/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2013, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.pattern;
import java.util.Map;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.classic.spi.LoggerContextVO;
public final class PropertyConverter extends ClassicConverter {
String key;
public void start() {
String optStr = getFirstOption();
if (optStr != null) {
key = optStr;
super.start();
}
}
public String convert(ILoggingEvent event) {
if (key == null) {
return "Property_HAS_NO_KEY";
} else {
LoggerContextVO lcvo = event.getLoggerContextVO();
Map<String, String> map = lcvo.getPropertyMap();
String val = map.get(key);
if (val != null) {
return val;
} else {
return System.getProperty(key);
}
}
}
}