| /* |
| * 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. |
| */ |
| package org.apache.maven.repository.internal.util; |
| |
| import java.io.PrintStream; |
| import java.text.DecimalFormat; |
| import java.text.DecimalFormatSymbols; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import org.eclipse.aether.transfer.AbstractTransferListener; |
| import org.eclipse.aether.transfer.TransferEvent; |
| import org.eclipse.aether.transfer.TransferResource; |
| |
| public class ConsoleTransferListener extends AbstractTransferListener { |
| |
| private PrintStream out; |
| |
| private Map<TransferResource, Long> downloads = new ConcurrentHashMap<>(); |
| |
| private int lastLength; |
| |
| public ConsoleTransferListener() { |
| this(null); |
| } |
| |
| public ConsoleTransferListener(PrintStream out) { |
| this.out = (out != null) ? out : System.out; |
| } |
| |
| @Override |
| public void transferInitiated(TransferEvent event) { |
| String message = event.getRequestType() == TransferEvent.RequestType.PUT ? "Uploading" : "Downloading"; |
| |
| println( |
| "transferInitiated", |
| message + ": " + event.getResource().getRepositoryUrl() |
| + event.getResource().getResourceName()); |
| } |
| |
| @Override |
| public void transferProgressed(TransferEvent event) { |
| TransferResource resource = event.getResource(); |
| downloads.put(resource, event.getTransferredBytes()); |
| |
| StringBuilder buffer = new StringBuilder(64); |
| |
| for (Map.Entry<TransferResource, Long> entry : downloads.entrySet()) { |
| long total = entry.getKey().getContentLength(); |
| long complete = entry.getValue(); |
| |
| buffer.append(getStatus(complete, total)).append(" "); |
| } |
| |
| int pad = lastLength - buffer.length(); |
| lastLength = buffer.length(); |
| pad(buffer, pad); |
| buffer.append('\r'); |
| |
| print("transferProgressed", buffer.toString()); |
| } |
| |
| private String getStatus(long complete, long total) { |
| if (total >= 1024) { |
| return toKB(complete) + "/" + toKB(total) + " KB "; |
| } else if (total >= 0) { |
| return complete + "/" + total + " B "; |
| } else if (complete >= 1024) { |
| return toKB(complete) + " KB "; |
| } else { |
| return complete + " B "; |
| } |
| } |
| |
| private void pad(StringBuilder buffer, int spaces) { |
| String block = " "; |
| while (spaces > 0) { |
| int n = Math.min(spaces, block.length()); |
| buffer.append(block, 0, n); |
| spaces -= n; |
| } |
| } |
| |
| @Override |
| public void transferSucceeded(TransferEvent event) { |
| transferCompleted(event); |
| |
| TransferResource resource = event.getResource(); |
| long contentLength = event.getTransferredBytes(); |
| if (contentLength >= 0) { |
| String type = (event.getRequestType() == TransferEvent.RequestType.PUT ? "Uploaded" : "Downloaded"); |
| String len = contentLength >= 1024 ? toKB(contentLength) + " KB" : contentLength + " B"; |
| |
| String throughput = ""; |
| long duration = System.currentTimeMillis() - resource.getTransferStartTime(); |
| if (duration > 0) { |
| DecimalFormat format = new DecimalFormat("0.0", new DecimalFormatSymbols(Locale.ENGLISH)); |
| double kbPerSec = (contentLength / 1024.0) / (duration / 1000.0); |
| throughput = " at " + format.format(kbPerSec) + " KB/sec"; |
| } |
| |
| println( |
| "transferSucceeded", |
| type + ": " + resource.getRepositoryUrl() + resource.getResourceName() + " (" + len + throughput |
| + ")"); |
| } |
| } |
| |
| @Override |
| public void transferFailed(TransferEvent event) { |
| transferCompleted(event); |
| |
| println( |
| "transferFailed", |
| event.getException().getClass() + ": " + event.getException().getMessage()); |
| } |
| |
| private void transferCompleted(TransferEvent event) { |
| downloads.remove(event.getResource()); |
| |
| StringBuilder buffer = new StringBuilder(64); |
| pad(buffer, lastLength); |
| buffer.append('\r'); |
| out.println(buffer); |
| } |
| |
| @Override |
| public void transferCorrupted(TransferEvent event) { |
| println( |
| "transferCorrupted", |
| event.getException().getClass() + ": " + event.getException().getMessage()); |
| } |
| |
| protected long toKB(long bytes) { |
| return (bytes + 1023) / 1024; |
| } |
| |
| private void println(String event, String message) { |
| print(event, message); |
| out.println(); |
| } |
| |
| private void print(String event, String message) { |
| out.print("Aether Transfer - " + event); |
| if (message != null) { |
| out.print(": "); |
| out.print(message); |
| } |
| } |
| } |