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A push library for Tapestry5 based on CometD
JavaScript Java
Branch: master

README.md

Tapestry CometD

A push library for Tapestry5 based on CometD

Features:

Usage:

Page.tml

<html 
      xmlns:t="http://tapestry.apache.org/schema/tapestry_5_3.xsd"
      xmlns:p="tapestry:parameter">

    <t:zone t:id="formZone" id="formZone">
        <!-- type a chat message in this form -->
        <form t:id="ajaxForm" t:type="form" t:zone="formZone">
            Message: <input t:type="TextField" t:id="message" /><input type="submit" value="Send"/>
        </form>
    </t:zone>

    <!-- this PushTarget subscribes to the '/chatTopic' topic and appends received messages to itself -->
    <t:cometd.PushTarget topic="/chatTopic" event="chat" update="append" />

    <!-- this template is applied to each chat message when it is received -->
    <t:block t:id="messageBlock">
        <h2>${message}</h2>
    </t:block>
</html>

Page.java

public class PushDemo {
    @InjectComponent
    private Zone formZone;

    @Inject
    private Block messageBlock;

    @Property
    private String message;

    @Inject
    private PushManager pushManager;

    // this event is fired when a message is received on the 'chatTopic' topic
    Block onChat(String message) {
        this.message = message;
        return messageBlock;
    }

    // this event is fired when the form is posted
    Block onSuccess() {
        // broadcast the message on the 'chatTopic' topic
        pushManager.broadcast("/chatTopic", message);
        return formZone.getBody();
    }
}

Demo

See a live demo running here

Maven

<dependencies>
    <dependency>
        <groupId>org.lazan</groupId>
        <artifactId>tapestry-cometd</artifactId>
        <!-- 
            lookup latest version at 
            https://github.com/uklance/releases/tree/master/org/lazan/tapestry-cometd 
        -->
        <version>...</version> 
    </dependency>

    <dependency>
        <groupId>org.got5</groupId>
        <artifactId>tapestry5-jquery</artifactId>
        <version>3.0.0</version>
    </dependency>
</dependencies>

...

<repositories>
    <repository>
        <id>tapestry-cometd</id>
        <url>https://raw.github.com/uklance/releases/master</url>
    </repository>
    <repository>
        <id>devlab722-repo</id>
        <url>http://nexus.devlab722.net/nexus/content/repositories/releases</url>
        <snapshots>
            <enabled>false</enabled>
        </snapshots>
    </repository>
</repositories>

Links

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