| /* |
| * 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; |
| |
| /** |
| * A simple progress reporter printing on stderr |
| */ |
| public class TextProgressMonitor implements ProgressMonitor { |
| private boolean output; |
| |
| private long taskBeganAt; |
| |
| private String msg; |
| |
| private int lastWorked; |
| |
| private int totalWork; |
| |
| /** Initialize a new progress monitor. */ |
| public TextProgressMonitor() { |
| taskBeganAt = System.currentTimeMillis(); |
| } |
| |
| public void start(final int totalTasks) { |
| // Ignore the number of tasks. |
| taskBeganAt = System.currentTimeMillis(); |
| } |
| |
| public void beginTask(final String title, final int total) { |
| endTask(); |
| msg = title; |
| lastWorked = 0; |
| totalWork = total; |
| } |
| |
| public void update(final int completed) { |
| if (msg == null) |
| return; |
| |
| final int cmp = lastWorked + completed; |
| if (!output && System.currentTimeMillis() - taskBeganAt < 500) |
| return; |
| if (totalWork == UNKNOWN) { |
| display(cmp); |
| System.err.flush(); |
| } else { |
| if ((cmp * 100 / totalWork) != (lastWorked * 100) / totalWork) { |
| display(cmp); |
| System.err.flush(); |
| } |
| } |
| lastWorked = cmp; |
| output = true; |
| } |
| |
| private void display(final int cmp) { |
| final StringBuilder m = new StringBuilder(); |
| m.append('\r'); |
| m.append(msg); |
| m.append(": "); |
| while (m.length() < 25) |
| m.append(' '); |
| |
| if (totalWork == UNKNOWN) { |
| m.append(cmp); |
| } else { |
| final String twstr = String.valueOf(totalWork); |
| String cmpstr = String.valueOf(cmp); |
| while (cmpstr.length() < twstr.length()) |
| cmpstr = " " + cmpstr; |
| final int pcnt = (cmp * 100 / totalWork); |
| if (pcnt < 100) |
| m.append(' '); |
| if (pcnt < 10) |
| m.append(' '); |
| m.append(pcnt); |
| m.append("% ("); |
| m.append(cmpstr); |
| m.append("/"); |
| m.append(twstr); |
| m.append(")"); |
| } |
| |
| System.err.print(m); |
| } |
| |
| public boolean isCancelled() { |
| return false; |
| } |
| |
| public void endTask() { |
| if (output) { |
| if (totalWork != UNKNOWN) |
| display(totalWork); |
| System.err.println(); |
| } |
| output = false; |
| msg = null; |
| } |
| } |