/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2015, 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.core.pattern;
import ch.qos.logback.core.Context;
import ch.qos.logback.core.spi.ContextAware;
public class ConverterUtil {
/**
* Start converters in the chain of converters.
*
* @param head
*/
public static <E> void startConverters(Converter<E> head) {
Converter<E> c = head;
while (c != null) {
// CompositeConverter is a subclass of DynamicConverter
if (c instanceof CompositeConverter) {
CompositeConverter<E> cc = (CompositeConverter<E>) c;
Converter<E> childConverter = cc.childConverter;
startConverters(childConverter);
cc.start();
} else if (c instanceof DynamicConverter) {
DynamicConverter<E> dc = (DynamicConverter<E>) c;
dc.start();
}
c = c.getNext();
}
}
public static <E> Converter<E> findTail(Converter<E> head) {
Converter<E> p = head;
while (p != null) {
Converter<E> next = p.getNext();
if (next == null) {
break;
} else {
p = next;
}
}
return p;
}
public static <E> void setContextForConverters(Context context, Converter<E> head) {
Converter<E> c = head;
while (c != null) {
if (c instanceof ContextAware) {
((ContextAware) c).setContext(context);
}
c = c.getNext();
}
}
}