001package org.apache.maven.cli.transfer; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import java.text.DecimalFormat; 023import java.text.DecimalFormatSymbols; 024import java.util.Locale; 025 026import org.eclipse.aether.transfer.AbstractTransferListener; 027import org.eclipse.aether.transfer.TransferCancelledException; 028import org.eclipse.aether.transfer.TransferEvent; 029import org.eclipse.aether.transfer.TransferResource; 030import org.slf4j.Logger; 031import org.slf4j.LoggerFactory; 032 033public class Slf4jMavenTransferListener 034 extends AbstractTransferListener 035{ 036 037 protected final Logger out; 038 039 public Slf4jMavenTransferListener() 040 { 041 this.out = LoggerFactory.getLogger( Slf4jMavenTransferListener.class ); 042 } 043 044 // TODO should we deprecate? 045 public Slf4jMavenTransferListener( Logger out ) 046 { 047 this.out = out; 048 } 049 050 @Override 051 public void transferInitiated( TransferEvent event ) 052 { 053 String message = event.getRequestType() == TransferEvent.RequestType.PUT ? "Uploading" : "Downloading"; 054 055 out.info( message + ": " + event.getResource().getRepositoryUrl() + event.getResource().getResourceName() ); 056 } 057 058 @Override 059 public void transferCorrupted( TransferEvent event ) 060 throws TransferCancelledException 061 { 062 TransferResource resource = event.getResource(); 063 064 out.warn( event.getException().getMessage() + " for " + resource.getRepositoryUrl() 065 + resource.getResourceName() ); 066 } 067 068 @Override 069 public void transferSucceeded( TransferEvent event ) 070 { 071 TransferResource resource = event.getResource(); 072 long contentLength = event.getTransferredBytes(); 073 if ( contentLength >= 0 ) 074 { 075 String type = ( event.getRequestType() == TransferEvent.RequestType.PUT ? "Uploaded" : "Downloaded" ); 076 String len = contentLength >= 1024 ? toKB( contentLength ) + " KB" : contentLength + " B"; 077 078 String throughput = ""; 079 long duration = System.currentTimeMillis() - resource.getTransferStartTime(); 080 if ( duration > 0 ) 081 { 082 DecimalFormat format = new DecimalFormat( "0.0", new DecimalFormatSymbols( Locale.ENGLISH ) ); 083 double kbPerSec = ( contentLength / 1024.0 ) / ( duration / 1000.0 ); 084 throughput = " at " + format.format( kbPerSec ) + " KB/sec"; 085 } 086 087 out.info( type + ": " + resource.getRepositoryUrl() + resource.getResourceName() + " (" + len 088 + throughput + ")" ); 089 } 090 } 091 092 protected long toKB( long bytes ) 093 { 094 return ( bytes + 1023 ) / 1024; 095 } 096 097}