How to declare initialization code for existing API in c block...i use concept JNI...

This is a discussion on How to declare initialization code for existing API in c block...i use concept JNI... within the C Programming forums, part of the General Programming Boards category; ok now, i already include the header file for existing API and it can call the function....hmm, if not burdern ...

  1. #1
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    Join Date
    Jul 2012
    Posts
    11

    How to declare initialization code for existing API in c block...i use concept JNI...

    ok now, i already include the header file for existing API and it can call the function....hmm, if not burdern you, can you guys give me a sample code for initialization code.....below is my fragment of c code....my boss want me call initialise function in existing API with not occur callback process - its called blocking mode

    Code:
    #include <jni.h>
    #include <stdio.h>
    #include "TestMMMReaderHighLevelAPI3.h"
    #include "MMMReaderHighLevelAPI.h"
    
    JNIEXPORT jlong JNICALL
    Java_TestMMMReaderHighLevelAPI3_MMMReader_1Initialise_1L3(JNIEnv * env,
                                                              jobject obj)
    {
      {
        MMMReaderHighLevelAPI scanner = new MMMReaderHighLevelAPI();
        try {
          scanner.MMMReader_Initialise(null, null, null, null, false, false,
                                       false);
    
    //INESERT TEST CODE
          printf("success");
          scanner.Close();
        }
        catch(Exception e) {
    //put code here to catch any test code errors
          printf("try again");
        }
      }
      catch(Exception e) {
    //Put code here to catch errors instantiating a Scanner driver
      }
    
    };

    and argument for method MMMReader_Initialise is like below:

    Code:
    MMM_READER_HIGH_LEVEL_API MMMReaderErrorCode
    MMMReader_Initialise(MMMReaderHLDataCallback aDataCallback,
                         MMMReaderEventCallback aEventCallback,
                         MMMReaderErrorCallback aErrorCallback,
                         MMMReaderCertificateCallback aCertCallback,
                         bool aProcessMessages, bool aProcessInputMessages,
                         void *aParam);


    can u guys help me to build a initialize code for me...bcoz it is my first time involve in integration environment...i hope u guys can help me...
    Last edited by Salem; 07-16-2012 at 11:46 PM. Reason: demungled crappy formatting - use [code][/code] tags!

  2. #2
    Registered User
    Join Date
    Mar 2011
    Posts
    546
    can you be a little more specific? do you mean you want to write the code for MMMReader_Initialize so it doesn't invoke the callbacks? or do you mean MMMReader_Initialize is an API you cannot change and you want to call it without callbacks? or something else?

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