1 | /**************************************************************** |
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2 | * Licensed to the Apache Software Foundation (ASF) under one * |
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3 | * or more contributor license agreements. See the NOTICE file * |
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4 | * distributed with this work for additional information * |
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5 | * regarding copyright ownership. The ASF licenses this file * |
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6 | * to you under the Apache License, Version 2.0 (the * |
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7 | * "License"); you may not use this file except in compliance * |
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8 | * with the License. You may obtain a copy of the License at * |
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9 | * * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 * |
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11 | * * |
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12 | * Unless required by applicable law or agreed to in writing, * |
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13 | * software distributed under the License is distributed on an * |
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14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * |
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15 | * KIND, either express or implied. See the License for the * |
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16 | * specific language governing permissions and limitations * |
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17 | * under the License. * |
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18 | ****************************************************************/ |
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19 | |
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20 | package org.apache.james.mime4j.codec; |
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21 | |
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22 | |
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23 | /** |
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24 | * This class is used to drive how decoder/parser should deal with malformed |
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25 | * and unexpected data. |
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26 | * |
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27 | * 2 basic implementations are provided: |
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28 | * STRICT return "true" on any occourence. |
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29 | * SILENT ignores any problem. |
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30 | * |
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31 | * @see org.apache.james.mime4j.field.LoggingMonitor for an example |
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32 | * about logging malformations via Commons-logging. |
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33 | */ |
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34 | public class DecodeMonitor { |
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35 | |
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36 | /** |
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37 | * The STRICT monitor throws an exception on every event. |
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38 | */ |
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39 | public static final DecodeMonitor STRICT = new DecodeMonitor() { |
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40 | |
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41 | @Override |
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42 | public boolean warn(String error, String dropDesc) { |
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43 | return true; |
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44 | } |
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45 | |
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46 | @Override |
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47 | public boolean isListening() { |
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48 | return true; |
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49 | } |
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50 | }; |
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51 | |
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52 | /** |
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53 | * The SILENT monitor ignore requests. |
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54 | */ |
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55 | public static final DecodeMonitor SILENT = new DecodeMonitor(); |
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56 | |
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57 | public boolean warn(String error, String dropDesc) { |
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58 | return false; |
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59 | } |
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60 | |
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61 | public boolean isListening() { |
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62 | return false; |
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63 | } |
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64 | |
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65 | } |
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