1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 #include <jdebug.h>

    18 #include <JniEnvWrapper.h>

    19 

    20 #include "com_nokia_microedition_media_protocol_EMCSourceInfo.h"

    21 #include "cmmamanager.h"

    22 

    23 LOCAL_C void SetHeaderDataL(

    24     CMMAManager* aManager,

    25     const TUint8* aHeader,

    26     TInt aLength)

    27 {

    28     aManager->SetSourceInfoL(aHeader, aLength);

    29 }

    30 

    31 /*

    32  * Class:     com_nokia_microedition_media_protocol_http_EMCSourceInfo

    33  * Method:    _writeHeaderData

    34  * Signature: (II[B)V

    35  */

    36 JNIEXPORT jint JNICALL Java_com_nokia_microedition_media_protocol_EMCSourceInfo__1writeHeaderData

    37 (JNIEnv* aJni, jobject, jint aEventSourceHandle, jint aManagerHandle, jbyteArray aHeader)

    38 {

    39     // Development time check.

    40     __ASSERT_DEBUG((aEventSourceHandle > 0) && (aManagerHandle > 0), User::Invariant());

    41 

    42     CMMAEventSource* eventSource =

    43         JavaUnhand< CMMAEventSource >(aEventSourceHandle);

    44     CMMAManager* manager = JavaUnhand< CMMAManager >(aManagerHandle);

    45 

    46     if (aHeader)

    47     {

    48         // Get pointer to Java header data

    49         jbyte* data = aJni->GetByteArrayElements(aHeader, NULL);

    50 

    51         // if data is null Java data could not be obtained to native and

    52         // KErrNoMemory is returned to Java

    53         if (!data)

    54         {

    55             return KErrNoMemory;

    56         }

    57 

    58         TInt headerDataLength = aJni->GetArrayLength(aHeader);

    59 

    60         TInt err = eventSource->ExecuteTrap(&SetHeaderDataL,

    61                                             manager,

    62                                             (const TUint8*)data,

    63                                             headerDataLength);

    64 

    65         // release bytes got with GetByteArrayElements

    66         aJni->ReleaseByteArrayElements(aHeader,

    67                                        data,

    68                                        0);

    69 

    70         return err;

    71     }

    72     else

    73     {

    74         // if aHeader is NULL, this method should not have been called

    75         // from java

    76         return KErrBadHandle;

    77     }

    78 }