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- /*
- * 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;
- }
- }
- }
- }
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