/************************************************************************* *                                                                       * *  EJBCA: The OpenSource Certificate Authority                          * *                                                                       * *  This software is free software; you can redistribute it and/or       * *  modify it under the terms of the GNU Lesser General Public           * *  License as published by the Free Software Foundation; either         * *  version 2.1 of the License, or any later version.                    * *                                                                       * *  See terms of license at gnu.org.                                     * *                                                                       * *************************************************************************/ package se.anatom.ejbca.apply;import java.io.*;import javax.servlet.ServletException;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;/** * Prints debug info back to browser client */public class ServletDebug {    private final ByteArrayOutputStream buffer;    private final PrintStream printer;    private final HttpServletRequest request;    private final HttpServletResponse response;    ServletDebug(HttpServletRequest request, HttpServletResponse response) {        buffer = new ByteArrayOutputStream();        printer = new PrintStream(buffer);        this.request = request;        this.response = response;    }    void printDebugInfo() throws IOException, ServletException {        request.setAttribute("ErrorMessage", new String(buffer.toByteArray()));        request.getRequestDispatcher("error.jsp").forward(request, response);    }    void print(Object o) {        printer.println(o);    }    void printMessage(String msg) {        print("<p>" + msg);    }    void printInsertLineBreaks(byte[] bA) throws Exception {        BufferedReader br = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(bA)));        while (true) {            String line = br.readLine();            if (line == null) {                break;            }            print(line.toString() + "<br>");        }    }    void takeCareOfException(Throwable t) {        ByteArrayOutputStream baos = new ByteArrayOutputStream();        t.printStackTrace(new PrintStream(baos));        print("<h4>Exception:</h4>");        try {            printInsertLineBreaks(baos.toByteArray());        } catch (Exception e) {            e.printStackTrace(printer);        }        request.setAttribute("Exception", "true");    }    void ieCertFix(byte[] bA) throws Exception {        ByteArrayOutputStream baos = new ByteArrayOutputStream();        PrintStream tmpPrinter = new PrintStream(baos);        RequestHelper.ieCertFormat(bA, tmpPrinter);        printInsertLineBreaks(baos.toByteArray());    }} // Debug