25.2. Preparing your component

public interface MyService extends RemoteService { 
  public String askIt(String question);      
}

public interface MyService extends RemoteService { 
  public String askIt(String question);      
}

public interface MyServiceAsync extends RemoteService { 
  public void askIt(String question, AsyncCallback callback); 
}

public interface MyServiceAsync extends RemoteService { 
  public void askIt(String question, AsyncCallback callback); 
}

@Name("org.jboss.seam.example.remoting.gwt.client.MyService")
public class ServiceImpl implements MyService {

  @WebRemote
  public String askIt(String question) {
   
    if (!validate(question)) {
      throw new IllegalStateException("Hey, this shouldn't happen, " + 
                                      "I checked on the client, but " +
                                      "it's always good to double check.");
    }
    return "42. Its the real question that you seek now.";
  }
   
  public boolean validate(String q) {
    ValidationUtility util = new ValidationUtility();
    return util.isValid(q);
  }
}

@Name("org.jboss.seam.example.remoting.gwt.client.MyService")
public class ServiceImpl implements MyService {

  @WebRemote
  public String askIt(String question) {
   
    if (!validate(question)) {
      throw new IllegalStateException("Hey, this shouldn't happen, " + 
                                      "I checked on the client, but " +
                                      "it's always good to double check.");
    }
    return "42. Its the real question that you seek now.";
  }
   
  public boolean validate(String q) {
    ValidationUtility util = new ValidationUtility();
    return util.isValid(q);
  }
}