/**
* 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.access.pattern;
import ch.qos.logback.access.spi.IAccessEvent;
import ch.qos.logback.core.Context;
import ch.qos.logback.core.pattern.Converter;
import ch.qos.logback.core.pattern.ConverterUtil;
import ch.qos.logback.core.pattern.PostCompileProcessor;
public class EnsureLineSeparation implements PostCompileProcessor<IAccessEvent> {
/**
* Add a line separator converter so that access event appears on a separate
* line.
*/
@Override
public void process(Context context, Converter<IAccessEvent> head) {
if (head == null)
throw new IllegalArgumentException("Empty converter chain");
// if head != null, then tail != null as well
Converter<IAccessEvent> tail = ConverterUtil.findTail(head);
Converter<IAccessEvent> newLineConverter = new LineSeparatorConverter();
if (!(tail instanceof LineSeparatorConverter)) {
tail.setNext(newLineConverter);
}
}
}