code: private static File[] findIFixXmlFiles(File wlpInstallationDirectory) {
          File iFixDirectory = new File(wlpInstallationDirectory, "lib/fixes");
          if (!iFixDirectory.exists() || !iFixDirectory.isDirectory()) {
              return new File[0];
          }
          File[] iFixFiles = iFixDirectory.listFiles(new FilenameFilter() {
              @Override
              public boolean accept(File dir, String fileName) {
                  return FileUtils.matchesFileExtension(".xml", fileName);
              }
          });
          return iFixFiles;
      }
docs: This loads all of the files ending with ".xml" within the lib/fixes directory of the WLP install. If none exist then it returns an empty array.
  
  @param wlpInstallationDirectory The installation directory of the current install
  @return The list of XML files or an empty array if none is found