001    /*
002     * Copyright 2004 Niclas Hedhman.
003     *
004     * Licensed  under the  Apache License,  Version 2.0  (the "License");
005     * you may not use  this file  except in  compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *   http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed  under the  License is distributed on an "AS IS" BASIS,
012     * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
013     * implied.
014     *
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package net.dpml.transit.monitor;
020    
021    import java.net.URL;
022    
023    /**
024     * Adapts network events to logging messages.
025     *
026     * @author <a href="http://www.dpml.net">Digital Product Meta Library</a>
027     * @version 1.0.1
028     */
029    public class NetworkMonitorAdapter extends AbstractAdapter
030        implements NetworkMonitor
031    {
032        // ------------------------------------------------------------------------
033        // constructor
034        // ------------------------------------------------------------------------
035    
036       /**
037        * Creation of a new network monitor adapter.
038        * @param adapter the logging adapter
039        */
040        public NetworkMonitorAdapter( Adapter adapter )
041        {
042            super( adapter );
043        }
044    
045        // ------------------------------------------------------------------------
046        // NetworkMonitor
047        // ------------------------------------------------------------------------
048    
049       /**
050        * Handle the notification of an update in the download status.
051        *
052        * @param resource the name of the remote resource being downloaded.
053        * @param expected the expected number of bytes to be downloaded.
054        * @param count the number of bytes downloaded.
055        */
056        public void notifyUpdate( URL resource, int expected, int count )
057        {
058            getAdapter().notify( resource, expected, count );
059        }
060    
061        /**
062         * Handle the notification of the completion of of download process.
063         * @param resource the url of the completed resource
064         */
065        public void notifyCompletion( URL resource )
066        {
067            if( getAdapter().isDebugEnabled() )
068            {
069                getAdapter().debug( "downloaded: " + resource );
070            }
071        }
072    }
073