src/main/java/org/jboss/util/xml/catalog/CatalogEntry.java
public String getEntryArg(int argNum) {
    try {
      String arg = (String) args.get(argNum);
      return arg;
    } catch (ArrayIndexOutOfBoundsException e) {
      return null;
    }
  }
public String getEntryArg(int argNum) {
    try {
      String arg = (String) args.get(argNum);
      return arg;
    } catch (ArrayIndexOutOfBoundsException e) {
      return null;
    }
  }
Get an entry argument.

@param argNum The argument number (arguments are numbered from 0).
@return The specified argument or null if an invalid argNum is
provided.