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
|
/*
* 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.implementation.sdo;
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.AssemblyFactory;
import org.apache.tuscany.sca.assembly.xml.Constants;
import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
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.data.engine.ConnectionInfoArtifactProcessor;
import org.apache.tuscany.sca.data.engine.config.ConnectionInfo;
import org.apache.tuscany.sca.implementation.sdo.impl.SDOImplementationFactoryImpl;
import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
/**
* Implements a STAX artifact processor for DATA implementations.
*
* The artifact processor is responsible for processing <implementation.data>
* elements in SCA assembly XML composite files and populating the DATA
* implementation model, resolving its references to other artifacts in the SCA
* contribution, and optionally write the model back to SCA assembly XML.
*
* @version $Rev$ $Date$
*/
public class SDOImplementationProcessor implements StAXArtifactProcessor<SDOImplementation> {
protected static final QName IMPLEMENTATION_SDO = new QName(Constants.SCA10_TUSCANY_NS, "implementation.sdo");
private SDOImplementationFactory sdoFactory;
private StAXArtifactProcessor<ConnectionInfo> connectionInfoProcessor;
public SDOImplementationProcessor(ModelFactoryExtensionPoint modelFactories) {
AssemblyFactory assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
JavaInterfaceFactory javaFactory = modelFactories.getFactory(JavaInterfaceFactory.class);
this.sdoFactory = new SDOImplementationFactoryImpl(assemblyFactory, javaFactory);
this.connectionInfoProcessor = new ConnectionInfoArtifactProcessor(modelFactories);
}
public QName getArtifactType() {
// Returns the qname of the XML element processed by this processor
return IMPLEMENTATION_SDO;
}
public Class<SDOImplementation> getModelType() {
// Returns the type of model processed by this processor
return SDOImplementation.class;
}
/*
* <component name="CompanyDataComponent">
* <implementation.sdo table="company">
* <connectionInfo>
* <connectionProperties
* driverClass="org.apache.derby.jdbc.EmbeddedDriver"
* databaseURL="jdbc:derby:target/test-classes/dastest; create = true"
* loginTimeout="600000"/>
* </connectionInfo>
* </implementation.data>
* </component>
*/
public SDOImplementation read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
assert IMPLEMENTATION_SDO.equals(reader.getName());
// Read an <implementation.data> element
// Create an initialize the DAS implementation model
SDOImplementation implementation = sdoFactory.createSDOImplementation();
//FIXME: validation sending info to monitor....
String table = reader.getAttributeValue(null, "table");
implementation.setTable(table); //required
String key = reader.getAttributeValue(null, "key");
if(key == null) {
implementation.setKey("ID");
} else {
implementation.setKey(key);
}
while (true) {
int event = reader.next();
switch (event) {
case START_ELEMENT:
if (ConnectionInfoArtifactProcessor.CONNECTION_INFO.equals(reader.getName())) {
// Read connection info
ConnectionInfo connectionInfo = (ConnectionInfo) connectionInfoProcessor.read(reader);;
implementation.setConnectionInfo(connectionInfo);
}
break;
case XMLStreamConstants.END_ELEMENT:
if (IMPLEMENTATION_SDO.equals(reader.getName())) {
return implementation;
}
break;
}
}
}
public void resolve(SDOImplementation impl, ModelResolver resolver) throws ContributionResolveException {
}
public void write(SDOImplementation implementation, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {
writer.writeStartElement(IMPLEMENTATION_SDO.getNamespaceURI(), IMPLEMENTATION_SDO.getLocalPart());
if (implementation.getTable() != null) {
writer.writeAttribute("table", implementation.getTable());
}
if (implementation.getConnectionInfo() != null) {
connectionInfoProcessor.write(implementation.getConnectionInfo(), writer);
}
writer.writeEndElement();
}
}
|
