1 | /**************************************************************** |
---|
2 | * Licensed to the Apache Software Foundation (ASF) under one * |
---|
3 | * or more contributor license agreements. See the NOTICE file * |
---|
4 | * distributed with this work for additional information * |
---|
5 | * regarding copyright ownership. The ASF licenses this file * |
---|
6 | * to you under the Apache License, Version 2.0 (the * |
---|
7 | * "License"); you may not use this file except in compliance * |
---|
8 | * with the License. You may obtain a copy of the License at * |
---|
9 | * * |
---|
10 | * http://www.apache.org/licenses/LICENSE-2.0 * |
---|
11 | * * |
---|
12 | * Unless required by applicable law or agreed to in writing, * |
---|
13 | * software distributed under the License is distributed on an * |
---|
14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * |
---|
15 | * KIND, either express or implied. See the License for the * |
---|
16 | * specific language governing permissions and limitations * |
---|
17 | * under the License. * |
---|
18 | ****************************************************************/ |
---|
19 | |
---|
20 | package org.apache.james.mime4j.field; |
---|
21 | |
---|
22 | import java.io.StringReader; |
---|
23 | import java.util.Collections; |
---|
24 | import java.util.Date; |
---|
25 | import java.util.HashMap; |
---|
26 | import java.util.List; |
---|
27 | import java.util.Locale; |
---|
28 | import java.util.Map; |
---|
29 | |
---|
30 | import org.apache.james.mime4j.codec.DecodeMonitor; |
---|
31 | import org.apache.james.mime4j.field.contentdisposition.parser.ContentDispositionParser; |
---|
32 | import org.apache.james.mime4j.field.contentdisposition.parser.ParseException; |
---|
33 | import org.apache.james.mime4j.field.contentdisposition.parser.TokenMgrError; |
---|
34 | import org.apache.james.mime4j.field.datetime.parser.DateTimeParser; |
---|
35 | import org.apache.james.mime4j.util.ByteSequence; |
---|
36 | |
---|
37 | /** |
---|
38 | * Represents a <code>Content-Disposition</code> field. |
---|
39 | */ |
---|
40 | public class ContentDispositionFieldImpl extends AbstractField implements org.apache.james.mime4j.dom.field.ContentDispositionField { |
---|
41 | |
---|
42 | private boolean parsed = false; |
---|
43 | |
---|
44 | private String dispositionType = ""; |
---|
45 | private Map<String, String> parameters = new HashMap<String, String>(); |
---|
46 | private ParseException parseException; |
---|
47 | |
---|
48 | private boolean creationDateParsed; |
---|
49 | private Date creationDate; |
---|
50 | |
---|
51 | private boolean modificationDateParsed; |
---|
52 | private Date modificationDate; |
---|
53 | |
---|
54 | private boolean readDateParsed; |
---|
55 | private Date readDate; |
---|
56 | |
---|
57 | ContentDispositionFieldImpl(String name, String body, ByteSequence raw, DecodeMonitor monitor) { |
---|
58 | super(name, body, raw, monitor); |
---|
59 | } |
---|
60 | |
---|
61 | /** |
---|
62 | * Gets the exception that was raised during parsing of the field value, if |
---|
63 | * any; otherwise, null. |
---|
64 | */ |
---|
65 | @Override |
---|
66 | public ParseException getParseException() { |
---|
67 | if (!parsed) |
---|
68 | parse(); |
---|
69 | |
---|
70 | return parseException; |
---|
71 | } |
---|
72 | |
---|
73 | /** |
---|
74 | * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getDispositionType() |
---|
75 | */ |
---|
76 | public String getDispositionType() { |
---|
77 | if (!parsed) |
---|
78 | parse(); |
---|
79 | |
---|
80 | return dispositionType; |
---|
81 | } |
---|
82 | |
---|
83 | /** |
---|
84 | * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getParameter(java.lang.String) |
---|
85 | */ |
---|
86 | public String getParameter(String name) { |
---|
87 | if (!parsed) |
---|
88 | parse(); |
---|
89 | |
---|
90 | return parameters.get(name.toLowerCase()); |
---|
91 | } |
---|
92 | |
---|
93 | /** |
---|
94 | * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getParameters() |
---|
95 | */ |
---|
96 | public Map<String, String> getParameters() { |
---|
97 | if (!parsed) |
---|
98 | parse(); |
---|
99 | |
---|
100 | return Collections.unmodifiableMap(parameters); |
---|
101 | } |
---|
102 | |
---|
103 | /** |
---|
104 | * @see org.apache.james.mime4j.dom.field.ContentDispositionField#isDispositionType(java.lang.String) |
---|
105 | */ |
---|
106 | public boolean isDispositionType(String dispositionType) { |
---|
107 | if (!parsed) |
---|
108 | parse(); |
---|
109 | |
---|
110 | return this.dispositionType.equalsIgnoreCase(dispositionType); |
---|
111 | } |
---|
112 | |
---|
113 | /** |
---|
114 | * @see org.apache.james.mime4j.dom.field.ContentDispositionField#isInline() |
---|
115 | */ |
---|
116 | public boolean isInline() { |
---|
117 | if (!parsed) |
---|
118 | parse(); |
---|
119 | |
---|
120 | return dispositionType.equals(DISPOSITION_TYPE_INLINE); |
---|
121 | } |
---|
122 | |
---|
123 | /** |
---|
124 | * @see org.apache.james.mime4j.dom.field.ContentDispositionField#isAttachment() |
---|
125 | */ |
---|
126 | public boolean isAttachment() { |
---|
127 | if (!parsed) |
---|
128 | parse(); |
---|
129 | |
---|
130 | return dispositionType.equals(DISPOSITION_TYPE_ATTACHMENT); |
---|
131 | } |
---|
132 | |
---|
133 | /** |
---|
134 | * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getFilename() |
---|
135 | */ |
---|
136 | public String getFilename() { |
---|
137 | return getParameter(PARAM_FILENAME); |
---|
138 | } |
---|
139 | |
---|
140 | /** |
---|
141 | * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getCreationDate() |
---|
142 | */ |
---|
143 | public Date getCreationDate() { |
---|
144 | if (!creationDateParsed) { |
---|
145 | creationDate = parseDate(PARAM_CREATION_DATE); |
---|
146 | creationDateParsed = true; |
---|
147 | } |
---|
148 | |
---|
149 | return creationDate; |
---|
150 | } |
---|
151 | |
---|
152 | /** |
---|
153 | * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getModificationDate() |
---|
154 | */ |
---|
155 | public Date getModificationDate() { |
---|
156 | if (!modificationDateParsed) { |
---|
157 | modificationDate = parseDate(PARAM_MODIFICATION_DATE); |
---|
158 | modificationDateParsed = true; |
---|
159 | } |
---|
160 | |
---|
161 | return modificationDate; |
---|
162 | } |
---|
163 | |
---|
164 | /** |
---|
165 | * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getReadDate() |
---|
166 | */ |
---|
167 | public Date getReadDate() { |
---|
168 | if (!readDateParsed) { |
---|
169 | readDate = parseDate(PARAM_READ_DATE); |
---|
170 | readDateParsed = true; |
---|
171 | } |
---|
172 | |
---|
173 | return readDate; |
---|
174 | } |
---|
175 | |
---|
176 | /** |
---|
177 | * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getSize() |
---|
178 | */ |
---|
179 | public long getSize() { |
---|
180 | String value = getParameter(PARAM_SIZE); |
---|
181 | if (value == null) |
---|
182 | return -1; |
---|
183 | |
---|
184 | try { |
---|
185 | long size = Long.parseLong(value); |
---|
186 | return size < 0 ? -1 : size; |
---|
187 | } catch (NumberFormatException e) { |
---|
188 | return -1; |
---|
189 | } |
---|
190 | } |
---|
191 | |
---|
192 | private Date parseDate(String paramName) { |
---|
193 | String value = getParameter(paramName); |
---|
194 | if (value == null) { |
---|
195 | monitor.warn("Parsing " + paramName + " null", "returning null"); |
---|
196 | return null; |
---|
197 | } |
---|
198 | |
---|
199 | try { |
---|
200 | return new DateTimeParser(new StringReader(value)).parseAll() |
---|
201 | .getDate(); |
---|
202 | } catch (org.apache.james.mime4j.field.datetime.parser.ParseException e) { |
---|
203 | monitor.warn("Parsing " + paramName + " '" + value + "': " |
---|
204 | + e.getMessage(), "returning null"); |
---|
205 | return null; |
---|
206 | } catch (org.apache.james.mime4j.field.datetime.parser.TokenMgrError e) { |
---|
207 | monitor.warn("Parsing " + paramName + " '" + value + "': " |
---|
208 | + e.getMessage(), "returning null"); |
---|
209 | return null; |
---|
210 | } |
---|
211 | } |
---|
212 | |
---|
213 | private void parse() { |
---|
214 | String body = getBody(); |
---|
215 | |
---|
216 | ContentDispositionParser parser = new ContentDispositionParser( |
---|
217 | new StringReader(body)); |
---|
218 | try { |
---|
219 | parser.parseAll(); |
---|
220 | } catch (ParseException e) { |
---|
221 | parseException = e; |
---|
222 | } catch (TokenMgrError e) { |
---|
223 | parseException = new ParseException(e.getMessage()); |
---|
224 | } |
---|
225 | |
---|
226 | final String dispositionType = parser.getDispositionType(); |
---|
227 | |
---|
228 | if (dispositionType != null) { |
---|
229 | this.dispositionType = dispositionType.toLowerCase(Locale.US); |
---|
230 | |
---|
231 | List<String> paramNames = parser.getParamNames(); |
---|
232 | List<String> paramValues = parser.getParamValues(); |
---|
233 | |
---|
234 | if (paramNames != null && paramValues != null) { |
---|
235 | final int len = Math.min(paramNames.size(), paramValues.size()); |
---|
236 | for (int i = 0; i < len; i++) { |
---|
237 | String paramName = paramNames.get(i).toLowerCase(Locale.US); |
---|
238 | String paramValue = paramValues.get(i); |
---|
239 | parameters.put(paramName, paramValue); |
---|
240 | } |
---|
241 | } |
---|
242 | } |
---|
243 | |
---|
244 | parsed = true; |
---|
245 | } |
---|
246 | |
---|
247 | static final FieldParser<ContentDispositionFieldImpl> PARSER = new FieldParser<ContentDispositionFieldImpl>() { |
---|
248 | public ContentDispositionFieldImpl parse(final String name, final String body, |
---|
249 | final ByteSequence raw, DecodeMonitor monitor) { |
---|
250 | return new ContentDispositionFieldImpl(name, body, raw, monitor); |
---|
251 | } |
---|
252 | }; |
---|
253 | } |
---|