        throws <a href="../../../../../../../org/apache/tools/ant/BuildException.html" title="class in org.apache.tools.ant">BuildException</a></pre>
<div class="block">Validates the passed in attributes.

 <p>The rules are:</p>
 <ol>
    <li> If action is "deploy" or "update" the "application"
    and "source" attributes must be supplied.</li>
    <li> If action is "delete" or "undeploy" the
    "application" attribute must be supplied.</li>
 </ol></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specifie