001package votorola.a.count.gwt; // Copyright 2012, Michael Allan. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Votorola Software"), to deal in the Votorola Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Votorola Software, and to permit persons to whom the Votorola Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Votorola Software. THE VOTOROLA SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE VOTOROLA SOFTWARE OR THE USE OR OTHER DEALINGS IN THE VOTOROLA SOFTWARE. 002 003import com.google.gwt.user.client.rpc.AsyncCallback; 004import votorola.a.web.gwt.*; 005 006 007/** A callback for requests from the count engine. 008 */ 009public abstract class CountCallback<T> implements AsyncCallback<T> 010{ 011 012 013 /** Constructs a CountCallback. 014 * 015 * @param _loc the {@linkplain CountCache#requestCount_loc(String,StringBuilder) 016 * request location}. 017 * @param _warningSink the warning sink to use in the event of a {@linkplain 018 * #onFailure(Throwable) failure}. 019 */ 020 public CountCallback( String _loc, WarningSink _warningSink ) 021 { 022 loc = _loc; 023 warningSink = _warningSink; 024 } 025 026 027 028 // - A s y n c - C a l l b a c k ------------------------------------------------------ 029 030 031 /** Called when the request completes abnormally. The implementation of this method 032 * in class CountCallback appends an informative message to the {@linkplain 033 * CountCallback#CountCallback(String,WarningSink) warning sink}. 034 */ 035 public void onFailure( final Throwable x ) 036 { 037 warningSink.addWarning( App.i().mesA().count_gwt_CountCallback( x, loc )); 038 } 039 040 041 042//// P r i v a t e /////////////////////////////////////////////////////////////////////// 043 044 045 private final String loc; 046 047 048 049 private final WarningSink warningSink; 050 051 052}