| /* |
| * 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.databinding.json.JSONDataBinding; |
| 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); |
| 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); |
| } |
| } |