| /* |
| * 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.geronimo.gshell.artifact.transfer.monitor; |
| |
| import org.apache.geronimo.gshell.artifact.transfer.TransferEvent; |
| import org.apache.geronimo.gshell.artifact.transfer.TransferListenerSupport; |
| import org.apache.geronimo.gshell.io.IO; |
| |
| import java.io.IOException; |
| |
| /** |
| * A download monitor providing a simple spinning progress interface. |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class ProgressSpinnerMonitor |
| extends TransferListenerSupport |
| { |
| private static final String CARRIAGE_RETURN = "\r"; |
| |
| private final IO io; |
| |
| private final ProgressSpinner spinner = new ProgressSpinner(); |
| |
| private long complete; |
| |
| public ProgressSpinnerMonitor(final IO io) throws IOException { |
| assert io != null; |
| |
| this.io = io; |
| } |
| |
| private void print(final String message) { |
| if (!io.isQuiet()) { |
| io.out.print(message); |
| io.out.print(CARRIAGE_RETURN); |
| io.out.flush(); |
| } |
| } |
| |
| private void println(final String message) { |
| if (!io.isQuiet()) { |
| io.out.println(message); |
| io.out.flush(); |
| } |
| } |
| |
| public void transferStarted(final TransferEvent event) { |
| assert event != null; |
| |
| super.transferStarted(event); |
| |
| complete = 0; |
| |
| spinner.reset(); |
| |
| String type = renderRequestType(event); |
| String location = event.getLocation(); |
| String message = type + ": " + location; |
| |
| println(message); |
| } |
| |
| public void transferProgress(final TransferEvent event) { |
| assert event != null; |
| |
| super.transferProgress(event); |
| |
| long total = event.getContentLength(); |
| complete += event.getLength(); |
| |
| String message = renderProgressBytes(complete, total); |
| |
| print(spinner.spin(message)); |
| } |
| |
| public void transferCompleted(final TransferEvent event) { |
| assert event != null; |
| |
| super.transferCompleted(event); |
| |
| long total = event.getContentLength(); |
| String type = renderRequestTypeFinished(event); |
| String bytes = renderBytes(total); |
| |
| // HACK: pad at end just incase, should really blank the reset of the line |
| print(type + " " + bytes + " "); |
| } |
| } |