mojo.view.util.DebugUtils.java Source code

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Here is the source code for mojo.view.util.DebugUtils.java

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/*
 * Copyright (C) 2010 Dimitrios Menounos
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package mojo.view.util;

import java.util.Arrays;
import java.util.Enumeration;

import javax.servlet.http.HttpServletRequest;

import org.springframework.context.ApplicationContext;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public final class DebugUtils {

    private static final Logger logger = LoggerFactory.getLogger(DebugUtils.class);

    public static void logRequestInfo(HttpServletRequest req) {
        logger.debug("session.id          : " + req.getSession().getId());
        logger.debug("request.method      : " + req.getMethod());
        logger.debug("request.pathInfo    : " + req.getPathInfo());
        logger.debug("request.requestURI  : " + req.getRequestURI());
        logger.debug("request.requestURL  : " + req.getRequestURL());
        logger.debug("request.queryString : " + req.getQueryString());
        logger.debug("");

        logRequestHeaders(req);
        logRequestParameters(req);
        logRequestAttributes(req);
    }

    @SuppressWarnings("rawtypes")
    public static void logRequestHeaders(HttpServletRequest req) {
        logger.debug("REQUEST HEADERS");
        logger.debug("---------------");

        Enumeration enums = req.getHeaderNames();

        while (enums.hasMoreElements()) {
            String headerName = (String) enums.nextElement();
            String headerValue = req.getHeader(headerName);
            logger.debug(headerName + ": " + headerValue);
        }

        logger.debug("");
    }

    @SuppressWarnings("rawtypes")
    public static void logRequestParameters(HttpServletRequest req) {
        logger.debug("REQUEST PARAMETERS");
        logger.debug("------------------");

        Enumeration enums = req.getParameterNames();

        while (enums.hasMoreElements()) {
            String paramName = (String) enums.nextElement();
            String[] paramValues = req.getParameterValues(paramName);
            StringBuilder sb = new StringBuilder();
            sb.append(paramName).append(": " + paramValues);
            logger.debug(sb.toString());
        }

        logger.debug("");
    }

    @SuppressWarnings("rawtypes")
    public static void logRequestAttributes(HttpServletRequest req) {
        logger.debug("REQUEST ATTRIBUTES");
        logger.debug("------------------");

        Enumeration enums = req.getAttributeNames();

        while (enums.hasMoreElements()) {
            String attrName = (String) enums.nextElement();
            Object attrValue = req.getAttribute(attrName);
            StringBuilder sb = new StringBuilder();
            sb.append(attrName + ": " + attrValue);
            logger.debug(sb.toString());
        }

        logger.debug("");
    }

    public static void logBeanNames(ApplicationContext ctx) {
        System.out.println(ctx.getClass().getName() + " bean names:");
        String[] beanNames = ctx.getBeanDefinitionNames();
        Arrays.sort(beanNames);

        for (String beanName : beanNames) {
            System.out.println("\t" + beanName);
        }
    }
}