1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
package org.mule.transport.servlet; |
12 | |
|
13 | |
import org.mule.DefaultMuleMessage; |
14 | |
import org.mule.RegistryContext; |
15 | |
import org.mule.api.MuleException; |
16 | |
import org.mule.api.MuleMessage; |
17 | |
import org.mule.api.endpoint.EndpointException; |
18 | |
import org.mule.api.lifecycle.InitialisationException; |
19 | |
import org.mule.api.transport.MessageReceiver; |
20 | |
import org.mule.api.transport.NoReceiverForEndpointException; |
21 | |
import org.mule.endpoint.DynamicURIInboundEndpoint; |
22 | |
import org.mule.endpoint.MuleEndpointURI; |
23 | |
import org.mule.transport.AbstractMessageReceiver; |
24 | |
import org.mule.transport.http.HttpConnector; |
25 | |
import org.mule.transport.http.HttpConstants; |
26 | |
import org.mule.transport.http.HttpMessageReceiver; |
27 | |
import org.mule.transport.http.i18n.HttpMessages; |
28 | |
import org.mule.transport.service.TransportFactory; |
29 | |
import org.mule.transport.servlet.i18n.ServletMessages; |
30 | |
import org.mule.util.PropertiesUtils; |
31 | |
|
32 | |
import java.io.IOException; |
33 | |
import java.util.Iterator; |
34 | |
import java.util.Map; |
35 | |
import java.util.Properties; |
36 | |
|
37 | |
import javax.servlet.ServletConfig; |
38 | |
import javax.servlet.ServletException; |
39 | |
import javax.servlet.http.HttpServletRequest; |
40 | |
import javax.servlet.http.HttpServletResponse; |
41 | |
|
42 | |
|
43 | |
|
44 | |
|
45 | |
|
46 | |
|
47 | |
|
48 | |
|
49 | |
|
50 | |
|
51 | 0 | public class MuleReceiverServlet extends AbstractReceiverServlet |
52 | |
{ |
53 | |
|
54 | |
private static final long serialVersionUID = 6631307373079767439L; |
55 | |
|
56 | 0 | protected ServletConnector connector = null; |
57 | |
|
58 | |
protected void doInit(ServletConfig servletConfig) throws ServletException |
59 | |
{ |
60 | 0 | String servletConnectorName = servletConfig.getInitParameter(SERVLET_CONNECTOR_NAME_PROPERTY); |
61 | 0 | if (servletConnectorName == null) |
62 | |
{ |
63 | 0 | connector = (ServletConnector) TransportFactory.getConnectorByProtocol("servlet"); |
64 | 0 | if (connector == null) |
65 | |
{ |
66 | 0 | throw new ServletException(ServletMessages.noConnectorForProtocolServlet().toString()); |
67 | |
} |
68 | |
} |
69 | |
else |
70 | |
{ |
71 | 0 | connector = (ServletConnector) RegistryContext.getRegistry().lookupConnector(servletConnectorName); |
72 | 0 | if (connector == null) |
73 | |
{ |
74 | 0 | throw new ServletException(ServletMessages.noServletConnectorFound(servletConnectorName).toString()); |
75 | |
} |
76 | |
} |
77 | 0 | } |
78 | |
|
79 | |
protected void doHead(HttpServletRequest request, HttpServletResponse response) |
80 | |
throws ServletException, IOException |
81 | |
{ |
82 | |
try |
83 | |
{ |
84 | 0 | MuleMessage responseMessage = doMethod(request, "HEAD"); |
85 | 0 | if (responseMessage != null) |
86 | |
{ |
87 | 0 | writeResponse(response, responseMessage); |
88 | |
} |
89 | |
else |
90 | |
{ |
91 | 0 | response.setStatus(HttpConstants.SC_OK); |
92 | |
} |
93 | |
} |
94 | 0 | catch (Exception e) |
95 | |
{ |
96 | 0 | handleException(e, e.getMessage(), response); |
97 | 0 | } |
98 | 0 | } |
99 | |
|
100 | |
protected void doGet(HttpServletRequest request, HttpServletResponse response) |
101 | |
throws ServletException, IOException |
102 | |
{ |
103 | |
try |
104 | |
{ |
105 | 0 | MuleMessage responseMessage = doMethod(request, "GET"); |
106 | 0 | writeResponse(response, responseMessage); |
107 | |
} |
108 | 0 | catch (RuntimeException e) |
109 | |
{ |
110 | 0 | throw e; |
111 | |
} |
112 | 0 | catch (Exception e) |
113 | |
{ |
114 | 0 | handleException(e, e.getMessage(), response); |
115 | 0 | } |
116 | 0 | } |
117 | |
|
118 | |
protected void setupRequestMessage(HttpServletRequest request, MuleMessage requestMessage) |
119 | |
{ |
120 | 0 | requestMessage.setProperty(HttpConnector.HTTP_REQUEST_PROPERTY, request.getRequestURI()); |
121 | 0 | } |
122 | |
|
123 | |
protected void doPost(HttpServletRequest request, HttpServletResponse response) |
124 | |
throws ServletException, IOException |
125 | |
{ |
126 | |
try |
127 | |
{ |
128 | 0 | MuleMessage responseMessage = doMethod(request, "POST"); |
129 | 0 | if (responseMessage != null) |
130 | |
{ |
131 | 0 | writeResponse(response, responseMessage); |
132 | |
} |
133 | |
} |
134 | 0 | catch (RuntimeException e) |
135 | |
{ |
136 | 0 | throw e; |
137 | |
} |
138 | 0 | catch (Exception e) |
139 | |
{ |
140 | 0 | handleException(e, e.getMessage(), response); |
141 | 0 | } |
142 | 0 | } |
143 | |
|
144 | |
protected MuleMessage doMethod(HttpServletRequest request, String method) |
145 | |
throws MuleException |
146 | |
{ |
147 | 0 | MessageReceiver receiver = getReceiverForURI(request); |
148 | |
|
149 | 0 | MuleMessage requestMessage = new DefaultMuleMessage(new HttpRequestMessageAdapter(request)); |
150 | 0 | requestMessage.setProperty(HttpConnector.HTTP_METHOD_PROPERTY, method); |
151 | |
|
152 | 0 | setupRequestMessage(request, requestMessage); |
153 | |
|
154 | 0 | return routeMessage(receiver, requestMessage, request); |
155 | |
} |
156 | |
|
157 | |
protected MuleMessage routeMessage(MessageReceiver receiver, MuleMessage requestMessage, HttpServletRequest request) |
158 | |
throws MuleException |
159 | |
{ |
160 | 0 | return receiver.routeMessage(requestMessage, true); |
161 | |
} |
162 | |
|
163 | |
protected void doOptions(HttpServletRequest request, HttpServletResponse response) |
164 | |
throws ServletException, IOException |
165 | |
{ |
166 | |
try |
167 | |
{ |
168 | 0 | MuleMessage responseMessage = doMethod(request, "OPTIONS"); |
169 | 0 | if (responseMessage != null) |
170 | |
{ |
171 | 0 | writeResponse(response, responseMessage); |
172 | |
} |
173 | |
} |
174 | 0 | catch (Exception e) |
175 | |
{ |
176 | 0 | handleException(e, e.getMessage(), response); |
177 | 0 | } |
178 | 0 | } |
179 | |
|
180 | |
protected void doPut(HttpServletRequest request, HttpServletResponse response) |
181 | |
throws ServletException, IOException |
182 | |
{ |
183 | |
try |
184 | |
{ |
185 | 0 | MuleMessage responseMessage = doMethod(request, "PUT"); |
186 | 0 | if (responseMessage != null) |
187 | |
{ |
188 | 0 | writeResponse(response, responseMessage); |
189 | |
} |
190 | |
} |
191 | |
|
192 | 0 | catch (Exception e) |
193 | |
{ |
194 | 0 | handleException(e, e.getMessage(), response); |
195 | 0 | } |
196 | 0 | } |
197 | |
|
198 | |
protected void doDelete(HttpServletRequest request, HttpServletResponse response) |
199 | |
throws ServletException, IOException |
200 | |
{ |
201 | |
try |
202 | |
{ |
203 | 0 | MuleMessage responseMessage = doMethod(request, "DELETE"); |
204 | 0 | if (responseMessage != null) |
205 | |
{ |
206 | 0 | writeResponse(response, responseMessage); |
207 | |
} |
208 | |
} |
209 | 0 | catch (Exception e) |
210 | |
{ |
211 | 0 | handleException(e, e.getMessage(), response); |
212 | 0 | } |
213 | 0 | } |
214 | |
|
215 | |
protected void doTrace(HttpServletRequest request, HttpServletResponse response) |
216 | |
throws ServletException, IOException |
217 | |
{ |
218 | |
try |
219 | |
{ |
220 | 0 | MuleMessage responseMessage = doMethod(request, "TRACE"); |
221 | 0 | if (responseMessage != null) |
222 | |
{ |
223 | 0 | writeResponse(response, responseMessage); |
224 | |
} |
225 | |
} |
226 | 0 | catch (Exception e) |
227 | |
{ |
228 | 0 | handleException(e, e.getMessage(), response); |
229 | 0 | } |
230 | 0 | } |
231 | |
|
232 | |
protected void doConnect(HttpServletRequest request, HttpServletResponse response) |
233 | |
throws ServletException, IOException |
234 | |
{ |
235 | |
try |
236 | |
{ |
237 | 0 | MuleMessage responseMessage = doMethod(request, "CONNECT"); |
238 | 0 | if (responseMessage != null) |
239 | |
{ |
240 | 0 | writeResponse(response, responseMessage); |
241 | |
} |
242 | |
} |
243 | 0 | catch (Exception e) |
244 | |
{ |
245 | 0 | handleException(e, e.getMessage(), response); |
246 | 0 | } |
247 | 0 | } |
248 | |
|
249 | |
protected MessageReceiver getReceiverForURI(HttpServletRequest httpServletRequest) |
250 | |
throws EndpointException |
251 | |
{ |
252 | 0 | String uri = getReceiverName(httpServletRequest); |
253 | 0 | if (uri == null) |
254 | |
{ |
255 | 0 | throw new EndpointException( |
256 | |
HttpMessages.unableToGetEndpointUri(httpServletRequest.getRequestURI())); |
257 | |
} |
258 | |
|
259 | 0 | MessageReceiver receiver = (MessageReceiver) getReceivers().get(uri); |
260 | |
|
261 | 0 | if (receiver == null) |
262 | |
{ |
263 | |
|
264 | |
|
265 | 0 | int i = uri.lastIndexOf("/"); |
266 | 0 | if (i > -1) |
267 | |
{ |
268 | 0 | String tempUri = uri.substring(i + 1); |
269 | 0 | receiver = (AbstractMessageReceiver) getReceivers().get(tempUri); |
270 | |
} |
271 | |
|
272 | |
|
273 | |
|
274 | 0 | if (receiver == null) |
275 | |
{ |
276 | 0 | receiver = HttpMessageReceiver.findReceiverByStem(connector.getReceivers(), uri); |
277 | |
} |
278 | |
|
279 | |
|
280 | |
|
281 | |
|
282 | 0 | if (receiver == null) |
283 | |
{ |
284 | 0 | receiver = HttpMessageReceiver.findReceiverByStem(connector.getReceivers(), uri); |
285 | |
} |
286 | |
|
287 | |
|
288 | |
|
289 | |
|
290 | 0 | if (receiver == null) |
291 | |
{ |
292 | 0 | Map receivers = getReceivers(); |
293 | 0 | Iterator iter = receivers.keySet().iterator(); |
294 | 0 | while (iter.hasNext()) |
295 | |
{ |
296 | 0 | String key = iter.next().toString(); |
297 | 0 | i = key.lastIndexOf("/"); |
298 | 0 | if (i > -1) |
299 | |
{ |
300 | 0 | String key2 = key.substring(i + 1); |
301 | 0 | if (key2.equals(uri)) |
302 | |
{ |
303 | 0 | receiver = (AbstractMessageReceiver) receivers.get(key); |
304 | 0 | break; |
305 | |
} |
306 | |
} |
307 | 0 | } |
308 | |
} |
309 | |
|
310 | 0 | if (receiver == null) |
311 | |
{ |
312 | 0 | throw new NoReceiverForEndpointException("No receiver found for endpointUri: " + uri); |
313 | |
} |
314 | |
} |
315 | 0 | receiver.setEndpoint(new DynamicURIInboundEndpoint(receiver.getEndpoint(), new MuleEndpointURI( |
316 | |
getRequestUrl(httpServletRequest)))); |
317 | |
try |
318 | |
{ |
319 | 0 | receiver.getEndpointURI().initialise(); |
320 | |
} |
321 | 0 | catch (InitialisationException e) |
322 | |
{ |
323 | 0 | throw new EndpointException(e); |
324 | 0 | } |
325 | 0 | return receiver; |
326 | |
} |
327 | |
|
328 | |
protected String getRequestUrl(HttpServletRequest httpServletRequest) |
329 | |
{ |
330 | 0 | StringBuffer url = new StringBuffer(); |
331 | 0 | url.append(connector.getProtocol().toLowerCase()); |
332 | 0 | url.append(":"); |
333 | 0 | url.append(httpServletRequest.getScheme()); |
334 | 0 | url.append("://"); |
335 | 0 | url.append(httpServletRequest.getServerName()); |
336 | 0 | url.append(":"); |
337 | 0 | url.append(httpServletRequest.getServerPort()); |
338 | 0 | url.append("/"); |
339 | 0 | url.append(getReceiverName(httpServletRequest)); |
340 | 0 | if (httpServletRequest.getQueryString() != null) |
341 | |
{ |
342 | 0 | url.append("?"); |
343 | 0 | url.append(httpServletRequest.getQueryString()); |
344 | |
} |
345 | 0 | return url.toString(); |
346 | |
} |
347 | |
|
348 | |
protected String getReceiverName(HttpServletRequest httpServletRequest) |
349 | |
{ |
350 | 0 | String name = httpServletRequest.getPathInfo(); |
351 | 0 | if (name == null) |
352 | |
{ |
353 | 0 | name = httpServletRequest.getServletPath(); |
354 | 0 | if (name == null) |
355 | |
{ |
356 | 0 | name = httpServletRequest.getParameter("endpoint"); |
357 | 0 | if (name == null) |
358 | |
{ |
359 | 0 | Properties params = PropertiesUtils.getPropertiesFromQueryString(httpServletRequest.getQueryString()); |
360 | 0 | name = params.getProperty("endpoint"); |
361 | 0 | if (name == null) |
362 | |
{ |
363 | 0 | return null; |
364 | |
} |
365 | |
} |
366 | |
} |
367 | |
} |
368 | |
|
369 | 0 | if (name.startsWith("/")) |
370 | |
{ |
371 | 0 | name = name.substring(1); |
372 | |
} |
373 | 0 | return name; |
374 | |
} |
375 | |
|
376 | |
protected Map getReceivers() |
377 | |
{ |
378 | 0 | return connector.getReceivers(); |
379 | |
} |
380 | |
} |