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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/*
* 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.imprt.xyz;
import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
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.ExtensionFactory;
import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
import org.apache.tuscany.sca.contribution.namespace.NamespaceExport;
import org.apache.tuscany.sca.contribution.namespace.NamespaceImportExportFactory;
import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor;
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.contribution.service.ContributionReadException;
import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
import org.apache.tuscany.sca.contribution.service.ContributionWriteException;
import org.apache.tuscany.sca.monitor.Monitor;
import org.apache.tuscany.sca.monitor.Problem;
import org.apache.tuscany.sca.monitor.Problem.Severity;
import org.apache.tuscany.sca.monitor.impl.ProblemImpl;
public class ExportXYZProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<ExportXYZ> {
private static final String NS = "http://someuri";
private static final QName EXPORT = new QName(NS, "export.xyz");
private static final String URI = "uri";
private static final String AN_ATTRIBUTE = "anAttribute";
private final ImportExportXYZFactory factory;
private final Monitor monitor;
private final ExtensionFactory extensionFactory;
public ExportXYZProcessor(ModelFactoryExtensionPoint modelFactories,
Monitor monitor) {
this.factory = modelFactories.getFactory(ImportExportXYZFactory.class);
this.extensionFactory = modelFactories.getFactory(ExtensionFactory.class);
this.monitor = monitor;
}
/**
* Report a warning.
*
* @param problems
* @param message
* @param model
*/
private void error(String message, Object model, Object... messageParameters) {
if (monitor != null) {
Problem problem = new ProblemImpl(this.getClass().getName(), "export-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters);
monitor.problem(problem);
}
}
/**
* Report a exception.
*
* @param problems
* @param message
* @param model
*/
private void error(String message, Object model, Exception ex) {
if (monitor != null) {
Problem problem = new ProblemImpl(this.getClass().getName(), "export-validation-messages", Severity.ERROR, model, message, ex);
monitor.problem(problem);
}
}
public QName getArtifactType() {
return EXPORT;
}
public Class<ExportXYZ> getModelType() {
return ExportXYZ.class;
}
public ExportXYZ read(XMLStreamReader reader) throws ContributionReadException {
ExportXYZ export = this.factory.createExport();
QName element = null;
try {
while (reader.hasNext()) {
int event = reader.getEventType();
switch (event) {
case START_ELEMENT:
element = reader.getName();
// Read <export>
if (EXPORT.equals(element)) {
String ns = reader.getAttributeValue(null, URI);
if (ns == null) {
error("AttributeNameSpaceMissing", reader);
} else {
export.setURI(ns);
}
String anAttribute = reader.getAttributeValue(null, AN_ATTRIBUTE);
export.setAnAttribute(anAttribute);
}
break;
case XMLStreamConstants.END_ELEMENT:
if (EXPORT.equals(reader.getName())) {
return export;
}
break;
}
// Read the next element
if (reader.hasNext()) {
reader.next();
}
}
}
catch (XMLStreamException e) {
ContributionReadException ex = new ContributionReadException(e);
error("XMLStreamException", reader, ex);
}
return export;
}
public void write(ExportXYZ export, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {
// Write <export>
writer.writeStartElement(EXPORT.getNamespaceURI(), EXPORT.getLocalPart());
if (export.getURI() != null) {
writer.writeAttribute(URI, export.getURI());
}
if (export.getAnAttribute() != null) {
writer.writeAttribute(AN_ATTRIBUTE, export.getAnAttribute());
}
writer.writeEndElement();
}
public void resolve(ExportXYZ export, ModelResolver resolver) throws ContributionResolveException {
if (export.getURI() != null)
// Initialize the export's resolver
export.setModelResolver(new ExportXYZModelResolver(resolver));
}
}
|
