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:  MJvmNativePortLayer

    15 *

    16 */

    17 

    18 #ifndef MJVMNATIVEPORTLAYER_H

    19 #define MJVMNATIVEPORTLAYER_H

    20 

    21 

    22 namespace javaruntime

    23 {

    24 

    25 class MJavaFile;

    26 

    27 const TUint32 KDesLength = 40;

    28 

    29 class MJvmNativePortLayer

    30 {

    31 

    32 public:

    33 

    34     /** Destructor */

    35     virtual ~MJvmNativePortLayer() {}

    36 

    37     /**

    38      * Gets the object that implements MJavaFile interface. The object

    39      * allows the vm to make file operations.

    40      * @return  A pointer to an object that implements MJavaFile interface.

    41      *          It is responsibility of the vm to delete the object.

    42      */

    43     virtual MJavaFile* GetJavaFileL() = 0;

    44 

    45     /**

    46      * Output the supplied data to the output stream.

    47      * @param   aData

    48      *          Descriptor reference containing the data.

    49      */

    50     virtual void WriteToStdoutL(const TDesC8& aData) = 0;

    51 

    52     /**

    53      * Output the supplied data to the output stream.

    54      * @param   aData

    55      *          Descriptor reference containing the data.

    56      */

    57     virtual void WriteToStderrL(const TDesC8& aData) = 0;

    58 

    59 };

    60 

    61 /**

    62  * Gets the object that implements MJvmNativePortLayer interface.

    63  * @return  A pointer to an object that implements MJvmNativePortLayer

    64  *          interface. It is responsibility of the vm to delete the object.

    65  */

    66 IMPORT_C MJvmNativePortLayer* GetPortLayerL();

    67 /**

    68  * Gets the object that implements MJvmNativePortLayer interface.

    69  * @return  A pointer to an object that implements MJvmNativePortLayer

    70  *          interface. It is responsibility of the vm to delete the object.

    71  */

    72 

    73 /**

    74  * Return the native thread priority corresponding with the Java priority.

    75  *

    76  * @param aJavaPriority Java priority. Priority should be

    77  *          from 0 to 11. If not then the method adjusts it

    78  *          either to 0 (if <0 ) or to 11 (if > 11).

    79  * @return  TThreadPriority value

    80  */

    81 IMPORT_C TThreadPriority GetSingleThreadPriority(const TInt& aJavaPriority);

    82 } // end of namespace javaruntime

    83 

    84 #endif // MJVMNATIVEPORTLAYER_H