ch.qos.logback.classic.util.LoggerNameUtil Maven / Gradle / Ivy
/**
* 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.classic.util;
import ch.qos.logback.core.CoreConstants;
import java.util.ArrayList;
import java.util.List;
/**
* Utility class for analysing logger names.
*/
public class LoggerNameUtil {
public static int getFirstSeparatorIndexOf(String name) {
return getSeparatorIndexOf(name, 0);
}
/**
* Get the position of the separator character, if any, starting at position
* 'fromIndex'.
*
* @param name
* @param fromIndex
* @return
*/
public static int getSeparatorIndexOf(String name, int fromIndex) {
int dotIndex = name.indexOf(CoreConstants.DOT, fromIndex);
int dollarIndex = name.indexOf(CoreConstants.DOLLAR, fromIndex);
if (dotIndex == -1 && dollarIndex == -1)
return -1;
if (dotIndex == -1)
return dollarIndex;
if (dollarIndex == -1)
return dotIndex;
return dotIndex < dollarIndex ? dotIndex : dollarIndex;
}
public static List computeNameParts(String loggerName) {
List partList = new ArrayList();
int fromIndex = 0;
while (true) {
int index = getSeparatorIndexOf(loggerName, fromIndex);
if (index == -1) {
partList.add(loggerName.substring(fromIndex));
break;
}
partList.add(loggerName.substring(fromIndex, index));
fromIndex = index + 1;
}
return partList;
}
}