Class MemShellCheck

GlassfishMemShell/src/main/java/com/axisx/MemShellCheck.java:16–315

import java.util.*;

public class MemShellCheck implements Filter {

    private static Integer count=0;

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest req = (HttpServletRequest) servletRequest;
        HttpServletResponse resp = (HttpServletResponse) servletResponse;
        count=0;
        resp.setCharacterEncoding("UTF-8");
        resp.setHeader("Content-type", "text/plain;charset=UTF-8");
        String id = req.getParameter("id");
        String action=req.getParameter("action");
        try {
            Object context=getContext();
            if(action.equals("scan")){
                /**
                 * Listener
                 */
                resp.getWriter().println("/**\n" + "* Listener\n" + "*/\n");
                List<Object> listeners=(List<Object>)getFV(context,"eventListeners");
                if (listeners != null || listeners.size() != 0) {
                    List<ServletRequestListener> newListeners = new ArrayList<>();
                    for (Object o : listeners) {
                        if (o instanceof ServletRequestListener) {
                            newListeners.add((ServletRequestListener) o);
                        }
                    }
                    String listenerTName=null;
                    for (ServletRequestListener listener : newListeners) {
                        listenerTName=listener.getClass().getName();
                        int idw=IDGenerate();
                        resp.getWriter().println(Template(idw,listener.hashCode(),null,null,listenerTName,listener.getClass().getClassLoader().getClass().getName(),listener.getClass()));
                        HashMap<String, Object> memShellInfo= CheckStruct.newMemShellInfo(null,null,listenerTName,listener.getClass().getClassLoader().getClass().getName(),listener.getClass(),"Listener");
                        CheckStruct.set(listener.hashCode(),memShellInfo);
                    }
                }


                /**
                 * Filter
                 */
                resp.getWriter().println("/**\n" + "* Filter\n" + "*/\n");
                List<Object> filterMaps1=(List<Object>)getFV(context,"filterMaps");;
                for (Object o:filterMaps1) {
                    try {
                        Method getFilterName = o.getClass().getDeclaredMethod("getFilterName");
                        getFilterName.setAccessible(true);
                        String filterName = (String) getFilterName.invoke(o, null);

                        HashMap<String, Object> filterConfigs = (HashMap<String, Object>) getFV(context, "filterConfigs");
                        Object appFilterConfig = filterConfigs.get(filterName);