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/*******************************************************************************
* ============LICENSE_START====================================================
* * org.onap.aaf
* * ===========================================================================
* * Copyright © 2017 AT&T Intellectual Property. 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.
* * ============LICENSE_END====================================================
* *
* * ECOMP is a trademark and service mark of AT&T Intellectual Property.
* *
******************************************************************************/
package org.onap.aaf.inno.env.impl;
import java.io.PrintWriter;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.onap.aaf.inno.env.APIException;
import org.onap.aaf.inno.env.LogTarget;
import org.onap.aaf.inno.env.util.StringBuilderWriter;
/**
* Many services have chosen to use Log4J for their lower level Logging Implementation. This LogTarget will allow
* any of the messages sent to be set to the appropriate Log4J level.
*
*
*/
public class Log4JLogTarget implements LogTarget {
private Level level;
private Logger log;
public Log4JLogTarget(String loggerName, Level level) throws APIException {
this.level = level;
if (loggerName != null && loggerName.length() > 0) {
log = Logger.getLogger(loggerName);
} else {
log = Logger.getRootLogger();
}
}
// @Override
public boolean isLoggable() {
return log.isEnabledFor(level);
}
// @Override
public void log(Object... msgs) {
log(null, msgs);
}
// @Override
public void log(Throwable e, Object... msgs) {
if (log.isEnabledFor(level)) {
StringBuilder sb = new StringBuilder();
String msg;
if (e != null) {
e.printStackTrace(new PrintWriter(new StringBuilderWriter(sb)));
}
for (int i = 0; i < msgs.length; ++i) {
if(msgs[i]!=null) {
msg = msgs[i].toString();
if (msg != null && msg.length() > 0) {
int sbl = sb.length();
if (sbl > 0) {
char last = sb.charAt(sbl - 1);
if (" (.".indexOf(last) < 0
&& "().".indexOf(msg.charAt(0)) < 0)
sb.append(' ');
}
sb.append(msg);
}
}
}
log.log(level, sb.toString());
}
}
/* (non-Javadoc)
* @see com.att.inno.env.LogTarget#printf(java.lang.String, java.lang.String[])
*/
@Override
public void printf(String fmt, Object ... vars) {
if(log.isEnabledFor(level)) {
log.log(level,String.format(fmt,vars));
}
}
public static void setLog4JEnv(String loggerName, BasicEnv env) throws APIException {
env.fatal = new Log4JLogTarget(loggerName,Level.FATAL);
env.error = new Log4JLogTarget(loggerName,Level.ERROR);
env.warn = env.audit = env.init = new Log4JLogTarget(loggerName,Level.WARN);
env.info = new Log4JLogTarget(loggerName,Level.INFO);
env.debug = new Log4JLogTarget(loggerName,Level.DEBUG);
env.trace = new Log4JLogTarget(loggerName,Level.TRACE);
}
}
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