1 /*

     2 * Copyright (c) 2005 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 

    18 package com.nokia.microedition.m2g.connection.file;

    19 

    20 import javax.microedition.io.file.FileConnection;

    21 import javax.microedition.io.Connector;

    22 import java.io.IOException;

    23 import com.nokia.microedition.m2g.connection.*;

    24 import com.nokia.mj.impl.utils.Logger;

    25 

    26 /**

    27  * File connection proxy class

    28  */

    29 public class M2GConnectionProxyImpl extends M2GConnectionProxy

    30 {

    31 

    32     //--------------------------------------------------

    33     // STATIC CONSTANTS

    34     //--------------------------------------------------

    35     public static final String READ_PERMISSION =

    36         "javax.microedition.io.Connector.file.read";

    37 

    38     //--------------------------------------------------

    39     // METHODS

    40     //--------------------------------------------------

    41     /**

    42      * Ctor.

    43      */

    44     public M2GConnectionProxyImpl()

    45     {

    46         super();

    47     }

    48 

    49     /**

    50      * Open a connection.

    51      * @see connection.common.M2GConnectionProxy#open()

    52      */

    53     public void open(M2GUrlTokenizer aTokenizer) throws IOException

    54     {

    55         boolean openingStream = false;

    56         FileConnection connection = null;

    57         try

    58         {

    59             iBaseUrl = aTokenizer.getBaseUrl();

    60 

    61             // extract the suffix url from the initial url used to open the

    62             // file, and not the constructed (altered in default mode) url by

    63             // M2GConnectionPolicyImpl.

    64             // This suffix is passed to the external resource handler later

    65             iSuffixUrl = aTokenizer.getParameters();

    66             if (iSuffixUrl != null)

    67             {

    68                 iSuffixUrl = M2GUrlTokenizer.PARAMETER_SEPARATOR + iSuffixUrl;

    69             }

    70 

    71             Logger.LOG(

    72                 Logger.EJavaUI,

    73                 Logger.EInfo,

    74                 "file open(), suffix URI: "

    75                 + (iSuffixUrl != null ? iSuffixUrl.toString() : "null")

    76                 + ", create file connection - 0");

    77 

    78             M2GConnectionPolicyImpl connectionPolicy =

    79                 new M2GConnectionPolicyImpl(aTokenizer);

    80 

    81             String uri = aTokenizer.getUrl();

    82 

    83             Logger.LOG(

    84                 Logger.EJavaUI,

    85                 Logger.EInfo,

    86                 "file open(), URI: " + uri

    87                 + ", create file connection - 2");

    88 

    89             connection = (FileConnection) Connector.open(uri,

    90                          Connector.READ);

    91             openingStream = true;

    92             iInputStream = connection.openInputStream();

    93             openingStream = false;

    94             iConnection = connection;

    95             iConnectionPolicy = connectionPolicy;

    96         }

    97         finally

    98         {

    99             if ((true == openingStream) && (null != connection))

   100             {

   101                 connection.close();

   102             }

   103         }

   104     }

   105 }