diff options
Diffstat (limited to 'sca-java-1.x/branches/sca-java-0.91/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl')
2 files changed, 265 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-0.91/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationImpl.java b/sca-java-1.x/branches/sca-java-0.91/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationImpl.java new file mode 100644 index 0000000000..5391cac218 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.91/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationImpl.java @@ -0,0 +1,154 @@ +/* + * 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.resource.impl; + +import java.net.URL; +import java.util.Collections; +import java.util.List; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.ConstrainingType; +import org.apache.tuscany.sca.assembly.Property; +import org.apache.tuscany.sca.assembly.Reference; +import org.apache.tuscany.sca.assembly.Service; +import org.apache.tuscany.sca.binding.resource.HTTPResourceBinding; +import org.apache.tuscany.sca.binding.resource.HTTPResourceBindingFactory; +import org.apache.tuscany.sca.implementation.resource.Resource; +import org.apache.tuscany.sca.implementation.resource.ResourceImplementation; +import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospector; +import org.apache.tuscany.sca.policy.Intent; +import org.apache.tuscany.sca.policy.PolicySet; + + +/** + * The model representing a resource implementation in an SCA assembly model. + */ +public class ResourceImplementationImpl implements ResourceImplementation { + + private Service resourceService; + + private String location; + private URL url; + private boolean unresolved; + + /** + * Constructs a new resource implementation. + */ + public ResourceImplementationImpl(AssemblyFactory assemblyFactory, + JavaInterfaceFactory javaFactory, + JavaInterfaceIntrospector introspector, + HTTPResourceBindingFactory bindingFactory) { + + // Resource implementation always provide a single service exposing + // the Resource interface, and have no references and properties + resourceService = assemblyFactory.createService(); + resourceService.setName("Resource"); + + // Create the Java interface contract for the Resource service + JavaInterface javaInterface; + try { + javaInterface = introspector.introspect(Resource.class); + } catch (InvalidInterfaceException e) { + throw new IllegalArgumentException(e); + } + JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract(); + interfaceContract.setInterface(javaInterface); + resourceService.setInterfaceContract(interfaceContract); + + // Configure the resource service with a default HTTP resource binding + HTTPResourceBinding resourceBinding = bindingFactory.createHTTPResourceBinding(); + resourceService.getBindings().add(resourceBinding); + } + + public String getLocation() { + return location; + } + + public void setLocation(String location) { + this.location = location; + } + + public URL getLocationURL() { + return url; + } + + public void setLocationURL(URL url) { + this.url = url; + } + + public ConstrainingType getConstrainingType() { + // The resource implementation does not support constrainingTypes + return null; + } + + public List<Property> getProperties() { + // The resource implementation does not support properties + return Collections.emptyList(); + } + + public List<Service> getServices() { + // The resource implementation does not support services + return Collections.singletonList(resourceService); + } + + public List<Reference> getReferences() { + // The resource implementation does not support properties + return Collections.emptyList(); + } + + public String getURI() { + return location; + } + + public void setConstrainingType(ConstrainingType constrainingType) { + // The resource implementation does not support constrainingTypes + } + + public void setURI(String uri) { + this.location = uri; + } + + public List<PolicySet> getPolicySets() { + // The resource implementation does not support policy sets + return Collections.emptyList(); + } + + public List<Intent> getRequiredIntents() { + // The resource implementation does not support intents + return Collections.emptyList(); + } + + public List<Object> getExtensions() { + // The resource implementation does not support extensions + return Collections.emptyList(); + } + + public boolean isUnresolved() { + return unresolved; + } + + public void setUnresolved(boolean unresolved) { + this.unresolved = unresolved; + } + +} diff --git a/sca-java-1.x/branches/sca-java-0.91/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationProcessor.java b/sca-java-1.x/branches/sca-java-0.91/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationProcessor.java new file mode 100644 index 0000000000..60d7b7fb5d --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.91/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationProcessor.java @@ -0,0 +1,111 @@ +/* + * 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.resource.impl; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; + +import java.io.IOException; +import java.net.URL; + +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.ContributionFactory; +import org.apache.tuscany.sca.contribution.DeployedArtifact; +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.implementation.resource.ResourceImplementation; +import org.apache.tuscany.sca.implementation.resource.ResourceImplementationFactory; + + +/** + * Implements a STAX artifact processor for resource implementations. + */ +public class ResourceImplementationProcessor implements StAXArtifactProcessor<ResourceImplementation> { + private static final QName IMPLEMENTATION_RESOURCE = new QName("http://www.osoa.org/xmlns/sca/1.0", "implementation.resource"); + + private ResourceImplementationFactory resourceFactory; + private ContributionFactory contributionFactory; + + public ResourceImplementationProcessor(ResourceImplementationFactory resourceFactory, ContributionFactory contributionFactory) { + this.resourceFactory = resourceFactory; + this.contributionFactory = contributionFactory; + } + + public QName getArtifactType() { + // Returns the qname of the XML element processed by this processor + return IMPLEMENTATION_RESOURCE; + } + + public Class<ResourceImplementation> getModelType() { + // Returns the type of model processed by this processor + return ResourceImplementation.class; + } + + public ResourceImplementation read(XMLStreamReader reader) throws ContributionReadException { + assert IMPLEMENTATION_RESOURCE.equals(reader.getName()); + + // Read an <implementation.resource> element + try { + // Read the directory attribute. This is where the sample + // CRUD implementation will persist resources. + String location = reader.getAttributeValue(null, "location"); + + // Create an initialize the resource implementationmodel + ResourceImplementation implementation = resourceFactory.createResourceImplementation(); + implementation.setLocation(location); + implementation.setUnresolved(true); + + // Skip to end element + while (reader.hasNext()) { + if (reader.next() == END_ELEMENT && IMPLEMENTATION_RESOURCE.equals(reader.getName())) { + break; + } + } + + return implementation; + } catch (XMLStreamException e) { + throw new ContributionReadException(e); + } + } + + public void resolve(ResourceImplementation impl, ModelResolver resolver) throws ContributionResolveException { + + // Resolve the resource directory location + DeployedArtifact artifact = contributionFactory.createDeployedArtifact(); + artifact.setURI(impl.getLocation()); + DeployedArtifact resolved = resolver.resolveModel(DeployedArtifact.class, artifact); + if (resolved.getLocation() != null) { + try { + impl.setLocationURL(new URL(resolved.getLocation())); + impl.setUnresolved(false); + } catch (IOException e) { + throw new ContributionResolveException(e); + } + } + } + + public void write(ResourceImplementation model, XMLStreamWriter outputSource) throws ContributionWriteException { + } +} |