diff -r f5050f1da672 -r 04becd199f91 javacommons/utils/src/javajniutils.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javacommons/utils/src/javajniutils.cpp	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,75 @@
+/*
+* 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:
+*
+*/
+
+
+#include "logger.h"
+#include "javacommonutils.h"
+#include "javajniutils.h"
+
+using namespace java::util;
+
+
+OS_EXPORT
+std::wstring JniUtils::jstringToWstring(JNIEnv* env, const jstring& jStr)
+{
+    jboolean iscopy;
+#ifdef __SYMBIAN32__
+    // In Symbian the size of jchar == the size of wchar_t
+    const jchar* jChr = env->GetStringChars(jStr, &iscopy);
+    std::wstring wStr((wchar_t *)jChr, env->GetStringLength(jStr));
+    env->ReleaseStringChars(jStr, jChr);
+#else
+    // The size of jchar != the size of wchar_t
+    const char* utf8(env->GetStringUTFChars(jStr, &iscopy));
+    std::wstring wStr = JavaCommonUtils::utf8ToWstring(utf8);
+    env->ReleaseStringUTFChars(jStr, utf8);
+#endif
+
+    return wStr;
+}
+
+OS_EXPORT
+jstring JniUtils::wstringToJstring(JNIEnv* env, const std::wstring& wStr)
+{
+#ifdef __SYMBIAN32__
+    // In Symbian the size of jchar == the size of wchar_t
+    jstring jStr = env->NewString(
+                       reinterpret_cast<const jchar*>(wStr.c_str()), wStr.length());
+#else
+    // The size of jchar != the size of wchar_t
+    const char* utf8 = JavaCommonUtils::wstringToUtf8(wStr);
+    jstring jStr = env->NewStringUTF(utf8);
+    delete[] utf8;
+#endif
+
+    return jStr;
+}
+
+OS_EXPORT
+void JniUtils::throwNewException(JNIEnv* aEnv,const std::string& aClassNameOfException,
+                                 const std::string& aExceptionText)
+{
+    jclass cls = aEnv->FindClass(aClassNameOfException.c_str());
+    // if cls is NULL, an exception has already been thrown
+    if (cls != 0)
+    {
+        aEnv->ThrowNew(cls, aExceptionText.c_str());
+    }
+    // free the local ref
+    aEnv->DeleteLocalRef(cls);
+}
+