1 /*

     2 * Copyright (c) 2008 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:  JNI utils

    15 *

    16 */

    17 

    18 

    19 #ifndef SENSORJNIUTILS_H

    20 #define SENSORJNIUTILS_H

    21 #include <jni.h>

    22 #include "sensornativeconstants.h"

    23 

    24 /**

    25  * Handles JNI exception which may have occured during the previous JNI

    26  * invocation or Java function call.

    27  *

    28  * Prints the pending exception and a backtrace of the stack to the

    29  * system error-reporting channel System.out.err.This function has the

    30  * side effect of clearing the pending exception.

    31  *

    32  * @param aJniEnv Reference to valid JNI environment

    33  * @return KErrNone if no exceptions are pending. Other system-wide error

    34  *         code in exception situations

    35  */

    36 inline int HandleException(JNIEnv& aJniEnv)

    37 {

    38     int err = ERROR_NONE;

    39     if (aJniEnv.ExceptionCheck())

    40     {

    41         // Previous JNI operation caused an exception. Print the stack

    42         // trace and clear any pending exceptions from the Java VM

    43         aJniEnv.ExceptionDescribe();

    44         aJniEnv.ExceptionClear();

    45         err = ERROR_GENERAL;

    46     }

    47     return err;

    48 }

    49 

    50 #endif // SENSORJNIUTILS_H

    51