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002 * Licensed to the Apache Software Foundation (ASF) under one   *
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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 *                                                              *
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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}