse( TDes8& aBuffer ); 
+        
+        /**
+        * Pack the stored parameters into a buffer.        
+        * @param aValue Will contain a pointer to the packed buffer after
+        * a successful call. The client owns the pointer after the call.
+        * @return The status, see below
+        * <BR><B>Name of return value:</B> Operation status
+        * <BR><B>Type of return value:</B> TInt
+        * <BR><B>Range of return value:</B> A system wide error code
+        * <BR><B>Contents of return value:</B> The status code of the operation.        
+        */        
+        IMPORT_C TInt GetBuffer( HBufC8*& aBuffer ); 
+        
+        /**
+        * Write the content to disk in the format returned by GetBuffer.
+        * Leaves with a generic status code on error.
+        * @param aFilename The name of the file to be written. An existing file will
+        * be overwritten, or a new file will be created.
+        * @param aRfs An optional pointer to a connected file server session. If this
+        * pointer is not supplied a new RFs will be connected.
+        */        
+        IMPORT_C void WriteToFileL( TDesC& aFilename, RFs* aRfs = NULL ); 
+        
+        /**
+        * Reset the content of this object and load new content from a file. 
+        * Leaves with a generic status code on error.       
+        * @param aFilename The file name to read the content from. This filename must
+        * contain a buffer returned by GetBuffer.
+        * @param aRfs An optional pointer to a connected file server session. If this
+        * pointer is not supplied a new RFs will be connected.
+        */        
+        IMPORT_C void ReadFromFileL( TDesC& aFilename, RFs* aRfs = NULL );                 
+               
+                
+    protected:  // Methods
+                        
+        // Methods from base classes       
+                
+        
+    private: //Methods 
+        
+        // New Methods   
+                           
+        /**
+        * C++ default constructor.
+        */        
+        CSCPParamObject();
+        
+        /**
+        * Symbian second-phase constructor
+        */
+        void ConstructL();                                     
+        
+        
+    private:   // Data 
+        /** An array containing the IDs for the stored parameters */
+        RArray<TInt> iParamIDs;
+        /** An array containing the pointers to the parameter values */
+        RPointerArray<HBufC> iParamValues;
+    };
+
+#endif      // SCPPARAMOBJECT_H   
+            
+// End of File