org.red5.logging.DerbyLogInterceptor Maven / Gradle / Ivy
/*
* RED5 Open Source Media Server - https://github.com/Red5/
*
* Copyright 2006-2016 by respective authors (see below). All rights reserved.
*
* 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.red5.logging;
import java.io.IOException;
import java.io.OutputStream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class DerbyLogInterceptor {
protected static Logger log = LoggerFactory.getLogger(DerbyLogInterceptor.class);
private static ThreadLocal local = new ThreadLocal<>();
public static OutputStream handleDerbyLogFile() {
return new OutputStream() {
@Override
public void write(byte[] b) throws IOException {
log.info("Derby log: {}", new String(b));
}
@Override
public void write(int i) throws IOException {
StringBuilder sb = local.get();
if (sb == null) {
sb = new StringBuilder();
}
//look for LF
if (i == 10) {
log.info("Derby log: {}", sb.toString());
sb.delete(0, sb.length() - 1);
} else {
log.trace("Derby log: {}", i);
sb.append(new String(intToDWord(i)));
}
local.set(sb);
}
};
}
private static byte[] intToDWord(int i) {
byte[] dword = new byte[4];
dword[0] = (byte) (i & 0x00FF);
dword[1] = (byte) ((i >> 8) & 0x000000FF);
dword[2] = (byte) ((i >> 16) & 0x000000FF);
dword[3] = (byte) ((i >> 24) & 0x000000FF);
return dword;
}
}