diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main')
9 files changed, 487 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/Event.java b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/Event.java new file mode 100644 index 0000000000..c9d9eb54c4 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/Event.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 sample; + +public class Event { + + private String id; + private String name; + private String data; + + public String getId() { + return id; + } + + public void setId(String id) { + this.id = id; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getData() { + return data; + } + + public void setData(String data) { + this.data = data; + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/EventProcessor.java b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/EventProcessor.java new file mode 100644 index 0000000000..d289b361cf --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/EventProcessor.java @@ -0,0 +1,104 @@ +/* + * 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 sample; + +import java.util.ArrayList; +import java.util.Date; +import java.util.List; +import java.util.UUID; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; + +import org.apache.tuscany.sca.binding.websocket.runtime.WebsocketBindingCallback; +import org.apache.tuscany.sca.binding.websocket.runtime.WebsocketStatus; +import org.oasisopen.sca.ComponentContext; +import org.oasisopen.sca.annotation.Context; +import org.oasisopen.sca.annotation.Destroy; +import org.oasisopen.sca.annotation.Scope; +import org.oasisopen.sca.annotation.Service; + +import com.google.common.collect.HashMultimap; +import com.google.common.collect.Multimap; +import com.google.common.collect.Multimaps; + +@Service({ EventProcessorConsumerService.class, EventProcessorProducerService.class }) +@Scope("COMPOSITE") +public class EventProcessor implements EventProcessorConsumerService, EventProcessorProducerService { + + @Context + protected ComponentContext componentContext; + + private ConcurrentMap<String, WebsocketBindingCallback> clients = new ConcurrentHashMap<String, WebsocketBindingCallback>(); + private Multimap<String, String> eventListeners = Multimaps.synchronizedMultimap(HashMultimap.<String, String> create()); + + @Override + public void onEvent(String eventName, String eventData) { + List<String> destinations = new ArrayList<String>(); + synchronized (eventListeners) { + destinations.addAll(eventListeners.get(eventName)); + } + Event event = new Event(); + event.setName(eventName); + event.setData(eventData); + for (String registrationId : destinations) { + WebsocketBindingCallback client = clients.get(registrationId); + if (client == null) { + // client has unregistered from this event + synchronized (eventListeners) { + eventListeners.remove(eventName, registrationId); + } + } else { + WebsocketStatus status = client.sendMessage(event); + if (status == WebsocketStatus.CLOSED) { + unregister(registrationId); + } + } + } + } + + @Override + public void register(String eventName) { + String registrationId = UUID.randomUUID().toString(); + WebsocketBindingCallback callback = componentContext.getRequestContext().getCallback(); + clients.put(registrationId, callback); + synchronized (eventListeners) { + eventListeners.put(eventName, registrationId); + } + Event event = new Event(); + event.setId(registrationId); + event.setName(eventName); + event.setData(new Date().toString()); + callback.sendMessage(event); + } + + @Override + public void unregister(String registrationId) { + clients.remove(registrationId); + // unregistration from eventListeners done during onEvent + } + + @Destroy + public void shutdown() { + clients.clear(); + eventListeners.clear(); + clients = null; + eventListeners = null; + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/EventProcessorConsumerService.java b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/EventProcessorConsumerService.java new file mode 100644 index 0000000000..aa9156b088 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/EventProcessorConsumerService.java @@ -0,0 +1,37 @@ +/* + * 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 sample; + +import org.apache.tuscany.sca.binding.websocket.runtime.WebsocketBindingCallback; +import org.oasisopen.sca.annotation.Callback; +import org.oasisopen.sca.annotation.OneWay; +import org.oasisopen.sca.annotation.Remotable; + +@Callback(WebsocketBindingCallback.class) +@Remotable +public interface EventProcessorConsumerService { + + @OneWay + void register(String eventName); + + @OneWay + void unregister(String registrationId); + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/EventProcessorProducerService.java b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/EventProcessorProducerService.java new file mode 100644 index 0000000000..a9c80cc697 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/EventProcessorProducerService.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 sample; + +import org.oasisopen.sca.annotation.Remotable; + +@Remotable +public interface EventProcessorProducerService { + + void onEvent(String eventName, String eventData); + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/Producer.java b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/Producer.java new file mode 100644 index 0000000000..88a214d843 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/Producer.java @@ -0,0 +1,75 @@ +/* + * 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 sample; + +import java.util.Date; +import java.util.Timer; +import java.util.TimerTask; + +import org.oasisopen.sca.annotation.Constructor; +import org.oasisopen.sca.annotation.Destroy; +import org.oasisopen.sca.annotation.EagerInit; +import org.oasisopen.sca.annotation.Init; +import org.oasisopen.sca.annotation.Property; +import org.oasisopen.sca.annotation.Reference; +import org.oasisopen.sca.annotation.Scope; + +@EagerInit +@Scope("COMPOSITE") +public class Producer { + + @Reference + protected EventProcessorProducerService eventProcessor; + + private String eventName; + private long frequency; + + private Timer timer = new Timer(); + private Object lock = new Object(); + + @Constructor + public Producer(@Property(name = "eventName") String eventName, @Property(name = "frequency") long frequency) { + System.out.println("Producer: In Constructor with eventName=" + eventName + " and frequency=" + frequency); + this.eventName = eventName; + this.frequency = frequency; + } + + @Init + public void start() { + System.out.println("Producer: In Init..."); + timer.schedule(new TimerTask() { + + @Override + public void run() { + synchronized (lock) { + eventProcessor.onEvent(Producer.this.eventName, "Event @ " + new Date()); + } + } + }, 0L, this.frequency); + } + + @Destroy + public void stop() { + synchronized (lock) { + timer.cancel(); + } + timer = null; + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF new file mode 100644 index 0000000000..58630c02ef --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF @@ -0,0 +1,2 @@ +Manifest-Version: 1.0
+
diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/webapp/WEB-INF/web.composite b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/webapp/WEB-INF/web.composite new file mode 100644 index 0000000000..743e2b418e --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/webapp/WEB-INF/web.composite @@ -0,0 +1,60 @@ +<?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="Event"> + + <component name="EventProcessorComponent"> + <implementation.java class="sample.EventProcessor" /> + <service name="EventProcessorConsumerService"> + <interface.java interface="sample.EventProcessorConsumerService" + callbackInterface="org.apache.tuscany.sca.binding.websocket.runtime.WebsocketBindingCallback" /> + <tuscany:binding.websocket /> + <callback> + <tuscany:binding.websocket /> + </callback> + </service> + <service name="EventProcessorProducerService"> + <interface.java interface="sample.EventProcessorProducerService" /> + </service> + </component> + + <component name="SLOWProducerComponent"> + <implementation.java class="sample.Producer" /> + <reference name="eventProcessor" target="EventProcessorComponent" /> + <property name="eventName">SLOW</property> + <property name="frequency">6000</property> + </component> + + <component name="MODERATEProducerComponent"> + <implementation.java class="sample.Producer" /> + <reference name="eventProcessor" target="EventProcessorComponent" /> + <property name="eventName">MODERATE</property> + <property name="frequency">3000</property> + </component> + + <component name="FASTProducerComponent"> + <implementation.java class="sample.Producer" /> + <reference name="eventProcessor" target="EventProcessorComponent" /> + <property name="eventName">FAST</property> + <property name="frequency">1000</property> + </component> + +</composite>
\ No newline at end of file diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/webapp/WEB-INF/web.xml b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/webapp/WEB-INF/web.xml new file mode 100644 index 0000000000..25b06c457a --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/webapp/WEB-INF/web.xml @@ -0,0 +1,34 @@ +<?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. +--> +<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:j2ee="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_3.0.xsd" version="3.0"> + <display-name>Apache Tuscany Stock Comet Sample</display-name> + <filter> + <filter-name>tuscany</filter-name> + <filter-class>org.apache.tuscany.sca.host.webapp.TuscanyServletFilter</filter-class> + <async-supported>true</async-supported> + </filter> + <filter-mapping> + <filter-name>tuscany</filter-name> + <url-pattern>/*</url-pattern> + </filter-mapping> + <welcome-file-list> + <welcome-file>index.html</welcome-file> + </welcome-file-list> +</web-app>
\ No newline at end of file diff --git a/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/webapp/index.html b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/webapp/index.html new file mode 100644 index 0000000000..bfacf28236 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/samples/learning-more/binding-websocket/pubsub-webapp/src/main/webapp/index.html @@ -0,0 +1,96 @@ +<!-- + * 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. +--> +<html> +<head> + <title>Apache Tuscany Websocket Sample</title> + <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js" type="text/javascript"></script> + <script type="text/javascript" src="org.apache.tuscany.sca.WebsocketComponentContext.js"></script> + <script type="text/javascript"> + var registrationIds = {}; + + Tuscany.WebsocketComponentContext.EventProcessorComponent.EventProcessorConsumerService.register.responseHandler = function(event) { + var text = ''; + if (event.id != null) { + // registration notification + registrationIds[event.name] = event.id; + text = "Registered to " + event.name + " with id " + event.id + " at " + event.data; + } else { + // event notification + text = event.name + ": " + event.data; + } + var textarea = $('#textarea'); + $(textarea).val($(textarea).val() + text + "\n"); + $(textarea).scrollTop($(textarea)[0].scrollHeight); + } + + $(document).ready(function() + { + $('#registerEventButton').click(function(event) { + var eventName = $('#registerEventName').val(); + if (registrationIds[eventName] != null) { + alert("Already registered for " + eventName + " events"); + } else { + Tuscany.WebsocketComponentContext.EventProcessorComponent.EventProcessorConsumerService.register(eventName); + } + }); + + $('#unregisterEventButton').click(function(event) { + var eventName = $('#unregisterEventName').val(); + if (registrationIds[eventName] != null) { + Tuscany.WebsocketComponentContext.EventProcessorComponent.EventProcessorConsumerService.unregister(registrationIds[eventName]); + registrationIds[eventName] = null; + } else { + alert("Not registered for " + eventName + " events"); + } + }); + }); + </script> +</head> +<body> + <h2>Apache Tuscany Websocket Sample</h2> + <h3>PubSub for FAST, MODERATE and SLOW events</h3> + <p/> + <table> + <tr> + <td>Event name</td> + <td> + <select id="registerEventName"> + <option value="FAST">FAST</option> + <option value="MODERATE">MODERATE</option> + <option value="SLOW">SLOW</option> + </select> + </td> + <td><input type="button" id='registerEventButton' value='Register' /></td> + </tr> + <tr> + <td>Event name</td> + <td> + <select id="unregisterEventName"> + <option value="FAST">FAST</option> + <option value="MODERATE">MODERATE</option> + <option value="SLOW">SLOW</option> + </select> + </td> + <td><input type="button" id='unregisterEventButton' value='Unregister' /></td> + </tr> + </table> + <h3>Server notifications</h3> + <textarea id="textarea" rows="15" cols="80" readonly></textarea> +</body> +</html> |