| /* |
| * Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com> |
| * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| 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; |
| } |
| } |
| } |
| } |