org.smallmind.scribe.pen.SyslogAppender Maven / Gradle / Ivy
/*
* Copyright (c) 2007 through 2024 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project 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 or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* .
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
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*/
package org.smallmind.scribe.pen;
import java.io.IOException;
import java.util.HashMap;
import org.productivity.java.syslog4j.Syslog;
import org.productivity.java.syslog4j.SyslogConfigIF;
import org.productivity.java.syslog4j.SyslogIF;
import org.productivity.java.syslog4j.impl.message.structured.StructuredSyslogMessage;
import org.productivity.java.syslog4j.impl.net.udp.UDPNetSyslogConfig;
import org.smallmind.nutsnbolts.http.Base64Codec;
import org.smallmind.nutsnbolts.lang.StackTraceUtility;
import org.smallmind.nutsnbolts.lang.UnknownSwitchCaseException;
import org.springframework.beans.factory.InitializingBean;
public class SyslogAppender extends AbstractAppender implements InitializingBean {
private SyslogIF syslog;
private String syslogHost = "localhost";
private String facility = "LOCAL7";
private boolean base64EncodeStackTraces = false;
private int syslogPort = 514;
public String getSyslogHost () {
return syslogHost;
}
public void setSyslogHost (String syslogHost) {
this.syslogHost = syslogHost;
}
public int getSyslogPort () {
return syslogPort;
}
public void setSyslogPort (int syslogPort) {
this.syslogPort = syslogPort;
}
public String getFacility () {
return facility;
}
public void setFacility (String facility) {
this.facility = facility;
}
public boolean isBase64EncodeStackTraces () {
return base64EncodeStackTraces;
}
public void setBase64EncodeStackTraces (boolean base64EncodeStackTraces) {
this.base64EncodeStackTraces = base64EncodeStackTraces;
}
@Override
public void afterPropertiesSet () {
SyslogConfigIF config = new UDPNetSyslogConfig();
config.setHost(syslogHost);
config.setPort(syslogPort);
config.setUseStructuredData(true);
config.setFacility(facility);
syslog = Syslog.createInstance("logging", config);
}
@Override
public void handleOutput (Record record)
throws IOException {
StructuredSyslogMessage message;
HashMap> idMap = new HashMap<>();
HashMap logParamMap;
LoggerContext loggerContext;
Parameter[] parameters;
Throwable throwable;
String threadName;
long threadId;
idMap.put("log", logParamMap = new HashMap<>());
logParamMap.put("timestamp", String.valueOf(record.getMillis()));
logParamMap.put("logger", record.getLoggerName());
threadName = record.getThreadName();
threadId = record.getThreadID();
if ((threadName != null) || (threadId > 0)) {
HashMap threadParamMap;
idMap.put("thread", threadParamMap = new HashMap<>());
if (threadName != null) {
threadParamMap.put("name", threadName);
}
if (threadId > 0) {
threadParamMap.put("id", String.valueOf(threadId));
}
}
if ((throwable = record.getThrown()) != null) {
logParamMap.put("stack-trace", (base64EncodeStackTraces) ? Base64Codec.encode(StackTraceUtility.obtainStackTraceAsString(throwable)) : StackTraceUtility.obtainStackTraceAsString(throwable));
}
if (((loggerContext = record.getLoggerContext()) != null) && loggerContext.isFilled()) {
HashMap contextParamMap;
int lineNumber;
idMap.put("context", contextParamMap = new HashMap<>());
contextParamMap.put("class", loggerContext.getClassName());
contextParamMap.put("method", loggerContext.getMethodName());
contextParamMap.put("native", String.valueOf(loggerContext.isNativeMethod()));
contextParamMap.put("file", loggerContext.getFileName());
if ((!loggerContext.isNativeMethod()) && ((lineNumber = loggerContext.getLineNumber()) > 0)) {
contextParamMap.put("line", String.valueOf(lineNumber));
}
}
if ((parameters = record.getParameters()).length > 0) {
HashMap parameterParamMap;
idMap.put("parameters", parameterParamMap = new HashMap<>());
for (Parameter parameter : parameters) {
String key = parameter.getKey();
Object value = parameter.getValue();
parameterParamMap.put((key == null) ? "null" : key, (value == null) ? "null" : value.toString());
}
}
message = new StructuredSyslogMessage(String.valueOf(record.getSequenceNumber()), idMap, record.getMessage());
switch (record.getLevel()) {
case FATAL:
syslog.critical(message);
break;
case ERROR:
syslog.error(message);
break;
case WARN:
syslog.warn(message);
break;
case INFO:
syslog.info(message);
break;
case DEBUG:
syslog.debug(message);
break;
case TRACE:
syslog.debug(message);
break;
case OFF:
break;
default:
throw new UnknownSwitchCaseException(record.getLevel().name());
}
}
}