1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
package org.mule.providers.vm; |
12 | |
|
13 | |
import org.mule.MuleManager; |
14 | |
import org.mule.config.QueueProfile; |
15 | |
import org.mule.config.i18n.CoreMessages; |
16 | |
import org.mule.impl.MuleMessage; |
17 | |
import org.mule.impl.endpoint.MuleEndpointURI; |
18 | |
import org.mule.providers.AbstractConnector; |
19 | |
import org.mule.routing.filters.WildcardFilter; |
20 | |
import org.mule.transaction.TransactionCoordination; |
21 | |
import org.mule.umo.MessagingException; |
22 | |
import org.mule.umo.TransactionException; |
23 | |
import org.mule.umo.UMOComponent; |
24 | |
import org.mule.umo.UMOException; |
25 | |
import org.mule.umo.UMOTransaction; |
26 | |
import org.mule.umo.endpoint.EndpointException; |
27 | |
import org.mule.umo.endpoint.UMOEndpoint; |
28 | |
import org.mule.umo.endpoint.UMOEndpointURI; |
29 | |
import org.mule.umo.lifecycle.InitialisationException; |
30 | |
import org.mule.umo.provider.MessageTypeNotSupportedException; |
31 | |
import org.mule.umo.provider.UMOMessageAdapter; |
32 | |
import org.mule.umo.provider.UMOMessageReceiver; |
33 | |
import org.mule.util.ClassUtils; |
34 | |
import org.mule.util.queue.QueueManager; |
35 | |
import org.mule.util.queue.QueueSession; |
36 | |
|
37 | |
import java.util.Iterator; |
38 | |
|
39 | |
|
40 | |
|
41 | |
|
42 | |
|
43 | 38 | public class VMConnector extends AbstractConnector |
44 | |
{ |
45 | 38 | private boolean queueEvents = false; |
46 | |
private QueueProfile queueProfile; |
47 | 38 | private Class adapterClass = null; |
48 | 38 | private int queueTimeout = 1000; |
49 | |
|
50 | |
protected void doInitialise() throws InitialisationException |
51 | |
{ |
52 | 36 | if (queueEvents) |
53 | |
{ |
54 | 10 | if (queueProfile == null) |
55 | |
{ |
56 | 10 | queueProfile = MuleManager.getConfiguration().getQueueProfile(); |
57 | |
} |
58 | |
} |
59 | |
|
60 | |
try |
61 | |
{ |
62 | 36 | adapterClass = ClassUtils.loadClass(serviceDescriptor.getMessageAdapter(), getClass()); |
63 | |
} |
64 | 0 | catch (ClassNotFoundException e) |
65 | |
{ |
66 | 0 | throw new InitialisationException( |
67 | |
CoreMessages.failedToLoad("Message Adapter: " + serviceDescriptor.getMessageAdapter()), e); |
68 | 36 | } |
69 | 36 | } |
70 | |
|
71 | |
protected void doDispose() |
72 | |
{ |
73 | |
|
74 | 38 | } |
75 | |
|
76 | |
protected void doConnect() throws Exception |
77 | |
{ |
78 | |
|
79 | 24 | } |
80 | |
|
81 | |
protected void doDisconnect() throws Exception |
82 | |
{ |
83 | |
|
84 | 24 | } |
85 | |
|
86 | |
protected void doStart() throws UMOException |
87 | |
{ |
88 | |
|
89 | 24 | } |
90 | |
|
91 | |
protected void doStop() throws UMOException |
92 | |
{ |
93 | |
|
94 | 24 | } |
95 | |
|
96 | |
public UMOMessageReceiver createReceiver(UMOComponent component, UMOEndpoint endpoint) throws Exception |
97 | |
{ |
98 | 42 | if (queueEvents) |
99 | |
{ |
100 | 24 | queueProfile.configureQueue(endpoint.getEndpointURI().getAddress()); |
101 | |
} |
102 | 42 | return serviceDescriptor.createMessageReceiver(this, component, endpoint); |
103 | |
} |
104 | |
|
105 | |
public UMOMessageAdapter getMessageAdapter(Object message) throws MessagingException |
106 | |
{ |
107 | 2 | if (message == null) |
108 | |
{ |
109 | 0 | throw new MessageTypeNotSupportedException(null, adapterClass); |
110 | |
} |
111 | 2 | else if (message instanceof MuleMessage) |
112 | |
{ |
113 | 2 | return ((MuleMessage)message).getAdapter(); |
114 | |
} |
115 | 0 | else if (message instanceof UMOMessageAdapter) |
116 | |
{ |
117 | 0 | return (UMOMessageAdapter)message; |
118 | |
} |
119 | |
else |
120 | |
{ |
121 | 0 | throw new MessageTypeNotSupportedException(message, adapterClass); |
122 | |
} |
123 | |
} |
124 | |
|
125 | |
public String getProtocol() |
126 | |
{ |
127 | 178 | return "VM"; |
128 | |
} |
129 | |
|
130 | |
public boolean isQueueEvents() |
131 | |
{ |
132 | 178 | return queueEvents; |
133 | |
} |
134 | |
|
135 | |
public void setQueueEvents(boolean queueEvents) |
136 | |
{ |
137 | 16 | this.queueEvents = queueEvents; |
138 | 16 | } |
139 | |
|
140 | |
public QueueProfile getQueueProfile() |
141 | |
{ |
142 | 0 | return queueProfile; |
143 | |
} |
144 | |
|
145 | |
public void setQueueProfile(QueueProfile queueProfile) |
146 | |
{ |
147 | 0 | this.queueProfile = queueProfile; |
148 | 0 | } |
149 | |
|
150 | |
VMMessageReceiver getReceiver(UMOEndpointURI endpointUri) throws EndpointException |
151 | |
{ |
152 | 18 | return (VMMessageReceiver)getReceiverByEndpoint(endpointUri); |
153 | |
} |
154 | |
|
155 | |
QueueSession getQueueSession() throws InitialisationException |
156 | |
{ |
157 | 106 | QueueManager qm = MuleManager.getInstance().getQueueManager(); |
158 | 106 | UMOTransaction tx = TransactionCoordination.getInstance().getTransaction(); |
159 | 106 | if (tx != null) |
160 | |
{ |
161 | 10 | if (tx.hasResource(qm)) |
162 | |
{ |
163 | 9 | final QueueSession queueSession = (QueueSession) tx.getResource(qm); |
164 | 10 | if (logger.isDebugEnabled()) |
165 | |
{ |
166 | 0 | logger.debug("Retrieved VM queue session " + queueSession + " from current transaction " + tx); |
167 | |
} |
168 | 10 | return queueSession; |
169 | |
} |
170 | |
} |
171 | |
|
172 | 96 | if (logger.isDebugEnabled()) |
173 | |
{ |
174 | 0 | logger.debug("Retrieving new VM queue session from queue manager"); |
175 | |
} |
176 | |
|
177 | 96 | QueueSession session = qm.getQueueSession(); |
178 | 96 | if (tx != null) |
179 | |
{ |
180 | 0 | if (logger.isDebugEnabled()) |
181 | |
{ |
182 | 0 | logger.debug("Binding VM queue session " + session + " to current transaction " + tx); |
183 | |
} |
184 | |
try |
185 | |
{ |
186 | 0 | tx.bindResource(qm, session); |
187 | |
} |
188 | 0 | catch (TransactionException e) |
189 | |
{ |
190 | 0 | throw new RuntimeException("Could not bind queue session to current transaction", e); |
191 | 0 | } |
192 | |
} |
193 | 96 | return session; |
194 | |
} |
195 | |
|
196 | |
protected UMOMessageReceiver getReceiverByEndpoint(UMOEndpointURI endpointUri) throws EndpointException |
197 | |
{ |
198 | 18 | if (logger.isDebugEnabled()) |
199 | |
{ |
200 | 0 | logger.debug("Looking up vm receiver for address: " + endpointUri.toString()); |
201 | |
} |
202 | |
|
203 | |
UMOMessageReceiver receiver; |
204 | |
|
205 | 18 | receiver = (UMOMessageReceiver)receivers.get(endpointUri.getAddress()); |
206 | 18 | if (receiver != null) |
207 | |
{ |
208 | 14 | if (logger.isDebugEnabled()) |
209 | |
{ |
210 | 0 | logger.debug("Found exact receiver match on endpointUri: " + endpointUri); |
211 | |
} |
212 | 14 | return receiver; |
213 | |
} |
214 | |
|
215 | |
|
216 | 4 | for (Iterator iterator = receivers.values().iterator(); iterator.hasNext();) |
217 | |
{ |
218 | 8 | receiver = (UMOMessageReceiver)iterator.next(); |
219 | 8 | String filterAddress = receiver.getEndpointURI().getAddress(); |
220 | 8 | WildcardFilter filter = new WildcardFilter(filterAddress); |
221 | 8 | if (filter.accept(endpointUri.getAddress())) |
222 | |
{ |
223 | 0 | receiver.getEndpoint().setEndpointURI(new MuleEndpointURI(endpointUri, filterAddress)); |
224 | |
|
225 | 0 | if (logger.isDebugEnabled()) |
226 | |
{ |
227 | 0 | logger.debug("Found receiver match on endpointUri: " + receiver.getEndpointURI() |
228 | |
+ " against " + endpointUri); |
229 | |
} |
230 | 0 | return receiver; |
231 | |
} |
232 | 8 | } |
233 | 4 | if (logger.isDebugEnabled()) |
234 | |
{ |
235 | 0 | logger.debug("No receiver found for endpointUri: " + endpointUri); |
236 | |
} |
237 | 4 | return null; |
238 | |
} |
239 | |
|
240 | |
|
241 | |
public boolean isRemoteSyncEnabled() |
242 | |
{ |
243 | 32 | return true; |
244 | |
} |
245 | |
|
246 | |
public int getQueueTimeout() |
247 | |
{ |
248 | 44 | return queueTimeout; |
249 | |
} |
250 | |
|
251 | |
public void setQueueTimeout(int queueTimeout) |
252 | |
{ |
253 | 0 | this.queueTimeout = queueTimeout; |
254 | 0 | } |
255 | |
|
256 | |
} |