// remote interface -
//   extends java.rmi.Remote
//   each method throws java.rmi.RemoteException
// distributed server -
//   extends java.rmi.server.UnicastRemoteObject
//   implements remote interface
//   constructor throws java.rmi.RemoteException
//   use rebind() to register a physical instance under a logical name
// distributed client -
//   use lookup() with a logical name to retrieve a physical proxy


interface RIUpper extends java.rmi.Remote {
  String toUpper( String in ) throws java.rmi.RemoteException;
}

public class UpperServer extends    java.rmi.server.UnicastRemoteObject
                         implements RIUpper {
  private int count = 0;

  public UpperServer() throws java.rmi.RemoteException { super(); }

  public String toUpper( String in ) {
    System.out.println( "request " + ++count + " - " + in );
    return in.toUpperCase();
  }

  public static void main( String[] args ) {
    try {
      java.rmi.Naming.rebind( "UpperServerName", new UpperServer() );
    } catch (java.net.MalformedURLException ex) { ex.printStackTrace();
    } catch (java.rmi.RemoteException       ex) { ex.printStackTrace(); }
    System.out.println( "UpperServer bound in rmiregistry" );
} }



public class UpperClient {
  public static void main( String[] args ) {
    try {
      RIUpper converter =
        (RIUpper) java.rmi.Naming.lookup( "UpperServerName" );
      java.io.BufferedReader rdr = new java.io.BufferedReader(
                  new java.io.InputStreamReader( System.in ));
      String str;
      while (true) {
        System.out.print( "Input text ---- " );
        str = rdr.readLine();
        if (str.equals("quit")) break;
        System.out.println( "   Response --- " + converter.toUpper( str ) );
      }
    } catch (java.rmi.NotBoundException ex) { ex.printStackTrace();
    } catch (java.rmi.RemoteException ex)   { ex.printStackTrace();
    } catch (java.io.IOException ex)        { ex.printStackTrace();
} } }



// D:\j2ee> javac UpperServer.java
// D:\j2ee> rmic -v1.2 UpperServer
// D:\j2ee> start rmiregistry
// D:\j2ee> java UpperServer
// UpperServer bound in rmiregistry
// request 1 - The quick, brown, fox - jumped ...
// request 2 - Over the _lazy_ dog.
// request 3 - Now, is - the time ...
// request 4 - For *all* good men.

// D:\j2ee> javac UpperClient.java
// D:\j2ee> java UpperClient
// Input text ---- The quick, brown, fox - jumped ...
//    Response --- THE QUICK, BROWN, FOX - JUMPED ...
// Input text ---- Over the _lazy_ dog.
//    Response --- OVER THE _LAZY_ DOG.
// Input text ---- quit
// D:\j2ee> java UpperClient
// Input text ---- Now, is - the time ...
//    Response --- NOW, IS - THE TIME ...
// Input text ---- For *all* good men.
//    Response --- FOR *ALL* GOOD MEN.
// Input text ---- quit