diff options
Diffstat (limited to '')
5 files changed, 811 insertions, 0 deletions
diff --git a/branches/sca-equinox/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java b/branches/sca-equinox/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java new file mode 100644 index 0000000000..582742bd3f --- /dev/null +++ b/branches/sca-equinox/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java @@ -0,0 +1,432 @@ +/*
+ * 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 java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URLDecoder;
+import java.text.ParseException;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.tuscany.sca.binding.http.CacheContext;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+
+/**
+ * Servlet responsible for dispatching HTTP requests to the
+ * target component implementation.
+ *
+ * @version $Rev$ $Date$
+ */
+public class HTTPBindingListenerServlet extends HttpServlet {
+ private static final long serialVersionUID = 2865466417329430610L;
+
+ private MessageFactory messageFactory;
+ private Invoker getInvoker;
+ private Invoker conditionalGetInvoker;
+ private Invoker putInvoker;
+ private Invoker conditionalPutInvoker;
+ private Invoker postInvoker;
+ private Invoker conditionalPostInvoker;
+ private Invoker deleteInvoker;
+ private Invoker conditionalDeleteInvoker;
+
+ /**
+ * Constructs a new HTTPServiceListenerServlet.
+ */
+ public HTTPBindingListenerServlet(MessageFactory messageFactory) {
+ this.messageFactory = messageFactory;
+ }
+
+
+ @Override
+ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+ // Get the request path
+ String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+ if (path.length() ==0) {
+ // Redirect to a URL ending with / to make relative hrefs work
+ // relative to the served resource.
+ response.sendRedirect(request.getRequestURL().append('/').toString());
+ return;
+ }
+
+ // Invoke the get operation on the service implementation
+ Message requestMessage = messageFactory.createMessage();
+ String id = path.substring(1);
+
+ Message responseMessage = null;
+ CacheContext cacheContext = null;
+ try {
+ cacheContext = CacheContext.getCacheContextFromRequest(request);
+ } catch (ParseException e) {
+ }
+
+ // Route message based on availability of cache info and cache methods
+ if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalGetInvoker != null )) {
+ requestMessage.setBody(new Object[] {id, cacheContext});
+ responseMessage = conditionalGetInvoker.invoke(requestMessage);
+ } else {
+ requestMessage.setBody(new Object[] {id});
+ responseMessage = getInvoker.invoke(requestMessage);
+ }
+ if (responseMessage.isFault()) {
+ Object body = responseMessage.getBody();
+
+ int index = -1;
+ if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED );
+ return;
+ } else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED );
+ return;
+ }
+
+ throw new ServletException((Throwable)responseMessage.getBody());
+ }
+
+ // Write the response from the service implementation to the response
+ // output stream
+ InputStream is = (InputStream)responseMessage.getBody();
+ OutputStream os = response.getOutputStream();
+ byte[] buffer = new byte[2048];
+ for (;;) {
+ int n = is.read(buffer);
+ if (n <= 0)
+ break;
+ os.write(buffer, 0, n);
+ }
+ os.flush();
+ os.close();
+ }
+
+ @Override
+ protected void doDelete(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+ // Get the request path
+ String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+ if (path.length() ==0) {
+ // Redirect to a URL ending with / to make relative hrefs work
+ // relative to the served resource.
+ response.sendRedirect(request.getRequestURL().append('/').toString());
+ return;
+ }
+
+ // Invoke the get operation on the service implementation
+ Message requestMessage = messageFactory.createMessage();
+ String id = path.substring(1);
+
+ Message responseMessage = null;
+ CacheContext cacheContext = null;
+ try {
+ cacheContext = CacheContext.getCacheContextFromRequest(request);
+ } catch (ParseException e) {
+ }
+
+ // Route message based on availability of cache info and cache methods
+ if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalDeleteInvoker != null )) {
+ requestMessage.setBody(new Object[] {id, cacheContext});
+ responseMessage = conditionalDeleteInvoker.invoke(requestMessage);
+ } else {
+ requestMessage.setBody(new Object[] {id});
+ responseMessage = deleteInvoker.invoke(requestMessage);
+ }
+ if (responseMessage.isFault()) {
+ Object body = responseMessage.getBody();
+
+ int index = -1;
+ if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED );
+ return;
+ } else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED );
+ return;
+ }
+
+ throw new ServletException((Throwable)responseMessage.getBody());
+ }
+
+ // Write the response from the service implementation to the response
+ // output stream
+ InputStream is = (InputStream)responseMessage.getBody();
+ OutputStream os = response.getOutputStream();
+ byte[] buffer = new byte[2048];
+ for (;;) {
+ int n = is.read(buffer);
+ if (n <= 0)
+ break;
+ os.write(buffer, 0, n);
+ }
+ os.flush();
+ os.close();
+ }
+
+ @Override
+ protected void doPut(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+ // Get the request path
+ String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+ if (path.length() ==0) {
+ // Redirect to a URL ending with / to make relative hrefs work
+ // relative to the served resource.
+ response.sendRedirect(request.getRequestURL().append('/').toString());
+ return;
+ }
+
+ // Invoke the get operation on the service implementation
+ Message requestMessage = messageFactory.createMessage();
+ String id = path.substring(1);
+
+ Message responseMessage = null;
+ CacheContext cacheContext = null;
+ try {
+ cacheContext = CacheContext.getCacheContextFromRequest(request);
+ } catch (ParseException e) {
+ }
+
+ // Route message based on availability of cache info and cache methods
+ if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalPutInvoker != null )) {
+ requestMessage.setBody(new Object[] {id, cacheContext});
+ responseMessage = conditionalPutInvoker.invoke(requestMessage);
+ } else {
+ requestMessage.setBody(new Object[] {id});
+ responseMessage = putInvoker.invoke(requestMessage);
+ }
+ if (responseMessage.isFault()) {
+ Object body = responseMessage.getBody();
+
+ int index = -1;
+ if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED );
+ return;
+ } else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED );
+ return;
+ }
+
+ throw new ServletException((Throwable)responseMessage.getBody());
+ }
+
+ // Write the response from the service implementation to the response
+ // output stream
+ InputStream is = (InputStream)responseMessage.getBody();
+ OutputStream os = response.getOutputStream();
+ byte[] buffer = new byte[2048];
+ for (;;) {
+ int n = is.read(buffer);
+ if (n <= 0)
+ break;
+ os.write(buffer, 0, n);
+ }
+ os.flush();
+ os.close();
+ }
+
+ @Override
+ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+ // Get the request path
+ String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+ if (path.length() ==0) {
+ // Redirect to a URL ending with / to make relative hrefs work
+ // relative to the served resource.
+ response.sendRedirect(request.getRequestURL().append('/').toString());
+ return;
+ }
+
+ // Invoke the get operation on the service implementation
+ Message requestMessage = messageFactory.createMessage();
+ // String id = path.substring(1);
+
+ Message responseMessage = null;
+ CacheContext cacheContext = null;
+ try {
+ cacheContext = CacheContext.getCacheContextFromRequest(request);
+ } catch (ParseException e) {
+ }
+
+ // Route message based on availability of cache info and cache methods
+ if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalPostInvoker != null )) {
+ requestMessage.setBody(new Object[] {cacheContext});
+ responseMessage = conditionalPostInvoker.invoke(requestMessage);
+ } else {
+ requestMessage.setBody(new Object[] {});
+ responseMessage = postInvoker.invoke(requestMessage);
+ }
+ if (responseMessage.isFault()) {
+ Object body = responseMessage.getBody();
+
+ int index = -1;
+ if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED );
+ return;
+ } else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED );
+ return;
+ }
+
+ throw new ServletException((Throwable)responseMessage.getBody());
+ }
+
+ // Put ETag and LastModified in response.
+ CacheContext cc = (CacheContext)responseMessage.getBody();
+ response.setHeader( "ETag", cc.getETag() );
+ response.setHeader( "LastModified", cc.getLastModified() );
+ }
+
+ /**
+ * @return the getInvoker
+ */
+ public Invoker getGetInvoker() {
+ return getInvoker;
+ }
+
+ /**
+ * @param getInvoker the getInvoker to set
+ */
+ public void setGetInvoker(Invoker getInvoker) {
+ this.getInvoker = getInvoker;
+ }
+
+ /**
+ * @return the conditionalGetInvoker
+ */
+ public Invoker getConditionalGetInvoker() {
+ return conditionalGetInvoker;
+ }
+
+ /**
+ * @param conditionalGetInvoker the conditionalGetInvoker to set
+ */
+ public void setConditionalGetInvoker(Invoker conditionalGetInvoker) {
+ this.conditionalGetInvoker = conditionalGetInvoker;
+ }
+
+ /**
+ * @return the putInvoker
+ */
+ public Invoker getPutInvoker() {
+ return putInvoker;
+ }
+
+ /**
+ * @param putInvoker the putInvoker to set
+ */
+ public void setPutInvoker(Invoker putInvoker) {
+ this.putInvoker = putInvoker;
+ }
+
+ /**
+ * @return the conditionalPutInvoker
+ */
+ public Invoker getConditionalPutInvoker() {
+ return conditionalPutInvoker;
+ }
+
+ /**
+ * @param conditionalPutInvoker the conditionalPutInvoker to set
+ */
+ public void setConditionalPutInvoker(Invoker conditionalPutInvoker) {
+ this.conditionalPutInvoker = conditionalPutInvoker;
+ }
+
+ /**
+ * @return the postInvoker
+ */
+ public Invoker getPostInvoker() {
+ return postInvoker;
+ }
+
+ /**
+ * @param postInvoker the postInvoker to set
+ */
+ public void setPostInvoker(Invoker postInvoker) {
+ this.postInvoker = postInvoker;
+ }
+
+ /**
+ * @return the conditionalPostInvoker
+ */
+ public Invoker getConditionalPostInvoker() {
+ return conditionalPostInvoker;
+ }
+
+ /**
+ * @param conditionalPostInvoker the conditionalPostInvoker to set
+ */
+ public void setConditionalPostInvoker(Invoker conditionalPostInvoker) {
+ this.conditionalPostInvoker = conditionalPostInvoker;
+ }
+
+ /**
+ * @return the deleteInvoker
+ */
+ public Invoker getDeleteInvoker() {
+ return deleteInvoker;
+ }
+
+ /**
+ * @param deleteInvoker the deleteInvoker to set
+ */
+ public void setDeleteInvoker(Invoker deleteInvoker) {
+ this.deleteInvoker = deleteInvoker;
+ }
+
+ /**
+ * @return the conditionalDeleteInvoker
+ */
+ public Invoker getConditionalDeleteInvoker() {
+ return conditionalDeleteInvoker;
+ }
+
+ /**
+ * @param conditionalDeleteInvoker the conditionalDeleteInvoker to set
+ */
+ public void setConditionalDeleteInvoker(Invoker conditionalDeleteInvoker) {
+ this.conditionalDeleteInvoker = conditionalDeleteInvoker;
+ }
+
+}
diff --git a/branches/sca-equinox/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingProviderFactory.java b/branches/sca-equinox/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingProviderFactory.java new file mode 100644 index 0000000000..fccd10f3cd --- /dev/null +++ b/branches/sca-equinox/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.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.host.http.ServletHostExtensionPoint; +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.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + + +/** + * Factory for HTTP binding providers. + * + * @version $Rev$ $Date$ + */ +public class HTTPBindingProviderFactory implements BindingProviderFactory<HTTPBinding> { + + private MessageFactory messageFactory; + private ServletHost servletHost; + + public HTTPBindingProviderFactory(ExtensionPointRegistry extensionPoints) { + ServletHostExtensionPoint servletHosts = extensionPoints.getExtensionPoint(ServletHostExtensionPoint.class); + this.servletHost = servletHosts.getServletHosts().get(0); + ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + messageFactory = modelFactories.getFactory(MessageFactory.class); + } + + public ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component, RuntimeComponentReference reference, HTTPBinding binding) { + return null; + } + + public ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component, RuntimeComponentService service, HTTPBinding binding) { + return new HTTPServiceBindingProvider(component, service, binding, messageFactory, servletHost); + } + + public Class<HTTPBinding> getModelType() { + return HTTPBinding.class; + } +} diff --git a/branches/sca-equinox/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPGetListenerServlet.java b/branches/sca-equinox/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPGetListenerServlet.java new file mode 100644 index 0000000000..e20d420d49 --- /dev/null +++ b/branches/sca-equinox/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPGetListenerServlet.java @@ -0,0 +1,94 @@ +/* + * 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 java.io.InputStream; +import java.io.OutputStream; +import java.net.URLDecoder; + +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.MessageFactory; + +/** + * Servlet responsible for dispatching HTTP GET requests to the + * target component implementation. + * + * @version $Rev$ $Date$ + */ +public class HTTPGetListenerServlet extends HttpServlet { + private static final long serialVersionUID = 2865466417329430610L; + + private MessageFactory messageFactory; + private Invoker getInvoker; + + /** + * Constructs a new HTTPServiceListenerServlet. + */ + public HTTPGetListenerServlet(Invoker getInvoker, MessageFactory messageFactory) { + this.getInvoker = getInvoker; + this.messageFactory = messageFactory; + } + + @Override + protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + + // Get the request path + String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8"); + if (path.length() ==0) { + + // Redirect to a URL ending with / to make relative hrefs work + // relative to the served resource. + response.sendRedirect(request.getRequestURL().append('/').toString()); + return; + } + + // Invoke the get operation on the service implementation + Message requestMessage = messageFactory.createMessage(); + String id = path.substring(1); + requestMessage.setBody(new Object[] {id}); + Message responseMessage = getInvoker.invoke(requestMessage); + if (responseMessage.isFault()) { + throw new ServletException((Throwable)responseMessage.getBody()); + } + + // Write the response from the service implementation to the response + // output stream + InputStream is = (InputStream)responseMessage.getBody(); + OutputStream os = response.getOutputStream(); + byte[] buffer = new byte[2048]; + for (;;) { + int n = is.read(buffer); + if (n <= 0) + break; + os.write(buffer, 0, n); + } + os.flush(); + os.close(); + + } + +} diff --git a/branches/sca-equinox/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java b/branches/sca-equinox/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java new file mode 100644 index 0000000000..0a8f74edca --- /dev/null +++ b/branches/sca-equinox/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( 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(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; + } + +} diff --git a/branches/sca-equinox/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceListenerServlet.java b/branches/sca-equinox/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceListenerServlet.java new file mode 100644 index 0000000000..03b91c4db2 --- /dev/null +++ b/branches/sca-equinox/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceListenerServlet.java @@ -0,0 +1,84 @@ +/* + * 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.Servlet; +import javax.servlet.ServletConfig; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; +import javax.servlet.http.HttpServletResponse; + +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.MessageFactory; + +/** + * Servlet responsible for dispatching HTTP service requests to the + * target component implementation. + * + * @version $Rev$ $Date$ + */ +public class HTTPServiceListenerServlet implements Servlet { + + private ServletConfig config; + private MessageFactory messageFactory; + private Invoker serviceInvoker; + + /** + * Constructs a new HTTPServiceListenerServlet. + */ + public HTTPServiceListenerServlet(Invoker serviceInvoker, MessageFactory messageFactory) { + this.serviceInvoker = serviceInvoker; + this.messageFactory = messageFactory; + } + + public ServletConfig getServletConfig() { + return config; + } + + public String getServletInfo() { + return ""; + } + + public void init(ServletConfig config) throws ServletException { + this.config = config; + } + + public void destroy() { + } + + public void service(ServletRequest request, ServletResponse response) throws ServletException, IOException { + + // Dispatch the service interaction to the service invoker + Message requestMessage = messageFactory.createMessage(); + requestMessage.setBody(new Object[]{request, response}); + Message responseMessage = serviceInvoker.invoke(requestMessage); + if (responseMessage.isFault()) { + // Turn a fault into an exception + //throw new ServletException((Throwable)responseMessage.getBody()); + Throwable e = (Throwable)responseMessage.getBody(); + ((HttpServletResponse)response).sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString()); + } + } + +} |