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<h1>The MailTask</h1>
<div id="front-matter">
<div id="minitoc-area">
<ul class="minitoc">
<li>
<a href="#Task+Parameters">Task Parameters</a>
</li>
<li>
<a href="#Declaring+and+Using+the+MailTask">Declaring and Using the MailTask</a>
</li>
</ul>
</div>
</div>
<p>
A <span class="codefrag">MailTask</span> sends an e-mail. The parameters, such as recipient
address, subject, and body, can either be provided as a task parameter or
extracted from an XML document.
</p>
<a name="N10017"></a><a name="Task+Parameters"></a>
<h2 class="h3">Task Parameters</h2>
<div class="section">
<p>
The following parameters must be provided:</p>
<ul>
<li>
<strong>server</strong>: the SMTP server URI</li>
<li>
<strong>from</strong>: you@yourhost.com</li>
<li>
<strong>to</strong>: friend@mail.com</li>
<li>
<strong>cc</strong>: other-friends@mail.com</li>
<li>
<strong>subject</strong>: Hello World!</li>
<li>
<strong>body</strong>: How are you?</li>
</ul>
<a name="N10041"></a><a name="Getting+the+mail+data+from+an+XML+source"></a>
<h3 class="h4">Getting the mail data from an XML source</h3>
<p>
Additionally, you can pass a <span class="codefrag">uri</span> parameter to the <span class="codefrag">MailTask</span>:</p>
<ul>
<li>
<strong>uri</strong>: the URI to get the XML file from</li>
</ul>
<p>If this parameter is present, the task tries to fetch an XML document from the URI.
If the parameter <span class="codefrag">uri</span> starts with a <span class="codefrag">http://</span> or <span class="codefrag">ftp://</span>
prefix, the absolute URI is used. If not, the URI is interpreted as relative to the
local publication.</p>
<p>
A complete XML document could look like this:
</p>
<pre class="code">
&lt;mail:mail xmlns:mail="http://apache.org/cocoon/lenya/mail/1.0"&gt;
&lt;mail:server&gt;mail.yourhost.com&lt;/mail:server&gt;
&lt;mail:from&gt;you@yourhost.com&lt;/mail:from&gt;
&lt;mail:to&gt;friend@mail.com&lt;/mail:to&gt;
&lt;mail:cc&gt;other-friends@mail.com&lt;/mail:cc&gt;
&lt;mail:subject&gt;Hello Friends!&lt;/mail:subject&gt;
&lt;mail:body&gt;How are you?&lt;/mail:body&gt;
&lt;/mail:mail&gt;
</pre>
<p>
All child elements of <span class="codefrag">&lt;mail:mail&gt;</span> are optional.
If the <span class="codefrag">uri</span> task parameter is provided, the XML
document is fetched from the URI and the parameters are extracted.
</p>
<p>
Task parameters have a higher priority than elements of the document. This makes it
possible to access one complete XML file from different <span class="codefrag">MailTask</span>s and override
the recepient address or other values.
</p>
</div>
<a name="N1007B"></a><a name="Declaring+and+Using+the+MailTask"></a>
<h2 class="h3">Declaring and Using the MailTask</h2>
<div class="section">
<p>
In <span class="codefrag">tasks.xconf</span>, a typical mail task looks like follows:
</p>
<pre class="code">
&lt;task id="send-newsletter" class="org.lenya.cms.mail.MailTask"&gt;
&lt;label&gt;Send Newsletter&lt;/label&gt;
&lt;parameter name="server" value="mail.example.com"/&gt;
&lt;parameter name="from" value="info@example.com"/&gt;
&lt;parameter name="to" value="newsletter-subscribers@example.com"/&gt;
&lt;parameter name="uri" value="/authoring/newsletter/mail.xml"/&gt;
&lt;/task&gt;
</pre>
<p>
The actual newsletter is received from the URI that is interpreted
relativly to the publication URI. The task can be invoked in a sitemap pipeline:
</p>
<pre class="code">
&lt;map:action name="task" src="org.lenya.cms.cocoon.acting.TaskAction"/&gt;
...
&lt;map:match pattern="newsletter/send"&gt;
&lt;map:act type="task"&gt;
&lt;map:parameter name="task-id" value="send-newsletter"/&gt;
&lt;map:redirect-to uri="report-success.html" session="true"/&gt;
&lt;/map:act&gt;
&lt;map:redirect-to uri="report-failure.html" session="true"/&gt;
&lt;/map:match&gt;
</pre>
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