public void processWebXml(final InputStream webXml, final OutputStream out) throws Exception {

    Document doc = createWebXmlDoc(webXml);
    mangleWebXml(doc);

    streamXML(doc, out);
  }
The main entry point for processing

@throws Exception if any errors occur.
extensions/geode-modules-session/src/main/java/org/apache/geode/modules/session/installer/Installer.java