iv class="block">get the active mapper; may be null</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/taskdefs/SignJar.html#getSigAlg()">getSigAlg</a></strong>()</code>
<div class="block">Signature Algorithm; optional</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tool