/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements.  See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License.  You may obtain a copy of the License at *  *      http://www.apache.org/licenses/LICENSE-2.0 *  * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package org.apache.log4j.util;import org.apache.oro.text.perl.Perl5Util;/** * The sun.reflect.* and java.lang.reflect.* lines are not present in all JDKs. *  * @author Ceki Gulcu */public class SunReflectFilter implements Filter {  Perl5Util util = new Perl5Util();  public String filter(String in) {    if(in == null) {      return null;    }    if (util.match("/at sun.reflect/", in)) {      return null;    }    if (in.indexOf("at java.lang.reflect.Method") >= 0) {      return null;    }    if (in.indexOf("Compiled Code") >= 0) {        if(in.indexOf("junit.framework.TestSuite") >= 0) {            return util.substitute("s/Compiled Code/TestSuite.java:XXX/", in);        }    }    if (util.match("/\\(Method.java:.*\\)/", in)) {      return util.substitute("s/\\(Method.java:.*\\)/(Native Method)/", in);    }    return in;  }}