/*
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* Copyright (C) 2008-2010, Google Inc.
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* and other copyright owners as documented in the project's IP log.
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*
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* This program and the accompanying materials are made available
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* under the terms of the Eclipse Distribution License v1.0 which
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* accompanies this distribution, is reproduced below, and is
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* available at http://www.eclipse.org/org/documents/edl-v10.php
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* - Neither the name of the Eclipse Foundation, Inc. nor the
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* names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package com.gitblit.git;
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import java.io.IOException;
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import java.io.OutputStream;
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import org.eclipse.jgit.lib.BatchingProgressMonitor;
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import org.eclipse.jgit.lib.Constants;
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/** Write progress messages out to the sideband channel. */
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class SideBandProgressMonitor extends BatchingProgressMonitor {
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private final OutputStream out;
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private boolean write;
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SideBandProgressMonitor(final OutputStream os) {
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out = os;
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write = true;
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}
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@Override
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protected void onUpdate(String taskName, int workCurr) {
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StringBuilder s = new StringBuilder();
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format(s, taskName, workCurr);
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s.append(" \r"); //$NON-NLS-1$
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send(s);
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}
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@Override
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protected void onEndTask(String taskName, int workCurr) {
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StringBuilder s = new StringBuilder();
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format(s, taskName, workCurr);
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s.append(", done\n"); //$NON-NLS-1$
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send(s);
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}
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private void format(StringBuilder s, String taskName, int workCurr) {
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s.append(taskName);
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s.append(": "); //$NON-NLS-1$
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s.append(workCurr);
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}
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@Override
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protected void onUpdate(String taskName, int cmp, int totalWork, int pcnt) {
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StringBuilder s = new StringBuilder();
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format(s, taskName, cmp, totalWork, pcnt);
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s.append(" \r"); //$NON-NLS-1$
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send(s);
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}
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@Override
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protected void onEndTask(String taskName, int cmp, int totalWork, int pcnt) {
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StringBuilder s = new StringBuilder();
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format(s, taskName, cmp, totalWork, pcnt);
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s.append("\n"); //$NON-NLS-1$
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send(s);
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}
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private void format(StringBuilder s, String taskName, int cmp,
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int totalWork, int pcnt) {
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s.append(taskName);
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s.append(": "); //$NON-NLS-1$
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if (pcnt < 100)
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s.append(' ');
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if (pcnt < 10)
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s.append(' ');
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s.append(pcnt);
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s.append("% ("); //$NON-NLS-1$
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s.append(cmp);
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s.append("/"); //$NON-NLS-1$
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s.append(totalWork);
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s.append(")"); //$NON-NLS-1$
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}
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private void send(StringBuilder s) {
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if (write) {
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try {
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out.write(Constants.encode(s.toString()));
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out.flush();
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} catch (IOException err) {
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write = false;
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}
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}
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}
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}
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