diff -r f9bb0fca356a -r 0fd27995241b javauis/mmapi_qt/utils/src/mmapiutils.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_qt/utils/src/mmapiutils.cpp	Tue May 11 16:07:20 2010 +0300
@@ -0,0 +1,59 @@
+#include "mmapiutils.h"
+#include "s60commonutils.h"
+using namespace java::util;
+    
+enum TJavaArrayPanic
+{
+    EBadOffsetIntoJavaArray,
+    EWritingOverEndOfJavaArray,
+    EBadOffsetIntoJavaArrayForRead,
+    EReadingOverEndOfJavaArray,
+};
+
+
+/**
+ * Copies data from the native to the Java array.
+ * @return The number of bytes copied.
+ */
+TInt MMAPIUtils::CopyToJava(JNIEnv& aJni, const TDesC8& aNativeBuffer,
+                                     jbyteArray aJavaBuffer, TInt aOffset, TInt aLength)
+{
+    __ASSERT_DEBUG(aOffset <= aJni.GetArrayLength(aJavaBuffer),
+                   User::Panic(_L("ArrayUtils"), EBadOffsetIntoJavaArray));
+    __ASSERT_DEBUG(aLength <= aJni.GetArrayLength(aJavaBuffer) - aOffset,
+                   User::Panic(_L("ArrayUtils"), EWritingOverEndOfJavaArray));
+
+    TInt nativeBufferLength = aNativeBuffer.Length();
+    TInt length = (nativeBufferLength < aLength) ? nativeBufferLength : aLength;
+    TUint8* nativeBufferPtr = const_cast<TUint8*>(aNativeBuffer.Ptr());
+    jbyte* jNativeBufferPtr = reinterpret_cast<jbyte*>(nativeBufferPtr);
+    aJni.SetByteArrayRegion(aJavaBuffer, aOffset, length, jNativeBufferPtr);
+    return length;
+}
+
+jobjectArray MMAPIUtils::CopyToNewJavaStringArrayL(JNIEnv& aJni, const CDesCArray& aNativeArray)
+{
+    jclass stringClass = aJni.FindClass("java/lang/String");
+    User::LeaveIfNull(stringClass);
+    //
+    jobjectArray result = aJni.NewObjectArray(aNativeArray.Count(), stringClass, NULL);
+    if (result != NULL)
+    {
+        TPtrC item;
+        for (int i=0; i<aNativeArray.Count(); ++i)
+        {
+            item.Set(aNativeArray[i]);
+            AddToJavaStringArrayL(aJni, result, i, item);
+        }
+    }
+    return result;
+}
+
+void MMAPIUtils::AddToJavaStringArrayL(JNIEnv& aJni, jobjectArray& aContainer, TInt aPosition, const TDesC& aString)
+{
+    jstring javaString = S60CommonUtils::NativeToJavaString(aJni, aString);
+    User::LeaveIfNull(javaString);
+    //
+    aJni.SetObjectArrayElement(aContainer, aPosition, javaString);
+    aJni.DeleteLocalRef(javaString);
+}