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1   package org.apache.maven.cli;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *  http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.apache.maven.wagon.WagonConstants;
23  import org.apache.maven.wagon.events.TransferEvent;
24  
25  /**
26   * Console download progress meter.
27   *
28   * @author <a href="mailto:brett@apache.org">Brett Porter</a>
29   * @version $Id: ConsoleDownloadMonitor.java 495147 2007-01-11 07:47:53Z jvanzyl $
30   */
31  public class ConsoleDownloadMonitor
32      extends AbstractConsoleDownloadMonitor
33  {
34      private long complete;
35  
36      public void transferInitiated( TransferEvent transferEvent )
37      {
38          String message = transferEvent.getRequestType() == TransferEvent.REQUEST_PUT ? "Uploading" : "Downloading";
39  
40          String url = transferEvent.getWagon().getRepository().getUrl();
41  
42          // TODO: can't use getLogger() because this isn't currently instantiated as a component
43          System.out.println( message + ": " + url + "/" + transferEvent.getResource().getName() );
44  
45          complete = 0;
46      }
47  
48      public void transferStarted( TransferEvent transferEvent )
49      {
50          // This space left intentionally blank
51      }
52  
53      public void transferProgress( TransferEvent transferEvent, byte[] buffer, int length )
54      {
55          long total = transferEvent.getResource().getContentLength();
56          complete += length;
57          // TODO [BP]: Sys.out may no longer be appropriate, but will \r work with getLogger()?
58          if ( total >= 1024 )
59          {
60              System.out.print(
61                  ( complete / 1024 ) + "/" + ( total == WagonConstants.UNKNOWN_LENGTH ? "?" : ( total / 1024 ) + "K" ) +
62                      "\r" );
63          }
64          else
65          {
66              System.out.print( complete + "/" + ( total == WagonConstants.UNKNOWN_LENGTH ? "?" : total + "b" ) + "\r" );
67          }
68      }
69  }
70