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
|
/*
* 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.python;
import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
import static org.apache.tuscany.sca.assembly.Base.SCA11_TUSCANY_NS;
import java.net.URI;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor;
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.resolver.ModelResolver;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
import org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceImpl;
/**
* Implements a StAX artifact processor for Python implementations.
*
* @version $Rev$ $Date$
*/
public class PythonImplementationProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<PythonImplementation> {
static QName QN = new QName(SCA11_TUSCANY_NS, "implementation.python");
final InterfaceContract contract;
public PythonImplementationProcessor(final ExtensionPointRegistry ep) throws InvalidInterfaceException {
final FactoryExtensionPoint fep = ep.getExtensionPoint(FactoryExtensionPoint.class);
final JavaInterfaceFactory jf = fep.getFactory(JavaInterfaceFactory.class);
final JavaInterface eval = jf.createJavaInterface(PythonEval.class);
class DynamicInterface extends JavaInterfaceImpl {
DynamicInterface() {
setJavaClass(eval.getJavaClass());
setName(eval.getName());
setRemotable(eval.isRemotable());
Operation op = eval.getOperations().get(0);
op.setDynamic(true);
getOperations().add(op);
//resetDataBinding(JSONDataBinding.NAME);
resetDataBinding("JSON");
setUnresolved(false);
}
@Override
public boolean isDynamic() {
return true;
}
}
contract = jf.createJavaInterfaceContract();
contract.setInterface(new DynamicInterface());
}
public QName getArtifactType() {
return QN;
}
public Class<PythonImplementation> getModelType() {
return PythonImplementation.class;
}
public PythonImplementation read(final XMLStreamReader r, final ProcessorContext ctx) throws ContributionReadException, XMLStreamException {
final String scr = r.getAttributeValue(null, "script");
while(r.hasNext() && !(r.next() == END_ELEMENT && QN.equals(r.getName())))
;
return new PythonImplementation(QN, scr, URI.create(ctx.getContribution().getLocation()).getPath(), contract);
}
public void resolve(final PythonImplementation impl, final ModelResolver res, final ProcessorContext ctx) throws ContributionResolveException {
}
public void write(final PythonImplementation impl, final XMLStreamWriter w, final ProcessorContext ctx) throws ContributionWriteException, XMLStreamException {
writeStart(w, QN.getNamespaceURI(), QN.getLocalPart(), new XAttr("script", impl.getScript()));
writeEnd(w);
}
}
|
