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-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometBindingProviderFactory.java72
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometInvoker.java62
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometReferenceBindingProvider.java72
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometServiceBindingProvider.java90
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/ServletFactory.java155
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/handler/CometBindingHandler.java174
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/javascript/JavascriptGenerator.java107
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/javascript/JavascriptResource.java63
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.BindingProviderFactory20
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/cometComponentContext.js48
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/jquery.atmosphere.js534
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/jquery.json-2.2.min.js31
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/java/org/apache/tuscany/sca/test/CometTestCase.java55
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/java/org/apache/tuscany/sca/test/StockService.java28
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/java/org/apache/tuscany/sca/test/StockServiceImpl.java39
-rw-r--r--sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/resources/test.composite33
16 files changed, 1583 insertions, 0 deletions
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometBindingProviderFactory.java b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometBindingProviderFactory.java
new file mode 100644
index 0000000000..fc5fd9f371
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometBindingProviderFactory.java
@@ -0,0 +1,72 @@
+/*
+ * 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.comet.runtime;
+
+import org.apache.tuscany.sca.binding.comet.CometBinding;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.host.http.ServletHost;
+import org.apache.tuscany.sca.host.http.ServletHostHelper;
+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 binding providers.
+ */
+public class CometBindingProviderFactory implements BindingProviderFactory<CometBinding> {
+
+ /**
+ * Underlying servlet host. Injected by constructor.
+ */
+ private final ServletHost servletHost;
+
+ /**
+ * Constructor.
+ */
+ public CometBindingProviderFactory(final ExtensionPointRegistry extensionPoints) {
+ this.servletHost = ServletHostHelper.getServletHost(extensionPoints);
+ }
+
+ @Override
+ public Class<CometBinding> getModelType() {
+ return CometBinding.class;
+ }
+
+ /**
+ * Creates a provider for a reference that has comet binding specified in
+ * the scdl.
+ */
+ @Override
+ public ReferenceBindingProvider createReferenceBindingProvider(final RuntimeEndpointReference endpoint) {
+ return new CometReferenceBindingProvider(endpoint);
+ }
+
+ /**
+ * Creates a provider for a service that has comet binding specified in the
+ * scdl.
+ */
+ @Override
+ public ServiceBindingProvider createServiceBindingProvider(final RuntimeEndpoint endpoint) {
+ return new CometServiceBindingProvider(endpoint, this.servletHost);
+ }
+
+}
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometInvoker.java b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometInvoker.java
new file mode 100644
index 0000000000..9353571cb1
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometInvoker.java
@@ -0,0 +1,62 @@
+/*
+ * 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.comet.runtime;
+
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+
+/**
+ * Invoker for a service binding. Invoking is made from client Javascript so no
+ * behavior is needed.
+ */
+public class CometInvoker implements Invoker {
+
+ /**
+ * The invoked operation.
+ */
+ protected Operation operation;
+
+ /**
+ * The endpoint to which the operation belongs.
+ */
+ protected EndpointReference endpoint;
+
+ /**
+ * Default constructor.
+ *
+ * @param operation the operation
+ * @param endpoint the endpoint
+ */
+ public CometInvoker(final Operation operation, final EndpointReference endpoint) {
+ this.operation = operation;
+ this.endpoint = endpoint;
+ }
+
+ /**
+ * No behavior.
+ */
+ @Override
+ public Message invoke(final Message msg) {
+ return null;
+ }
+
+}
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometReferenceBindingProvider.java b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometReferenceBindingProvider.java
new file mode 100644
index 0000000000..17470e3738
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometReferenceBindingProvider.java
@@ -0,0 +1,72 @@
+/*
+ * 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.comet.runtime;
+
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
+
+/**
+ * Provider for references that have comet binding specified in the scdl. Not
+ * used as comet binding references would occur in client browser's Javascript.
+ */
+public class CometReferenceBindingProvider implements ReferenceBindingProvider {
+
+ /**
+ * Endpoint for which the binding provider is created.
+ */
+ private final EndpointReference endpoint;
+
+ public CometReferenceBindingProvider(final EndpointReference endpoint) {
+ this.endpoint = endpoint;
+ }
+
+ @Override
+ public Invoker createInvoker(final Operation operation) {
+ return new CometInvoker(operation, this.endpoint);
+ }
+
+ /**
+ * No behavior.
+ */
+ @Override
+ public void start() {
+ }
+
+ /**
+ * No behavior.
+ */
+ @Override
+ public void stop() {
+ }
+
+ @Override
+ public InterfaceContract getBindingInterfaceContract() {
+ return null;
+ }
+
+ @Override
+ public boolean supportsOneWayInvocation() {
+ return true;
+ }
+
+}
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometServiceBindingProvider.java b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometServiceBindingProvider.java
new file mode 100644
index 0000000000..31c0b5b4d8
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometServiceBindingProvider.java
@@ -0,0 +1,90 @@
+/*
+ * 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.comet.runtime;
+
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.binding.comet.runtime.javascript.JavascriptGenerator;
+import org.apache.tuscany.sca.host.http.ServletHost;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.provider.ServiceBindingProvider;
+import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
+
+/**
+ * Provider for services having comet binding specified in the scdl.
+ */
+public class CometServiceBindingProvider implements ServiceBindingProvider {
+
+ /**
+ * Service's endpoint.
+ */
+ private final RuntimeEndpoint endpoint;
+
+ /**
+ * The underlying servlet host.
+ */
+ private final ServletHost servletHost;
+
+ /**
+ * Constructor.
+ *
+ * @param endpoint the given endpoint
+ * @param servletHost the given servlet host
+ */
+ public CometServiceBindingProvider(final RuntimeEndpoint endpoint, final ServletHost servletHost) {
+ this.endpoint = endpoint;
+ this.servletHost = servletHost;
+ }
+
+ /**
+ * This method is used to start the provider.
+ */
+ @Override
+ public void start() {
+ ServletFactory.registerServlet(this.servletHost);
+ final ComponentService service = this.endpoint.getService();
+ final Interface serviceInterface = service.getInterfaceContract().getInterface();
+ JavascriptGenerator.generateServiceProxy(service);
+ for (final Operation operation : serviceInterface.getOperations()) {
+ JavascriptGenerator.generateMethodProxy(service, operation);
+ ServletFactory.addOperation(this.endpoint, operation);
+ }
+ }
+
+ /**
+ * This method is used to stop the provider.
+ */
+ @Override
+ public void stop() {
+ ServletFactory.unregisterServlet(this.servletHost);
+ }
+
+ @Override
+ public InterfaceContract getBindingInterfaceContract() {
+ return null;
+ }
+
+ @Override
+ public boolean supportsOneWayInvocation() {
+ return true;
+ }
+
+}
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/ServletFactory.java b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/ServletFactory.java
new file mode 100644
index 0000000000..c1244b3183
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/ServletFactory.java
@@ -0,0 +1,155 @@
+/*
+ * 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.comet.runtime;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.tuscany.sca.host.http.ServletHost;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
+import org.atmosphere.cpr.AtmosphereServlet;
+
+/**
+ * This class is used to create two servlets: one exposing all the comet
+ * services, the other one exposing the javascript toolkit. Exposing all comet
+ * services through a single servlet is needed as the browsers are undergone by
+ * the two http connection limit so all comet services should send their
+ * responses via the same http connection to the same client. Dispatching to the
+ * corresponding endpoint and operation is done internally using Jersey RESTful
+ * Web Services integration with the AtmosphereServlet. The Javascript toolkit
+ * servlet is unique as it is not tied to any of the services - it offers a
+ * global API.
+ */
+public final class ServletFactory {
+
+ /**
+ * Init-param key for the AtmosphereServlet defining where to look for
+ * Jersey classes.
+ */
+ private static final String PACKAGE_KEY = "com.sun.jersey.config.property.packages";
+
+ /**
+ * Package of the class handling dispatching to endpoints.
+ */
+ private static final String PACKAGE_VALUE = "org.apache.tuscany.sca.binding.comet.runtime.handler";
+
+ /**
+ * Package of the class handling Javascript toolkit retrieval.
+ */
+ private static final String JS_PACKAGE_VALUE = "org.apache.tuscany.sca.binding.comet.runtime.javascript";
+
+ /**
+ * Property in the ServletContext where endpoints are added incrementally as
+ * the Tuscany runtime calls the CometServiceBindingProvider for each comet
+ * service.
+ */
+ public static final String ENDPOINTS_KEY = "org.apache.tuscany.sca.binding.comet.endpoints";
+
+ /**
+ * Property in the ServletContext where operations are added incrementally
+ * as the CometServiceBindingProvider is calling the registerServlet method
+ * for each comet service method.
+ */
+ public static final String OPERATIONS_KEY = "org.apache.tuscany.sca.binding.comet.operations";
+
+ /**
+ * Path where services will be exposed.
+ */
+ public static final String PATH = "/tuscany-comet/*";
+
+ /**
+ * Path where Javascript toolkit will be exposed.
+ */
+ public static final String JS_PATH = "/org.apache.tuscany.sca.cometComponentContext.js/*";
+
+ /**
+ * The servlet that is exposing the comet services.
+ */
+ private static AtmosphereServlet cometServlet = null;
+
+ /**
+ * The servlet that is exposing the Javascript toolkit.
+ */
+ private static AtmosphereServlet javascriptServlet = null;
+
+ /**
+ * Private constructor for the singleton class.
+ */
+ private ServletFactory() {
+ }
+
+ /**
+ * Method called by CometServiceBindingProvider for each endpoint in order
+ * to create the two singleton servlets.
+ *
+ * @param servletHost the underlying servlet host
+ */
+ public static synchronized void registerServlet(final ServletHost servletHost) {
+ if (ServletFactory.cometServlet == null) {
+ ServletFactory.cometServlet = new AtmosphereServlet();
+ ServletFactory.cometServlet.addInitParameter(ServletFactory.PACKAGE_KEY, ServletFactory.PACKAGE_VALUE);
+ servletHost.addServletMapping(ServletFactory.PATH, ServletFactory.cometServlet);
+ // store operations and corresponding endpoint in the ServletContext
+ // so that they can be retrieved from inside the web service methods
+ final Map<String, RuntimeEndpoint> endpoints = new HashMap<String, RuntimeEndpoint>();
+ ServletFactory.cometServlet.getServletContext().setAttribute(ServletFactory.ENDPOINTS_KEY, endpoints);
+ final Map<String, Operation> operations = new HashMap<String, Operation>();
+ ServletFactory.cometServlet.getServletContext().setAttribute(ServletFactory.OPERATIONS_KEY, operations);
+ }
+ if (ServletFactory.javascriptServlet == null) {
+ ServletFactory.javascriptServlet = new AtmosphereServlet();
+ ServletFactory.javascriptServlet.addInitParameter(ServletFactory.PACKAGE_KEY,
+ ServletFactory.JS_PACKAGE_VALUE);
+ servletHost.addServletMapping(ServletFactory.JS_PATH, ServletFactory.javascriptServlet);
+ }
+ }
+
+ /**
+ * Method called by CometServiceBindingProvider for each endpoint operation
+ * in order to store all the operations the servlet will serve.
+ *
+ * @param endpoint the endpoint
+ * @param operation the operation
+ */
+ public static synchronized void addOperation(final RuntimeEndpoint endpoint, final Operation operation) {
+ final String url = "/" + endpoint.getService().getName() + "/" + operation.getName();
+ final Map<String, RuntimeEndpoint> endpoints =
+ (Map<String, RuntimeEndpoint>)ServletFactory.cometServlet.getServletContext()
+ .getAttribute(ServletFactory.ENDPOINTS_KEY);
+ endpoints.put(url, endpoint);
+ final Map<String, Operation> operations =
+ (Map<String, Operation>)ServletFactory.cometServlet.getServletContext()
+ .getAttribute(ServletFactory.OPERATIONS_KEY);
+ operations.put(url, operation);
+ }
+
+ /**
+ * Method called by CometServiceBindingProvider for each endpoint operation
+ * in order to remove the two servlets.
+ *
+ * @param servletHost the underlying servlet host
+ */
+ public static synchronized void unregisterServlet(final ServletHost servletHost) {
+ servletHost.removeServletMapping(ServletFactory.PATH);
+ servletHost.removeServletMapping(ServletFactory.JS_PATH);
+ }
+
+}
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/handler/CometBindingHandler.java b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/handler/CometBindingHandler.java
new file mode 100644
index 0000000000..512b834840
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/handler/CometBindingHandler.java
@@ -0,0 +1,174 @@
+/*
+ * 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.comet.runtime.handler;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import javax.servlet.ServletContext;
+import javax.ws.rs.FormParam;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Context;
+
+import org.apache.tuscany.sca.binding.comet.runtime.ServletFactory;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
+import org.atmosphere.annotation.Broadcast;
+import org.atmosphere.cpr.Broadcaster;
+import org.atmosphere.cpr.DefaultBroadcaster;
+import org.atmosphere.jersey.Broadcastable;
+import org.atmosphere.jersey.SuspendResponse;
+
+import com.google.gson.Gson;
+import com.sun.jersey.spi.container.servlet.PerSession;
+
+/**
+ * Class serving calls coming for comet services and operations.
+ */
+@Path("/")
+@Produces("text/html;charset=ISO-8859-1")
+@PerSession
+public class CometBindingHandler {
+
+ /**
+ * The object used to suspend the response and send async responses back to
+ * client.
+ */
+ private Broadcaster broadcaster;
+
+ /**
+ * The service endpoints corresponding to each operation.
+ */
+ private Map<String, RuntimeEndpoint> endpoints;
+
+ /**
+ * The comet operations.
+ */
+ private Map<String, Operation> operations;
+
+ /**
+ * JSON converter.
+ */
+ private Gson gson;
+
+ /**
+ * The underlying servlet context.
+ */
+ @Context
+ private ServletContext sc;
+
+ /**
+ * Method called at comet connect time. This suspends the response and keeps
+ * the connection opened.
+ *
+ * @return the suspended response
+ */
+ @GET
+ public SuspendResponse<String> connect() {
+ this.broadcaster = new DefaultBroadcaster();
+ this.endpoints = (Map<String, RuntimeEndpoint>)this.sc.getAttribute(ServletFactory.ENDPOINTS_KEY);
+ this.operations = (Map<String, Operation>)this.sc.getAttribute(ServletFactory.OPERATIONS_KEY);
+ this.gson = new Gson();
+ return new SuspendResponse.SuspendResponseBuilder<String>().broadcaster(this.broadcaster).outputComments(true)
+ .build();
+ }
+
+ /**
+ * Method called on service calls.
+ *
+ * @param service service called
+ * @param method operation called
+ * @param callbackMethod the callback method from Javascript
+ * @param jsonData arguments for the method sent as JSON array
+ * @return object used by the Broadcaster to send response through the
+ * persisted connection
+ * @throws InvocationTargetException if problems occur at service invocation
+ */
+ @POST
+ @Path("/{service}/{method}")
+ @Broadcast
+ public Broadcastable callAndRespond(@PathParam("service") final String service,
+ @PathParam("method") final String method,
+ @FormParam("callback") final String callbackMethod,
+ @FormParam("params") final String jsonData) throws InvocationTargetException {
+ final String url = "/" + service + "/" + method;
+ final RuntimeEndpoint wire = this.endpoints.get(url);
+ final Operation operation = this.operations.get(url);
+ final Object[] args = new Object[operation.getInputType().getLogical().size()];
+ final String[] json = this.parseArray(jsonData);
+ int index = 0;
+ // convert each argument to the corresponding class
+ for (final DataType<?> dataType : operation.getInputType().getLogical()) {
+ args[index] = this.gson.fromJson(json[index], dataType.getPhysical());
+ index++;
+ }
+ // invoke the service operation
+ final Object response = wire.invoke(operation, args);
+ return new Broadcastable(callbackMethod + "($.secureEvalJSON('" + this.gson.toJson(response) + "'))", "",
+ this.broadcaster);
+ }
+
+ /**
+ * Parse the JSON array containing the arguments for the method call in
+ * order to avoid converting JSON to Object[]. Converting each object
+ * separately to it's corresponding type avoids type mismatch problems at
+ * service invocation.
+ *
+ * @param jsonArray the JSON array
+ * @return an array of JSON formatted objects
+ */
+ private String[] parseArray(final String jsonArray) {
+ final List<String> objects = new ArrayList<String>();
+ int bracketNum = 0;
+ int parNum = 0;
+ int startPos = 1;
+ for (int i = 0; i < jsonArray.length(); i++) {
+ switch (jsonArray.charAt(i)) {
+ case '{':
+ bracketNum++;
+ break;
+ case '}':
+ bracketNum--;
+ break;
+ case '[':
+ parNum++;
+ break;
+ case ']':
+ parNum--;
+ break;
+ case ',':
+ if ((bracketNum == 0) && (parNum == 1)) {
+ objects.add(jsonArray.substring(startPos, i));
+ startPos = i + 1;
+ }
+ }
+ }
+ // add last object
+ objects.add(jsonArray.substring(startPos, jsonArray.length() - 1));
+ return objects.toArray(new String[] {});
+ }
+}
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/javascript/JavascriptGenerator.java b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/javascript/JavascriptGenerator.java
new file mode 100644
index 0000000000..b1205596ea
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/javascript/JavascriptGenerator.java
@@ -0,0 +1,107 @@
+/*
+ * 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.comet.runtime.javascript;
+
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.interfacedef.Operation;
+
+/**
+ * This class generates proxies for the comet services.
+ */
+public class JavascriptGenerator {
+
+ /**
+ * Namespace for the Tuscany Comet Javascript toolkit.
+ */
+ public static final String JS_NAMESPACE = "SCA";
+
+ /**
+ * Name for the SCA component context.
+ */
+ private static final String COMPONENT_CONTEXT = "this.CometComponentContext";
+
+ /**
+ * Name for the object performing comet specific tasks.
+ */
+ private static final String TUSCANY_COMET = "SCA.TuscanyComet";
+
+ /**
+ * Generated Javascript.
+ */
+ private static StringBuffer javascript = new StringBuffer();
+
+ /**
+ * Default constructor for utility class.
+ */
+ private JavascriptGenerator() {
+ }
+
+ /**
+ * Getter for the generated Javascript.
+ *
+ * @return the generated Javascript
+ */
+ public static StringBuffer getJavascript() {
+ return JavascriptGenerator.javascript;
+ }
+
+ /**
+ * Generates the proxy for a service.
+ *
+ * @param service the service for which generation is performed
+ */
+ public static void generateServiceProxy(final ComponentService service) {
+ JavascriptGenerator.javascript.append(JavascriptGenerator.COMPONENT_CONTEXT + "."
+ + service.getName()
+ + " = new Object();\n");
+ }
+
+ /**
+ * Generates the method inside the service proxy for the specified
+ * operation.
+ *
+ * @param service the service containing the operation
+ * @param operation the operation
+ */
+ public static void generateMethodProxy(final ComponentService service, final Operation operation) {
+ JavascriptGenerator.javascript.append(JavascriptGenerator.COMPONENT_CONTEXT + "."
+ + service.getName()
+ + "."
+ + operation.getName()
+ + " = function(");
+ for (int i = 0; i < operation.getInputType().getLogical().size(); i++) {
+ JavascriptGenerator.javascript.append("p" + i + ", ");
+ }
+ JavascriptGenerator.javascript.append("callbackMethod) {\n");
+ // send method argumets as JSON array
+ JavascriptGenerator.javascript.append(" var params = [];\n");
+ for (int i = 0; i < operation.getInputType().getLogical().size(); i++) {
+ JavascriptGenerator.javascript.append(" params.push(p" + i + ");\n");
+ }
+ JavascriptGenerator.javascript.append(" " + JavascriptGenerator.TUSCANY_COMET
+ + ".callAsync('"
+ + service.getName()
+ + "/"
+ + operation.getName()
+ + "', $.toJSON(params), callbackMethod);\n");
+ JavascriptGenerator.javascript.append("}\n");
+ }
+
+}
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/javascript/JavascriptResource.java b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/javascript/JavascriptResource.java
new file mode 100644
index 0000000000..9274009803
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/javascript/JavascriptResource.java
@@ -0,0 +1,63 @@
+/*
+ * 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.comet.runtime.javascript;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+import java.io.SequenceInputStream;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+
+/**
+ * Class serving the calls performed to retrieve the Javascript toolkit.
+ */
+@Path("/")
+@Produces("text/javascript")
+public class JavascriptResource {
+
+ /**
+ * Dependencies for the Tuscany Comet Javascript API.
+ */
+ private static final String[] DEPENDENCIES = {"/jquery.atmosphere.js", "/jquery.json-2.2.min.js",
+ "/cometComponentContext.js"};
+
+ /**
+ * Method called when the Javascript toolkit is requested.
+ *
+ * @return InputStream containing the Javascript code.
+ */
+ @GET
+ public InputStream getJavascript() {
+ InputStream stream = null;
+ // add dependencies in the specified order
+ for (final String dependency : JavascriptResource.DEPENDENCIES) {
+ if (stream == null) {
+ stream = this.getClass().getResourceAsStream(dependency);
+ } else {
+ stream = new SequenceInputStream(stream, this.getClass().getResourceAsStream(dependency));
+ }
+ }
+ // add generated proxies
+ final String generatedJs = JavascriptGenerator.getJavascript().toString() + "\n}";
+ return new SequenceInputStream(stream, new ByteArrayInputStream(generatedJs.getBytes()));
+ }
+}
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.BindingProviderFactory b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.BindingProviderFactory
new file mode 100644
index 0000000000..cb6db39c4e
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.BindingProviderFactory
@@ -0,0 +1,20 @@
+# 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.
+
+# Implementation class for the binding extension
+org.apache.tuscany.sca.binding.comet.runtime.CometBindingProviderFactory;model=org.apache.tuscany.sca.binding.comet.CometBinding
+
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/cometComponentContext.js b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/cometComponentContext.js
new file mode 100644
index 0000000000..9d9254199e
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/cometComponentContext.js
@@ -0,0 +1,48 @@
+
+/**
+ * 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.
+ */
+
+var SCA = new function() {
+
+this.TuscanyComet = {
+ appUrl: 'tuscany-comet',
+ connectedEndpoint : null,
+ connect : function(transport) {
+ $.atmosphere.subscribe(document.location.toString() + this.appUrl,
+ this.callback,
+ $.atmosphere.request = {
+ transport : transport
+ });
+ this.connectedEndpoint = $.atmosphere.response;
+ },
+ callAsync : function(url, params, callbackMethod) {
+ this.connectedEndpoint.push(document.location.toString()
+ + this.appUrl + '/' + url,
+ null,
+ $.atmosphere.request = {
+ method : 'POST',
+ data : 'callback=' + callbackMethod.name + '&params=' + params
+ });
+ },
+ callback : function(response) {
+ eval(response.responseBody);
+ }
+};
+
+this.CometComponentContext = new Object();
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/jquery.atmosphere.js b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/jquery.atmosphere.js
new file mode 100644
index 0000000000..eb94c9f6f5
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/jquery.atmosphere.js
@@ -0,0 +1,534 @@
+/**
+ * Licensed 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.
+ */
+jQuery.atmosphere = function()
+{
+ var activeRequest;
+ $(window).unload(function()
+ {
+ if (activeRequest)
+ activeRequest.abort();
+ });
+
+ return {
+ version : 0.7,
+ response : {
+ status: 200,
+ responseBody : '',
+ headers : [],
+ state : "messageReceived",
+ transport : "polling",
+ push : [],
+ error: null,
+ id : 0
+ },
+
+ request : {},
+ logLevel : 'info',
+ callbacks: [],
+ activeTransport : null,
+ websocket : null,
+ killHiddenIFrame : null,
+
+ subscribe: function(url, callback, request)
+ {
+ jQuery.atmosphere.request = jQuery.extend({
+ timeout: 300000,
+ method: 'GET',
+ headers: {},
+ contentType : "text/html;charset=ISO-8859-1",
+ cache: true,
+ async: true,
+ ifModified: false,
+ callback: null,
+ dataType: '',
+ url : url,
+ data : '',
+ suspend : true,
+ maxRequest : 60,
+ lastIndex : 0,
+ logLevel : 'info',
+ requestCount : 0,
+ fallbackTransport : 'streaming',
+ transport : 'long-polling'
+
+ }, request);
+
+ logLevel = jQuery.atmosphere.request.logLevel || 'info';
+ if (callback != null) {
+ jQuery.atmosphere.addCallback(callback);
+ jQuery.atmosphere.request.callback = callback;
+ }
+
+ if (jQuery.atmosphere.request.transport != jQuery.atmosphere.activeTransport) {
+ jQuery.atmosphere.closeSuspendedConnection();
+ }
+ jQuery.atmosphere.activeTransport = jQuery.atmosphere.request.transport;
+
+ if (jQuery.atmosphere.request.transport != 'websocket') {
+ jQuery.atmosphere.executeRequest();
+ } else if (jQuery.atmosphere.request.transport == 'websocket') {
+ if (!window.WebSocket) {
+ jQuery.atmosphere.log(logLevel, ["Websocket is not supported, using request.fallbackTransport"]);
+ jQuery.atmosphere.request.transport = jQuery.atmosphere.request.fallbackTransport;
+ jQuery.atmosphere.executeRequest();
+ }
+ else {
+ jQuery.atmosphere.executeWebSocket();
+ }
+ }
+ },
+
+ /**
+ * Always make sure one transport is used, not two at the same time except for Websocket.
+ */
+ closeSuspendedConnection : function () {
+ if (activeRequest != null) {
+ activeRequest.abort();
+ }
+
+ if (jQuery.atmosphere.websocket != null) {
+ jQuery.atmosphere.websocket.close();
+ jQuery.atmosphere.websocket = null;
+ }
+ },
+
+ executeRequest: function()
+ {
+
+ if (jQuery.atmosphere.request.transport == 'streaming') {
+ if ($.browser.msie) {
+ jQuery.atmosphere.ieStreaming();
+ return;
+ } else if ((typeof window.addEventStream) == 'function') {
+ jQuery.atmosphere.operaStreaming();
+ return;
+ }
+ }
+
+ if (jQuery.atmosphere.request.requestCount++ < jQuery.atmosphere.request.maxRequest) {
+ jQuery.atmosphere.response.push = function (url)
+ {
+ jQuery.atmosphere.request.callback = null;
+ jQuery.atmosphere.publish(url, null, jQuery.atmosphere.request);
+ };
+
+ var request = jQuery.atmosphere.request;
+ var response = jQuery.atmosphere.response;
+ if (request.transport != 'polling') {
+ response.transport = request.transport;
+ }
+
+ var ajaxRequest;
+ var error = false;
+ if ($.browser.msie) {
+ var activexmodes = ["Msxml2.XMLHTTP", "Microsoft.XMLHTTP"]
+ for (var i = 0; i < activexmodes.length; i++) {
+ try {
+ ajaxRequest = new ActiveXObject(activexmodes[i])
+ }
+ catch(e) {
+ }
+ }
+ } else if (window.XMLHttpRequest) {
+ ajaxRequest = new XMLHttpRequest();
+ }
+
+ if (request.suspend) {
+ activeRequest = ajaxRequest;
+ }
+
+ ajaxRequest.open(request.method, request.url, true);
+ ajaxRequest.setRequestHeader("X-Atmosphere-Framework", jQuery.atmosphere.version);
+ ajaxRequest.setRequestHeader("X-Atmosphere-Transport", request.transport);
+ ajaxRequest.setRequestHeader("X-Cache-Date", new Date());
+
+ if (!$.browser.msie) {
+ ajaxRequest.onerror = function()
+ {
+ error = true;
+ try {
+ response.status = XMLHttpRequest.status;
+ }
+ catch(e) {
+ response.status = 404;
+ }
+
+ response.state = "error";
+ jQuery.atmosphere.invokeCallback(response);
+ ajaxRequest.abort();
+ activeRequest = null;
+ }
+ }
+
+ ajaxRequest.onreadystatechange = function()
+ {
+ var junkForWebkit = false;
+ var update = false;
+ if (ajaxRequest.readyState == 4) {
+ jQuery.atmosphere.request = request;
+ if (request.suspend && ajaxRequest.status == 200) {
+ jQuery.atmosphere.executeRequest();
+ }
+
+ if ($.browser.msie) {
+ update = true;
+ }
+ } else if (!$.browser.msie && ajaxRequest.readyState == 3 && ajaxRequest.status == 200) {
+ update = true;
+ } else {
+ clearTimeout(request.id);
+ }
+
+ if (update) {
+ if (request.transport == 'streaming') {
+ response.responseBody = ajaxRequest.responseText.substring(request.lastIndex, ajaxRequest.responseText.length);
+ request.lastIndex = ajaxRequest.responseText.length;
+
+ if (response.responseBody.indexOf("<!--") != -1) {
+ junkForWebkit = true;
+ }
+
+ } else {
+ response.responseBody = ajaxRequest.responseText;
+ }
+
+ if (response.responseBody.indexOf("parent.callback") != -1) {
+ var start = response.responseBody.indexOf("('") + 2;
+ var end = response.responseBody.indexOf("')");
+ response.responseBody = response.responseBody.substring(start, end);
+ }
+
+ if (junkForWebkit) return;
+
+ try {
+ response.status = ajaxRequest.status;
+ response.headers = ajaxRequest.getAllResponseHeaders();
+ }
+ catch(e) {
+ response.status = 404;
+ }
+
+ if (request.suspend) {
+ response.state = "messageReceived";
+ } else {
+ response.state = "messagePublished";
+ }
+ jQuery.atmosphere.invokeCallback(response);
+ }
+ }
+ ajaxRequest.send(request.data);
+
+ if (request.suspend) {
+ request.id = setTimeout(function()
+ {
+ ajaxRequest.abort();
+ jQuery.atmosphere.subscribe(request.url, null, request);
+
+ }, request.timeout);
+ }
+ } else {
+ jQuery.atmosphere.log(logLevel, ["Max re-connection reached."]);
+ }
+ },
+
+ operaStreaming: function()
+ {
+
+ var url = jQuery.atmosphere.request.url;
+ var es = document.createElement('event-source');
+ var response = jQuery.atmosphere.response;
+
+ jQuery.atmosphere.response.push = function (url)
+ {
+ jQuery.atmosphere.request.transport = 'polling';
+ jQuery.atmosphere.request.callback = null;
+ jQuery.atmosphere.publish(url, null, jQuery.atmosphere.request);
+ };
+
+ es.setAttribute('src', url);
+ // without this check opera 9.5 would make two connections.
+ if (opera.version() < 9.5) {
+ document.body.appendChild(es);
+ }
+
+ var operaCallback = function (event) {
+ if (event.data) {
+ var junkForWebkit = false;
+
+ response.responseBody = event.data;
+ if (event.data.indexOf("<!--") != -1) {
+ junkForWebkit = true;
+ }
+
+ if (response.responseBody.indexOf("parent.callback") != -1) {
+ var start = response.responseBody.indexOf("('") + 2;
+ var end = response.responseBody.indexOf("')");
+ response.responseBody = response.responseBody.substring(start, end);
+ }
+
+ if (junkForWebkit) return;
+
+ response.state = "messageReceived";
+ jQuery.atmosphere.invokeCallback(response);
+ }
+ };
+
+ es.addEventListener('payload', operaCallback, false);
+
+ },
+
+ ieStreaming : function()
+ {
+ var url = jQuery.atmosphere.request.url;
+ jQuery.atmosphere.response.push = function (url)
+ {
+ jQuery.atmosphere.request.transport = 'polling';
+ jQuery.atmosphere.request.callback = null;
+ jQuery.atmosphere.publish(url, null, jQuery.atmosphere.request);
+ };
+
+ transferDoc = new ActiveXObject("htmlfile");
+ transferDoc.open();
+ transferDoc.close();
+ var ifrDiv = transferDoc.createElement("div");
+ transferDoc.body.appendChild(ifrDiv);
+ ifrDiv.innerHTML = "<iframe src='" + url + "'></iframe>";
+ transferDoc.parentWindow.callback = jQuery.atmosphere.streamingCallback;
+ }
+ ,
+
+ streamingCallback : function(args)
+ {
+ var response = jQuery.atmosphere.response;
+ response.transport = "streaming";
+ response.status = 200;
+ response.responseBody = args;
+ response.state = "messageReceived";
+
+ jQuery.atmosphere.invokeCallback(response);
+ }
+ ,
+
+ executeWebSocket : function()
+ {
+ var request = jQuery.atmosphere.request;
+ jQuery.atmosphere.log(logLevel, ["Invoking executeWebSocket"]);
+ jQuery.atmosphere.response.transport = "websocket";
+ var url = jQuery.atmosphere.request.url;
+ var callback = jQuery.atmosphere.request.callback;
+ var location = url.replace('http:', 'ws:').replace('https:', 'wss:');
+
+ var websocket = new WebSocket(location);
+ jQuery.atmosphere.websocket = websocket;
+
+ jQuery.atmosphere.response.push = function (url)
+ {
+ var data;
+ var ws = jQuery.atmosphere.websocket;
+ try {
+ data = jQuery.atmosphere.request.data;
+ ws.send(jQuery.atmosphere.request.data);
+ } catch (e) {
+ jQuery.atmosphere.log(logLevel, ["Websocket failed. Downgrading to Comet and resending " + data]);
+ // Websocket is not supported, reconnect using the fallback transport.
+ request.transport = request.fallbackTransport;
+ jQuery.atmosphere.request = request;
+ jQuery.atmosphere.executeRequest();
+
+ // Repost the data.
+ jQuery.atmosphere.request.suspend = false;
+ jQuery.atmosphere.request.method = 'POST';
+ jQuery.atmosphere.request.data = data;
+ jQuery.atmosphere.response.state = 'messageReceived';
+ jQuery.atmosphere.response.transport = request.fallbackTransport;
+ jQuery.atmosphere.publish(url, null, jQuery.atmosphere.request);
+
+ ws.onclose = function(message) {
+ }
+ ws.close();
+ }
+ };
+
+ websocket.onopen = function(message)
+ {
+ jQuery.atmosphere.response.state = 'openning';
+ jQuery.atmosphere.invokeCallback(jQuery.atmosphere.response);
+ };
+
+ websocket.onmessage = function(message)
+ {
+ var data = message.data;
+ if (data.indexOf("parent.callback") != -1) {
+ var start = data.indexOf("('") + 2;
+ var end = data.indexOf("')");
+ jQuery.atmosphere.response.responseBody = data.substring(start, end);
+ }
+ else {
+ jQuery.atmosphere.response.responseBody = data;
+ }
+ jQuery.atmosphere.invokeCallback(jQuery.atmosphere.response);
+ };
+
+ websocket.onerror = function(message)
+ {
+ jQuery.atmosphere.response.state = 'error';
+ jQuery.atmosphere.invokeCallback(jQuery.atmosphere.response);
+ };
+
+ websocket.onclose = function(message)
+ {
+ jQuery.atmosphere.response.state = 'closed';
+ jQuery.atmosphere.invokeCallback(jQuery.atmosphere.response);
+ };
+ }
+ ,
+
+ addCallback: function(func)
+ {
+ if (jQuery.inArray(func, jQuery.atmosphere.callbacks) == -1) {
+ jQuery.atmosphere.callbacks.push(func);
+ }
+ }
+ ,
+
+ removeCallback: function(func)
+ {
+ if (jQuery.inArray(func, jQuery.atmosphere.callbacks) != -1) {
+ jQuery.atmosphere.callbacks.splice(index);
+ }
+ }
+ ,
+
+ invokeCallback: function(response)
+ {
+ var call = function (index, func)
+ {
+ func(response);
+ };
+
+ jQuery.atmosphere.log(logLevel, ["Invoking " + jQuery.atmosphere.callbacks.length + " callbacks"]);
+ if (jQuery.atmosphere.callbacks.length > 0) {
+ jQuery.each(jQuery.atmosphere.callbacks, call);
+ }
+ }
+ ,
+
+ publish: function(url, callback, request)
+ {
+ jQuery.atmosphere.request = jQuery.extend({
+ connected: false,
+ timeout: 60000,
+ method: 'POST',
+ headers: {},
+ cache: true,
+ async: true,
+ ifModified: false,
+ callback: null,
+ dataType: '',
+ url : url,
+ data : '',
+ suspend : false,
+ maxRequest : 60,
+ logLevel : 'info',
+ requestCount : 0,
+ transport: 'polling'
+ }, request);
+
+ if (callback != null) {
+ jQuery.atmosphere.addCallback(callback);
+ }
+ jQuery.atmosphere.request.transport = 'polling';
+ if (jQuery.atmosphere.request.transport != 'websocket') {
+ jQuery.atmosphere.executeRequest();
+ } else if (jQuery.atmosphere.request.transport == 'websocket') {
+ if (!window.WebSocket) {
+ alert("WebSocket not supported by this browser");
+ }
+ else {
+ jQuery.atmosphere.executeWebSocket();
+ }
+ }
+ }
+ ,
+
+ unload: function (arg) {
+ if (window.addEventListener) {
+ document.addEventListener('unload', arg, false);
+ window.addEventListener('unload', arg, false);
+ } else { // IE
+ document.attachEvent('onunload', arg);
+ window.attachEvent('onunload', arg);
+ }
+ }
+ ,
+
+ kill_load_bar : function() {
+ if (jQuery.atmosphere.killHiddenIFrame == null) {
+ jQuery.atmosphere.killHiddenIFrame = document.createElement('iframe');
+ var ifr = jQuery.atmosphere.killHiddenIFrame;
+ ifr.style.display = 'block';
+ ifr.style.width = '0';
+ ifr.style.height = '0';
+ ifr.style.border = '0';
+ ifr.style.margin = '0';
+ ifr.style.padding = '0';
+ ifr.style.overflow = 'hidden';
+ ifr.style.visibility = 'hidden';
+ }
+ document.body.appendChild(ifr);
+ ifr.src = 'about:blank';
+ document.body.removeChild(ifr);
+ }
+ ,
+
+ log: function (level, args)
+ {
+ if (window.console)
+ {
+ var logger = window.console[level];
+ if (typeof logger == 'function')
+ {
+ logger.apply(window.console, args);
+ }
+ }
+ }
+ ,
+
+ warn: function()
+ {
+ log('warn', arguments);
+ }
+ ,
+
+
+ info :function()
+ {
+ if (logLevel != 'warn')
+ {
+ log('info', arguments);
+ }
+ }
+ ,
+
+ debug: function()
+ {
+ if (logLevel == 'debug')
+ {
+ log('debug', arguments);
+ }
+ }
+ }
+
+}
+ (); \ No newline at end of file
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/jquery.json-2.2.min.js b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/jquery.json-2.2.min.js
new file mode 100644
index 0000000000..bad4a0afa0
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/main/resources/jquery.json-2.2.min.js
@@ -0,0 +1,31 @@
+
+(function($){$.toJSON=function(o)
+{if(typeof(JSON)=='object'&&JSON.stringify)
+return JSON.stringify(o);var type=typeof(o);if(o===null)
+return"null";if(type=="undefined")
+return undefined;if(type=="number"||type=="boolean")
+return o+"";if(type=="string")
+return $.quoteString(o);if(type=='object')
+{if(typeof o.toJSON=="function")
+return $.toJSON(o.toJSON());if(o.constructor===Date)
+{var month=o.getUTCMonth()+1;if(month<10)month='0'+month;var day=o.getUTCDate();if(day<10)day='0'+day;var year=o.getUTCFullYear();var hours=o.getUTCHours();if(hours<10)hours='0'+hours;var minutes=o.getUTCMinutes();if(minutes<10)minutes='0'+minutes;var seconds=o.getUTCSeconds();if(seconds<10)seconds='0'+seconds;var milli=o.getUTCMilliseconds();if(milli<100)milli='0'+milli;if(milli<10)milli='0'+milli;return'"'+year+'-'+month+'-'+day+'T'+
+hours+':'+minutes+':'+seconds+'.'+milli+'Z"';}
+if(o.constructor===Array)
+{var ret=[];for(var i=0;i<o.length;i++)
+ret.push($.toJSON(o[i])||"null");return"["+ret.join(",")+"]";}
+var pairs=[];for(var k in o){var name;var type=typeof k;if(type=="number")
+name='"'+k+'"';else if(type=="string")
+name=$.quoteString(k);else
+continue;if(typeof o[k]=="function")
+continue;var val=$.toJSON(o[k]);pairs.push(name+":"+val);}
+return"{"+pairs.join(", ")+"}";}};$.evalJSON=function(src)
+{if(typeof(JSON)=='object'&&JSON.parse)
+return JSON.parse(src);return eval("("+src+")");};$.secureEvalJSON=function(src)
+{if(typeof(JSON)=='object'&&JSON.parse)
+return JSON.parse(src);var filtered=src;filtered=filtered.replace(/\\["\\\/bfnrtu]/g,'@');filtered=filtered.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,']');filtered=filtered.replace(/(?:^|:|,)(?:\s*\[)+/g,'');if(/^[\],:{}\s]*$/.test(filtered))
+return eval("("+src+")");else
+throw new SyntaxError("Error parsing JSON, source is not valid.");};$.quoteString=function(string)
+{if(string.match(_escapeable))
+{return'"'+string.replace(_escapeable,function(a)
+{var c=_meta[a];if(typeof c==='string')return c;c=a.charCodeAt();return'\\u00'+Math.floor(c/16).toString(16)+(c%16).toString(16);})+'"';}
+return'"'+string+'"';};var _escapeable=/["\\\x00-\x1f\x7f-\x9f]/g;var _meta={'\b':'\\b','\t':'\\t','\n':'\\n','\f':'\\f','\r':'\\r','"':'\\"','\\':'\\\\'};})(jQuery); \ No newline at end of file
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/java/org/apache/tuscany/sca/test/CometTestCase.java b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/java/org/apache/tuscany/sca/test/CometTestCase.java
new file mode 100644
index 0000000000..56c6b9f4f1
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/java/org/apache/tuscany/sca/test/CometTestCase.java
@@ -0,0 +1,55 @@
+/*
+ * 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.test;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sca.http.jetty.JettyServer;
+import org.apache.tuscany.sca.node.Contribution;
+import org.apache.tuscany.sca.node.ContributionLocationHelper;
+import org.apache.tuscany.sca.node.Node;
+import org.apache.tuscany.sca.node.NodeFactory;
+
+/**
+ * Test case for the comet binding.
+ */
+public class CometTestCase extends TestCase {
+
+ /**
+ * Test consisting in starting up a node containing services exposed via the
+ * comet binding.
+ */
+ public void testComet() {
+ JettyServer.portDefault = 8085;
+ try {
+ final String location = ContributionLocationHelper.getContributionLocation("test.composite");
+ final Node node = NodeFactory.newInstance().createNode("test.composite", new Contribution("c1", location));
+ node.start();
+ // System.out.println("Press any key to stop the node.");
+ // System.in.read();
+ node.stop();
+ } catch (final Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+}
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/java/org/apache/tuscany/sca/test/StockService.java b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/java/org/apache/tuscany/sca/test/StockService.java
new file mode 100644
index 0000000000..6d23479f30
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/java/org/apache/tuscany/sca/test/StockService.java
@@ -0,0 +1,28 @@
+/*
+ * 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.test;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+@Remotable
+public interface StockService {
+
+ String getQuotes();
+
+}
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/java/org/apache/tuscany/sca/test/StockServiceImpl.java b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/java/org/apache/tuscany/sca/test/StockServiceImpl.java
new file mode 100644
index 0000000000..359d7dec0b
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/java/org/apache/tuscany/sca/test/StockServiceImpl.java
@@ -0,0 +1,39 @@
+/*
+ * 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.test;
+
+import java.text.DecimalFormat;
+import java.util.Date;
+import java.util.Random;
+
+import org.oasisopen.sca.annotation.Service;
+
+@Service(StockService.class)
+public class StockServiceImpl implements StockService {
+
+ public static final int MAX_VALUE = 1000;
+ private final Random random = new Random(new Date().getTime());
+
+ @Override
+ public String getQuotes() {
+ final Double value = Math.abs(this.random.nextDouble() * this.random.nextInt(StockServiceImpl.MAX_VALUE));
+ return "ASF" + "#" + Double.valueOf(new DecimalFormat("#.##").format(value));
+ }
+
+}
diff --git a/sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/resources/test.composite b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/resources/test.composite
new file mode 100644
index 0000000000..15026167be
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-comet-runtime/src/test/resources/test.composite
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+ xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.1"
+ targetNamespace="http://samples"
+ name="Stock">
+
+ <component name="test">
+ <implementation.java class="org.apache.tuscany.sca.test.StockServiceImpl"/>
+ <service name="StockService">
+ <interface.java interface="org.apache.tuscany.sca.test.StockService"/>
+ <tuscany:binding.comet/>
+ </service>
+ </component>
+
+</composite> \ No newline at end of file