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<html xmlns:javaee="http://java.sun.com/xml/ns/javaee" xmlns:fo="http://www.w3.org/1999/XSL/Format">
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      <title>Ajax4JSF
         (Represents core Ajax functionality, and page wide Ajax controls and utility components.)
         
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      <h2>a4j</h2>
      <hr><b>XML Syntax:</b><br><code>
         &nbsp;&nbsp;&nbsp;&nbsp;
         
         &lt;anyxmlelement xmlns:a4j="http://richfaces.org/a4j" /&gt;
         <br></code><hr><pre>Represents core Ajax functionality, and page wide Ajax controls and utility components.</pre><p></p>
      <table border="1" cellpadding="3" cellspacing="0" width="100%">
         <tr bgcolor="#CCCCFF" class="TableHeadingColor">
            <td colspan="2"><font size="+2"><b>Tag Library Information</b></font></td>
         </tr>
         <tr>
            <td>Display Name</td>
            <td>Ajax4JSF</td>
         </tr>
         <tr>
            <td>Short Name</td>
            <td>a4j</td>
         </tr>
         <tr>
            <td>URI</td>
            <td>http://richfaces.org/a4j</td>
         </tr>
      </table>
      &nbsp;
      
      <p></p>
      <table border="1" cellpadding="3" cellspacing="0" width="100%">
         <tr bgcolor="#CCCCFF" class="TableHeadingColor">
            <td colspan="2"><font size="+2"><b>Tag Summary</b></font></td>
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            <td width="15%"><b><a href="actionListener.html">actionListener</a></b></td>
            <td><i>No Description</i></td>
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         <tr bgcolor="white" class="TableRowColor">
            <td width="15%"><b><a href="ajax.html">ajax</a></b></td>
            <td><p> The &lt;a4j:ajax&gt; behavior allows Ajax capability to be added to a non-Ajax component. The non-Ajax component must
               implement the ClientBehaviorHolder interface for all the event attributes that support behavior rendering. </p> @author Anton
               Belevich
            </td>
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         <tr bgcolor="white" class="TableRowColor">
            <td width="15%"><b><a href="attachQueue.html">attachQueue</a></b></td>
            <td><p> The &lt;a4j:attachQueue&gt; behavior is used together with a &lt;a4j:queue&gt; component to further customize queuing
               for particular components and behaviors. The &lt;a4j:attachQueue&gt; behavior can override the scope-wide queue settings for
               an individual component, or attach specific requests to a queue. </p> @author Nick Belaevski
            </td>
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            <td width="15%"><b><a href="commandButton.html">commandButton</a></b></td>
            <td><p> The &lt;a4j:commandButton&gt; component is similar to the JavaServer Faces (JSF) &lt;h:commandButton&gt; component, but
               additionally includes Ajax support. </p> @author Nick Belaevski
            </td>
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         <tr bgcolor="white" class="TableRowColor">
            <td width="15%"><b><a href="commandLink.html">commandLink</a></b></td>
            <td><p> The &lt;a4j:commandLink&gt; component is similar to the JavaServer Faces (JSF) &lt;h:commandLink&gt; component, except
               that it includes plugged-in Ajax behavior. </p> @author Nick Belaevski
            </td>
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         <tr bgcolor="white" class="TableRowColor">
            <td width="15%"><b><a href="jsFunction.html">jsFunction</a></b></td>
            <td><p> The &lt;a4j:jsFunction&gt; component performs Ajax requests directly from JavaScript code and retrieves server-side data.
               The server-side data is returned in JavaScript Object Notation (JSON) format prior to the execution of any JavaScript code
               defined using the "oncomplete" attribute. </p> @author asmirnov@exadel.com
            </td>
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         <tr bgcolor="white" class="TableRowColor">
            <td width="15%"><b><a href="log.html">log</a></b></td>
            <td><p> The &lt;a4j:log&gt; component generates JavaScript that opens a debug window, logging application information such as
               requests, responses, and DOM changes. </p> @author Nick Belaevski
            </td>
         </tr>
         <tr bgcolor="white" class="TableRowColor">
            <td width="15%"><b><a href="mediaOutput.html">mediaOutput</a></b></td>
            <td><p> The &lt;a4j:mediaOutput&gt; component is used for generating images, video, sounds, and other resources defined on the
               fly. </p> @author shura
            </td>
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         <tr bgcolor="white" class="TableRowColor">
            <td width="15%"><b><a href="outputPanel.html">outputPanel</a></b></td>
            <td><p> The &lt;a4j:outputPanel&gt; component is used to group together components in to update them as a whole, rather than having
               to specify the components individually. <p> @author asmirnov@exadel.com
            </td>
         </tr>
         <tr bgcolor="white" class="TableRowColor">
            <td width="15%"><b><a href="param.html">param</a></b></td>
            <td><p> The &lt;a4j:param&gt; behavior combines the functionality of the JavaServer Faces (JSF) components &lt;f:param&gt; and
               &lt;f:actionListener&gt;. </p> @author shura, alexsmirnov
            </td>
         </tr>
         <tr bgcolor="white" class="TableRowColor">
            <td width="15%"><b><a href="poll.html">poll</a></b></td>
            <td><p> The &lt;a4j:poll&gt; component allows periodical sending of Ajax requests to the server. It is used for repeatedly updating
               a page at specific time intervals. </p> @author shura
            </td>
         </tr>
         <tr bgcolor="white" class="TableRowColor">
            <td width="15%"><b><a href="push.html">push</a></b></td>
            <td><p> The &lt;a4j:push&gt; component performs real-time updates on the client side from events triggered at the server side.
               The events are pushed out to the client through the RichFaces messaging queue (which is bound to Java Messaging Service -
               JMS). When the &lt;a4j:push&gt; component is triggered by a server event, it can in turn cause Ajax updates and changes. </p>
               @author Nick Belaevski @author Lukas Fryc
            </td>
         </tr>
         <tr bgcolor="white" class="TableRowColor">
            <td width="15%"><b><a href="queue.html">queue</a></b></td>
            <td><p> The &lt;a4j:queue&gt; component manages the JSF queue of Ajax requests. It provides additional options for a finer control
               of request processing. </p> @author Nick Belaevski
            </td>
         </tr>
         <tr bgcolor="white" class="TableRowColor">
            <td width="15%"><b><a href="region.html">region</a></b></td>
            <td><p> The &lt;a4j:region&gt; component specifies a part of the JSF component tree to be processed on the server. The region
               causes all the a4j and rich Ajax controls to execute: decoding, validating, and updating the model. The region causes these
               components to execute even if not explicitly declared. As such, processing areas can more easily be marked using a declarative
               approach. </p> <p> Regions can be nested, in which case only the parent region of the component initiating the request will
               be processed. </p> @author Nick Belaevski
            </td>
         </tr>
         <tr bgcolor="white" class="TableRowColor">
            <td width="15%"><b><a href="repeat.html">repeat</a></b></td>
            <td><p> The non-visual &lt;a4j:repeat&gt; component is used to iterate through a data model. The component renders child content
               for every iteration according to the current object data. </p> @author Nick Belaevski
            </td>
         </tr>
         <tr bgcolor="white" class="TableRowColor">
            <td width="15%"><b><a href="status.html">status</a></b></td>
            <td><p> The &lt;a4j:status&gt; component displays the status of current Ajax requests. The status can be either in progress, complete,
               or an error is shown after a failed request. </p> @author Nick Belaevski
            </td>
         </tr>
      </table>
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