diff options
Diffstat (limited to 'sca-java-2.x/trunk/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/operationselector/provider/HTTPDefaultServiceOperationSelectorInterceptor.java')
-rw-r--r-- | sca-java-2.x/trunk/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/operationselector/provider/HTTPDefaultServiceOperationSelectorInterceptor.java | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/sca-java-2.x/trunk/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/operationselector/provider/HTTPDefaultServiceOperationSelectorInterceptor.java b/sca-java-2.x/trunk/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/operationselector/provider/HTTPDefaultServiceOperationSelectorInterceptor.java new file mode 100644 index 0000000000..e9cb0fd1da --- /dev/null +++ b/sca-java-2.x/trunk/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/operationselector/provider/HTTPDefaultServiceOperationSelectorInterceptor.java @@ -0,0 +1,108 @@ +/*
+ * 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.operationselector.provider;
+
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.apache.tuscany.sca.common.http.HTTPContext;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Interceptor;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
+import org.oasisopen.sca.ServiceRuntimeException;
+
+/**
+ * Sets the operation based on the request path.
+ *
+ * From a url: http://localhost:8080/HelloworldComponent/Helloworld/sayHello?name=Petra
+ * where the component is HelloworldComponent and the service is Helloworld
+ * the path will be "/sayHello" so the operation is "sayHello".
+ *
+ * TODO: we could also do something similar to how the JMS binding supports
+ * a single "onMessage" method to get all requests, so perhaps this could
+ * also support impls with method: service(HttpServletRequest, HttpServletResponse)
+ */
+public class HTTPDefaultServiceOperationSelectorInterceptor implements Interceptor {
+
+ private Invoker next;
+ private List<Operation> operations;
+
+ public HTTPDefaultServiceOperationSelectorInterceptor(RuntimeEndpoint endpoint) {
+ Interface serviceInterface = endpoint.getService().getInterfaceContract().getInterface();
+ this.operations = serviceInterface.getOperations();
+ }
+
+ @Override
+ public Message invoke(Message msg) {
+ HTTPContext context = msg.getBindingContext();
+ HttpServletRequest request = context.getHttpRequest();
+
+ Operation operation = findOperation(request.getMethod());
+ if(operation == null) {
+ operation = findOperation("service");
+ }
+
+ if(operation == null) {
+ throw new ServiceRuntimeException("No matching operation for " + request.getMethod());
+ }
+ msg.setOperation(operation);
+ return next.invoke(msg);
+ }
+
+ @Override
+ public void setNext(Invoker next) {
+ this.next = next;
+ }
+
+ @Override
+ public Invoker getNext() {
+ return next;
+ }
+
+
+
+ /**
+ * Find the operation from the component service contract
+ * @param componentService
+ * @param method
+ * @return
+ */
+ private Operation findOperation(String method) {
+ if (method.contains(".")) {
+ method = method.substring(method.lastIndexOf(".") + 1);
+ }
+
+ Operation result = null;
+ for (Operation o : operations) {
+ if (o.isDynamic())
+ return o;
+ if (o.getName().equalsIgnoreCase(method)) {
+ result = o;
+ break;
+ }
+ }
+
+ return result;
+ }
+}
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