mud.java

Java实现简易Mud

package mud;

import java.rmi.*;
import java.util.Vector;
import java.io.IOException;
public class Mud {
  public interface RemoteMudServer extends Remote{
    public String getMudName() throws RemoteException;
    public RemoteMudPlace getEntrance() throws RemoteException;
    public RemoteMudPlace getNamedPlace(String name)
        throws RemoteException,NoSuchPlace;
    public void dump(String password,String filename)
        throws RemoteException,BadPassword,IOException;
  }

  public interface RemoteMudPerson extends Remote{
    public String getDescription() throws RemoteException;
    public void tell(String message) throws RemoteException;
  }

  public interface RemoteMudPlace extends Remote{
    public String getPlaceName() throws RemoteException;
    public String getDescription() throws RemoteException ;
    public Vector getNames() throws RemoteException;
    public Vector getThings() throws RemoteException;
    public Vector getExits() throws RemoteException;

    public RemoteMudPerson getPerson(String name) throws RemoteException,NoSuchPerson;
    public String examineThing(String name)throws RemoteException,NoSuchThing;
    public RemoteMudPlace go(RemoteMudPerson who,String direction)
        throws RemoteException,NotThere,AlreadyThere,NoSuchExit,LinkFailed;
    public void speak(RemoteMudPerson speaker,String msg) throws RemoteException,NotThere;
    public void act(RemoteMudPerson speaker,String msg) throws RemoteException,NotThere;
    public void createThing(RemoteMudPerson who,String name,String description)
        throws RemoteException,NotThere,AlreadyThere;
    public void destoryThing(RemoteMudPerson who,String thing)
        throws RemoteException,NotThere,NoSuchThing;
    public void createPlace(RemoteMudPerson creator,String exit,String entrance,String name,String description)
        throws RemoteException,NotThere,ExitAlreadyExists,PlaceAlreadyExists;
    public void linkTo(RemoteMudPerson who,String exit,String hostname,String mudname,
                       String placename)
        throws RemoteException,NotThere,ExitAlreadyExists,NoSuchPlace;
    public void close(RemoteMudPerson who,String exit)
        throws RemoteException,NotThere,NoSuchExit;
    public void exit(RemoteMudPerson who,String message)
        throws RemoteException,NotThere;
    public void enter(RemoteMudPerson who,String name,String message)
        throws RemoteException,AlreadyThere;
    public RemoteMudServer getServer() throws RemoteException;
  }

  public static class MudException extends Exception{};

  public static class NotThere extends MudException{};
  public static class AlreadyThere extends MudException{};
  public static class NoSuchThing extends MudException{};
  public static class NoSuchPerson extends MudException{};
  public static class NoSuchExit extends MudException{};
  public static class NoSuchPlace extends MudException{};
  public static class ExitAlreadyExists extends MudException{};
  public static class PlaceAlreadyExists extends MudException{};
  public static class LinkFailed extends MudException{};
  public static class BadPassword extends MudException{};

  static final String mudPrefix="mud.";

}