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Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.6.2/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java')
| -rw-r--r-- | sca-java-1.x/branches/sca-java-1.6.2/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java new file mode 100644 index 0000000000..8e84d04b76 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java @@ -0,0 +1,265 @@ +/* + * 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.http.provider; + +import java.util.List; + +import javax.servlet.Servlet; +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.binding.http.HTTPBinding; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.host.http.SecurityContext; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.invocation.Phase; +import org.apache.tuscany.sca.policy.Intent; +import org.apache.tuscany.sca.policy.PolicySet; +import org.apache.tuscany.sca.policy.PolicySetAttachPoint; +import org.apache.tuscany.sca.policy.authentication.AuthenticationConfigurationPolicy; +import org.apache.tuscany.sca.policy.confidentiality.ConfidentialityPolicy; +import org.apache.tuscany.sca.provider.OperationSelectorProvider; +import org.apache.tuscany.sca.provider.OperationSelectorProviderFactory; +import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; +import org.apache.tuscany.sca.provider.ServiceBindingProviderRRB; +import org.apache.tuscany.sca.provider.WireFormatProvider; +import org.apache.tuscany.sca.provider.WireFormatProviderFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.apache.tuscany.sca.runtime.RuntimeWire; + +/** + * Implementation of an HTTP binding provider. + * + * @version $Rev$ $Date$ + */ +public class HTTPServiceBindingProvider implements ServiceBindingProviderRRB { + private static final QName AUTEHTICATION_INTENT = new QName("http://www.osoa.org/xmlns/sca/1.0","authentication"); + private static final QName CONFIDENTIALITY_INTENT = new QName("http://www.osoa.org/xmlns/sca/1.0","confidentiality"); + + private ExtensionPointRegistry extensionPoints; + + private RuntimeComponent component; + private RuntimeComponentService service; + private InterfaceContract serviceContract; + private HTTPBinding binding; + private MessageFactory messageFactory; + + private OperationSelectorProvider osProvider; + private WireFormatProvider wfProvider; + + private ServletHost servletHost; + private String servletMapping; + private HTTPBindingListenerServlet bindingListenerServlet; + + public HTTPServiceBindingProvider(RuntimeComponent component, + RuntimeComponentService service, + HTTPBinding binding, + ExtensionPointRegistry extensionPoints, + MessageFactory messageFactory, + ServletHost servletHost) { + this.component = component; + this.service = service; + + this.binding = binding; + this.extensionPoints = extensionPoints; + this.messageFactory = messageFactory; + this.servletHost = servletHost; + + // retrieve operation selector and wire format service providers + + ProviderFactoryExtensionPoint providerFactories = extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class); + + + if (binding.getOperationSelector() != null) { + // Configure the interceptors for operation selection + OperationSelectorProviderFactory osProviderFactory = (OperationSelectorProviderFactory) providerFactories.getProviderFactory(binding.getOperationSelector().getClass()); + if (osProviderFactory != null) { + this.osProvider = osProviderFactory.createServiceOperationSelectorProvider(component, service, binding); + } + } + + if (binding.getRequestWireFormat() != null && binding.getResponseWireFormat() != null) { + // Configure the interceptors for wire format + WireFormatProviderFactory wfProviderFactory = (WireFormatProviderFactory) providerFactories.getProviderFactory(binding.getRequestWireFormat().getClass()); + if (wfProviderFactory != null) { + this.wfProvider = wfProviderFactory.createServiceWireFormatProvider(component, service, binding); + } + } + + + + //clone the service contract to avoid databinding issues + try { + this.serviceContract = (InterfaceContract) service.getInterfaceContract().clone(); + + // configure data binding + if (this.wfProvider != null) { + wfProvider.configureWireFormatInterfaceContract(service.getInterfaceContract()); + } + } catch(CloneNotSupportedException e) { + this.serviceContract = service.getInterfaceContract(); + } + + } + + public void start() { + // Get the invokers for the supported operations + RuntimeComponentService componentService = (RuntimeComponentService) service; + RuntimeWire wire = componentService.getRuntimeWire(binding); + Servlet servlet = null; + bindingListenerServlet = new HTTPBindingListenerServlet(binding, messageFactory ); + for (InvocationChain invocationChain : wire.getInvocationChains()) { + Operation operation = invocationChain.getTargetOperation(); + String operationName = operation.getName(); + if (binding.getOperationSelector() != null || binding.getRequestWireFormat() != null) { + Invoker bindingInvoker = wire.getBindingInvocationChain().getHeadInvoker(); + servlet = new HTTPRRBListenerServlet(binding, bindingInvoker, messageFactory); + break; + } else if (operationName.equals("get")) { + Invoker getInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setGetInvoker(getInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("conditionalGet")) { + Invoker conditionalGetInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setConditionalGetInvoker(conditionalGetInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("delete")) { + Invoker deleteInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setDeleteInvoker(deleteInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("conditionalDelete")) { + Invoker conditionalDeleteInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setConditionalDeleteInvoker(conditionalDeleteInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("put")) { + Invoker putInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setPutInvoker(putInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("conditionalPut")) { + Invoker conditionalPutInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setConditionalPutInvoker(conditionalPutInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("post")) { + Invoker postInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setPostInvoker(postInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("conditionalPost")) { + Invoker conditionalPostInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setConditionalPostInvoker(conditionalPostInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("service")) { + Invoker serviceInvoker = invocationChain.getHeadInvoker(); + servlet = new HTTPServiceListenerServlet(binding, serviceInvoker, messageFactory); + break; + } + } + if (servlet == null) { + throw new IllegalStateException("No get or service method found on the service"); + } + + // Create our HTTP service listener Servlet and register it with the + // Servlet host + servletMapping = binding.getURI(); + if (!servletMapping.endsWith("/")) { + servletMapping += "/"; + } + if (!servletMapping.endsWith("*")) { + servletMapping += "*"; + } + + + SecurityContext securityContext = new SecurityContext(); + boolean isConfidentialityRequired = false; + boolean isAuthenticationRequired = false; + + + // find out which policies are active + if (binding instanceof PolicySetAttachPoint) { + List<Intent> intents = ((PolicySetAttachPoint)binding).getRequiredIntents(); + for(Intent intent : intents) { + if (intent.getName().equals(AUTEHTICATION_INTENT)) { + isAuthenticationRequired = true; + } else if (intent.getName().equals(CONFIDENTIALITY_INTENT)) { + isConfidentialityRequired = true; + } + } + + List<PolicySet> policySets = ((PolicySetAttachPoint)binding).getApplicablePolicySets(); + for (PolicySet ps : policySets) { + for (Object p : ps.getPolicies()) { + if (ConfidentialityPolicy.class.isInstance(p) && isConfidentialityRequired) { + //Handle enabling and configuring SSL + ConfidentialityPolicy confidentialityPolicy = (ConfidentialityPolicy)p; + + securityContext.setSSLEnabled(true); + securityContext.setSSLProperties(confidentialityPolicy.toProperties()); + } else if(AuthenticationConfigurationPolicy.class.isInstance(p) && isAuthenticationRequired) { + // Handle authentication and user configuration + AuthenticationConfigurationPolicy authenticationConfiguration = (AuthenticationConfigurationPolicy)p; + + securityContext.setAuthenticationEnabled(true); + securityContext.getUsers().clear(); + securityContext.getUsers().addAll(authenticationConfiguration.getUsers()); + } + } + } + } + + + servletHost.addServletMapping(servletMapping, servlet, securityContext); + } + + public void stop() { + // Unregister the Servlet from the Servlet host + servletHost.removeServletMapping(servletMapping); + } + + public InterfaceContract getBindingInterfaceContract() { + return service.getInterfaceContract(); + } + + public boolean supportsOneWayInvocation() { + return false; + } + + /** + * Add specific http interceptor to invocation chain + * @param runtimeWire + */ + public void configureBindingChain(RuntimeWire runtimeWire) { + + InvocationChain bindingChain = runtimeWire.getBindingInvocationChain(); + + if(osProvider != null) { + bindingChain.addInterceptor(Phase.SERVICE_BINDING_OPERATION_SELECTOR, osProvider.createInterceptor()); + } + + if (wfProvider != null) { + bindingChain.addInterceptor(Phase.SERVICE_BINDING_WIREFORMAT, wfProvider.createInterceptor()); + } + + } + +} |