| /* |
| * Copyright 1999,2004 The Apache Software Foundation. |
| * |
| * Licensed 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; |
| |
| |
| public class ControlFilter implements Filter { |
| Perl5Util util = new Perl5Util(); |
| String[] allowedPatterns; |
| |
| public ControlFilter(String[] allowedPatterns) { |
| this.allowedPatterns = allowedPatterns; |
| } |
| |
| public String filter(String in) throws UnexpectedFormatException { |
| int len = allowedPatterns.length; |
| |
| for (int i = 0; i < len; i++) { |
| //System.out.println("["+allowedPatterns[i]+"]"); |
| if (util.match("/" + allowedPatterns[i] + "/", in)) { |
| //System.out.println("["+in+"] matched ["+allowedPatterns[i]); |
| return in; |
| } |
| } |
| |
| throw new UnexpectedFormatException("[" + in + "]"); |
| } |
| } |