| /* |
| * Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com> |
| * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.eclipse.jgit.lib; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| |
| import java.io.IOException; |
| import java.io.OutputStreamWriter; |
| import java.io.PrintWriter; |
| import java.io.Writer; |
| |
| /** |
| * A simple progress reporter printing on a stream. |
| */ |
| public class TextProgressMonitor extends BatchingProgressMonitor { |
| private final Writer out; |
| |
| private boolean write; |
| |
| /** |
| * Initialize a new progress monitor. |
| */ |
| public TextProgressMonitor() { |
| this(new PrintWriter(new OutputStreamWriter(System.err, UTF_8))); |
| } |
| |
| /** |
| * Initialize a new progress monitor. |
| * |
| * @param out |
| * the stream to receive messages on. |
| */ |
| public TextProgressMonitor(Writer out) { |
| this.out = out; |
| this.write = true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void onUpdate(String taskName, int workCurr) { |
| StringBuilder s = new StringBuilder(); |
| format(s, taskName, workCurr); |
| send(s); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void onEndTask(String taskName, int workCurr) { |
| StringBuilder s = new StringBuilder(); |
| format(s, taskName, workCurr); |
| s.append("\n"); //$NON-NLS-1$ |
| send(s); |
| } |
| |
| private void format(StringBuilder s, String taskName, int workCurr) { |
| s.append("\r"); //$NON-NLS-1$ |
| s.append(taskName); |
| s.append(": "); //$NON-NLS-1$ |
| while (s.length() < 25) |
| s.append(' '); |
| s.append(workCurr); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void onUpdate(String taskName, int cmp, int totalWork, int pcnt) { |
| StringBuilder s = new StringBuilder(); |
| format(s, taskName, cmp, totalWork, pcnt); |
| send(s); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void onEndTask(String taskName, int cmp, int totalWork, int pcnt) { |
| StringBuilder s = new StringBuilder(); |
| format(s, taskName, cmp, totalWork, pcnt); |
| s.append("\n"); //$NON-NLS-1$ |
| send(s); |
| } |
| |
| private void format(StringBuilder s, String taskName, int cmp, |
| int totalWork, int pcnt) { |
| s.append("\r"); //$NON-NLS-1$ |
| s.append(taskName); |
| s.append(": "); //$NON-NLS-1$ |
| while (s.length() < 25) |
| s.append(' '); |
| |
| String endStr = String.valueOf(totalWork); |
| String curStr = String.valueOf(cmp); |
| while (curStr.length() < endStr.length()) |
| curStr = " " + curStr; //$NON-NLS-1$ |
| if (pcnt < 100) |
| s.append(' '); |
| if (pcnt < 10) |
| s.append(' '); |
| s.append(pcnt); |
| s.append("% ("); //$NON-NLS-1$ |
| s.append(curStr); |
| s.append("/"); //$NON-NLS-1$ |
| s.append(endStr); |
| s.append(")"); //$NON-NLS-1$ |
| } |
| |
| private void send(StringBuilder s) { |
| if (write) { |
| try { |
| out.write(s.toString()); |
| out.flush(); |
| } catch (IOException err) { |
| write = false; |
| } |
| } |
| } |
| } |