private SortedBugCollection readXml(final InputStream file)
     throws IOException, DocumentException {
   SaxSetup sax = new SaxSetup();
   ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
   try {
     Thread.currentThread().setContextClassLoader(FindBugsParser.class.getClassLoader());
     SortedBugCollection collection = new SortedBugCollection();
     collection.readXML(file);
     return collection;
   } finally {
     Thread.currentThread().setContextClassLoader(contextClassLoader);
     sax.cleanup();
   }
 }