Example usage for javax.servlet.jsp JspFactory getEngineInfo

Introduction

In this page you can find the example usage for javax.servlet.jsp JspFactory getEngineInfo.

Prototype

public abstract JspEngineInfo getEngineInfo();

Source Link

Document

called to get implementation-specific information on the current JSP engine.

Usage

From source file:ro.raisercostin.web.DebuggingFilter.java

public String debug(ServletContext servletContext, HttpServletRequest request, HttpServletResponse response,
        DebuggingPrinter debuggingPrinter, boolean debugAll, boolean debugRequest) {
    final JspFactory jspFactory = JspFactory.getDefaultFactory();
    HttpSession session = request.getSession();
    debuggingPrinter.addHeader();/*ww w. j a  v a 2  s .  c o  m*/
    debuggingPrinter.addSection("Request Parameters");
    for (Iterator iterator = request.getParameterMap().entrySet().iterator(); iterator.hasNext();) {
        Map.Entry<String, Object> parameter = (Map.Entry<String, Object>) iterator.next();
        addRow(debuggingPrinter, parameter.getKey(),
                StringUtils.arrayToCommaDelimitedString((Object[]) parameter.getValue()));
    }
    debuggingPrinter.endSection();

    if (debugRequest) {
        debuggingPrinter.addSection("Request Header");
        for (Enumeration e = request.getHeaderNames(); e.hasMoreElements();) {
            String parameterName = (String) e.nextElement();
            addRow(debuggingPrinter, parameterName,
                    debuggingPrinter.transform(request.getHeader(parameterName)));
        }
        debuggingPrinter.endSection();

        debuggingPrinter.addSection("Request Attributes");
        java.util.Enumeration en = request.getAttributeNames();
        while (en.hasMoreElements()) {
            String attrName = (String) en.nextElement();
            try {
                addRow(debuggingPrinter, split(attrName, 50), toString2(request.getAttribute(attrName), 120));
            } catch (Exception e) {
                addRow(debuggingPrinter, split(attrName, 50), toString(e, 120));
            }

        }
        debuggingPrinter.endSection();

        debuggingPrinter.addSection("Session Attributes");
        en = session.getAttributeNames();
        while (en.hasMoreElements()) {
            String attrName = (String) en.nextElement();
            try {
                addRow(debuggingPrinter, split(attrName, 50), toString2(session.getAttribute(attrName), 120));
            } catch (Exception e) {
                addRow(debuggingPrinter, split(attrName, 50), toString(e, 120));
            }
        }
        debuggingPrinter.endSection();

        debuggingPrinter.addSection("Request Info");
        addRow(debuggingPrinter, "AuthType", request.getAuthType());
        addRow(debuggingPrinter, "ContextPath", request.getContextPath());
        addRow(debuggingPrinter, "Method", request.getMethod());
        addRow(debuggingPrinter, "PathInfo", request.getPathInfo());
        addRow(debuggingPrinter, "PathTranslated", request.getPathTranslated());
        addRow(debuggingPrinter, "Protocol", request.getProtocol());
        addRow(debuggingPrinter, "QueryString", request.getQueryString());
        addRow(debuggingPrinter, "RemoteAddr", request.getRemoteAddr());
        addRow(debuggingPrinter, "RemoteUser", request.getRemoteUser());
        addRow(debuggingPrinter, "RequestedSessionId", request.getRequestedSessionId());
        addRow(debuggingPrinter, "RequestURI", request.getRequestURI());
        addRow(debuggingPrinter, "RequestURL", request.getRequestURL().toString());
        addRow(debuggingPrinter, "ServletPath", request.getServletPath());
        addRow(debuggingPrinter, "Scheme", request.getScheme());
        addRow(debuggingPrinter, "ServletPath", request.getServletPath());
    }
    if (debugAll) {
        debuggingPrinter.addSection("Server");
        addRow(debuggingPrinter, "Server Info", servletContext.getServerInfo());
        addRow(debuggingPrinter, "Servlet Engine Version",
                servletContext.getMajorVersion() + "." + servletContext.getMinorVersion());
        addRow(debuggingPrinter, "JSP Version", jspFactory.getEngineInfo().getSpecificationVersion());
        debuggingPrinter.endSection();

        debuggingPrinter.addSection("JVM Properties");
        for (Enumeration e = System.getProperties().propertyNames(); e.hasMoreElements();) {
            String parameterName = (String) e.nextElement();
            addRow(debuggingPrinter, parameterName,
                    debuggingPrinter.transform(System.getProperty(parameterName)));
        }
        debuggingPrinter.endSection();

        debuggingPrinter.addSection("Environment");
        for (Map.Entry<String, String> property : System.getenv().entrySet()) {
            addRow(debuggingPrinter, property.getKey(), debuggingPrinter.transform(property.getValue()));
        }
        debuggingPrinter.endSection();

        debuggingPrinter.addSection("Debugger Provided by");
        addRow(debuggingPrinter, "provided by", "raisercostin");
        debuggingPrinter.addRow("source",
                "<a target='_blank' href='http://code.google.com/p/raisercostin/wiki/DebuggingFilter'>http://code.google.com/p/raisercostin/wiki/DebuggingFilter</a>");
        addRow(debuggingPrinter, "version", "1.0");
        addRow(debuggingPrinter, "timestamp", "2008.June.14");
        addRow(debuggingPrinter, "license",
                "<a target='_blank' href='http://www.apache.org/licenses/LICENSE-2.0.html'>Apache License 2.0</a>");
        debuggingPrinter.endSection();
    }
    debuggingPrinter.addFooter();
    return debuggingPrinter.getString();
}

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