diff options
Diffstat (limited to 'sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider')
3 files changed, 309 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingProviderFactory.java b/sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingProviderFactory.java new file mode 100644 index 0000000000..118a2c3bc4 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingProviderFactory.java @@ -0,0 +1,64 @@ +/* + * 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 org.apache.tuscany.sca.binding.http.HTTPBinding; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.host.http.ServletHostHelper; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.provider.BindingProviderFactory; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; +import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; + + +/** + * Factory for HTTP binding providers. + * + * @version $Rev$ $Date$ + */ +public class HTTPBindingProviderFactory implements BindingProviderFactory<HTTPBinding> { + private ExtensionPointRegistry extensionPoints; + private MessageFactory messageFactory; + private ServletHost servletHost; + + public HTTPBindingProviderFactory(ExtensionPointRegistry extensionPoints) { + this.extensionPoints = extensionPoints; + this.servletHost = ServletHostHelper.getServletHost(extensionPoints); + FactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class); + messageFactory = modelFactories.getFactory(MessageFactory.class); + } + + public ReferenceBindingProvider createReferenceBindingProvider(RuntimeEndpointReference endpointReference) { + // Binding HTTP is currently NOT supporting References + return null; + } + + public ServiceBindingProvider createServiceBindingProvider(RuntimeEndpoint endpoint) { + return new HTTPServiceBindingProvider(endpoint, extensionPoints, messageFactory, servletHost); + } + + public Class<HTTPBinding> getModelType() { + return HTTPBinding.class; + } +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingServiceServlet.java b/sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingServiceServlet.java new file mode 100644 index 0000000000..c345177146 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingServiceServlet.java @@ -0,0 +1,70 @@ +/* + * 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.io.IOException; + +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.apache.tuscany.sca.common.http.HTTPContext; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; + +/** + * HTTP Binding service servlet, that listens to HTTP + * requests and dispatch to the invocation chain. + * + * The proper invocation chains and/or wireformat interceptors + * will properly handle selecting the right operation and + * handling data + * + * @version $Rev$ $Date$ + */ +public class HTTPBindingServiceServlet extends HttpServlet { + private static final long serialVersionUID = 6496710199406616194L; + + protected transient MessageFactory messageFactory; + protected transient RuntimeEndpoint wire; + + public HTTPBindingServiceServlet(RuntimeEndpoint wire, MessageFactory messageFactory) { + this.wire = wire; + this.messageFactory = messageFactory; + } + + @Override + protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + HTTPContext bindingContext = new HTTPContext(); + bindingContext.setHttpRequest(request); + bindingContext.setHttpResponse(response); + Message msg = messageFactory.createMessage(); + msg.setBindingContext(bindingContext); + Message responseMessage = wire.invoke(msg); + // return response to client + if (responseMessage.isFault()) { + // Turn a fault into an exception + Throwable e = (Throwable)responseMessage.getBody(); + response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString()); + } + } +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java b/sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java new file mode 100644 index 0000000000..6d23bfd329 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java @@ -0,0 +1,175 @@ +/* + * 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.binding.http.operationselector.HTTPDefaultOperationSelector; +import org.apache.tuscany.sca.binding.http.wireformat.HTTPDefaultWireFormat; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.invocation.Phase; +import org.apache.tuscany.sca.provider.EndpointProvider; +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.WireFormatProvider; +import org.apache.tuscany.sca.provider.WireFormatProviderFactory; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; + +/** + * Implementation of an HTTP binding provider. + * + * @version $Rev$ $Date$ + */ +public class HTTPServiceBindingProvider implements EndpointProvider { + private ExtensionPointRegistry extensionPoints; + + private RuntimeEndpoint endpoint; + private HTTPBinding binding; + private MessageFactory messageFactory; + private OperationSelectorProvider osProvider; + private WireFormatProvider wfProvider; + private ServletHost servletHost; + private String servletMapping; + private InterfaceContract interfaceContract; + + public HTTPServiceBindingProvider(RuntimeEndpoint endpoint, + ExtensionPointRegistry extensionPoints, + MessageFactory messageFactory, + ServletHost servletHost) { + + this.endpoint = endpoint; + this.binding = (HTTPBinding)endpoint.getBinding(); + + this.extensionPoints = extensionPoints; + this.messageFactory = messageFactory; + this.servletHost = servletHost; + + if (binding.getOperationSelector() == null) { + binding.setOperationSelector(new HTTPDefaultOperationSelector()); + } + if (binding.getRequestWireFormat() == null) { + binding.setRequestWireFormat(new HTTPDefaultWireFormat()); + } + if (binding.getResponseWireFormat() == null) { + binding.setResponseWireFormat(new HTTPDefaultWireFormat()); + } + + 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(endpoint); + } + } + + 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(endpoint); + } + } + + //clone the service contract to avoid databinding issues + try { + interfaceContract = (InterfaceContract)endpoint.getComponentServiceInterfaceContract().clone(); + + // configure data binding + if (this.wfProvider != null) { + wfProvider.configureWireFormatInterfaceContract(interfaceContract); + } + } catch(CloneNotSupportedException e) { + // shouldn't happen + } + + servletMapping = binding.getURI(); + if (!servletMapping.endsWith("/")) { + servletMapping += "/"; + } + if (!servletMapping.endsWith("*")) { + servletMapping += "*"; + } + } + + public void start() { + + /** + * Consider three scenarios here : + * - Default servlet using service level operation + * - Default servlet using GET, PUT, POST, DELETE operations mapped to interface names with same name + * - RPC over HTTP like : http://localhost:8080/HelloworldComponent/Helloworld/sayHello?name=Petra + */ + if (binding.getOperationSelector() == null || binding.getRequestWireFormat() == null || binding.getResponseWireFormat() == null) { + throw new IllegalStateException("Binding operation selector and/or wire formats not properly setup."); + } + + Servlet servlet = new HTTPBindingServiceServlet(endpoint, messageFactory); + + // Create our HTTP service listener Servlet and register it with the + // Servlet host + servletMapping = binding.getURI(); + if (!servletMapping.endsWith("/")) { + servletMapping += "/"; + } + if (!servletMapping.endsWith("*")) { + servletMapping += "*"; + } + + String deployedURI = servletHost.addServletMapping(servletMapping, servlet); + endpoint.setDeployedURI(deployedURI); + } + + public void stop() { + servletHost.removeServletMapping(servletMapping); + } + + public InterfaceContract getBindingInterfaceContract() { + return interfaceContract; + } + + public boolean supportsOneWayInvocation() { + return false; + } + + /** + * Add specific http interceptor to invocation chain + */ + public void configure() { + InvocationChain bindingChain = endpoint.getBindingInvocationChain(); + + if(osProvider != null) { + bindingChain.addInterceptor(Phase.SERVICE_BINDING_OPERATION_SELECTOR, osProvider.createInterceptor()); + } + + if (wfProvider != null) { + bindingChain.addInterceptor(Phase.SERVICE_BINDING_WIREFORMAT, wfProvider.createInterceptor()); + } + + } + +} |