org.robovm.compiler.log.LoggerOutputStream Maven / Gradle / Ivy
/*
* Copyright (C) 2012 Trillian Mobile AB
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package org.robovm.compiler.log;
import java.io.IOException;
import java.io.OutputStream;
/**
* @author niklas
*
*/
public abstract class LoggerOutputStream extends OutputStream {
protected final Logger logger;
private byte[] buffer = new byte[1024];
private int start = 0;
private int end = 0;
public LoggerOutputStream(Logger logger) {
this.logger = logger;
}
protected abstract void log(byte[] message, int off, int length);
@Override
public void close() throws IOException {
if (start < end) {
log(buffer, start, end - start);
}
super.close();
}
@Override
public void write(int b) throws IOException {
if (b == '\r') {
// Skip
return;
}
if (b == '\n') {
log(buffer, start, end - start);
start = end = 0;
return;
}
if (end == buffer.length) {
if (start > 0) {
// Compact
System.arraycopy(buffer, start, buffer, 0, end - start);
end -= start;
start = 0;
} else {
// Need a bigger buffer
byte[] newBuffer = new byte[buffer.length * 2];
System.arraycopy(buffer, 0, newBuffer, 0, buffer.length);
buffer = newBuffer;
}
}
buffer[end++] = (byte) b;
}
}