blob: e4bb708a017334c651db9c772a6b966e8974876b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.binding.sca.axis2.impl;
import java.util.logging.Logger;
import org.apache.tuscany.sca.invocation.Interceptor;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.runtime.EndpointReference;
import org.osoa.sca.ServiceUnavailableException;
/**
* A wrapper for the Axis2BindingInvoker that ensures that the URL of the target
* service is correct by looking it up in the service registry if it is not provided
*
* @version $Rev: 563772 $ $Date: 2007-08-08 07:50:49 +0100 (Wed, 08 Aug 2007) $
*/
public class Axis2SCABindingInvoker implements Interceptor {
private static final Logger logger = Logger.getLogger(Axis2SCABindingInvoker.class.getName());
private Invoker axis2Invoker;
private Axis2SCAReferenceBindingProvider provider;
public Axis2SCABindingInvoker(Axis2SCAReferenceBindingProvider provider, Invoker axis2Invoker) {
this.axis2Invoker = axis2Invoker;
this.provider = provider;
}
public void setNext(Invoker next) {
}
public Invoker getNext() {
return null;
}
/**
* Fix up the URL for the message. The "to" EndPoint comes from the wire
* target and needs to be replaced with the endpoint from the registry.
* The default URL for an Endpoint URI where there is no
* target component or service information, as in the case of a
* wire crossing a node boundary, is "/"
*/
public Message invoke(Message msg) {
// make sure that the epr of the target service is set in the TO
// field of the message
EndpointReference to = msg.getTo();
// check to see if we either don't have an endpoint set or if the URI
// is dynamic or the target service is marked as unresolved
if ((to == null) || (to.getURI().equals("/") || (to.getContract() == null) || (to.getContract().isUnresolved()))) {
EndpointReference eprTo = provider.getServiceEndpoint();
if ( (eprTo == null) || (eprTo.getURI() == null)) {
throw new ServiceUnavailableException("Endpoint for service: " + provider.getSCABinding().getURI()
+ " can't be found for component: "
+ provider.getComponent().getName()
+ " reference: "
+ provider.getComponentReference().getName());
}
msg.setTo(eprTo);
}
// make sure that the epr of the callback service (if there is one) is set
// in the callbackReference field of the message.
EndpointReference callbackEPR = msg.getFrom().getReferenceParameters().getCallbackReference();
if ((callbackEPR == null) || (callbackEPR.getURI().equals("/"))) {
callbackEPR = provider.getCallbackEndpoint();
if (callbackEPR != null) {
msg.getFrom().getReferenceParameters().setCallbackReference(callbackEPR);
}
}
// do the axis2 stuff
return axis2Invoker.invoke(msg);
}
}
|