/*
* 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);
}
}