javaextensions/sensor/src/sensorjniutils.h
author Dario Sestito <darios@symbian.org>
Mon, 19 Jul 2010 17:58:36 +0100
branchRCL_3
changeset 54 5bec7efefe18
parent 19 04becd199f91
permissions -rw-r--r--
Fix for bug 3274 - Missing file
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/*
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  JNI utils
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*
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*/
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#ifndef SENSORJNIUTILS_H
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#define SENSORJNIUTILS_H
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#include <jni.h>
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#include "sensornativeconstants.h"
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/**
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 * Handles JNI exception which may have occured during the previous JNI
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 * invocation or Java function call.
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 *
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 * Prints the pending exception and a backtrace of the stack to the
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 * system error-reporting channel System.out.err.This function has the
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 * side effect of clearing the pending exception.
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 *
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 * @param aJniEnv Reference to valid JNI environment
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 * @return KErrNone if no exceptions are pending. Other system-wide error
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 *         code in exception situations
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 */
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inline int HandleException(JNIEnv& aJniEnv)
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{
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    int err = ERROR_NONE;
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    if (aJniEnv.ExceptionCheck())
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    {
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        // Previous JNI operation caused an exception. Print the stack
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        // trace and clear any pending exceptions from the Java VM
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        aJniEnv.ExceptionDescribe();
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        aJniEnv.ExceptionClear();
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        err = ERROR_GENERAL;
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    }
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    return err;
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}
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#endif // SENSORJNIUTILS_H
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