package org.apache.maven.wagon.providers.webdav;

 /*

  * Copyright 2001-2006 The Apache Software Foundation.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *      http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 import java.io.File;

 import java.io.FileInputStream;

 import java.io.FileNotFoundException;

 import java.io.IOException;

 import org.apache.maven.wagon.Wagon;

 import org.apache.maven.wagon.events.TransferEvent;

 import org.apache.maven.wagon.events.TransferEventSupport;

 import org.apache.maven.wagon.resource.Resource;

 /**

  * Put Input Stream is borrowed from wagon-http, and is used to properly

  * notify the listeners of transfer events on a put request.

  * 

  * @author <a href="mailto:joakim@erdfelt.com">Joakim Erdfelt</a>

  */

 public class PutInputStream

     extends FileInputStream

 {

     private TransferEventSupport eventSupport;

     private TransferEvent event;

     public PutInputStream( File file, Resource resource, Wagon wagon, TransferEventSupport eventSupport )

         throws FileNotFoundException

     {

         super( file );

         this.eventSupport = eventSupport;

         event = new TransferEvent( wagon, resource, TransferEvent.TRANSFER_PROGRESS, TransferEvent.REQUEST_PUT );

         event.setLocalFile( file );

     }

     public int read( byte buffer[] )

         throws IOException

     {

         return read( buffer, 0, buffer.length );

     }

     public int read()

         throws IOException

     {

         byte buffer[] = new byte[1];

         return read( buffer );

     }

     public int read( byte buffer[], int offset, int length )

         throws IOException

     {

         int retValue = super.read( buffer, offset, length );

         if ( retValue > 0 )

         {

             event.setTimestamp( System.currentTimeMillis() );

             eventSupport.fireTransferProgress( event, buffer, retValue );

         }

         return retValue;

     }

 }