diff options
Diffstat (limited to 'sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main')
19 files changed, 2013 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometBindingProviderFactory.java b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometBindingProviderFactory.java new file mode 100644 index 0000000000..f6c393dcb4 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometBindingProviderFactory.java @@ -0,0 +1,69 @@ +/* + * 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. + */ + private final ServletHost servletHost; + + 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/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometCallbackInvoker.java b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometCallbackInvoker.java new file mode 100644 index 0000000000..b973c90728 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometCallbackInvoker.java @@ -0,0 +1,69 @@ +/* + * 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.binding.comet.runtime.callback.Status; +import org.apache.tuscany.sca.binding.comet.runtime.manager.CometSessionManager; +import org.apache.tuscany.sca.core.invocation.Constants; +import org.apache.tuscany.sca.core.invocation.impl.MessageImpl; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.atmosphere.cpr.Broadcaster; + +/** + * Receives callback invocations and sends messages back to the browser. + */ +public class CometCallbackInvoker implements Invoker { + + protected Operation operation; + protected EndpointReference endpoint; + + public CometCallbackInvoker(final Operation operation, final EndpointReference endpoint) { + this.operation = operation; + this.endpoint = endpoint; + } + + /** + * Sends message back to the browser client and reports connection status to + * the runtime. + * + * @param msg + * message to send to the browser + * @return the connection status + */ + @Override + public Message invoke(final Message msg) { + String sessionId = (String) msg.getHeaders().get(Constants.RELATES_TO); + Broadcaster broadcaster = CometSessionManager.get(sessionId); + Message response = new MessageImpl(); + if (broadcaster == null) { + response.setBody(Status.CLIENT_DISCONNECTED); + } else { + String callbackMethod = msg.getTo().getURI(); + Object[] body = msg.getBody(); + broadcaster.broadcast(callbackMethod + "($.secureEvalJSON('" + JSONUtil.encodeResponse(body[0]) + "'))"); + response.setBody(Status.OK); + } + return response; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometReferenceBindingProvider.java b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometReferenceBindingProvider.java new file mode 100644 index 0000000000..9777b0c82c --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometReferenceBindingProvider.java @@ -0,0 +1,67 @@ +/* + * 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 and callbacks that have comet binding specified in + * the scdl. Used by callbacks to create invokers. Not used for comet + * references as they are javascript proxies not Java objects. + */ +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 CometCallbackInvoker(operation, endpoint); + } + + @Override + public void start() { + } + + @Override + public void stop() { + } + + @Override + public InterfaceContract getBindingInterfaceContract() { + return endpoint.getReference().getInterfaceContract(); + } + + @Override + public boolean supportsOneWayInvocation() { + return false; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometServiceBindingProvider.java b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometServiceBindingProvider.java new file mode 100644 index 0000000000..58f422c01b --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/CometServiceBindingProvider.java @@ -0,0 +1,88 @@ +/* + * 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.binding.comet.runtime.manager.CometEndpointManager; +import org.apache.tuscany.sca.binding.comet.runtime.manager.CometOperationManager; +import org.apache.tuscany.sca.binding.comet.runtime.manager.CometSessionManager; +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 { + + private RuntimeEndpoint endpoint; + private ServletHost servletHost; + + public CometServiceBindingProvider(final RuntimeEndpoint endpoint, final ServletHost servletHost) { + this.endpoint = endpoint; + this.servletHost = servletHost; + } + + /** + * Init the comet binding server-side infrastructure. + */ + @Override + public void start() { + String deployedURI = ServletFactory.registerServlet(this.servletHost); + endpoint.setDeployedURI(deployedURI); + final ComponentService service = this.endpoint.getService(); + final Interface serviceInterface = service.getInterfaceContract().getInterface(); + JavascriptGenerator.generateServiceProxy(service); + for (final Operation operation : serviceInterface.getOperations()) { + final String url = "/" + endpoint.getService().getName() + "/" + operation.getName(); + CometEndpointManager.add(url, endpoint); + CometOperationManager.add(url, operation); + JavascriptGenerator.generateMethodProxy(service, operation); + } + } + + /** + * Stop the comet binding server-side infrastructure. + */ + @Override + public void stop() { + ServletFactory.unregisterServlet(this.servletHost); + CometEndpointManager.clear(); + CometOperationManager.clear(); + CometSessionManager.clear(); + } + + @Override + public InterfaceContract getBindingInterfaceContract() { + return endpoint.getService().getInterfaceContract(); + } + + @Override + public boolean supportsOneWayInvocation() { + // set to false so the runtime will add a nonBlocking interceptor to + // handle @OneWay calls + return false; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/JSONUtil.java b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/JSONUtil.java new file mode 100644 index 0000000000..79ec156131 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/JSONUtil.java @@ -0,0 +1,145 @@ +/* + * 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.ArrayList; +import java.util.List; + +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.Operation; + +import com.google.gson.Gson; + +/** + * Helper class to facilitate JSON convertions. + */ +public class JSONUtil { + + private static Gson gson = new Gson(); + + /** + * Convert request parameters from JSON to operation parameter types. + * + * @param jsonData + * parameters in JSON array format + * @param operation + * the operation to invoke + * @return an array of objects + */ + public static Object[] decodeJsonParamsForOperation(String jsonData, Operation operation) { + Object[] args = new Object[operation.getInputType().getLogical().size()]; + final String[] json = parseArray(jsonData); + int index = 0; + for (final DataType<?> dataType : operation.getInputType().getLogical()) { + args[index] = gson.fromJson(json[index], dataType.getPhysical()); + index++; + } + return args; + } + + /** + * Split 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 strings + */ + private static String[] parseArray(String jsonArray) { + List<String> objects = new ArrayList<String>(); + int bracketNum = 0; + int parNum = 0; + int quoteNum = 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 '\"': + quoteNum++; + break; + case ',': + if ((bracketNum == 0) && (parNum == 1) && quoteNum % 2 == 0) { + objects.add(jsonArray.substring(startPos, i)); + startPos = i + 1; + } + } + } + objects.add(jsonArray.substring(startPos, jsonArray.length() - 1)); + return objects.toArray(new String[] {}); + } + + private JSONUtil() { + } + + /** + * Converts a Java object to JSON format. + * + * @param response + * the response to convert + * @return the object in JSON format + */ + public static String encodeResponse(Object response) { + return gson.toJson(response); + } + + /** + * Convert request parameters as JSON array. + * + * @param params + * request parameters + * @return request parameters as JSON array + */ + public static String encodeRequestParams(Object[] params) { + StringBuilder builder = new StringBuilder(); + for (int index = 0; index < params.length; index++) { + Object param = params[index]; + builder.append(index == 0 ? "[" : ","); + builder.append(gson.toJson(param)); + } + builder.append("]"); + return builder.toString(); + } + + /** + * Decode JSON to a given Java type. + * + * @param responseJSON + * the json to convert + * @param returnType + * the return type to convert to + * @return the converted object + */ + public static Object decodeResponse(String responseJSON, Class<?> returnType) { + return gson.fromJson(responseJSON, returnType); + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/ServletFactory.java b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/ServletFactory.java new file mode 100644 index 0000000000..f40d1f62ce --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/ServletFactory.java @@ -0,0 +1,139 @@ +/* + * 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.host.http.ServletHost; +import org.atmosphere.cpr.AtmosphereServlet; + +/** + * This class adds two servlets to the runtime: one exposing all the comet + * services, the other one exposing the javascript toolkit. + * + * Exposing all comet services through a single servlet is needed as browsers + * are undergone by the two http connection limit per domain so all comet + * services should send their responses via the same http connection to a single + * client. + * + * Dispatching to the corresponding endpoint and operation is done internally + * using Jersey RESTful Web Services integration with the AtmosphereServlet. + * + * The Javascript toolkit is not tied to any of the services so it is exposed by + * a separate servlet. + */ +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 HANDLER_PACKAGE = "org.apache.tuscany.sca.binding.comet.runtime.handler"; + + /** + * Package of the class handling Javascript toolkit retrieval. + */ + private static final String JS_PACKAGE = "org.apache.tuscany.sca.binding.comet.runtime.javascript"; + + /** + * Init-param key for Atmosphere filters. + */ + private static final String FILTERS_KEY = "org.atmosphere.cpr.broadcastFilterClasses"; + + /** + * Defined filters. + */ + private static final String FILTERS = "org.atmosphere.client.JavascriptClientFilter"; + + /** + * 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 = "/tuscany-comet-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; + + /** + * Prevent instantiation of singleton class. + */ + private ServletFactory() { + } + + /** + * Adds servlets to the underlying servlet host. No need for thread safety + * as calls to this method are sequentially done for each comet endpoint + * found by the runtime. + * + * @param servletHost + * underlying servlet host + * @return uri where servlet has been mapped + */ + public static String registerServlet(final ServletHost servletHost) { + String uri = registerCometServlet(servletHost); + registerJavascriptServlet(servletHost); + return uri; + } + + private static String registerCometServlet(ServletHost servletHost) { + if (ServletFactory.cometServlet == null) { + ServletFactory.cometServlet = new AtmosphereServlet(); + ServletFactory.cometServlet.addInitParameter(PACKAGE_KEY, HANDLER_PACKAGE); +// ServletFactory.cometServlet.addInitParameter(FILTERS_KEY, FILTERS); + String uri = servletHost.addServletMapping(PATH, cometServlet); + return uri; + } + return null; + } + + private static void registerJavascriptServlet(ServletHost servletHost) { + if (ServletFactory.javascriptServlet == null) { + ServletFactory.javascriptServlet = new AtmosphereServlet(); + ServletFactory.javascriptServlet.addInitParameter(PACKAGE_KEY, JS_PACKAGE); + servletHost.addServletMapping(JS_PATH, javascriptServlet); + } + } + + /** + * Removes servlets from the servlet host. + * + * @param servletHost + * the underlying servlet host. + */ + public static void unregisterServlet(final ServletHost servletHost) { + servletHost.removeServletMapping(PATH); + servletHost.removeServletMapping(JS_PATH); + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/callback/CometCallback.java b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/callback/CometCallback.java new file mode 100644 index 0000000000..1deefb2afa --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/callback/CometCallback.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.binding.comet.runtime.callback; + +import org.oasisopen.sca.annotation.Remotable; + +/** + * The comet callback interface. + */ +@Remotable +public interface CometCallback { + + /** + * Send message back to the browser client. + * + * @param message + * message to send + * @return status of the underlying connection with the browser + */ + Status sendMessage(Object message); + +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/callback/Status.java b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/callback/Status.java new file mode 100644 index 0000000000..6b479a144a --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/callback/Status.java @@ -0,0 +1,27 @@ +/* + * 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.callback; + +/** + * Status of the connection with the browser client. + */ +public enum Status { + OK, CLIENT_DISCONNECTED +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/handler/CometBindingHandler.java b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/handler/CometBindingHandler.java new file mode 100644 index 0000000000..0c9902211c --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/handler/CometBindingHandler.java @@ -0,0 +1,168 @@ +/* + * 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 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.QueryParam; + +import org.apache.tuscany.sca.assembly.EndpointReference; +import org.apache.tuscany.sca.binding.comet.runtime.JSONUtil; +import org.apache.tuscany.sca.binding.comet.runtime.manager.CometEndpointManager; +import org.apache.tuscany.sca.binding.comet.runtime.manager.CometOperationManager; +import org.apache.tuscany.sca.binding.comet.runtime.manager.CometSessionManager; +import org.apache.tuscany.sca.core.assembly.impl.RuntimeEndpointImpl; +import org.apache.tuscany.sca.core.assembly.impl.RuntimeEndpointReferenceImpl; +import org.apache.tuscany.sca.core.invocation.Constants; +import org.apache.tuscany.sca.core.invocation.impl.MessageImpl; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; +import org.atmosphere.cpr.Broadcaster; +import org.atmosphere.cpr.BroadcasterLifeCyclePolicy; +import org.atmosphere.cpr.BroadcasterLifeCyclePolicy.ATMOSPHERE_RESOURCE_POLICY; +import org.atmosphere.cpr.BroadcasterLifeCyclePolicyListener; +import org.atmosphere.jersey.JerseyBroadcaster; +import org.atmosphere.jersey.SuspendResponse; + +/** + * Handles requests for comet services and for creating a persistent connection. + */ +@Path("/") +public class CometBindingHandler { + + /** + * Suspends the current HTTP connection. + * + * @param sessionId + * session id to identify client + * @return a response that is not committed, just flushed + */ + @GET + @Path("/connect") + public SuspendResponse<String> connect(@QueryParam("sessionId") String sessionId) { + Broadcaster broadcaster = CometSessionManager.get(sessionId); + if (broadcaster == null) { + broadcaster = new JerseyBroadcaster(sessionId); + BroadcasterLifeCyclePolicy policy = new BroadcasterLifeCyclePolicy.Builder().policy( + ATMOSPHERE_RESOURCE_POLICY.EMPTY_DESTROY).build(); + broadcaster.setBroadcasterLifeCyclePolicy(policy); + broadcaster.addBroadcasterLifeCyclePolicyListener(new CometBroadcasterLifeCyclePolicyListener(sessionId)); + CometSessionManager.add(sessionId, broadcaster); + } + return new SuspendResponse.SuspendResponseBuilder<String>().broadcaster(broadcaster).outputComments(true) + .build(); + } + + /** + * Handles requests for service operations. + * + * @param service + * the service to invoke + * @param method + * the method to invoke + * @param sessionId + * the client session id + * @param callbackMethod + * the callbackMethod to invoke once a response is available + * @param jsonData + * method arguments sent by the client in JSON format + * @throws InvocationTargetException + * if a problem occurs while invoking the service implementation + */ + @POST + @Path("/{service}/{method}") + public void handleRequest(@PathParam("service") String service, @PathParam("method") String method, + @FormParam("sessionId") String sessionId, @FormParam("callbackMethod") String callbackMethod, + @FormParam("params") String jsonData) throws InvocationTargetException { + String url = "/" + service + "/" + method; + RuntimeEndpoint wire = CometEndpointManager.get(url); + Operation operation = CometOperationManager.get(url); + + final Object[] args = JSONUtil.decodeJsonParamsForOperation(jsonData, operation); + Message msg = createMessageWithMockedCometReference(args, sessionId, callbackMethod); + boolean isVoidReturnType = operation.getOutputType().getLogical().isEmpty(); + if (!isVoidReturnType) { + Object response = wire.invoke(operation, args); + Broadcaster broadcaster = CometSessionManager.get(sessionId); + if (broadcaster != null) { + broadcaster.broadcast(callbackMethod + "($.secureEvalJSON('" + JSONUtil.encodeResponse(response) + + "'))"); + } + } else { + wire.invoke(operation, msg); + } + } + + /** + * Creates a message with a mocked EndpointReference in the 'from' field to + * simulate a comet reference (because requests are coming from browsers). + * This is needed by the callback mechanism to have a source for the + * request. + * + * @param args + * arguments for the method invocation + * @param sessionId + * the session id of the client + * @param callbackMethod + * method to call once a response is available + * @return an invocation message + */ + private Message createMessageWithMockedCometReference(Object[] args, String sessionId, String callbackMethod) { + Message msg = new MessageImpl(); + msg.getHeaders().put(Constants.MESSAGE_ID, sessionId); + msg.setBody(args); + EndpointReference re = new RuntimeEndpointReferenceImpl(); + RuntimeEndpointImpl callbackEndpoint = new RuntimeEndpointImpl(); + callbackEndpoint.setURI(callbackMethod); + re.setCallbackEndpoint(callbackEndpoint); + msg.setFrom(re); + return msg; + } + + public class CometBroadcasterLifeCyclePolicyListener implements BroadcasterLifeCyclePolicyListener { + + private String sessionId; + + public CometBroadcasterLifeCyclePolicyListener(String sessionId) { + this.sessionId = sessionId; + } + + @Override + public void onDestroy() { + } + + @Override + public void onEmpty() { + CometSessionManager.remove(sessionId); + } + + @Override + public void onIdle() { + } + + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/javascript/JavascriptGenerator.java b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/javascript/JavascriptGenerator.java new file mode 100644 index 0000000000..ecf470da2d --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/javascript/JavascriptGenerator.java @@ -0,0 +1,91 @@ +/* + * 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; + +/** + * Generates javascript 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"; + + private static StringBuffer javascript = new StringBuffer(); + + private JavascriptGenerator() { + } + + public static StringBuffer getJavascript() { + return JavascriptGenerator.javascript; + } + + /** + * Generates the javascript 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/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/javascript/JavascriptResource.java b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/javascript/JavascriptResource.java new file mode 100644 index 0000000000..06f7bfb546 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/javascript/JavascriptResource.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.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; + +/** + * Handles calls for the retrieving 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", + "/jquery.guid.js", "/cometComponentContext.js" }; + + /** + * Method called when the Javascript toolkit is requested. + * + * @return InputStream containing the Javascript code. + */ + @GET + @Path("/org.apache.tuscany.sca.CometComponentContext.js") + public InputStream getJavascript() { + InputStream stream = null; + for (String dependency : JavascriptResource.DEPENDENCIES) { + if (stream == null) { + stream = this.getClass().getResourceAsStream(dependency); + } else { + stream = new SequenceInputStream(stream, this.getClass().getResourceAsStream(dependency)); + } + } + final String generatedJs = JavascriptGenerator.getJavascript().toString() + "\n}"; + return new SequenceInputStream(stream, new ByteArrayInputStream(generatedJs.getBytes())); + } +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/manager/CometEndpointManager.java b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/manager/CometEndpointManager.java new file mode 100644 index 0000000000..3d9707ca8e --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/manager/CometEndpointManager.java @@ -0,0 +1,51 @@ +/* + * 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.manager; + +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; + +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; + +/** + * Manager for Tuscany comet endpoints. This is a thread-safe singleton class. + */ +public class CometEndpointManager { + + private static final ConcurrentMap<String, RuntimeEndpoint> endpoints = new ConcurrentHashMap<String, RuntimeEndpoint>(); + + private CometEndpointManager() { + } + + public static void add(String url, RuntimeEndpoint endpoint) { + endpoints.put(url, endpoint); + } + + public static RuntimeEndpoint get(String url) { + return endpoints.get(url); + } + + public static void remove(String url) { + endpoints.remove(url); + } + + public static void clear() { + endpoints.clear(); + } +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/manager/CometOperationManager.java b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/manager/CometOperationManager.java new file mode 100644 index 0000000000..ea6657e786 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/manager/CometOperationManager.java @@ -0,0 +1,51 @@ +/* + * 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.manager; + +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; + +import org.apache.tuscany.sca.interfacedef.Operation; + +/** + * Manager for Tuscany comet operations. This is a thread-safe singleton class. + */ +public class CometOperationManager { + + private static final ConcurrentMap<String, Operation> operations = new ConcurrentHashMap<String, Operation>(); + + private CometOperationManager() { + } + + public static void add(String url, Operation operation) { + operations.put(url, operation); + } + + public static Operation get(String url) { + return operations.get(url); + } + + public static void remove(String url) { + operations.remove(url); + } + + public static void clear() { + operations.clear(); + } +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/manager/CometSessionManager.java b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/manager/CometSessionManager.java new file mode 100644 index 0000000000..59fe8d8f2d --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/manager/CometSessionManager.java @@ -0,0 +1,51 @@ +/* + * 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.manager; + +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; + +import org.atmosphere.cpr.Broadcaster; + +/** + * Manager for Tuscany comet sessions. This is a thread-safe singleton class. + */ +public class CometSessionManager { + + private static final ConcurrentMap<String, Broadcaster> broadcasters = new ConcurrentHashMap<String, Broadcaster>(); + + private CometSessionManager() { + } + + public static void add(String sessionId, Broadcaster broadcaster) { + broadcasters.put(sessionId, broadcaster); + } + + public static Broadcaster get(String sessionId) { + return broadcasters.get(sessionId); + } + + public static void remove(String sessionId) { + broadcasters.remove(sessionId); + } + + public static void clear() { + broadcasters.clear(); + } +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.BindingProviderFactory b/sca-java-2.x/branches/2.0/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/branches/2.0/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/branches/2.0/modules/binding-comet-runtime/src/main/resources/cometComponentContext.js b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/resources/cometComponentContext.js new file mode 100644 index 0000000000..cddbaa3fa0 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/resources/cometComponentContext.js @@ -0,0 +1,53 @@ + +/** + * 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, + sessionId : $.Guid.New(), + connect : function(transport) { + if(transport == null) { + transport = 'streaming'; + } + $.atmosphere.subscribe(document.location.toString() + this.appUrl + "/connect?sessionId=" + this.sessionId, + this.callback, + $.atmosphere.request = { + method : 'GET', + transport : transport, + maxRequest: 1000000, + }); + this.connectedEndpoint = $.atmosphere.response; + }, + callAsync : function(url, params, callbackMethod) { + this.connectedEndpoint.push(document.location.toString() + + this.appUrl + '/' + url, + null, + $.atmosphere.request = { + method : 'POST', + data : 'sessionId=' + this.sessionId + '&callbackMethod=' + callbackMethod.name + '¶ms=' + params + }); + }, + callback : function(response) { + eval(response.responseBody); + } +}; + + +this.CometComponentContext = new Object(); diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/resources/jquery.atmosphere.js b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/resources/jquery.atmosphere.js new file mode 100644 index 0000000000..a52e0793b7 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/resources/jquery.atmosphere.js @@ -0,0 +1,703 @@ +/** + * 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; + jQuery(window).unload(function() + { + if (activeRequest){ + activeRequest.abort(); + } + + if( !(typeof(transferDoc) == 'undefined') ){ + if(transferDoc != null){ + transferDoc = null; + CollectGarbage(); + } + } + }); + + return { + version : 0.7, + response : { + status: 200, + responseBody : '', + headers : [], + state : "messageReceived", + transport : "polling", + push : [], + error: null, + id : 0 + }, + + request : {}, + abordingConnection: false, + 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 : '', + 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', + webSocketImpl: null + + }, 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 (jQuery.atmosphere.request.webSocketImpl == null && !window.WebSocket) { + jQuery.atmosphere.log(logLevel, ["Websocket is not supported, using request.fallbackTransport"]); + jQuery.atmosphere.request.transport = jQuery.atmosphere.request.fallbackTransport; + jQuery.atmosphere.response.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 () { + jQuery.atmosphere.abordingConnection = true; + if (activeRequest != null) { + activeRequest.abort(); + } + + if (jQuery.atmosphere.websocket != null) { + jQuery.atmosphere.websocket.close(); + jQuery.atmosphere.websocket = null; + } + jQuery.atmosphere.abordingConnection = false; + + if (!(typeof(transferDoc) == 'undefined')) { + if (transferDoc != null) { + transferDoc = null; + CollectGarbage(); + } + } + }, + + executeRequest: function() + { + + if (jQuery.atmosphere.request.transport == 'streaming') { + if (jQuery.browser.msie) { + jQuery.atmosphere.ieStreaming(); + return; + } else if (jQuery.browser.opera) { + 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 (jQuery.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().getTime()); + + if (jQuery.atmosphere.request.contentType != '') { + ajaxRequest.setRequestHeader("Content-Type", jQuery.atmosphere.request.contentType); + } + + for(var x in request.headers) { + ajaxRequest.setRequestHeader(x, request.headers[x]); + } + + if (!jQuery.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() + { + if (jQuery.atmosphere.abordingConnection) return; + + var junkForWebkit = false; + var update = false; + if (ajaxRequest.readyState == 4) { + jQuery.atmosphere.request = request; + if (request.suspend && ajaxRequest.status == 200) { + jQuery.atmosphere.executeRequest(); + } + + if (jQuery.browser.msie) { + update = true; + } + } else if (!jQuery.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); + + if (request.lastIndex == 0 && response.responseBody.indexOf("<!-- Welcome to the Atmosphere Framework.") != -1) { + var endOfJunk = "<!-- EOD -->"; + var endOfJunkLenght = "<!-- EOD -->".length; + var junkEnd = response.responseBody.indexOf(endOfJunk) + endOfJunkLenght; + + if (junkEnd != ajaxRequest.responseText.length) { + response.responseBody = response.responseBody.substring(junkEnd); + } else { + junkForWebkit = true; + } + } + request.lastIndex = ajaxRequest.responseText.length; + if (junkForWebkit) return; + } else { + response.responseBody = ajaxRequest.responseText; + } + + try { + response.status = ajaxRequest.status; + response.headers = ajaxRequest.getAllResponseHeaders(); + } + catch(e) { + response.status = 404; + } + + if (request.suspend) { + response.state = "messageReceived"; + } else { + response.state = "messagePublished"; + } + + if (response.responseBody.indexOf("parent.callback") != -1) { + var index = 0; + var responseBody = response.responseBody; + while ( responseBody.indexOf("('", index) != -1) { + var start = responseBody.indexOf("('", index) + 2; + var end = responseBody.indexOf("')", index); + response.responseBody = responseBody.substring(start, end); + index = end + 2; + jQuery.atmosphere.invokeCallback(response); + } + } else { + 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() + { + + jQuery.atmosphere.closeSuspendedConnection(); + + var url = jQuery.atmosphere.request.url; + var callback = jQuery.atmosphere.request.callback; + jQuery.atmosphere.response.push = function (url) + { + jQuery.atmosphere.request.transport = 'polling'; + jQuery.atmosphere.request.callback = null; + jQuery.atmosphere.publish(url, null, jQuery.atmosphere.request); + }; + + function init() + { + var iframe = document.createElement("iframe"); + iframe.style.width = "0px"; + iframe.style.height = "0px"; + iframe.style.border = "0px"; + iframe.id = "__atmosphere"; + document.body.appendChild(iframe); + var d; + if (iframe.contentWindow) { + d = iframe.contentWindow.document; + } else if (iframe.document) { + d = iframe.document; + } else if (iframe.contentDocument) { + d = iframe.contentDocument; + } + + if (/\?/i.test(url)) url += "&"; + else url += "?"; + url += "callback=jquery.atmosphere.streamingCallback"; + iframe.src = url; + } + + init(); + + }, + + ieStreaming : function() + { + + if (!(typeof(transferDoc) == 'undefined')) { + if (transferDoc != null) { + transferDoc = null; + CollectGarbage(); + } + } + + 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); + }; + + //Must not use var here to avoid IE from disconnecting + 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; + var success = false; + jQuery.atmosphere.log(logLevel, ["Invoking executeWebSocket"]); + jQuery.atmosphere.response.transport = "websocket"; + var url = jQuery.atmosphere.request.url; + var callback = jQuery.atmosphere.request.callback; + + if (url.indexOf("http") == -1 && url.indexOf("ws") == -1) { + url = jQuery.atmosphere.parseUri(document.location, url); + } + var location = url.replace('http:', 'ws:').replace('https:', 'wss:'); + + var websocket = null; + if (jQuery.atmosphere.request.webSocketImpl != null) { + websocket = jQuery.atmosphere.request.webSocketImpl; + } else { + 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.response.transport = request.fallbackTransport; + jQuery.atmosphere.request = request; + jQuery.atmosphere.executeRequest(); + + ws.onclose = function(message) { + }; + ws.close(); + } + }; + + websocket.onopen = function(message) + { + success = true; + 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) + { + if (!success) { + var data = jQuery.atmosphere.request.data; + 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.response.transport = request.fallbackTransport; + + jQuery.atmosphere.request = request; + jQuery.atmosphere.executeRequest(); + } else { + 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', + contentType : '', + 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); + } + } + , + + close : function() + { + jQuery.atmosphere.closeSuspendedConnection(); + }, + + + parseUri : function( baseUrl , uri ) + { + var protocol = window.location.protocol; + var host = window.location.host; + var path = window.location.pathname; + var parameters = {}; + var anchor = ''; + var pos; + + if ( (pos = uri.search( /\:/ )) >= 0 ) + { + protocol = uri.substring( 0, pos + 1 ); + uri = uri.substring( pos + 1 ); + } + + if ( (pos = uri.search( /\#/ )) >= 0 ) + { + anchor = uri.substring( pos + 1 ); + uri = uri.substring( 0, pos ); + } + + if ( (pos = uri.search( /\?/ )) >= 0 ) + { + var paramsStr = uri.substring( pos + 1 ) + '&;'; + uri = uri.substring( 0, pos ); + while ( (pos = paramsStr.search( /\&/ )) >= 0 ) + { + var paramStr = paramsStr.substring( 0, pos ); + paramsStr = paramsStr.substring( pos + 1 ); + + if ( paramStr.length ) + { + var equPos = paramStr.search( /\=/ ); + if ( equPos < 0 ) + { + parameters[paramStr] = ''; + } + else + { + parameters[paramStr.substring( 0, equPos )] = + decodeURIComponent( paramStr.substring( equPos + 1 ) ); + } + } + } + } + + if ( uri.search( /\/\// ) == 0 ) + { + uri = uri.substring( 2 ); + if ( (pos = uri.search( /\// )) >= 0 ) + { + host = uri.substring( 0, pos ); + path = uri.substring( pos ); + } + else + { + host = uri; + path = '/'; + } + } else if ( uri.search( /\// ) == 0 ) + { + path = uri; + } + + else // relative to directory + { + var p = path.lastIndexOf( '/' ); + if ( p < 0 ) + { + path = '/'; + } else if ( p < path.length - 1 ) + { + path = path.substring( 0, p + 1 ); + } + + while ( uri.search( /\.\.\// ) == 0 ) + { + var p = path.lastIndexOf( '/', path.lastIndexOf( '/' ) - 1 ); + if ( p>= 0 ) + { + path = path.substring( 0, p + 1 ); + } + uri = uri.substring( 3 ); + } + path = path + uri; + } + + var uri = protocol + '//' + host + path; + var div = '?'; + for ( var key in parameters ) + { + uri += div + key + '=' + encodeURIComponent( parameters[key] ); + div = '&'; + } + return uri; + } + + } + +} + ();
\ No newline at end of file diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/resources/jquery.guid.js b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/resources/jquery.guid.js new file mode 100644 index 0000000000..1c7ad4e2fb --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/resources/jquery.guid.js @@ -0,0 +1,75 @@ +/** + * jQuery Guid v1.0.0-1 + * Requires jQuery 1.2.6+ (Not tested with earlier versions). + * Copyright (c) 2010 Aaron E. [jquery at happinessinmycheeks dot com] + * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) + * Usage: + * jQuery.Guid.Value() // Returns value of internal Guid. If no guid has been specified, returns a new one (value is then stored internally). + * jQuery.Guid.New() // Returns a new Guid and sets it's value internally. Also accepts GUID, Sets it internally. + * jQuery.Guid.Empty() // Returns an empty Guid 00000000-0000-0000-0000-000000000000. + * jQuery.Guid.IsEmpty() // Returns boolean. True if empty/undefined/blank/null. + * jQuery.Guid.IsValid() // Returns boolean. True valid guid, false if not. + * jQuery.Guid.Set() // Retrns Guid. Sets Guid to user specified Guid, if invalid, returns an empty guid. + * + */ + +jQuery.extend({ + Guid: { + Set: function(val) { + var value; + if (arguments.length == 1) { + if (this.IsValid(arguments[0])) { + value = arguments[0]; + } else { + value = this.Empty(); + } + } + $(this).data("value", value); + return value; + }, + + Empty: function() { + return "00000000-0000-0000-0000-000000000000"; + }, + + IsEmpty: function(gid) { + return gid == this.Empty() || typeof (gid) == 'undefined' || gid == null || gid == ''; + }, + + IsValid: function(value) { + rGx = new RegExp("\\b(?:[A-F0-9]{8})(?:-[A-F0-9]{4}){3}-(?:[A-F0-9]{12})\\b"); + return rGx.exec(value) != null; + }, + + New: function() { + if (arguments.length == 1 && this.IsValid(arguments[0])) { + $(this).data("value", arguments[0]); + value = arguments[0]; + return value; + } + + var res = [], hv; + var rgx = new RegExp("[2345]"); + for (var i = 0; i < 8; i++) { + hv = (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1); + if (rgx.exec(i.toString()) != null) { + if (i == 3) { hv = "6" + hv.substr(1, 3); } + res.push("-"); + } + res.push(hv.toUpperCase()); + } + value = res.join(''); + $(this).data("value", value); + return value; + }, + + Value: function() { + if ($(this).data("value")) { + return $(this).data("value"); + } + var val = this.New(); + $(this).data("value", val); + return val; + } + } +})();
\ No newline at end of file diff --git a/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/resources/jquery.json-2.2.min.js b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/resources/jquery.json-2.2.min.js new file mode 100644 index 0000000000..dcb67abefe --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-comet-runtime/src/main/resources/jquery.json-2.2.min.js @@ -0,0 +1,45 @@ +/* + * jQuery JSON Plugin + * version: 2.1 (2009-08-14) + * + * This document is licensed as free software under the terms of the + * MIT License: http://www.opensource.org/licenses/mit-license.php + * + * Brantley Harris wrote this plugin. It is based somewhat on the JSON.org + * website's http://www.json.org/json2.js, which proclaims: + * "NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.", a sentiment that + * I uphold. + * + * It is also influenced heavily by MochiKit's serializeJSON, which is + * copyrighted 2005 by Bob Ippolito. + */ +(function($){$.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 |