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.io.PrintStream; 023import java.text.DecimalFormat; 024import java.text.DecimalFormatSymbols; 025import java.util.Locale; 026 027import org.eclipse.aether.transfer.AbstractTransferListener; 028import org.eclipse.aether.transfer.TransferCancelledException; 029import org.eclipse.aether.transfer.TransferEvent; 030import org.eclipse.aether.transfer.TransferResource; 031 032public abstract class AbstractMavenTransferListener 033 extends AbstractTransferListener 034{ 035 036 protected PrintStream out; 037 038 protected AbstractMavenTransferListener( PrintStream out ) 039 { 040 this.out = out; 041 } 042 043 @Override 044 public void transferInitiated( TransferEvent event ) 045 { 046 String message = event.getRequestType() == TransferEvent.RequestType.PUT ? "Uploading" : "Downloading"; 047 048 out.println( message + ": " + event.getResource().getRepositoryUrl() + event.getResource().getResourceName() ); 049 } 050 051 @Override 052 public void transferCorrupted( TransferEvent event ) 053 throws TransferCancelledException 054 { 055 TransferResource resource = event.getResource(); 056 057 out.println( "[WARNING] " + event.getException().getMessage() + " for " + resource.getRepositoryUrl() 058 + resource.getResourceName() ); 059 } 060 061 @Override 062 public void transferSucceeded( TransferEvent event ) 063 { 064 TransferResource resource = event.getResource(); 065 long contentLength = event.getTransferredBytes(); 066 if ( contentLength >= 0 ) 067 { 068 String type = ( event.getRequestType() == TransferEvent.RequestType.PUT ? "Uploaded" : "Downloaded" ); 069 String len = contentLength >= 1024 ? toKB( contentLength ) + " KB" : contentLength + " B"; 070 071 String throughput = ""; 072 long duration = System.currentTimeMillis() - resource.getTransferStartTime(); 073 if ( duration > 0 ) 074 { 075 DecimalFormat format = new DecimalFormat( "0.0", new DecimalFormatSymbols( Locale.ENGLISH ) ); 076 double kbPerSec = ( contentLength / 1024.0 ) / ( duration / 1000.0 ); 077 throughput = " at " + format.format( kbPerSec ) + " KB/sec"; 078 } 079 080 out.println( type + ": " + resource.getRepositoryUrl() + resource.getResourceName() + " (" + len 081 + throughput + ")" ); 082 } 083 } 084 085 protected long toKB( long bytes ) 086 { 087 return ( bytes + 1023 ) / 1024; 088 } 089 090}