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Thread: Http Connection

  1. #1
    Registered User
    Join Date
    Oct 2005

    Http Connection

    Hi! Currently I'm developing an application which will deal with the http connection. For the http connection, I will send out my request to download an image. The problem I'm facing right now is when there's no response back for my request, my whole application is hang. I totally unable to exit the application and need to reset the device all the time. Here, I would like to ask whether is there anyone can help me to handle the no response back for the http connection. I'm using the below method for my http connection.

    HttpConnection connection = null;
    connection = (HttpConnection)Connector.open(url,Connector.READ_WRITE);
    DataInputStream iStrm = connection.openDataInputStream();
    ByteArrayOutputStream mSrm = null;
    int length = (int) connection.getLength();
    mData = new byte[length]; mSrm.readFully(mData);

    After opening the connector, I need to close the connector when receiving the response back from my request. If there's no response back, my connector is always open and this cause my application hang.

    Is there way to close the connector if there's no response back from the request made to http connection?

    Please help....


  2. #2
    Super Contributor
    Join Date
    Mar 2006

    Re: Http Connection


    have a look at this link.


    // ContentConnection includes a length method
    byte imageData[];
    int length = (int) connection.getLength();
    if (length != -1)
    imageData = new byte[length];

    // Read the png into an array
    else // Length not available...
    ByteArrayOutputStream bStrm = new ByteArrayOutputStream();

    int ch;
    while ((ch = iStrm.read()) != -1)

    imageData = bStrm.toByteArray();

    // Create the image from the byte array
    im = Image.createImage(imageData, 0, imageData.length);

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