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14 package org.eclipse.jetty.http;
15
16 import java.util.Enumeration;
17 import java.util.HashMap;
18 import java.util.Iterator;
19 import java.util.Map;
20 import java.util.MissingResourceException;
21 import java.util.ResourceBundle;
22
23 import org.eclipse.jetty.io.Buffer;
24 import org.eclipse.jetty.io.BufferCache;
25 import org.eclipse.jetty.io.BufferCache.CachedBuffer;
26 import org.eclipse.jetty.util.StringUtil;
27 import org.eclipse.jetty.util.log.Log;
28
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31
32
33
34 public class MimeTypes
35 {
36 public final static String
37 FORM_ENCODED="application/x-www-form-urlencoded",
38 MESSAGE_HTTP="message/http",
39 MULTIPART_BYTERANGES="multipart/byteranges",
40
41 TEXT_HTML="text/html",
42 TEXT_PLAIN="text/plain",
43 TEXT_XML="text/xml",
44 TEXT_JSON="text/json",
45
46 TEXT_HTML_8859_1="text/html;charset=ISO-8859-1",
47 TEXT_PLAIN_8859_1="text/plain;charset=ISO-8859-1",
48 TEXT_XML_8859_1="text/xml;charset=ISO-8859-1",
49
50 TEXT_HTML_UTF_8="text/html;charset=UTF-8",
51 TEXT_PLAIN_UTF_8="text/plain;charset=UTF-8",
52 TEXT_XML_UTF_8="text/xml;charset=UTF-8",
53 TEXT_JSON_UTF_8="text/json;charset=UTF-8";
54
55 private final static String
56 TEXT_HTML__8859_1="text/html; charset=ISO-8859-1",
57 TEXT_PLAIN__8859_1="text/plain; charset=ISO-8859-1",
58 TEXT_XML__8859_1="text/xml; charset=ISO-8859-1",
59 TEXT_HTML__UTF_8="text/html; charset=UTF-8",
60 TEXT_PLAIN__UTF_8="text/plain; charset=UTF-8",
61 TEXT_XML__UTF_8="text/xml; charset=UTF-8",
62 TEXT_JSON__UTF_8="text/json; charset=UTF-8";
63
64 private final static int
65 FORM_ENCODED_ORDINAL=1,
66 MESSAGE_HTTP_ORDINAL=2,
67 MULTIPART_BYTERANGES_ORDINAL=3,
68
69 TEXT_HTML_ORDINAL=4,
70 TEXT_PLAIN_ORDINAL=5,
71 TEXT_XML_ORDINAL=6,
72 TEXT_JSON_ORDINAL=7,
73
74 TEXT_HTML_8859_1_ORDINAL=8,
75 TEXT_PLAIN_8859_1_ORDINAL=9,
76 TEXT_XML_8859_1_ORDINAL=10,
77
78 TEXT_HTML_UTF_8_ORDINAL=11,
79 TEXT_PLAIN_UTF_8_ORDINAL=12,
80 TEXT_XML_UTF_8_ORDINAL=13,
81 TEXT_JSON_UTF_8_ORDINAL=14;
82
83 private static int __index=15;
84
85 public final static BufferCache CACHE = new BufferCache();
86
87 public final static CachedBuffer
88 FORM_ENCODED_BUFFER=CACHE.add(FORM_ENCODED,FORM_ENCODED_ORDINAL),
89 MESSAGE_HTTP_BUFFER=CACHE.add(MESSAGE_HTTP, MESSAGE_HTTP_ORDINAL),
90 MULTIPART_BYTERANGES_BUFFER=CACHE.add(MULTIPART_BYTERANGES,MULTIPART_BYTERANGES_ORDINAL),
91
92 TEXT_HTML_BUFFER=CACHE.add(TEXT_HTML,TEXT_HTML_ORDINAL),
93 TEXT_PLAIN_BUFFER=CACHE.add(TEXT_PLAIN,TEXT_PLAIN_ORDINAL),
94 TEXT_XML_BUFFER=CACHE.add(TEXT_XML,TEXT_XML_ORDINAL),
95 TEXT_JSON_BUFFER=CACHE.add(TEXT_JSON,TEXT_JSON_ORDINAL),
96
97 TEXT_HTML_8859_1_BUFFER=CACHE.add(TEXT_HTML_8859_1,TEXT_HTML_8859_1_ORDINAL),
98 TEXT_PLAIN_8859_1_BUFFER=CACHE.add(TEXT_PLAIN_8859_1,TEXT_PLAIN_8859_1_ORDINAL),
99 TEXT_XML_8859_1_BUFFER=CACHE.add(TEXT_XML_8859_1,TEXT_XML_8859_1_ORDINAL),
100
101 TEXT_HTML_UTF_8_BUFFER=CACHE.add(TEXT_HTML_UTF_8,TEXT_HTML_UTF_8_ORDINAL),
102 TEXT_PLAIN_UTF_8_BUFFER=CACHE.add(TEXT_PLAIN_UTF_8,TEXT_PLAIN_UTF_8_ORDINAL),
103 TEXT_XML_UTF_8_BUFFER=CACHE.add(TEXT_XML_UTF_8,TEXT_XML_UTF_8_ORDINAL),
104 TEXT_JSON_UTF_8_BUFFER=CACHE.add(TEXT_JSON_UTF_8,TEXT_JSON_UTF_8_ORDINAL),
105
106 TEXT_HTML__8859_1_BUFFER=CACHE.add(TEXT_HTML__8859_1,TEXT_HTML_8859_1_ORDINAL),
107 TEXT_PLAIN__8859_1_BUFFER=CACHE.add(TEXT_PLAIN__8859_1,TEXT_PLAIN_8859_1_ORDINAL),
108 TEXT_XML__8859_1_BUFFER=CACHE.add(TEXT_XML__8859_1,TEXT_XML_8859_1_ORDINAL),
109
110 TEXT_HTML__UTF_8_BUFFER=CACHE.add(TEXT_HTML__UTF_8,TEXT_HTML_UTF_8_ORDINAL),
111 TEXT_PLAIN__UTF_8_BUFFER=CACHE.add(TEXT_PLAIN__UTF_8,TEXT_PLAIN_UTF_8_ORDINAL),
112 TEXT_XML__UTF_8_BUFFER=CACHE.add(TEXT_XML__UTF_8,TEXT_XML_UTF_8_ORDINAL),
113 TEXT_JSON__UTF_8_BUFFER=CACHE.add(TEXT_JSON__UTF_8,TEXT_JSON_UTF_8_ORDINAL);
114
115
116
117
118 private final static Map __dftMimeMap = new HashMap();
119 private final static Map __encodings = new HashMap();
120 static
121 {
122 try
123 {
124 ResourceBundle mime = ResourceBundle.getBundle("org/eclipse/jetty/http/mime");
125 Enumeration i = mime.getKeys();
126 while(i.hasMoreElements())
127 {
128 String ext = (String)i.nextElement();
129 String m = mime.getString(ext);
130 __dftMimeMap.put(StringUtil.asciiToLowerCase(ext),normalizeMimeType(m));
131 }
132 }
133 catch(MissingResourceException e)
134 {
135 Log.warn(e.toString());
136 Log.debug(e);
137 }
138
139 try
140 {
141 ResourceBundle encoding = ResourceBundle.getBundle("org/eclipse/jetty/http/encoding");
142 Enumeration i = encoding.getKeys();
143 while(i.hasMoreElements())
144 {
145 Buffer type = normalizeMimeType((String)i.nextElement());
146 __encodings.put(type,encoding.getString(type.toString()));
147 }
148 }
149 catch(MissingResourceException e)
150 {
151 Log.warn(e.toString());
152 Log.debug(e);
153 }
154
155
156 TEXT_HTML_BUFFER.setAssociate("ISO-8859-1",TEXT_HTML_8859_1_BUFFER);
157 TEXT_HTML_BUFFER.setAssociate("ISO_8859_1",TEXT_HTML_8859_1_BUFFER);
158 TEXT_HTML_BUFFER.setAssociate("iso-8859-1",TEXT_HTML_8859_1_BUFFER);
159 TEXT_PLAIN_BUFFER.setAssociate("ISO-8859-1",TEXT_PLAIN_8859_1_BUFFER);
160 TEXT_PLAIN_BUFFER.setAssociate("ISO_8859_1",TEXT_PLAIN_8859_1_BUFFER);
161 TEXT_PLAIN_BUFFER.setAssociate("iso-8859-1",TEXT_PLAIN_8859_1_BUFFER);
162 TEXT_XML_BUFFER.setAssociate("ISO-8859-1",TEXT_XML_8859_1_BUFFER);
163 TEXT_XML_BUFFER.setAssociate("ISO_8859_1",TEXT_XML_8859_1_BUFFER);
164 TEXT_XML_BUFFER.setAssociate("iso-8859-1",TEXT_XML_8859_1_BUFFER);
165
166 TEXT_HTML_BUFFER.setAssociate("UTF-8",TEXT_HTML_UTF_8_BUFFER);
167 TEXT_HTML_BUFFER.setAssociate("UTF8",TEXT_HTML_UTF_8_BUFFER);
168 TEXT_HTML_BUFFER.setAssociate("utf8",TEXT_HTML_UTF_8_BUFFER);
169 TEXT_HTML_BUFFER.setAssociate("utf-8",TEXT_HTML_UTF_8_BUFFER);
170 TEXT_PLAIN_BUFFER.setAssociate("UTF-8",TEXT_PLAIN_UTF_8_BUFFER);
171 TEXT_PLAIN_BUFFER.setAssociate("UTF8",TEXT_PLAIN_UTF_8_BUFFER);
172 TEXT_PLAIN_BUFFER.setAssociate("utf8",TEXT_PLAIN_UTF_8_BUFFER);
173 TEXT_PLAIN_BUFFER.setAssociate("utf-8",TEXT_PLAIN_UTF_8_BUFFER);
174 TEXT_XML_BUFFER.setAssociate("UTF-8",TEXT_XML_UTF_8_BUFFER);
175 TEXT_XML_BUFFER.setAssociate("UTF8",TEXT_XML_UTF_8_BUFFER);
176 TEXT_XML_BUFFER.setAssociate("utf8",TEXT_XML_UTF_8_BUFFER);
177 TEXT_XML_BUFFER.setAssociate("utf-8",TEXT_XML_UTF_8_BUFFER);
178 TEXT_JSON_BUFFER.setAssociate("UTF-8",TEXT_JSON_UTF_8_BUFFER);
179 TEXT_JSON_BUFFER.setAssociate("UTF8",TEXT_JSON_UTF_8_BUFFER);
180 TEXT_JSON_BUFFER.setAssociate("utf8",TEXT_JSON_UTF_8_BUFFER);
181 TEXT_JSON_BUFFER.setAssociate("utf-8",TEXT_JSON_UTF_8_BUFFER);
182 }
183
184
185
186 private Map _mimeMap;
187
188
189
190
191 public MimeTypes()
192 {
193 }
194
195
196 public synchronized Map getMimeMap()
197 {
198 return _mimeMap;
199 }
200
201
202
203
204
205 public void setMimeMap(Map mimeMap)
206 {
207 if (mimeMap==null)
208 {
209 _mimeMap=null;
210 return;
211 }
212
213 Map m=new HashMap();
214 Iterator i=mimeMap.entrySet().iterator();
215 while (i.hasNext())
216 {
217 Map.Entry entry = (Map.Entry)i.next();
218 m.put(entry.getKey(),normalizeMimeType(entry.getValue().toString()));
219 }
220 _mimeMap=m;
221 }
222
223
224
225
226
227
228
229 public Buffer getMimeByExtension(String filename)
230 {
231 Buffer type=null;
232
233 if (filename!=null)
234 {
235 int i=-1;
236 while(type==null)
237 {
238 i=filename.indexOf(".",i+1);
239
240 if (i<0 || i>=filename.length())
241 break;
242
243 String ext=StringUtil.asciiToLowerCase(filename.substring(i+1));
244 if (_mimeMap!=null)
245 type = (Buffer)_mimeMap.get(ext);
246 if (type==null)
247 type=(Buffer)__dftMimeMap.get(ext);
248 }
249 }
250
251 if (type==null)
252 {
253 if (_mimeMap!=null)
254 type=(Buffer)_mimeMap.get("*");
255 if (type==null)
256 type=(Buffer)__dftMimeMap.get("*");
257 }
258
259 return type;
260 }
261
262
263
264
265
266
267 public void addMimeMapping(String extension,String type)
268 {
269 if (_mimeMap==null)
270 _mimeMap=new HashMap();
271
272 _mimeMap.put(StringUtil.asciiToLowerCase(extension),normalizeMimeType(type));
273 }
274
275
276 private static synchronized Buffer normalizeMimeType(String type)
277 {
278 Buffer b =CACHE.get(type);
279 if (b==null)
280 b=CACHE.add(type,__index++);
281 return b;
282 }
283
284
285 public static String getCharsetFromContentType(Buffer value)
286 {
287 if (value instanceof CachedBuffer)
288 {
289 switch(((CachedBuffer)value).getOrdinal())
290 {
291 case TEXT_HTML_8859_1_ORDINAL:
292 case TEXT_PLAIN_8859_1_ORDINAL:
293 case TEXT_XML_8859_1_ORDINAL:
294 return StringUtil.__ISO_8859_1;
295
296 case TEXT_JSON_ORDINAL:
297 case TEXT_HTML_UTF_8_ORDINAL:
298 case TEXT_PLAIN_UTF_8_ORDINAL:
299 case TEXT_XML_UTF_8_ORDINAL:
300 case TEXT_JSON_UTF_8_ORDINAL:
301 return StringUtil.__UTF8;
302 }
303 }
304
305 int i=value.getIndex();
306 int end=value.putIndex();
307 int state=0;
308 int start=0;
309 boolean quote=false;
310 for (;i<end;i++)
311 {
312 byte b = value.peek(i);
313
314 if (quote && state!=10)
315 {
316 if ('"'==b)
317 quote=false;
318 continue;
319 }
320
321 switch(state)
322 {
323 case 0:
324 if ('"'==b)
325 {
326 quote=true;
327 break;
328 }
329 if (';'==b)
330 state=1;
331 break;
332
333 case 1: if ('c'==b) state=2; else if (' '!=b) state=0; break;
334 case 2: if ('h'==b) state=3; else state=0;break;
335 case 3: if ('a'==b) state=4; else state=0;break;
336 case 4: if ('r'==b) state=5; else state=0;break;
337 case 5: if ('s'==b) state=6; else state=0;break;
338 case 6: if ('e'==b) state=7; else state=0;break;
339 case 7: if ('t'==b) state=8; else state=0;break;
340
341 case 8: if ('='==b) state=9; else if (' '!=b) state=0; break;
342
343 case 9:
344 if (' '==b)
345 break;
346 if ('"'==b)
347 {
348 quote=true;
349 start=i+1;
350 state=10;
351 break;
352 }
353 start=i;
354 state=10;
355 break;
356
357 case 10:
358 if (!quote && (';'==b || ' '==b )||
359 (quote && '"'==b ))
360 return CACHE.lookup(value.peek(start,i-start)).toString();
361 }
362 }
363
364 if (state==10)
365 return CACHE.lookup(value.peek(start,i-start)).toString();
366 return null;
367 }
368 }