/**
* Copyright (C) 2011 - 101loops.com <dev@101loops.com>
*
* 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 com.crashnote.jul;
import com.crashnote.ICrashAppender;
import com.crashnote.core.model.types.LogLevel;
import com.crashnote.jul.impl.JulEvt;
import com.crashnote.logger.config.*;
import com.crashnote.logger.report.LoggerReporter;
import org.slf4j.MDC;
import org.slf4j.spi.MDCAdapter;
import java.util.Map;
import java.util.logging.*;
/**
* Appender that writes logs from 'Java Logging API (JUL)' to the cloud
*/
public class CrashHandler
extends Handler implements ICrashAppender {
private boolean started;
private Level logLevel = Level.INFO;
private MDCAdapter mdc;
private LoggerReporter<LoggerConfig> reporter;
// config
private LoggerConfig config;
private final LoggerConfigFactory configFactory;
// SETUP ======================================================================================
public CrashHandler() {
this(new LoggerConfigFactory());
}
public CrashHandler(final LoggerConfigFactory configFactory) {
this.configFactory = configFactory;
init();
}
public CrashHandler(final LoggerConfig config, final LoggerReporter reporter) {
this.config = config;
this.reporter = reporter;
this.configFactory = null;
init();
}
private void init() {
try {
mdc = MDC.getMDCAdapter();
} catch (Exception ignored) {
mdc = null;
}
start();
}
// INTERFACE ==================================================================================
@Override
public void publish(final LogRecord record) {
if (isLoggable(record))
getReporter().reportLog(new JulEvt(record, getContext()));
}
@Override
public void flush() {
// nothing to do
}
public boolean isStarted() {
return started;
}
/**
* Set the minimum log level for the handler, so it does not accept records with lower level.
* Cannot use setLevel() from base class since it throws an AccessControlException on AppEngine.
*/
public void setLogLevel(final LogLevel lvl) {
if (lvl == LogLevel.DEBUG)
logLevel = Level.FINE;
else if (lvl == LogLevel.INFO)
logLevel = Level.INFO;
else if (lvl == LogLevel.WARN)
logLevel = Level.WARNING;
else
logLevel = Level.SEVERE;
}
@Override
public boolean isLoggable(final LogRecord record) {
return record.getLevel().intValue() >= logLevel.intValue() &&
getReporter().doAcceptLog(record.getLoggerName());
}
@Override
public void close() throws SecurityException {
if (started) {
getReporter().stop();
started = false;
}
}
public static Logger getTargetLogger(final Class clazz) {
return Logger.getLogger(clazz.getName());
}
// INTERNALS ==================================================================================
private void start() {
if (!started) {
setLogLevel(getConfig().getLogLevel());
getReporter().start();
started = true;
}
}
private LoggerConfig getConfig() {
if (config == null) config = (LoggerConfig) configFactory.get();
return config;
}
private LoggerReporter<LoggerConfig> getReporter() {
if (reporter == null) reporter = getConfig().getReporter();
return reporter;
}
private Map getContext() {
return (mdc != null) ? mdc.getCopyOfContextMap() : null;
}
// PARAMETERS =================================================================================
public void setPort(final String port) {
configFactory.setPort(port);
}
public void setHost(final String host) {
configFactory.setHost(host);
}
public void setKey(final String key) {
configFactory.setKey(key);
}
public void setEnabled(final String enabled) {
configFactory.setEnabled(enabled);
}
public void setSslPort(final String sslPort) {
configFactory.setSslPort(sslPort);
}
public void setSecure(final String secure) {
configFactory.setSecure(secure);
}
public void setSync(final String on) {
configFactory.setSync(on);
}
}