ServiceDefTarget


1   /*
2    * Copyright 2006 Google Inc.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5    * use this file except in compliance with the License. You may obtain a copy of
6    * the License at
7    * 
8    * http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations under
14   * the License.
15   */
16  package com.google.gwt.user.client.rpc;
17  
18  /**
19   * An interface implemented by client-side RPC proxy objects. Cast the object
20   * returned from {@link com.google.gwt.core.client.GWT#create(Class)} on a
21   * {@link RemoteService} should be cast to this interface to initialize the
22   * target URL for the remote service.
23   */
24  public interface ServiceDefTarget {
25  
26    /**
27     * This exception is thrown when a service is invoked without
28     * {@link ServiceDefTarget#setServiceEntryPoint(String)} having been called.
29     */
30    public static class NoServiceEntryPointSpecifiedException extends
31        InvocationException {
32  
33      public NoServiceEntryPointSpecifiedException() {
34        super("Service implementation URL not specified");
35      }
36    }
37  
38    /**
39     * Gets the URL of a service implementation.
40     * 
41     * @return the last value passed to {@link #setServiceEntryPoint(String)}
42     */
43    String   getServiceEntryPoint();
44  
45    /**
46     * Sets the URL of a service implementation.
47     * 
48     * @param address a URL that designates the service implementation to call
49     */
50    void setServiceEntryPoint(String   address);
51  }
52

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