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Diffstat (limited to 'sca-java-2.x/branches/2.0-Beta3/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/DefaultSCABindingMapper.java')
-rw-r--r-- | sca-java-2.x/branches/2.0-Beta3/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/DefaultSCABindingMapper.java | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/DefaultSCABindingMapper.java b/sca-java-2.x/branches/2.0-Beta3/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/DefaultSCABindingMapper.java deleted file mode 100644 index c87779d58d..0000000000 --- a/sca-java-2.x/branches/2.0-Beta3/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/DefaultSCABindingMapper.java +++ /dev/null @@ -1,297 +0,0 @@ -/* - * 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.binding.sca.provider; - -import java.io.StringReader; -import java.util.Arrays; -import java.util.List; -import java.util.Map; -import java.util.logging.Logger; - -import javax.xml.namespace.QName; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; - -import org.apache.tuscany.sca.assembly.Base; -import org.apache.tuscany.sca.assembly.Binding; -import org.apache.tuscany.sca.assembly.builder.BindingBuilder; -import org.apache.tuscany.sca.assembly.builder.BuilderContext; -import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint; -import org.apache.tuscany.sca.common.xml.stax.StAXHelper; -import org.apache.tuscany.sca.contribution.processor.ContributionReadException; -import org.apache.tuscany.sca.contribution.processor.ProcessorContext; -import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; -import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.extensibility.ServiceDeclarationParser; -import org.apache.tuscany.sca.policy.PolicySubject; -import org.apache.tuscany.sca.provider.ProviderFactory; -import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; -import org.apache.tuscany.sca.provider.SCABindingMapper; -import org.apache.tuscany.sca.runtime.DomainRegistryFactory; -import org.apache.tuscany.sca.runtime.DomainRegistryFactoryExtensionPoint; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; -import org.apache.tuscany.sca.runtime.RuntimeEndpoint; -import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; -import org.oasisopen.sca.ServiceRuntimeException; - -/** - * Default implementation of SCABindingMapper - */ -public class DefaultSCABindingMapper implements SCABindingMapper { - private final static Logger logger = Logger.getLogger(DefaultSCABindingMapper.class.getName()); - protected ExtensionPointRegistry registry; - protected ProviderFactoryExtensionPoint providerFactories; - protected StAXArtifactProcessorExtensionPoint processors; - protected QName defaultMappedBinding; - protected QName defaultLocalBinding; - protected boolean supportsDistributedSCA; - - public DefaultSCABindingMapper(ExtensionPointRegistry registry, Map<String, String> attributes) { - this.registry = registry; - providerFactories = registry.getExtensionPoint(ProviderFactoryExtensionPoint.class); - processors = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); - defaultMappedBinding = getDefaultMappedBinding(attributes); - defaultLocalBinding = new QName(Base.SCA11_TUSCANY_NS, "binding.local"); - supportsDistributedSCA = isDistributed(); - } - - protected QName getDefaultMappedBinding(Map<String, String> attributes) { - QName defaultMappedBinding = null; - if (attributes != null) { - String qname = attributes.get("mappedBinding"); - if (qname != null) { - defaultMappedBinding = ServiceDeclarationParser.getQName(qname); - } - } - if (defaultMappedBinding == null) { - String qname = - System.getProperty("org.apache.tuscany.sca.binding.sca.provider.SCABindingMapper.mappedBinding"); - if (qname != null) { - defaultMappedBinding = ServiceDeclarationParser.getQName(qname); - } else { - // By default, mapping to binding.ws or if thats not available then binding.rmi - defaultMappedBinding = new QName(Base.SCA11_TUSCANY_NS, "binding.hazelcast"); - if (!isBindingSupported(defaultMappedBinding)) { - defaultMappedBinding = new QName(Base.SCA11_NS, "binding.ws"); - if (!isBindingSupported(defaultMappedBinding)) { - defaultMappedBinding = new QName(Base.SCA11_TUSCANY_NS, "binding.rmi"); - } - } - } - } - return defaultMappedBinding; - } - - private BindingBuilder<?> getBindingBuilder(QName binding) { - if (isBindingSupported(binding)) { - BuilderExtensionPoint builders = registry.getExtensionPoint(BuilderExtensionPoint.class); - BindingBuilder<?> builder = builders.getBindingBuilder(binding); - return builder; - } else { - return null; - } - } - - private boolean isBindingSupported(QName binding) { - if (binding == null) { - return false; - } - // Check if there is a processor - StAXArtifactProcessor<?> processor = processors.getProcessor(binding); - if (processor == null) { - // logger.warning("Mapped binding for binding.sca is not supported: " + binding); - return false; - } - - try { - if (processor != null) { - // Futher check if the provider is present - Binding bindingTemplate = createDelegatingBinding(binding); - ProviderFactory<?> providerFactory = providerFactories.getProviderFactory(bindingTemplate.getClass()); - if (providerFactory == null) { - // logger.warning("Mapped binding for binding.sca is not supported: " + binding); - processor = null; - return false; - } - } - } catch (Throwable e) { - throw new ServiceRuntimeException(e); - } - return true; - } - - // FIXME: [rfeng] This is a HACK to check if we should make binding.sca remotable - // by checking if we have distributed domain registry present - protected boolean isDistributed() { - DomainRegistryFactoryExtensionPoint factories = - registry.getExtensionPoint(DomainRegistryFactoryExtensionPoint.class); - List<DomainRegistryFactory> list = factories.getDomainRegistryFactories(); - if (list.size() == 1) { - String[] schemes = list.get(0).getSupportedSchemes(); - if (Arrays.asList(schemes).contains("local")) { - return false; - } - } - return true; - } - - public RuntimeEndpoint map(RuntimeEndpoint endpoint) { - QName bindingType = chooseBinding(endpoint); - if (!isBindingSupported(bindingType)) { - logger.warning("Mapped binding for binding.sca is not supported: " + bindingType); - return null; - } - - // create a copy of the endpoint but with the web service binding in - RuntimeEndpoint ep = null; - try { - ep = (RuntimeEndpoint)endpoint.clone(); - } catch (Exception ex) { - // we know we can clone endpoint references - } - - Binding binding = map(endpoint.getBinding(), bindingType); - ep.setBinding(binding); - BindingBuilder builder = getBindingBuilder(bindingType); - if (builder != null) { - builder.build(ep.getComponent(), ep.getService(), binding, new BuilderContext(registry), false); - } - return ep; - } - - public RuntimeEndpointReference map(RuntimeEndpointReference endpointReference) { - QName bindingType = chooseBinding(endpointReference); - if (!isBindingSupported(bindingType)) { - logger.warning("Mapped binding for binding.sca is not supported: " + bindingType); - return null; - } - - // create a copy of the endpoint but with the web service binding in - RuntimeEndpointReference epr = null; - try { - epr = (RuntimeEndpointReference)endpointReference.clone(); - } catch (Exception ex) { - // we know we can clone endpoint references - } - - Binding binding = map(endpointReference.getBinding(), bindingType); - epr.setBinding(binding); - - // epr.setTargetEndpoint(map((RuntimeEndpoint)epr.getTargetEndpoint())); - - BindingBuilder builder = getBindingBuilder(bindingType); - if (builder != null) { - builder.build(epr.getComponent(), epr.getReference(), binding, new BuilderContext(registry), false); - } - - return epr; - } - - protected Binding map(Binding scaBinding, QName newBindingType) { - try { - Binding binding = createDelegatingBinding(newBindingType); - binding.setName(scaBinding.getName()); - binding.setURI(scaBinding.getURI()); - binding.setOperationSelector(scaBinding.getOperationSelector()); - binding.setRequestWireFormat(scaBinding.getRequestWireFormat()); - binding.setResponseWireFormat(scaBinding.getResponseWireFormat()); - if (binding instanceof PolicySubject && scaBinding instanceof PolicySubject) { - PolicySubject subject1 = (PolicySubject)binding; - PolicySubject subject2 = (PolicySubject)scaBinding; - subject1.getPolicySets().addAll(subject2.getPolicySets()); - subject1.getRequiredIntents().addAll(subject2.getRequiredIntents()); - } - return binding; - } catch (Throwable e) { - throw new ServiceRuntimeException(e); - } - - } - - protected Binding createDelegatingBinding(QName bindingType) throws XMLStreamException, ContributionReadException { - StAXArtifactProcessor processor = processors.getProcessor(bindingType); - if (processor == null) { - logger.warning("Mapped binding for binding.sca is not supported: " + bindingType); - } - - StringBuffer xml = new StringBuffer(); - xml.append("<").append(bindingType.getLocalPart()).append(" xmlns:b=\"").append(bindingType.getNamespaceURI()) - .append("\"/>"); - - StAXHelper staxHelper = StAXHelper.getInstance(registry); - XMLStreamReader reader = staxHelper.createXMLStreamReader(new StringReader(xml.toString())); - reader.nextTag(); - Binding binding = (Binding)processor.read(reader, new ProcessorContext(registry)); - - return binding; - } - - /* - public boolean isRemotable(RuntimeEndpoint endpoint) { - return supportsDistributedSCA && isBindingSupported(chooseBinding(endpoint)); - } - - public boolean isRemotable(RuntimeEndpointReference endpointReference) { - return supportsDistributedSCA && isBindingSupported(chooseBinding(endpointReference)); - } - */ - - /** - * Choose the physical binding for service-side remotable binding.sca - * @param endpoint - * @return - */ - protected QName chooseBinding(RuntimeEndpoint endpoint) { - if(endpoint.getService().getInterfaceContract() != null - && ((RuntimeComponentService)endpoint.getService()).getInterfaceContract().getInterface().isRemotable() - && supportsDistributedSCA - && isBindingSupported(defaultMappedBinding)) { - return defaultMappedBinding; - } - - return defaultLocalBinding; - } - - /** - * Choose the physical binding for reference-side remotable binding.sca - * @param endpointReference - * @return - */ - protected QName chooseBinding(RuntimeEndpointReference endpointReference) { - if(endpointReference.getTargetEndpoint().isRemote()) { - RuntimeComponentReference ref = (RuntimeComponentReference)endpointReference.getReference(); - if(ref.getInterfaceContract() != null && !ref.getInterfaceContract().getInterface().isRemotable()) { - throw new ServiceRuntimeException("Reference interface not remotable for component: " - + endpointReference.getComponent().getName() - + " and reference: " - + ref.getName()); - } - - if(supportsDistributedSCA && isBindingSupported(defaultMappedBinding)) { - return defaultMappedBinding; - } - } - - return defaultLocalBinding; - } - -} |