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.stream; |
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21 | |
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22 | /** |
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23 | * Enumerates events which can be monitored. |
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24 | */ |
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25 | public final class Event { |
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26 | |
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27 | /** Indicates that a body part ended prematurely. */ |
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28 | public static final Event MIME_BODY_PREMATURE_END |
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29 | = new Event("Body part ended prematurely. " + |
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30 | "Boundary detected in header or EOF reached."); |
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31 | /** Indicates that unexpected end of headers detected.*/ |
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32 | public static final Event HEADERS_PREMATURE_END |
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33 | = new Event("Unexpected end of headers detected. " + |
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34 | "Higher level boundary detected or EOF reached."); |
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35 | /** Indicates that unexpected end of headers detected.*/ |
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36 | public static final Event INVALID_HEADER |
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37 | = new Event("Invalid header encountered"); |
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38 | /** Indicates that an obsolete syntax header has been detected */ |
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39 | public static final Event OBSOLETE_HEADER |
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40 | = new Event("Obsolete header encountered"); |
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41 | |
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42 | private final String code; |
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43 | |
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44 | public Event(final String code) { |
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45 | super(); |
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46 | if (code == null) { |
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47 | throw new IllegalArgumentException("Code may not be null"); |
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48 | } |
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49 | this.code = code; |
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50 | } |
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51 | |
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52 | @Override |
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53 | public int hashCode() { |
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54 | return code.hashCode(); |
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55 | } |
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56 | |
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57 | @Override |
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58 | public boolean equals(Object obj) { |
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59 | if (obj == null) return false; |
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60 | if (this == obj) return true; |
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61 | if (obj instanceof Event) { |
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62 | Event that = (Event) obj; |
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63 | return this.code.equals(that.code); |
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64 | } else { |
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65 | return false; |
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66 | } |
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67 | } |
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68 | |
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69 | @Override |
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70 | public String toString() { |
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71 | return code; |
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72 | } |
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73 | |
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74 | } |
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