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Diffstat (limited to 'sandbox/sebastien/java/vhost/unreleased/samples/implementation-sample-async/src/main/java/sample/impl/SampleImplementationProcessor.java')
| -rw-r--r-- | sandbox/sebastien/java/vhost/unreleased/samples/implementation-sample-async/src/main/java/sample/impl/SampleImplementationProcessor.java | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/vhost/unreleased/samples/implementation-sample-async/src/main/java/sample/impl/SampleImplementationProcessor.java b/sandbox/sebastien/java/vhost/unreleased/samples/implementation-sample-async/src/main/java/sample/impl/SampleImplementationProcessor.java new file mode 100644 index 0000000000..6017030d35 --- /dev/null +++ b/sandbox/sebastien/java/vhost/unreleased/samples/implementation-sample-async/src/main/java/sample/impl/SampleImplementationProcessor.java @@ -0,0 +1,174 @@ +/* + * 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 sample.impl; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static sample.impl.SampleImplementation.QN; +import static sample.impl.ImplUtil.clazz; +import static sample.impl.ImplUtil.definition; +import static sample.impl.ImplUtil.implementation; +import static sample.impl.ImplUtil.interfaze; +import static sample.impl.ImplUtil.qname; +import static sample.impl.ImplUtil.reference; +import static sample.impl.ImplUtil.service; + +import java.lang.annotation.Annotation; +import java.lang.reflect.Field; + +import javax.wsdl.PortType; +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.assembly.AssemblyFactory; +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.ClassReference; +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.xml.DOMDataBinding; +import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition; +import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory; +import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface; +import org.apache.tuscany.sca.interfacedef.wsdl.WSDLObject; + +import sample.api.Java; +import sample.api.WSDL; + +/** + * StAX artifact processor for Sample implementations. + * + * @version $Rev$ $Date$ + */ +public class SampleImplementationProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<SampleImplementation> { + final AssemblyFactory af; + final JavaInterfaceFactory jif; + final WSDLFactory wf; + + public SampleImplementationProcessor(final ExtensionPointRegistry ep) { + final FactoryExtensionPoint fep = ep.getExtensionPoint(FactoryExtensionPoint.class); + this.af = fep.getFactory(AssemblyFactory.class); + this.jif = fep.getFactory(JavaInterfaceFactory.class); + this.wf = fep.getFactory(WSDLFactory.class); + } + + public QName getArtifactType() { + return QN; + } + + public Class<SampleImplementation> getModelType() { + return SampleImplementation.class; + } + + public SampleImplementation read(final XMLStreamReader r, final ProcessorContext ctx) throws ContributionReadException, XMLStreamException { + // Read the component implementation element + final SampleImplementation impl = implementation(r.getAttributeValue(null, "class")); + while(r.hasNext() && !(r.next() == END_ELEMENT && QN.equals(r.getName()))) + ; + return impl; + } + + public void resolve(final SampleImplementation impl, final ModelResolver res, final ProcessorContext ctx) throws ContributionResolveException { + try { + // Resolve and introspect the implementation class + impl.clazz = resolve(impl.name, res, ctx); + + for(final Annotation a: impl.clazz.getAnnotations()) { + if(a instanceof Java) + impl.getServices().add(service(clazz(a), jif, af)); + else if(a instanceof WSDL) + impl.getServices().add(service(resolve(qname(a), res, ctx, wf), wf, af)); + } + + for(Field f: impl.clazz.getDeclaredFields()) { + for(final Annotation a: f.getAnnotations()) { + if(a instanceof Java) + impl.getReferences().add(reference(f.getName(), clazz(a), jif, af)); + else if(a instanceof WSDL) + impl.getReferences().add(reference(f.getName(), resolve(qname(a), res, ctx, wf), wf, af)); + } + } + + impl.setUnresolved(false); + } catch(InvalidInterfaceException e) { + throw new ContributionResolveException(e); + } + } + + public void write(final SampleImplementation impl, final XMLStreamWriter w, final ProcessorContext ctx) throws ContributionWriteException, XMLStreamException { + writeStart(w, QN.getNamespaceURI(), QN.getLocalPart(), new XAttr("class", impl.name)); + writeEnd(w); + } + + /** + * Resolve a Java class. + */ + static Class<?> resolve(final String name, final ModelResolver res, final ProcessorContext ctx) throws ContributionResolveException { + final ClassReference cr = res.resolveModel(ClassReference.class, new ClassReference(name), ctx); + if(cr.getJavaClass() != null) + return cr.getJavaClass(); + throw new ContributionResolveException(new ClassNotFoundException(name)); + } + + /** + * Resolve a WSDL interface. + */ + static WSDLInterface resolve(final QName name, final ModelResolver res, final ProcessorContext ctx, final WSDLFactory wif) throws ContributionResolveException { + final WSDLInterface wi = res.resolveModel(WSDLInterface.class, interfaze(name, wif), ctx); + if(!wi.isUnresolved()) + return domBound(wi); + + final WSDLDefinition wd = res.resolveModel(WSDLDefinition.class, definition(wi.getName(), wif), ctx); + if(wd.isUnresolved()) + throw new ContributionResolveException("Couldn't find " + name.getNamespaceURI()); + + WSDLObject<PortType> pt = wd.getWSDLObject(PortType.class, name); + if(pt == null) + throw new ContributionResolveException("Couldn't find " + name); + try { + final WSDLInterface nwi = wif.createWSDLInterface(pt.getElement(), wd, res, ctx.getMonitor()); + nwi.setWsdlDefinition(wd); + res.addModel(nwi, ctx); + return domBound(nwi); + } catch(InvalidInterfaceException e) { + throw new ContributionResolveException(e); + } + } + + /** + * Return a WSDL interface configured to use a DOM databinding. + */ + static WSDLInterface domBound(WSDLInterface wi) throws ContributionResolveException { + try { + final WSDLInterface domwi = (WSDLInterface)wi.clone(); + domwi.resetDataBinding(DOMDataBinding.NAME); + return domwi; + } catch(CloneNotSupportedException e) { + throw new ContributionResolveException(e); + } + } +} |