package ca.uhn.hl7v2.examples.hoh;
   
   import java.io.IOException;
   
   import ca.uhn.hl7v2.DefaultHapiContext;
   import ca.uhn.hl7v2.HL7Exception;
   import ca.uhn.hl7v2.app.Connection;
   import ca.uhn.hl7v2.app.DefaultApplication;
   import ca.uhn.hl7v2.app.SimpleServer;
  import ca.uhn.hl7v2.hoh.llp.Hl7OverHttpLowerLayerProtocol;
  import ca.uhn.hl7v2.hoh.util.ServerRoleEnum;
  import ca.uhn.hl7v2.llp.LLPException;
  import ca.uhn.hl7v2.llp.LowerLayerProtocol;
  import ca.uhn.hl7v2.model.Message;
  import ca.uhn.hl7v2.model.v25.message.ADT_A01;
  import ca.uhn.hl7v2.parser.PipeParser;
  
  public class HohLlpExample {
  
  	public void receiveMessage() {
  		
  // START SNIPPET: server 
  /*
   * Sending a message with HAPI and HL7 over HTTP. First
   * an LLP instance is created. Note that you must tell
   * the LLP class whether it will be used in a client
   * or a server.
   */
  LowerLayerProtocol llp;
  llp = new Hl7OverHttpLowerLayerProtocol(ServerRoleEnum.SERVER);
  
  /* 
   * Create the server, and pass in the HoH LLP instance
   * 
   * Note that the HoH LLP implementation will not
   * work in two-socket servers
   */
  PipeParser parser = PipeParser.getInstanceWithNoValidation();
  int port = 8080;
  SimpleServertml#SimpleServer">SimpleServer server = new SimpleServer(port, llp, parser);
  
  // Register an application to the server, and start it
  // You are now ready to receive HL7 messages!
  server.registerApplication("*", "*", new DefaultApplication());
  server.start();
  // END SNIPPET: server 
  
  		
  	}
  	
  	@SuppressWarnings("unused")
     public void sendMessage() throws HL7Exception, IOException, LLPException {
  		
  // START SNIPPET: client 
  /*
   * Sending a message with HAPI and HL7 over HTTP. First
   * an LLP instance is created. Note that you must tell
   * the LLP class whether it will be used in a client
   * or a server.
   */
  DefaultHapiContextml#DefaultHapiContext">DefaultHapiContext ctx = new DefaultHapiContext();
  
  // Create an HoH LLP for the context
  LowerLayerProtocol llp = new Hl7OverHttpLowerLayerProtocol(ServerRoleEnum.CLIENT);
  ctx.setLowerLayerProtocol(llp);
  
  // Use the LLP in a HapiContext to get a client connection
  String host = "localhost";
  int port = 8080;
  boolean tls = false;
  Connection connection = ctx.newClient(host, port, tls);
  
  // Create a message to send
  ADT_A01age/ADT_A01.html#ADT_A01">ADT_A01 message = new ADT_A01();
  message.initQuickstart("ADT", "A01", "P");
  // ... populate message ...
  
  // Send the message
  Message response = connection.getInitiator().sendAndReceive(message);
  // END SNIPPET: client 
  	
  	}
  	
  }