/org/apache/tools/ant/types/resolver/ApacheCatalog.html" title="class in org.apache.tools.ant.types.resolver"><code>ApacheCatalog</code></a> class is used to parse external catalog files, which
 can be in either <a
 href="http://oasis-open.org/committees/entity/background/9401.html">
 plain text format</a> or <a
 href="http://www.oasis-open.org/committees/entity/spec-2001-08-06.html">
 XML format</a>.</p>

 <p>For each entry found in an external catalog file, if any, an
 instance of <a href="../../../../../