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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.sshd.common.util;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import org.slf4j.Logger;
/**
* TODO Add javadoc
*
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class LoggingFilterOutputStream
extends FilterOutputStream {
private final String msg
;
private final Logger log
;
public LoggingFilterOutputStream
(OutputStream out,
String msg,
Logger log
) {
super(out
);
this.
msg = msg
;
this.
log = log
;
}
@
Override
public void write
(int b
) throws IOException {
byte[] d =
new byte[1];
d
[0] =
(byte) b
;
write
(d,
0,
1);
}
@
Override
public void write
(byte[] b,
int off,
int len
) throws IOException {
if (log
!=
null && log.
isTraceEnabled()) {
log.
trace("{} {}", msg, BufferUtils.
printHex(b, off, len
));
}
out.
write(b, off, len
);
}
}