001/**
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v1.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014package ch.qos.logback.classic.pattern;
015
016import ch.qos.logback.core.CoreConstants;
017
018/**
019 * This abbreviator returns the class name from a fully qualified class name,
020 * removing the leading package name.
021 * 
022 * @author Ceki Gülcü
023 */
024public class ClassNameOnlyAbbreviator implements Abbreviator {
025
026    public String abbreviate(String fqClassName) {
027        // we ignore the fact that the separator character can also be a dollar
028        // If the inner class is org.good.AClass#Inner, returning
029        // AClass#Inner seems most appropriate
030        int lastIndex = fqClassName.lastIndexOf(CoreConstants.DOT);
031        if (lastIndex != -1) {
032            return fqClassName.substring(lastIndex + 1, fqClassName.length());
033        } else {
034            return fqClassName;
035        }
036    }
037}