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/*
* Copyright (C) 2008-2010, Google Inc.
* 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 com.gitblit.git;
import java.io.IOException;
import java.io.OutputStream;
import org.eclipse.jgit.lib.BatchingProgressMonitor;
import org.eclipse.jgit.lib.Constants;
/** Write progress messages out to the sideband channel. */
class SideBandProgressMonitor extends BatchingProgressMonitor {
private final OutputStream out;
private boolean write;
SideBandProgressMonitor(final OutputStream os) {
out = os;
write = true;
}
@Override
protected void onUpdate(String taskName, int workCurr) {
StringBuilder s = new StringBuilder();
format(s, taskName, workCurr);
s.append(" \r"); //$NON-NLS-1$
send(s);
}
@Override
protected void onEndTask(String taskName, int workCurr) {
StringBuilder s = new StringBuilder();
format(s, taskName, workCurr);
s.append(", done\n"); //$NON-NLS-1$
send(s);
}
private void format(StringBuilder s, String taskName, int workCurr) {
s.append(taskName);
s.append(": "); //$NON-NLS-1$
s.append(workCurr);
}
@Override
protected void onUpdate(String taskName, int cmp, int totalWork, int pcnt) {
StringBuilder s = new StringBuilder();
format(s, taskName, cmp, totalWork, pcnt);
s.append(" \r"); //$NON-NLS-1$
send(s);
}
@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(taskName);
s.append(": "); //$NON-NLS-1$
if (pcnt < 100)
s.append(' ');
if (pcnt < 10)
s.append(' ');
s.append(pcnt);
s.append("% ("); //$NON-NLS-1$
s.append(cmp);
s.append("/"); //$NON-NLS-1$
s.append(totalWork);
s.append(")"); //$NON-NLS-1$
}
private void send(StringBuilder s) {
if (write) {
try {
out.write(Constants.encode(s.toString()));
out.flush();
} catch (IOException err) {
write = false;
}
}
}
}
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