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.wap.*;
005
006
007/** A {@linkplain CountCache.WAPResponse WAPResponse} callback with error detection.
008  */
009abstract class WAPCleanCallback implements AsyncCallback<CountCache.WAPResponse>
010{
011
012
013    /** Creates a WAPCleanCallback.
014      *
015      *     @see #pollName()
016      */
017    WAPCleanCallback( String _pollName ) { pollName = _pollName; }
018
019
020
021   // - A s y n c - C a l l b a c k --------------------------------------------------
022
023
024    public final void onSuccess( final CountCache.WAPResponse response )
025    {
026        final CountCache.WAPResponseP responseP;
027        try
028        {
029            responseP = response.forPoll( pollName );
030            responseP.ensureClean();
031        }
032        catch( final WAPException x )
033        {
034            onFailure( x );
035            return;
036        }
037
038        onSuccess( responseP );
039    }
040
041
042
043    /** Handles successful completion of the call.
044      */
045    abstract void onSuccess( CountCache.WAPResponseP responseP );
046
047
048
049    /** Identifies the poll that was requested.
050      */
051    String pollName() { return pollName; }
052
053
054        private final String pollName;
055
056
057
058}
059
060
061