예제 #1
1
  /**
   * ABAP APIs often uses complex parameters. This example demonstrates how to read the values from
   * a structure.
   *
   * @throws com.sap.conn.jco.JCoException
   */
  public static void step3WorkWithStructure() throws JCoException {
    JCoDestination destination = JCoDestinationManager.getDestination(ABAP_AS_POOLED);
    JCoFunction function = destination.getRepository().getFunction("RFC_SYSTEM_INFO");
    if (function == null) throw new RuntimeException("RFC_SYSTEM_INFO not found in SAP.");

    try {
      function.execute(destination);
    } catch (AbapException e) {
      System.out.println(e.toString());
      return;
    }

    JCoStructure exportStructure = function.getExportParameterList().getStructure("RFCSI_EXPORT");
    System.out.println("System info for " + destination.getAttributes().getSystemID() + ":\n");

    // The structure contains some fields. The loop just prints out each field with its name.
    for (int i = 0; i < exportStructure.getMetaData().getFieldCount(); i++) {
      System.out.println(
          exportStructure.getMetaData().getName(i) + ":\t" + exportStructure.getString(i));
    }
    System.out.println();

    // JCo still supports the JCoFields, but direct access via getXXX is more efficient as field
    // iterator
    System.out.println(
        "The same using field iterator: \nSystem info for "
            + destination.getAttributes().getSystemID()
            + ":\n");
    for (JCoField field : exportStructure) {
      System.out.println(field.getName() + ":\t" + field.getString());
    }
    System.out.println();
  }
예제 #2
0
  /**
   * This example demonstrates the destination concept introduced with JCO 3. The application does
   * not deal with single connections anymore. Instead it works with logical destinations like
   * ABAP_AS and ABAP_MS which separates the application logic from technical configuration.
   *
   * @throws com.sap.conn.jco.JCoException
   */
  public static void step1Connect() throws JCoException {
    JCoDestination destination = JCoDestinationManager.getDestination(ABAP_AS);
    System.out.println("Attributes:");
    System.out.println(destination.getAttributes());
    System.out.println();

    destination = JCoDestinationManager.getDestination(ABAP_MS);
    System.out.println("Attributes:");
    System.out.println(destination.getAttributes());
    System.out.println();
  }
예제 #3
0
 /**
  * This example uses a connection pool. However, the implementation of the application logic is
  * still the same. Creation of pools and pool management are handled by the JCo runtime.
  *
  * @throws com.sap.conn.jco.JCoException
  */
 public static void step2ConnectUsingPool() throws JCoException {
   JCoDestination destination = JCoDestinationManager.getDestination(ABAP_AS_POOLED);
   destination.ping();
   System.out.println("Attributes:");
   System.out.println(destination.getAttributes());
   System.out.println();
 }