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1 /* |
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2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package com.sun.xml.internal.org.jvnet.mimepull; |
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27 |
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28 import java.nio.ByteBuffer; |
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29 |
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30 /** |
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31 * @author Jitendra Kotamraju |
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32 */ |
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33 abstract class MIMEEvent { |
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34 |
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35 enum EVENT_TYPE {START_MESSAGE, START_PART, HEADERS, CONTENT, END_PART, END_MESSAGE} |
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36 |
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37 /** |
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38 * Returns a event for parser's current cursor location in the MIME message. |
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39 * |
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40 * <p> |
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41 * {@link EVENT_TYPE#START_MESSAGE} and {@link EVENT_TYPE#START_MESSAGE} events |
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42 * are generated only once. |
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43 * |
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44 * <p> |
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45 * {@link EVENT_TYPE#START_PART}, {@link EVENT_TYPE#END_PART}, {@link EVENT_TYPE#HEADERS} |
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46 * events are generated only once for each attachment part. |
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47 * |
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48 * <p> |
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49 * {@link EVENT_TYPE#CONTENT} event may be generated more than once for an attachment |
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50 * part. |
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51 * |
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52 * @return event type |
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53 */ |
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54 abstract EVENT_TYPE getEventType(); |
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55 |
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56 static final StartMessage START_MESSAGE = new StartMessage(); |
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57 static final StartPart START_PART = new StartPart(); |
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58 static final EndPart END_PART = new EndPart(); |
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59 static final EndMessage END_MESSAGE = new EndMessage(); |
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60 |
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61 static final class StartMessage extends MIMEEvent { |
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62 EVENT_TYPE getEventType() { |
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63 return EVENT_TYPE.START_MESSAGE; |
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64 } |
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65 } |
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66 |
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67 static final class StartPart extends MIMEEvent { |
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68 EVENT_TYPE getEventType() { |
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69 return EVENT_TYPE.START_PART; |
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70 } |
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71 } |
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72 |
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73 static final class EndPart extends MIMEEvent { |
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74 EVENT_TYPE getEventType () { |
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75 return EVENT_TYPE.END_PART; |
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76 } |
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77 } |
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78 |
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79 static final class Headers extends MIMEEvent { |
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80 InternetHeaders ih; |
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81 |
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82 Headers(InternetHeaders ih) { |
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83 this.ih = ih; |
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84 } |
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85 |
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86 EVENT_TYPE getEventType() { |
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87 return EVENT_TYPE.HEADERS; |
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88 } |
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89 |
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90 InternetHeaders getHeaders() { |
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91 return ih; |
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92 } |
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93 } |
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94 |
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95 static final class Content extends MIMEEvent { |
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96 private final ByteBuffer buf; |
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97 |
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98 Content(ByteBuffer buf) { |
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99 this.buf = buf; |
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100 } |
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101 |
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102 EVENT_TYPE getEventType() { |
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103 return EVENT_TYPE.CONTENT; |
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104 } |
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105 |
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106 ByteBuffer getData() { |
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107 return buf; |
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108 } |
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109 } |
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110 |
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111 static final class EndMessage extends MIMEEvent { |
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112 EVENT_TYPE getEventType() { |
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113 return EVENT_TYPE.END_MESSAGE; |
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114 } |
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115 } |
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116 |
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117 } |