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1   package org.apache.maven.resolver.internal.ant;
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 java.text.DecimalFormat;
23  import java.text.DecimalFormatSymbols;
24  import java.util.Locale;
25  
26  import org.apache.tools.ant.Project;
27  import org.apache.tools.ant.Task;
28  import org.eclipse.aether.transfer.AbstractTransferListener;
29  import org.eclipse.aether.transfer.TransferCancelledException;
30  import org.eclipse.aether.transfer.TransferEvent;
31  import org.eclipse.aether.transfer.TransferResource;
32  
33  /**
34   * Logs up- and downloads.
35   */
36  class AntTransferListener
37      extends AbstractTransferListener
38  {
39  
40      private Task task;
41  
42      AntTransferListener( Task task )
43      {
44          this.task = task;
45      }
46  
47      @Override
48      public void transferInitiated( TransferEvent event )
49          throws TransferCancelledException
50      {
51          String msg = event.getRequestType() == TransferEvent.RequestType.PUT ? "Uploading" : "Downloading";
52          msg += " " + event.getResource().getRepositoryUrl() + event.getResource().getResourceName();
53          task.log( msg );
54      }
55  
56      @Override
57      public void transferCorrupted( TransferEvent event )
58          throws TransferCancelledException
59      {
60          TransferResource resource = event.getResource();
61  
62          task.log( event.getException().getMessage() + " for " + resource.getRepositoryUrl()
63                        + resource.getResourceName(), Project.MSG_WARN );
64      }
65  
66      @Override
67      public void transferSucceeded( TransferEvent event )
68      {
69          String msg = event.getRequestType() == TransferEvent.RequestType.PUT ? "Uploaded" : "Downloaded";
70          msg += " " + event.getResource().getRepositoryUrl() + event.getResource().getResourceName();
71  
72          long contentLength = event.getTransferredBytes();
73          if ( contentLength >= 0 )
74          {
75              String len = contentLength >= 1024 ? ( ( contentLength + 1023 ) / 1024 ) + " KB" : contentLength + " B";
76  
77              String throughput = "";
78              long duration = System.currentTimeMillis() - event.getResource().getTransferStartTime();
79              if ( duration > 0 )
80              {
81                  DecimalFormat format = new DecimalFormat( "0.0", new DecimalFormatSymbols( Locale.ENGLISH ) );
82                  double kbPerSec = ( contentLength / 1024.0 ) / ( duration / 1000.0 );
83                  throughput = " at " + format.format( kbPerSec ) + " KB/sec";
84              }
85  
86              msg += " (" + len + throughput + ")";
87          }
88          task.log( msg );
89      }
90  
91  }