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19 package org.eclipse.jetty.http;
20
21 import java.util.Enumeration;
22 import java.util.HashMap;
23 import java.util.Iterator;
24 import java.util.Map;
25 import java.util.MissingResourceException;
26 import java.util.ResourceBundle;
27
28 import org.eclipse.jetty.io.Buffer;
29 import org.eclipse.jetty.io.BufferCache;
30 import org.eclipse.jetty.io.BufferCache.CachedBuffer;
31 import org.eclipse.jetty.util.StringUtil;
32 import org.eclipse.jetty.util.log.Log;
33 import org.eclipse.jetty.util.log.Logger;
34
35
36
37
38
39
40 public class MimeTypes
41 {
42 private static final Logger LOG = Log.getLogger(MimeTypes.class);
43
44 public final static String
45 FORM_ENCODED="application/x-www-form-urlencoded",
46 MESSAGE_HTTP="message/http",
47 MULTIPART_BYTERANGES="multipart/byteranges",
48
49 TEXT_HTML="text/html",
50 TEXT_PLAIN="text/plain",
51 TEXT_XML="text/xml",
52 TEXT_JSON="text/json",
53
54 TEXT_HTML_8859_1="text/html;charset=ISO-8859-1",
55 TEXT_PLAIN_8859_1="text/plain;charset=ISO-8859-1",
56 TEXT_XML_8859_1="text/xml;charset=ISO-8859-1",
57
58 TEXT_HTML_UTF_8="text/html;charset=UTF-8",
59 TEXT_PLAIN_UTF_8="text/plain;charset=UTF-8",
60 TEXT_XML_UTF_8="text/xml;charset=UTF-8",
61 TEXT_JSON_UTF_8="text/json;charset=UTF-8";
62
63 private final static String
64 TEXT_HTML__8859_1="text/html; charset=ISO-8859-1",
65 TEXT_PLAIN__8859_1="text/plain; charset=ISO-8859-1",
66 TEXT_XML__8859_1="text/xml; charset=ISO-8859-1",
67 TEXT_HTML__UTF_8="text/html; charset=UTF-8",
68 TEXT_PLAIN__UTF_8="text/plain; charset=UTF-8",
69 TEXT_XML__UTF_8="text/xml; charset=UTF-8",
70 TEXT_JSON__UTF_8="text/json; charset=UTF-8";
71
72 private final static int
73 FORM_ENCODED_ORDINAL=1,
74 MESSAGE_HTTP_ORDINAL=2,
75 MULTIPART_BYTERANGES_ORDINAL=3,
76
77 TEXT_HTML_ORDINAL=4,
78 TEXT_PLAIN_ORDINAL=5,
79 TEXT_XML_ORDINAL=6,
80 TEXT_JSON_ORDINAL=7,
81
82 TEXT_HTML_8859_1_ORDINAL=8,
83 TEXT_PLAIN_8859_1_ORDINAL=9,
84 TEXT_XML_8859_1_ORDINAL=10,
85
86 TEXT_HTML_UTF_8_ORDINAL=11,
87 TEXT_PLAIN_UTF_8_ORDINAL=12,
88 TEXT_XML_UTF_8_ORDINAL=13,
89 TEXT_JSON_UTF_8_ORDINAL=14;
90
91 private static int __index=15;
92
93 public final static BufferCache CACHE = new BufferCache();
94
95 public final static CachedBuffer
96 FORM_ENCODED_BUFFER=CACHE.add(FORM_ENCODED,FORM_ENCODED_ORDINAL),
97 MESSAGE_HTTP_BUFFER=CACHE.add(MESSAGE_HTTP, MESSAGE_HTTP_ORDINAL),
98 MULTIPART_BYTERANGES_BUFFER=CACHE.add(MULTIPART_BYTERANGES,MULTIPART_BYTERANGES_ORDINAL),
99
100 TEXT_HTML_BUFFER=CACHE.add(TEXT_HTML,TEXT_HTML_ORDINAL),
101 TEXT_PLAIN_BUFFER=CACHE.add(TEXT_PLAIN,TEXT_PLAIN_ORDINAL),
102 TEXT_XML_BUFFER=CACHE.add(TEXT_XML,TEXT_XML_ORDINAL),
103 TEXT_JSON_BUFFER=CACHE.add(TEXT_JSON,TEXT_JSON_ORDINAL),
104
105 TEXT_HTML_8859_1_BUFFER=CACHE.add(TEXT_HTML_8859_1,TEXT_HTML_8859_1_ORDINAL),
106 TEXT_PLAIN_8859_1_BUFFER=CACHE.add(TEXT_PLAIN_8859_1,TEXT_PLAIN_8859_1_ORDINAL),
107 TEXT_XML_8859_1_BUFFER=CACHE.add(TEXT_XML_8859_1,TEXT_XML_8859_1_ORDINAL),
108
109 TEXT_HTML_UTF_8_BUFFER=CACHE.add(TEXT_HTML_UTF_8,TEXT_HTML_UTF_8_ORDINAL),
110 TEXT_PLAIN_UTF_8_BUFFER=CACHE.add(TEXT_PLAIN_UTF_8,TEXT_PLAIN_UTF_8_ORDINAL),
111 TEXT_XML_UTF_8_BUFFER=CACHE.add(TEXT_XML_UTF_8,TEXT_XML_UTF_8_ORDINAL),
112 TEXT_JSON_UTF_8_BUFFER=CACHE.add(TEXT_JSON_UTF_8,TEXT_JSON_UTF_8_ORDINAL),
113
114 TEXT_HTML__8859_1_BUFFER=CACHE.add(TEXT_HTML__8859_1,TEXT_HTML_8859_1_ORDINAL),
115 TEXT_PLAIN__8859_1_BUFFER=CACHE.add(TEXT_PLAIN__8859_1,TEXT_PLAIN_8859_1_ORDINAL),
116 TEXT_XML__8859_1_BUFFER=CACHE.add(TEXT_XML__8859_1,TEXT_XML_8859_1_ORDINAL),
117
118 TEXT_HTML__UTF_8_BUFFER=CACHE.add(TEXT_HTML__UTF_8,TEXT_HTML_UTF_8_ORDINAL),
119 TEXT_PLAIN__UTF_8_BUFFER=CACHE.add(TEXT_PLAIN__UTF_8,TEXT_PLAIN_UTF_8_ORDINAL),
120 TEXT_XML__UTF_8_BUFFER=CACHE.add(TEXT_XML__UTF_8,TEXT_XML_UTF_8_ORDINAL),
121 TEXT_JSON__UTF_8_BUFFER=CACHE.add(TEXT_JSON__UTF_8,TEXT_JSON_UTF_8_ORDINAL);
122
123
124
125
126 private final static Map __dftMimeMap = new HashMap();
127 private final static Map __encodings = new HashMap();
128 static
129 {
130 try
131 {
132 ResourceBundle mime = ResourceBundle.getBundle("org/eclipse/jetty/http/mime");
133 Enumeration i = mime.getKeys();
134 while(i.hasMoreElements())
135 {
136 String ext = (String)i.nextElement();
137 String m = mime.getString(ext);
138 __dftMimeMap.put(StringUtil.asciiToLowerCase(ext),normalizeMimeType(m));
139 }
140 }
141 catch(MissingResourceException e)
142 {
143 LOG.warn(e.toString());
144 LOG.debug(e);
145 }
146
147 try
148 {
149 ResourceBundle encoding = ResourceBundle.getBundle("org/eclipse/jetty/http/encoding");
150 Enumeration i = encoding.getKeys();
151 while(i.hasMoreElements())
152 {
153 Buffer type = normalizeMimeType((String)i.nextElement());
154 __encodings.put(type,encoding.getString(type.toString()));
155 }
156 }
157 catch(MissingResourceException e)
158 {
159 LOG.warn(e.toString());
160 LOG.debug(e);
161 }
162
163
164 TEXT_HTML_BUFFER.setAssociate("ISO-8859-1",TEXT_HTML_8859_1_BUFFER);
165 TEXT_HTML_BUFFER.setAssociate("ISO_8859_1",TEXT_HTML_8859_1_BUFFER);
166 TEXT_HTML_BUFFER.setAssociate("iso-8859-1",TEXT_HTML_8859_1_BUFFER);
167 TEXT_PLAIN_BUFFER.setAssociate("ISO-8859-1",TEXT_PLAIN_8859_1_BUFFER);
168 TEXT_PLAIN_BUFFER.setAssociate("ISO_8859_1",TEXT_PLAIN_8859_1_BUFFER);
169 TEXT_PLAIN_BUFFER.setAssociate("iso-8859-1",TEXT_PLAIN_8859_1_BUFFER);
170 TEXT_XML_BUFFER.setAssociate("ISO-8859-1",TEXT_XML_8859_1_BUFFER);
171 TEXT_XML_BUFFER.setAssociate("ISO_8859_1",TEXT_XML_8859_1_BUFFER);
172 TEXT_XML_BUFFER.setAssociate("iso-8859-1",TEXT_XML_8859_1_BUFFER);
173
174 TEXT_HTML_BUFFER.setAssociate("UTF-8",TEXT_HTML_UTF_8_BUFFER);
175 TEXT_HTML_BUFFER.setAssociate("UTF8",TEXT_HTML_UTF_8_BUFFER);
176 TEXT_HTML_BUFFER.setAssociate("utf8",TEXT_HTML_UTF_8_BUFFER);
177 TEXT_HTML_BUFFER.setAssociate("utf-8",TEXT_HTML_UTF_8_BUFFER);
178 TEXT_PLAIN_BUFFER.setAssociate("UTF-8",TEXT_PLAIN_UTF_8_BUFFER);
179 TEXT_PLAIN_BUFFER.setAssociate("UTF8",TEXT_PLAIN_UTF_8_BUFFER);
180 TEXT_PLAIN_BUFFER.setAssociate("utf8",TEXT_PLAIN_UTF_8_BUFFER);
181 TEXT_PLAIN_BUFFER.setAssociate("utf-8",TEXT_PLAIN_UTF_8_BUFFER);
182 TEXT_XML_BUFFER.setAssociate("UTF-8",TEXT_XML_UTF_8_BUFFER);
183 TEXT_XML_BUFFER.setAssociate("UTF8",TEXT_XML_UTF_8_BUFFER);
184 TEXT_XML_BUFFER.setAssociate("utf8",TEXT_XML_UTF_8_BUFFER);
185 TEXT_XML_BUFFER.setAssociate("utf-8",TEXT_XML_UTF_8_BUFFER);
186 TEXT_JSON_BUFFER.setAssociate("UTF-8",TEXT_JSON_UTF_8_BUFFER);
187 TEXT_JSON_BUFFER.setAssociate("UTF8",TEXT_JSON_UTF_8_BUFFER);
188 TEXT_JSON_BUFFER.setAssociate("utf8",TEXT_JSON_UTF_8_BUFFER);
189 TEXT_JSON_BUFFER.setAssociate("utf-8",TEXT_JSON_UTF_8_BUFFER);
190 }
191
192
193
194 private Map _mimeMap;
195
196
197
198
199 public MimeTypes()
200 {
201 }
202
203
204 public synchronized Map getMimeMap()
205 {
206 return _mimeMap;
207 }
208
209
210
211
212
213 public void setMimeMap(Map mimeMap)
214 {
215 if (mimeMap==null)
216 {
217 _mimeMap=null;
218 return;
219 }
220
221 Map m=new HashMap();
222 Iterator i=mimeMap.entrySet().iterator();
223 while (i.hasNext())
224 {
225 Map.Entry entry = (Map.Entry)i.next();
226 m.put(entry.getKey(),normalizeMimeType(entry.getValue().toString()));
227 }
228 _mimeMap=m;
229 }
230
231
232
233
234
235
236
237 public Buffer getMimeByExtension(String filename)
238 {
239 Buffer type=null;
240
241 if (filename!=null)
242 {
243 int i=-1;
244 while(type==null)
245 {
246 i=filename.indexOf(".",i+1);
247
248 if (i<0 || i>=filename.length())
249 break;
250
251 String ext=StringUtil.asciiToLowerCase(filename.substring(i+1));
252 if (_mimeMap!=null)
253 type = (Buffer)_mimeMap.get(ext);
254 if (type==null)
255 type=(Buffer)__dftMimeMap.get(ext);
256 }
257 }
258
259 if (type==null)
260 {
261 if (_mimeMap!=null)
262 type=(Buffer)_mimeMap.get("*");
263 if (type==null)
264 type=(Buffer)__dftMimeMap.get("*");
265 }
266
267 return type;
268 }
269
270
271
272
273
274
275 public void addMimeMapping(String extension,String type)
276 {
277 if (_mimeMap==null)
278 _mimeMap=new HashMap();
279
280 _mimeMap.put(StringUtil.asciiToLowerCase(extension),normalizeMimeType(type));
281 }
282
283
284 private static synchronized Buffer normalizeMimeType(String type)
285 {
286 Buffer b =CACHE.get(type);
287 if (b==null)
288 b=CACHE.add(type,__index++);
289 return b;
290 }
291
292
293 public static String getCharsetFromContentType(Buffer value)
294 {
295 if (value instanceof CachedBuffer)
296 {
297 switch(((CachedBuffer)value).getOrdinal())
298 {
299 case TEXT_HTML_8859_1_ORDINAL:
300 case TEXT_PLAIN_8859_1_ORDINAL:
301 case TEXT_XML_8859_1_ORDINAL:
302 return StringUtil.__ISO_8859_1;
303
304 case TEXT_HTML_UTF_8_ORDINAL:
305 case TEXT_PLAIN_UTF_8_ORDINAL:
306 case TEXT_XML_UTF_8_ORDINAL:
307 case TEXT_JSON_UTF_8_ORDINAL:
308 return StringUtil.__UTF8;
309 }
310 }
311
312 int i=value.getIndex();
313 int end=value.putIndex();
314 int state=0;
315 int start=0;
316 boolean quote=false;
317 for (;i<end;i++)
318 {
319 byte b = value.peek(i);
320
321 if (quote && state!=10)
322 {
323 if ('"'==b)
324 quote=false;
325 continue;
326 }
327
328 switch(state)
329 {
330 case 0:
331 if ('"'==b)
332 {
333 quote=true;
334 break;
335 }
336 if (';'==b)
337 state=1;
338 break;
339
340 case 1: if ('c'==b) state=2; else if (' '!=b) state=0; break;
341 case 2: if ('h'==b) state=3; else state=0;break;
342 case 3: if ('a'==b) state=4; else state=0;break;
343 case 4: if ('r'==b) state=5; else state=0;break;
344 case 5: if ('s'==b) state=6; else state=0;break;
345 case 6: if ('e'==b) state=7; else state=0;break;
346 case 7: if ('t'==b) state=8; else state=0;break;
347
348 case 8: if ('='==b) state=9; else if (' '!=b) state=0; break;
349
350 case 9:
351 if (' '==b)
352 break;
353 if ('"'==b)
354 {
355 quote=true;
356 start=i+1;
357 state=10;
358 break;
359 }
360 start=i;
361 state=10;
362 break;
363
364 case 10:
365 if (!quote && (';'==b || ' '==b )||
366 (quote && '"'==b ))
367 return CACHE.lookup(value.peek(start,i-start)).toString(StringUtil.__UTF8);
368 }
369 }
370
371 if (state==10)
372 return CACHE.lookup(value.peek(start,i-start)).toString(StringUtil.__UTF8);
373
374 return (String)__encodings.get(value);
375 }
376 }