001/**************************************************************** 002 * Licensed to the Apache Software Foundation (ASF) under one * 003 * or more contributor license agreements. See the NOTICE file * 004 * distributed with this work for additional information * 005 * regarding copyright ownership. The ASF licenses this file * 006 * to you under the Apache License, Version 2.0 (the * 007 * "License"); you may not use this file except in compliance * 008 * with the License. You may obtain a copy of the License at * 009 * * 010 * http://www.apache.org/licenses/LICENSE-2.0 * 011 * * 012 * Unless required by applicable law or agreed to in writing, * 013 * software distributed under the License is distributed on an * 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 015 * KIND, either express or implied. See the License for the * 016 * specific language governing permissions and limitations * 017 * under the License. * 018 ****************************************************************/ 019 020package org.apache.james.mime4j.codec; 021 022/** 023 * This class is used to drive how decoder/parser should deal with malformed 024 * and unexpected data. 025 * 026 * 2 basic implementations are provided: 027 * <ul> 028 * <li>{@link #STRICT} return "true" on any occurrence</li> 029 * <li>{@link #SILENT} ignores any problem</li> 030 * </ul> 031 */ 032public class DecodeMonitor { 033 034 /** 035 * The STRICT monitor throws an exception on every event. 036 */ 037 public static final DecodeMonitor STRICT = new DecodeMonitor() { 038 039 @Override 040 public boolean warn(String error, String dropDesc) { 041 return true; 042 } 043 044 @Override 045 public boolean isListening() { 046 return true; 047 } 048 }; 049 050 /** 051 * The SILENT monitor ignore requests. 052 */ 053 public static final DecodeMonitor SILENT = new DecodeMonitor(); 054 055 public boolean warn(String error, String dropDesc) { 056 return false; 057 } 058 059 public boolean isListening() { 060 return false; 061 } 062 063}