Example Program IDoc Client 
The following programming example shows the use of the IDoc class library for IDoc communication using SAP JCo 3.0 from the client side.
Syntax
IDoc Client
package com.sap.conn.idoc.examples;
import com.sap.conn.jco.*;
import com.sap.conn.idoc.jco.*;
import com.sap.conn.idoc.*;
import java.io.*;
public class IDocClientExample { public static void main(String[] args) {try
{String iDocXML = null;
FileReader fileReader;
try
{ fileReader = new FileReader("MyIDocDocumentAsXML.xml");BufferedReader br = new BufferedReader(fileReader);
StringBuffer sb = new StringBuffer();
String line;
while ((line = br.readLine()) != null)
{sb.append(line);
}
iDocXML = sb.toString();
br.close();
fileReader.close();
}
catch(Exception ex)
{ex.printStackTrace();
}
// see configuration file BCE.jcoDestination provided in the installation directory.
JCoDestination destination=JCoDestinationManager.getDestination("BCE"); IDocRepository iDocRepository = JCoIDoc.getIDocRepository(destination);
String tid = destination.createTID();
IDocFactory iDocFactory = JCoIDoc.getIDocFactory();
// a) create new idoc
IDocDocument doc = iDocFactory.createIDocDocument(iDocRepository, "MATMAS02");
IDocSegment segment = doc.getRootSegment();
segment = segment.addChild("E1MARAM");// and so on. See IDoc Specification .....
JCoIDoc.send(doc, IDocFactory.IDOC_VERSION_DEFAULT, destination, tid);
// b) use existent xml file
IDocXMLProcessor processor=iDocFactory.getIDocXMLProcessor();
IDocDocumentList iDocList=processor.parse(iDocRepository, iDocXML);
JCoIDoc.send(iDocList, IDocFactory.IDOC_VERSION_DEFAULT, destination, tid);
destination.confirmTID(tid);
}
catch(Exception e)
{e.printStackTrace();
}
System.out.print("program end");}
}