package org.apache.maven.cli;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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 org.apache.maven.wagon.WagonConstants;

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

 /**

  * Console download progress meter.

  *

  * @author <a href="mailto:brett@apache.org">Brett Porter</a>

  * @version $Id: ConsoleDownloadMonitor.java 495147 2007-01-11 07:47:53Z jvanzyl $

  */

 public class ConsoleDownloadMonitor

     extends AbstractConsoleDownloadMonitor

 {

     private long complete;

     public void transferInitiated( TransferEvent transferEvent )

     {

         String message = transferEvent.getRequestType() == TransferEvent.REQUEST_PUT ? "Uploading" : "Downloading";

         String url = transferEvent.getWagon().getRepository().getUrl();

         // TODO: can't use getLogger() because this isn't currently instantiated as a component

         System.out.println( message + ": " + url + "/" + transferEvent.getResource().getName() );

         complete = 0;

     }

     public void transferStarted( TransferEvent transferEvent )

     {

         // This space left intentionally blank

     }

     public void transferProgress( TransferEvent transferEvent, byte[] buffer, int length )

     {

         long total = transferEvent.getResource().getContentLength();

         complete += length;

         // TODO [BP]: Sys.out may no longer be appropriate, but will \r work with getLogger()?

         if ( total >= 1024 )

         {

             System.out.print(

                 ( complete / 1024 ) + "/" + ( total == WagonConstants.UNKNOWN_LENGTH ? "?" : ( total / 1024 ) + "K" ) +

                     "\r" );

         }

         else

         {

             System.out.print( complete + "/" + ( total == WagonConstants.UNKNOWN_LENGTH ? "?" : total + "b" ) + "\r" );

         }

     }

 }