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/*
* Copyright (C) 2009-2020 the original author(s).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.fusesource.jansi.io;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;
/**
* A simple buffering output stream with no synchronization.
*/
public class FastBufferedOutputStream extends FilterOutputStream {
protected final byte buf[] = new byte[8192];
protected int count;
public FastBufferedOutputStream(OutputStream out) {
super(out);
}
@Override
public void write(int b) throws IOException {
if (count >= buf.length) {
flushBuffer();
}
buf[count++] = (byte) b;
}
@Override
public void write(byte b[], int off, int len) throws IOException {
if (len >= buf.length) {
flushBuffer();
out.write(b, off, len);
return;
}
if (len > buf.length - count) {
flushBuffer();
}
System.arraycopy(b, off, buf, count, len);
count += len;
}
private void flushBuffer() throws IOException {
if (count > 0) {
out.write(buf, 0, count);
count = 0;
}
}
@Override
public void flush() throws IOException {
flushBuffer();
out.flush();
}
}
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