diff options
Diffstat (limited to 'sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java')
-rw-r--r-- | sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java b/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java new file mode 100644 index 0000000000..8f91ff4343 --- /dev/null +++ b/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java @@ -0,0 +1,137 @@ +/* + * 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 javax.servlet.Servlet; + +import org.apache.tuscany.sca.binding.http.HTTPBinding; +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.provider.ServiceBindingProvider; +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 ServiceBindingProvider { + private RuntimeComponentService service; + private HTTPBinding binding; + private MessageFactory messageFactory; + + private ServletHost servletHost; + private String servletMapping; + private HTTPBindingListenerServlet bindingListenerServlet; + + public HTTPServiceBindingProvider(RuntimeComponent component, + RuntimeComponentService service, + HTTPBinding binding, + MessageFactory messageFactory, + ServletHost servletHost) { + this.service = service; + this.binding = binding; + this.messageFactory = messageFactory; + this.servletHost = servletHost; + } + + 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 (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 += "*"; + } + servletHost.addServletMapping(servletMapping, servlet); + } + + public void stop() { + // Unregister the Servlet from the Servlet host + servletHost.removeServletMapping(servletMapping); + } + + public InterfaceContract getBindingInterfaceContract() { + return null; + } + + public boolean supportsOneWayInvocation() { + return false; + } + +} |