org.opendatakit.odktables.util.ServiceUtils.java Source code

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Here is the source code for org.opendatakit.odktables.util.ServiceUtils.java

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/*
 * Copyright (C) 2013 University of Washington
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.opendatakit.odktables.util;

import java.util.Enumeration;
import java.util.List;

import javax.servlet.ServletContext;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MultivaluedMap;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.opendatakit.aggregate.odktables.rest.ApiConstants;

/**
 * Class to extract and format the request information coming in from ODK Tables
 * clients so that we can debug protocols more easily.
 *
 * @author mitchellsundt@gmail.com
 *
 */
public class ServiceUtils {

    private ServiceUtils() {
    };

    @SuppressWarnings({ "rawtypes", "unused" })
    public static void examineRequest(ServletContext sc, HttpServletRequest req) {
        Log logger = LogFactory.getLog(ServiceUtils.class);

        Enumeration headers = req.getHeaderNames();
        StringBuilder b = new StringBuilder();
        while (headers.hasMoreElements()) {
            String headerName = (String) headers.nextElement();
            Enumeration fieldValues = req.getHeaders(headerName);
            while (fieldValues.hasMoreElements()) {
                String fieldValue = (String) fieldValues.nextElement();
                b.append(headerName).append(": ").append(fieldValue).append("\n");
            }
        }

        String contentType = req.getContentType();
        logger.info("Content type: " + contentType);

        String charEncoding = req.getCharacterEncoding();
        logger.info("Character encoding: " + charEncoding);

        String headerSet = b.toString();
        logger.info("Headers: " + headerSet);

        Cookie[] cookies = req.getCookies();
        logger.info("Cookies: " + cookies);

        String method = req.getMethod();
        logger.info("Method: " + method);

        String ctxtPath = req.getContextPath();
        logger.info("Context Path: " + ctxtPath);

        String pathInfo = req.getPathInfo();
        logger.info("Path Info: " + pathInfo);

        String query = req.getQueryString();
        logger.info("Query String: " + query);

        String ace = req.getHeader(ApiConstants.ACCEPT_CONTENT_ENCODING_HEADER);
        boolean sessionId = req.isRequestedSessionIdValid();
    }

    @SuppressWarnings("unused")
    public static void examineRequest(ServletContext sc, HttpServletRequest req, HttpHeaders httpHeaders) {
        MultivaluedMap<String, String> headers = httpHeaders.getRequestHeaders();
        StringBuilder b = new StringBuilder();
        for (String headerName : headers.keySet()) {
            List<String> fieldValues = headers.get(headerName);
            for (String fieldValue : fieldValues) {
                b.append(headerName).append(": ").append(fieldValue).append("\n");
            }
        }
        String contentType = req.getContentType();
        String charEncoding = req.getCharacterEncoding();
        String headerSet = b.toString();
        Cookie[] cookies = req.getCookies();
        String method = req.getMethod();
        String ctxtPath = req.getContextPath();
        String pathInfo = req.getPathInfo();
        String query = req.getQueryString();
        boolean sessionId = req.isRequestedSessionIdValid();
    }
}