diff options
author | fmoga <fmoga@13f79535-47bb-0310-9956-ffa450edef68> | 2011-05-25 23:27:46 +0000 |
---|---|---|
committer | fmoga <fmoga@13f79535-47bb-0310-9956-ffa450edef68> | 2011-05-25 23:27:46 +0000 |
commit | 5ecd0afe087b41d09f4733489b0b07712be3cb9e (patch) | |
tree | 25b84470027c27e16f003e82ad01d5174ef53a58 /sca-java-2.x/contrib | |
parent | bc2c7212b74937345e3b6288157678e192f6550f (diff) |
Add pub/sub sample for binding.comet
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1127725 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to '')
10 files changed, 551 insertions, 0 deletions
diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/pom.xml b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/pom.xml new file mode 100644 index 0000000000..8c8f87d816 --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/pom.xml @@ -0,0 +1,64 @@ +<?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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-samples</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ <relativePath>../../../pom.xml</relativePath>
+ </parent>
+
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>sample-binding-comet-pubsub-webapp</artifactId>
+ <packaging>war</packaging>
+ <version>1.0</version>
+ <name>Apache Tuscany SCA Sample binding.comet PubSub Webapp</name>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-binding-comet-runtime</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ </dependency>
+ <dependency>
+ <groupId>javax</groupId>
+ <artifactId>javaee-web-api</artifactId>
+ <version>6.0</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-base-runtime-pom</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ <type>pom</type>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>com.google.guava</groupId>
+ <artifactId>guava</artifactId>
+ <version>r09</version>
+ <type>jar</type>
+ <scope>compile</scope>
+ </dependency>
+ </dependencies>
+
+</project>
+
diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java new file mode 100644 index 0000000000..033a54880e --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java @@ -0,0 +1,33 @@ +package org.apache.tuscany.sca.sample.comet; + +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/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java new file mode 100644 index 0000000000..3b19398ca1 --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java @@ -0,0 +1,107 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.sample.comet; + +import java.util.ArrayList; +import java.util.Date; +import java.util.List; +import java.util.Map; +import java.util.UUID; +import java.util.concurrent.ConcurrentHashMap; + +import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback; +import org.apache.tuscany.sca.binding.comet.runtime.callback.Status; +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 Map<String, CometCallback> clients = new ConcurrentHashMap<String, CometCallback>(); + private Multimap<String, String> eventListeners = Multimaps.synchronizedMultimap(HashMultimap + .<String, String> create()); + + @Override + public void onEvent(String eventName, String eventData) { + // System.out.println("EventProcessor: Received event " + eventName + + // "..."); + 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) { + CometCallback client = clients.get(registrationId); + if (client == null) { + // client has unregistered from this event + synchronized (eventListeners) { + eventListeners.remove(eventName, registrationId); + } + } else { + Status status = client.sendMessage(event); + if (status == Status.CLIENT_DISCONNECTED) { + unregister(registrationId); + } + } + } + } + + @Override + public void register(String eventName) { + String registrationId = UUID.randomUUID().toString(); + CometCallback 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/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java new file mode 100644 index 0000000000..c8208e862c --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/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 org.apache.tuscany.sca.sample.comet; + +import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback; +import org.oasisopen.sca.annotation.Callback; +import org.oasisopen.sca.annotation.OneWay; +import org.oasisopen.sca.annotation.Remotable; + +@Callback(CometCallback.class) +@Remotable +public interface EventProcessorConsumerService { + + @OneWay + void register(String eventName); + + @OneWay + void unregister(String registrationId); + +} diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java new file mode 100644 index 0000000000..49d760d171 --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/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 org.apache.tuscany.sca.sample.comet; + +import org.oasisopen.sca.annotation.Remotable; + +@Remotable +public interface EventProcessorProducerService { + + void onEvent(String eventName, String eventData); + +} diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java new file mode 100644 index 0000000000..59307824ce --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java @@ -0,0 +1,76 @@ +/* + * 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.sample.comet; + +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() { +// System.out.println("Producer: Producing " + eventName + " event..."); + 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/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF new file mode 100644 index 0000000000..58630c02ef --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF @@ -0,0 +1,2 @@ +Manifest-Version: 1.0
+
diff --git a/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite new file mode 100644 index 0000000000..61096a4226 --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite @@ -0,0 +1,56 @@ +<?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="org.apache.tuscany.sca.sample.comet.EventProcessor" /> + <service name="EventProcessorConsumerService"> + <interface.java + interface="org.apache.tuscany.sca.sample.comet.EventProcessorConsumerService" + callbackInterface="org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback" /> + <tuscany:binding.comet /> + <callback> + <tuscany:binding.comet /> + </callback> + </service> + <service name="EventProcessorProducerService"> + <interface.java + interface="org.apache.tuscany.sca.sample.comet.EventProcessorProducerService" /> + </service> + </component> + + <component name="SLOWProducerComponent"> + <implementation.java class="org.apache.tuscany.sca.sample.comet.Producer" /> + <reference name="eventProcessor" target="EventProcessorComponent" /> + <property name="eventName">SLOW</property> + <property name="frequency">6000</property> + </component> + + <component name="MODERATEProducerComponent"> + <implementation.java class="org.apache.tuscany.sca.sample.comet.Producer" /> + <reference name="eventProcessor" target="EventProcessorComponent" /> + <property name="eventName">MODERATE</property> + <property name="frequency">3000</property> + </component> + + <component name="FASTProducerComponent"> + <implementation.java class="org.apache.tuscany.sca.sample.comet.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/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml new file mode 100644 index 0000000000..25b06c457a --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/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/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html new file mode 100644 index 0000000000..a46bb0acb0 --- /dev/null +++ b/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html @@ -0,0 +1,114 @@ +<!-- + * 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 Comet Sample</title> +<!-- Tuscany Comet Javascript Toolkit is dependent on jQuery --> +<script type="text/javascript" + src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> +<script type="text/javascript" + src="tuscany-comet-js/org.apache.tuscany.sca.CometComponentContext.js"></script> +<script type="text/javascript"> + $(document).ready(function() + { + document.getElementById('registerEventButton').onclick = function(event) { + document.getElementById('registerEventName').value; + } + + // Tuscany Comet specific API + document.getElementById('connect').onclick = function(event) { + /* transport can be : long-polling or streaming */ + SCA.TuscanyComet.connect(document.getElementById('transport').value); + document.getElementById('connect').disabled = true; + document.getElementById('transport').disabled = true; + } + + + document.getElementById('registerEventButton').onclick = function(event) { + var eventName = document.getElementById('registerEventName').value; + if (registrationIds[eventName] != null) { + alert("Already registered for " + eventName + " events"); + } else { + SCA.CometComponentContext.EventProcessorConsumerService.register(eventName, responseReceived); + } + } + + document.getElementById('unregisterEventButton').onclick = function(event) { + var eventName = document.getElementById('unregisterEventName').value; + if (registrationIds[eventName] != null) { + SCA.CometComponentContext.EventProcessorConsumerService.unregister(registrationIds[eventName], responseReceived); + registrationIds[eventName] = null; + } else { + alert("Not registered for " + eventName + " events"); + } + } + + }); + + var registrationIds = {}; + + function responseReceived(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 = document.getElementById('textarea'); + textarea.value += text + "\n"; + textarea.scrollTop = textarea.scrollHeight; + } + + </script> +</head> +<body> + <div id='sidebar'> + <h2>Apache Tuscany Comet Sample</h2> + <label>Select transport</label> <select id="transport"> + <option id="streaming" value="streaming">http streaming</option> + <option id="long-polling" value="long-polling">long-polling</option> + </select> <input id='connect' type='submit' value='Connect' /> + <h3>PubSub for FAST, MODERATE and SLOW events</h3> + <p /> + <table> + <tr> + <td>Event name</td> + <td><input type="text" id='registerEventName' value='FAST' /> + </td> + <td><input type="button" id='registerEventButton' + value='Register' /> + </td> + </tr> + <tr> + <td>Event name</td> + <td><input type="text" id='unregisterEventName' value='FAST' /> + </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> + </div> +</body> +</html> |