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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*
* 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.node.configuration.xml;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import org.apache.tuscany.sca.assembly.Binding;
import org.apache.tuscany.sca.assembly.Component;
import org.apache.tuscany.sca.assembly.ComponentService;
import org.apache.tuscany.sca.assembly.Composite;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.assembly.xml.BaseAssemblyProcessor;
import org.apache.tuscany.sca.assembly.xml.Constants;
import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
import org.apache.tuscany.sca.contribution.processor.ContributionWriteException;
import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.StAXAttributeProcessor;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.policy.PolicySet;
/**
* A StaX processor for remote endpoints
*/
public class RemoteEndpointsProcessor extends BaseAssemblyProcessor implements StAXArtifactProcessor<RemoteEndpoints> {
private final static String ENDPOINT = "remoteEndpoints";
private final static QName ENDPOINT_QNAME = new QName(Constants.SCA11_TUSCANY_NS, ENDPOINT);
private ExtensionPointRegistry registry;
public RemoteEndpointsProcessor(ExtensionPointRegistry registry,
StAXArtifactProcessor extensionProcessor,
StAXAttributeProcessor extensionAttributeProcessor) {
super(modelFactories(registry), extensionProcessor);
this.registry = registry;
}
/**
* Returns the model factory extension point to use.
*
* @param extensionPoints
* @return
*/
private static FactoryExtensionPoint modelFactories(ExtensionPointRegistry extensionPoints) {
return extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
}
public QName getArtifactType() {
return ENDPOINT_QNAME;
}
public RemoteEndpoints read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException,
XMLStreamException {
RemoteEndpoints endpoints = new RemoteEndpoints();
if (reader.getEventType() == XMLStreamConstants.START_DOCUMENT) {
reader.nextTag();
}
if (reader.getEventType() == XMLStreamConstants.START_ELEMENT && ENDPOINT_QNAME.equals(reader.getName())) {
// Skip the "endpoint" element wrapper
reader.nextTag();
}
Object model = extensionProcessor.read(reader, context);
if (model instanceof Composite) {
Composite composite = (Composite)model;
for (Component component : composite.getComponents()) {
if (component.getURI() == null) {
// Default to the component name as the uri
component.setURI(component.getName());
}
for (ComponentService service : component.getServices()) {
for (Binding binding : service.getBindings()) {
Endpoint endpoint = assemblyFactory.createEndpoint();
endpoint.setComponent(component);
endpoint.setService(service);
endpoint.setBinding(binding);
// retrieve the stash of intents and policy sets from the component
endpoint.getRequiredIntents().addAll(component.getRequiredIntents());
endpoint.getPolicySets().addAll(component.getPolicySets());
endpoints.add(endpoint);
}
}
}
}
return endpoints;
}
public void write(RemoteEndpoints model, XMLStreamWriter writer, ProcessorContext context)
throws ContributionWriteException, XMLStreamException {
}
public Class<RemoteEndpoints> getModelType() {
return RemoteEndpoints.class;
}
public void resolve(RemoteEndpoints model, ModelResolver resolver, ProcessorContext context)
throws ContributionResolveException {
// the only thing we'll resolve here is the policy model as the endpoint
// matching algorithm needs to look inside the policy model
for (Endpoint endpoint : model) {
for (PolicySet policySet : endpoint.getPolicySets()) {
extensionProcessor.resolve(policySet, resolver, context);
}
}
}
}
|
