--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javaextensions/satsa/crypto/src/ststransformation.cpp	Mon May 03 12:27:20 2010 +0300
@@ -0,0 +1,170 @@
+/*
+* Copyright (c) 2008 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:  Implementation of STSTransformation
+ *
+*/
+
+
+#include "ststransformation.h"
+#include "javajniutils.h"
+#include "stsconstants.h"
+#include "logger.h"
+
+namespace java
+{
+namespace satsa
+{
+
+//Static function used to create the transformation object
+STSTransformation* STSTransformation::Create(JNIEnv* aJni,
+        jstring aTransformation, int* errCode)
+{
+
+    // Create the object
+    STSTransformation* self = new STSTransformation();
+
+    if (self != NULL)
+    {
+        // to parse and decode the transformation string
+        *errCode = self->Construct(aJni, aTransformation);
+        if (*errCode != 0)
+        {
+            ELOG(ESATSA, "STSTransformation::Create:construct failed");
+            // An Error occured in parsing the transformation string
+            return NULL;
+        }
+        else
+        {
+            // there was no error in parsing the transformation string
+            return self;
+        }
+    }
+    else
+    {
+        ELOG(ESATSA, "STSTransformation::Create:object creation failed");
+        *errCode = KSTSErrNoMemory;
+        return NULL;
+    }
+}
+
+STSTransformation::STSTransformation()
+{
+
+}
+
+STSTransformation::~STSTransformation()
+{
+
+}
+
+int STSTransformation::Construct(JNIEnv* aJni, jstring aTransformation)
+{
+    LOG(ESATSA, EInfo, "STSTransformation::Construct+");
+    std::wstring algorithm;
+    std::wstring mode;
+    std::wstring padding;
+
+    //convert the jstring to native string
+    std::wstring transformation;
+    try
+    {
+        transformation = java::util::JniUtils::jstringToWstring(aJni,
+                         aTransformation);
+    }
+    catch (...)
+    {
+        ELOG(ESATSA, "caught exception. Return error code");
+        return (KSTSErrNoSuchAlgorithm);
+    }
+
+    int index = transformation.find(STSTransformationDelim);
+    if (index != wstring::npos)
+    {
+        // Must be in a form of algorithm/mode/padding
+        // algorithm
+        algorithm.assign(transformation, 0, index);
+        // mode/padding
+        std::wstring modeAndPadding(transformation, index + 1, wstring::npos);
+
+        index = modeAndPadding.find(STSTransformationDelim);
+        if (index == wstring::npos)
+        {
+            ELOG(ESATSA, "mode or padding is missing");
+            // There isn't delimeter, mode or padding is missing
+            return (KSTSErrNoSuchAlgorithm);
+        }
+
+        // mode
+        mode.assign(modeAndPadding, 0, index);
+        if (mode.length() < 1)
+        {
+            ELOG(ESATSA, "mode was not found");
+            // Mode wasn't found
+            return (KSTSErrNoSuchAlgorithm);
+        }
+
+        // padding
+        padding.assign(modeAndPadding, index + 1, wstring::npos);
+        if (padding.length() < 1)
+        {
+            ELOG(ESATSA, "padding was not found");
+            // Padding wasn't found
+            return (KSTSErrNoSuchPadding);
+        }
+
+    }
+    else
+    {
+        // If there is no delimeter in the string it
+        // must contain only algorithm.
+        algorithm.assign(transformation);
+
+        // Mode and padding aren't defined
+        // Use default ones
+        mode.assign(STSModeECB);
+        padding.assign(STSPaddingPKCS5);
+
+    }
+
+    // parsing over, assign the parsed tokens
+    mAlgorithm = algorithm;
+    mMode = mode;
+    mPadding = padding;
+
+    return 0;
+}
+
+const std::wstring STSTransformation::Algorithm()
+{
+    LOG(ESATSA, EInfo, "STSTransformation::Algorithm+");
+    // Construction is failed if mAlgorithm is not valid
+    return mAlgorithm;
+}
+
+const std::wstring STSTransformation::Mode()
+{
+    LOG(ESATSA, EInfo, "STSTransformation::Mode+");
+    // Construction is failed if mMode is not valid
+    return mMode;
+}
+
+const std::wstring STSTransformation::Padding()
+{
+    LOG(ESATSA, EInfo, "STSTransformation::Padding+");
+    // Construction is failed if mPadding is not valid
+    return mPadding;
+}
+} // namespace satsa
+} // namespace java
+