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
135
136
137
138
139
140
141
142
143
|
/*
* 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.assembly.xml;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URL;
import java.net.URLConnection;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.apache.tuscany.sca.assembly.ComponentType;
import org.apache.tuscany.sca.monitor.Monitor;
import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.ValidatingXMLInputFactory;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.contribution.service.ContributionReadException;
import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
/**
* A componentType processor.
*
* @version $Rev$ $Date$
*/
public class ComponentTypeDocumentProcessor extends BaseAssemblyProcessor implements URLArtifactProcessor<ComponentType> {
private XMLInputFactory inputFactory;
/**
* Constructs a new componentType processor.
* @param factory
* @param policyFactory
* @param registry
*/
public ComponentTypeDocumentProcessor(StAXArtifactProcessor staxProcessor,
XMLInputFactory inputFactory,
Monitor monitor) {
super(null, null, null, staxProcessor, monitor);
this.inputFactory = inputFactory;
}
/**
* Constructs a new componentType processor.
* @param modelFactories
* @param staxProcessor
*/
public ComponentTypeDocumentProcessor(ModelFactoryExtensionPoint modelFactories,
StAXArtifactProcessor staxProcessor,
Monitor monitor) {
super(null, null, null, staxProcessor, monitor);
this.inputFactory = modelFactories.getFactory(ValidatingXMLInputFactory.class);
}
public ComponentType read(URL contributionURL, URI uri, URL url) throws ContributionReadException {
InputStream urlStream = null;
try {
// Create a stream reader
URLConnection connection = url.openConnection();
connection.setUseCaches(false);
urlStream = connection.getInputStream();
XMLStreamReader reader = inputFactory.createXMLStreamReader(url.toString(), urlStream);
reader.nextTag();
// Reader the componentType model
ComponentType componentType = (ComponentType)extensionProcessor.read(reader);
if (componentType != null) {
componentType.setURI(uri.toString());
}
// For debugging purposes, write it back to XML
// if (componentType != null) {
// try {
// ByteArrayOutputStream bos = new ByteArrayOutputStream();
// XMLOutputFactory outputFactory = XMLOutputFactory.newInstance();
// outputFactory.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.TRUE);
// extensionProcessor.write(componentType, outputFactory.createXMLStreamWriter(bos));
// Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new ByteArrayInputStream(bos.toByteArray()));
// OutputFormat format = new OutputFormat();
// format.setIndenting(true);
// format.setIndent(2);
// XMLSerializer serializer = new XMLSerializer(System.out, format);
// serializer.serialize(document);
// } catch (Exception e) {
// e.printStackTrace();
// }
// }
return componentType;
} catch (XMLStreamException e) {
ContributionReadException ce = new ContributionReadException(e);
error("ContributionReadException", inputFactory, ce);
throw ce;
} catch (IOException e) {
ContributionReadException ce = new ContributionReadException(e);
error("ContributionReadException", inputFactory, ce);
throw ce;
} finally {
try {
if (urlStream != null) {
urlStream.close();
urlStream = null;
}
} catch (IOException ioe) {
//ignore
}
}
}
public void resolve(ComponentType componentType, ModelResolver resolver) throws ContributionResolveException {
extensionProcessor.resolve(componentType, resolver);
}
public String getArtifactType() {
return ".componentType";
}
public Class<ComponentType> getModelType() {
return ComponentType.class;
}
}
|