SAP 연동 Sample Source(.java)

// 출저 : http://blog.naver.com/flyingpig02/70001644566 
/**
 * Example2.java
 * Property of SAP AG, Walldorf
 * (c) Copyright SAP AG, Walldorf, 2000.
 * All rights reserved.
 */
import com.sap.mw.jco.*;
/**
 * @version 1.0
 * @author  SAP AG, Walldorf
 */
public class Example2 {
 // The MySAP.com system we gonna be using
 static final String SID = "R3";
 // The repository we will be using
 IRepository repository;
 public Example2()
 {
  try {
   // Add a connection pool to the specified system
   JCO.addClientPool(SID,    // Alias for this pool
        10,    // Max. number of connections
        "100",   // SAP client 
        "USER_ID",  // userid 
        "PASSWORD",  // password 
        "KO",     // language
        "x.x.x.x",// host name or ip
        "00");
   // Create a new repository
   repository = JCO.createRepository("MYRepository", SID);
  }
  catch (JCO.Exception ex) {
   System.out.println("Caught an exception: \n" + ex);
  }
 }
 // Retrieves and prints information about remote system
 public void systemInfo()
 {
  try {
   // Get a function template from the repository
   IFunctionTemplate ftemplate = repository.getFunctionTemplate("RFC_SYSTEM_INFO");
   // Create a function from the template
   JCO.Function function = new JCO.Function(ftemplate);
   // Get a client from the pool
   JCO.Client client = JCO.getClient(SID);
   // We can call 'RFC_SYSTEM_INFO' directly since it does not need any input parameters
   client.execute(function);
   // The export parameter 'RFCSI_EXPORT' contains a structure of type 'RFCSI'
   JCO.Structure s = function.getExportParameterList().getStructure("RFCSI_EXPORT");
   // Use enumeration to loop over all fields of the structure
   System.out.println("System info for " + SID + ":\n" +
          "--------------------");
   for (JCO.FieldIterator e = s.fields(); e.hasMoreElements(); ) {
    JCO.Field field = e.nextField();
    System.out.println(field.getName() + ":\t" + field.getString());
   }//for
   System.out.println("\n\n");
   // Release the client into the pool
   JCO.releaseClient(client);
  }
  catch (Exception ex) {
   System.out.println("Caught an exception: \n" + ex);
  }
 }
 // Retrieves and sales order list
 public void salesOrders()
 {
  try {
   // Get a function template from the repository
   IFunctionTemplate ftemplate = repository.getFunctionTemplate("BAPI_SALESORDER_GETLIST");
   // Create a function from the template
   JCO.Function function = new JCO.Function(ftemplate);
   // Get a client from the pool
   JCO.Client client = JCO.getClient(SID);
   // Fill in input parameters
   JCO.ParameterList input = function.getImportParameterList();
   input.setValue("0000001200", "CUSTOMER_NUMBER"   );
   input.setValue(      "1000", "SALES_ORGANIZATION");
   input.setValue(         "0", "TRANSACTION_GROUP" );
   // Call the remote system
   client.execute(function);
   // Print return message
   JCO.Structure ret = function.getExportParameterList().getStructure("RETURN");
   System.out.println("BAPI_SALES_ORDER_GETLIST RETURN: " + ret.getString("MESSAGE"));
   // Get table containing the orders
   JCO.Table sales_orders = function.getTableParameterList().getTable("SALES_ORDERS");
   // Print results
   if (sales_orders.getNumRows() > 0) {
    // Loop over all rows
    do {
     System.out.println("-----------------------------------------");
     // Loop over all columns in the current row
     for (JCO.FieldIterator e = sales_orders.fields(); e.hasMoreElements(); ) {
      JCO.Field field = e.nextField();
      System.out.println(field.getName() + ":\t" + field.getString());
     }//for
    } while(sales_orders.nextRow());
   }
   else {
    System.out.println("No results found");
   }//if
   // Release the client into the pool
   JCO.releaseClient(client);
  }
  catch (Exception ex) {
   System.out.println("Caught an exception: \n" + ex);
  }
 }
 public static void main(String[] argv)
 {
  Example2 e = new Example2();
  e.systemInfo();
  e.salesOrders();
 }
}