--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_akn/baseline/src/cmmaoutputstream.cpp	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,219 @@
+/*
+* Copyright (c) 2002-2007 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:  Class to handle OutputStream operations.
+*
+*/
+
+#include <jdebug.h>
+#include <JniEnvWrapper.h>
+#include "cmmaoutputstream.h"
+#include "mmmaeventposter.h"
+#include "cmmaoutputstreamevent.h"
+
+// CONSTANTS
+const TInt KMMACommit = -10000; // indicates native started commit
+
+CMMAOutputStream* CMMAOutputStream::NewL(JNIEnv* aJNIEnv,
+        MMMAEventPoster* aEventPoster,
+        jobject aJavaOutputStreamWriter
+                                        )
+{
+    CMMAOutputStream* self = CMMAOutputStream::NewLC(aJNIEnv,
+                             aEventPoster,
+                             aJavaOutputStreamWriter
+                                                    );
+    CleanupStack::Pop();
+    return self;
+}
+
+
+CMMAOutputStream* CMMAOutputStream::NewLC(JNIEnv* aJNIEnv,
+        MMMAEventPoster* aEventPoster,
+        jobject aJavaOutputStreamWriter
+                                         )
+{
+    CMMAOutputStream* self = new(ELeave) CMMAOutputStream(aEventPoster);
+    CleanupStack::PushL(self);
+    self->ConstructL(aJNIEnv, aJavaOutputStreamWriter);
+    return self;
+}
+
+
+void CMMAOutputStream::CreateL(CMMAOutputStream** aOutputStream,
+                               JNIEnv* aJniEnv,
+                               MMMAEventPoster* aEventPoster,
+                               jobject aJavaOutputStreamWriter)
+{
+
+    // JNI interface pointer can't be passed to different thread, so
+    // it is needed to get valid JNI interface pointer for Event Server thread
+    aJniEnv = JniEnvWrapper::GetValidJniRef();
+
+    *aOutputStream = NewL(aJniEnv, aEventPoster, aJavaOutputStreamWriter);
+}
+
+
+CMMAOutputStream::~CMMAOutputStream()
+{
+    DEBUG("MMA::CMMAOutputStream::~");
+
+    // If write event is in the event server, it cannot be deleted.
+    // Thus set the event to be deleted when event dispatch is called.
+    if (iWriteEvent &&
+            iWriteEvent->State() == CMMAOutputStreamEvent::EMMAEventActive)
+    {
+        iWriteEvent->SetState(CMMAOutputStreamEvent::EMMADeleteEvent);
+    }
+    else
+    {
+        delete iWriteEvent;
+    }
+
+    delete iData;
+    DEBUG("MMA::CMMAOutputStream::~ OK");
+}
+
+
+// Default constructor
+CMMAOutputStream::CMMAOutputStream(MMMAEventPoster* aEventPoster)
+        : iEventSource(aEventPoster),
+        iPtr(NULL, 0)
+{
+    DEBUG("MMA::CMMAOutputStream constructed");
+}
+
+
+void CMMAOutputStream::ConstructL(JNIEnv* aJNIEnv,
+                                  jobject aJavaOutputStreamWriter)
+{
+    DEBUG("CMMAOutputStream::ConstructL()");
+
+    // void write( int aLength, int aStatus ) method in OutputStreamWriter
+    jmethodID classMethodID =
+        aJNIEnv->GetMethodID(
+            aJNIEnv->GetObjectClass(aJavaOutputStreamWriter),
+            "write",
+            "(II)V");
+    if (!classMethodID)
+    {
+        DEBUG("CMMAOutputStream::ConstructL: Cannot find java method");
+        User::Panic(_L("Java method write(II)V not found"), KErrGeneral);
+    }
+
+    iWriteEvent = new(ELeave) CMMAOutputStreamEvent(classMethodID,
+            aJavaOutputStreamWriter);
+}
+
+void CMMAOutputStream::ReadDataL(TUint8* aOutputData,
+                                 TInt* aBufferSize,
+                                 TInt* aReadStatus)
+{
+    if (!iData)
+    {
+        User::Leave(KErrNotReady);
+    }
+
+    // Status code to be returned
+    TInt status = KErrNone;
+
+    TPtr8 buffer(aOutputData, *aBufferSize);
+    DEBUG_INT(" MMA::CMMAOutputStream::ReadDataL SIZE BEFORE READL %d", buffer.Length());
+    DEBUG_INT(" MMA::CMMAOutputStream::ReadDataL BYTES AVAILABLE %d", iPtr.Length());
+
+    // Bytes available in native buffer
+    TInt bytesAvailable = iPtr.Length();
+
+    // Maximum size that can be written to Java buffer
+    TInt outputMaxLength = buffer.MaxLength();
+
+    // Length that can be written
+    TInt writeLength = 0;
+
+    if (outputMaxLength < bytesAvailable)
+    {
+        // Not all bytes can be written Java buffer
+        writeLength = outputMaxLength;
+
+        // Java need to read more data
+        status = EMoreData;
+    }
+    else
+    {
+        // All bytes can be written to Java buffer
+        writeLength = bytesAvailable;
+
+        // All data is copied
+        status = ECompleted;
+    }
+
+    // Copy maximum number of bytes to Java buffer
+    buffer.Copy(iPtr.Left(writeLength));
+    *aBufferSize = buffer.Length();
+
+    // Move pointer to next read position.
+    iPtr = iPtr.Mid(writeLength);
+
+    DEBUG_INT(" MMA::CMMAOutputStream::ReadDataL SIZE AFTER READL %d", buffer.Length());
+    DEBUG_INT(" MMA::CMMAOutputStream::ReadDataL RETURN %d", status);
+    DEBUG_INT(" MMA::CMMAOutputStream::ReadDataL dataLeft %d", iPtr.Length());
+
+    if (iPtr.Length() == 0)
+    {
+        // All data is read and buffer is not needed anymore.
+        delete iData;
+        iData = NULL;
+    }
+    *aReadStatus = status;
+}
+
+void CMMAOutputStream::WriteL(const TDesC8& aData)
+{
+    DEBUG_INT("CMMAOutputStream::WriteL data size = %d", aData.Size());
+    if (iData)
+    {
+        // Previous data was not readed from the stream.
+        User::Leave(KErrNotReady);
+    }
+
+    if (aData.Length() > 0)
+    {
+        // Take a copy of new data.
+        HBufC8* data = aData.AllocL();
+        delete iData;
+        iData = data;
+        iPtr.Set(iData->Des());
+
+        // Set java event
+        DEBUG_INT("CMMAOutputStream::WriteL: available data: %d", iData->Length());
+        iWriteEvent->SetLength(iData->Length());
+        iWriteEvent->SetStatus(EMoreData);
+    }
+    else
+    {
+        DEBUG("CMMAOutputStream::WriteL Zero length data");
+        iWriteEvent->SetLength(0);
+        iWriteEvent->SetStatus(ECompleted);
+    }
+    iEventSource->PostEvent(iWriteEvent, CMMAEvent::ENotifyPriority);
+}
+
+void CMMAOutputStream::Commit()
+{
+    iWriteEvent->SetLength(0);
+    iWriteEvent->SetStatus(KMMACommit);
+    iEventSource->PostEvent(iWriteEvent, CMMAEvent::ENotifyPriority);
+}
+
+//  END OF FILE
+