Example usage for javax.servlet.http HttpServletRequest getHeader

List of usage examples for javax.servlet.http HttpServletRequest getHeader

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  4. javax.servlet.http.*
  5. HttpServletRequest
  6. getHeader

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletRequest getHeader.

Prototype

public String getHeader(String name);

Source Link

Document

Returns the value of the specified request header as a String.

Usage

From source file:ke.alphacba.cms.core.util.RequestUtils.java

/**
 * ????/*ww w .  j a  v  a 2  s  . c om*/
 * 
 * @param request
 * @param fileName
 * @return
 */
public static String encodeFileName(HttpServletRequest request, String fileName) {
    if (StringUtils.isNotBlank(fileName)) {
        try {
            String userAgent = request.getHeader(CoreConstants.USER_AGENT).toUpperCase();
            if (userAgent.indexOf(CoreConstants.MSIE) != -1) {// IE
                fileName = URLEncoder.encode(fileName, CoreConstants.UTF_8);
            } else if (userAgent.indexOf(CoreConstants.FIREFOX) != -1
                    || userAgent.indexOf(CoreConstants.CHROME) != -1) {// FIREFOX
                fileName = new String(fileName.getBytes(CoreConstants.UTF_8), CoreConstants.ISO_8859_1);
            } else {
                throw new RuntimeException("????IE????!");
            }
        } catch (Exception e) {
            LOGGER.error("??[" + fileName + "]?", e);
        }
    } else {
        fileName = "";
    }
    return fileName + "_" + FDF.format(new Date());
}

From source file:com.trc.core2.web.Servlets.java

/**
 * ?Ajax/*from  w  w  w  . j a v a  2s .  co  m*/
 * @param request
 */
public static boolean isAjaxRequest(HttpServletRequest request) {
    String accept = request.getHeader("accept");
    String xRequestedWith = request.getHeader("X-Requested-With");
    //Principal principal = UserUtils.getPrincipal();
    // ?
    return ((accept != null && accept.indexOf("application/json") != -1
            || (xRequestedWith != null && xRequestedWith.indexOf("XMLHttpRequest") != -1))
            || "*/*".equals(accept));
}

From source file:com.ulplanet.trip.common.web.Servlets.java

/**
 * ?Ajax/*from w w w  .  j  av a  2s.  c  o m*/
 * @param request
 */
public static boolean isAjaxRequest(HttpServletRequest request) {

    String accept = request.getHeader("accept");
    String xRequestedWith = request.getHeader("X-Requested-With");
    Principal principal = UserUtils.getPrincipal();

    // ?
    return ((accept != null && accept.contains("application/json")
            || (xRequestedWith != null && xRequestedWith.contains("XMLHttpRequest")) || principal != null));
}

From source file:com.lily.dap.web.util.WebUtils.java

/**
 *  If-None-Match Header,Etag./*w  w  w  .jav a 2s.  c  o  m*/
 * 
 * Etag,checkIfNoneMatchfalse, 304 not modify status.
 */
public static boolean checkIfNoneMatchEtag(HttpServletRequest request, HttpServletResponse response,
        String etag) {
    String headerValue = request.getHeader("If-None-Match");
    if (headerValue != null) {
        boolean conditionSatisfied = false;
        if (!headerValue.equals("*")) {
            StringTokenizer commaTokenizer = new StringTokenizer(headerValue, ",");

            while (!conditionSatisfied && commaTokenizer.hasMoreTokens()) {
                String currentToken = commaTokenizer.nextToken();
                if (currentToken.trim().equals(etag)) {
                    conditionSatisfied = true;
                }
            }
        } else {
            conditionSatisfied = true;
        }

        if (conditionSatisfied) {
            response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
            response.setHeader("ETag", etag);
            return false;
        }
    }
    return true;
}

From source file:com.whatlookingfor.core.base.web.Servlets.java

/**
 * ?Ajax//  ww  w .  ja  v  a 2 s .  c  om
 * @param request
 */
public static boolean isAjaxRequest(HttpServletRequest request) {

    String accept = request.getHeader("accept");
    String xRequestedWith = request.getHeader("X-Requested-With");
    // ?
    return ((accept != null && accept.indexOf("application/json") != -1
            || (xRequestedWith != null && xRequestedWith.indexOf("XMLHttpRequest") != -1)));
}

From source file:com.emaxcore.emaxdata.common.web.Servlets.java

/**
 * ?Ajax/*  ww w  .  j  ava2s .c  om*/
 * @param request
 */
public static boolean isAjaxRequest(HttpServletRequest request) {

    String accept = request.getHeader("accept");
    String xRequestedWith = request.getHeader("X-Requested-With");
    Principal principal = UserUtils.getPrincipal();

    // ?
    return ((accept != null && accept.indexOf("application/json") != -1)
            || (xRequestedWith != null && xRequestedWith.indexOf("XMLHttpRequest") != -1)
            || (principal != null && principal.isMobileLogin()));
}

From source file:com.magnet.mmx.server.plugin.mmxmgmt.util.AuthUtil.java

/**
 * Use the information from the request to see if it has the Basic authorization header. If it does
 * validate it.// w ww .j  a va 2  s.co m
 * @param request
 * @return true if the user is authorized and false if the user is not authorized.
 * @throws IOException
 */
public static boolean isAuthorized(HttpServletRequest request) throws IOException {
    String username = null;
    String password = null;
    boolean authorized = false;
    String authHeader = request.getHeader(KEY_AUTHORIZATION);
    if (authHeader != null) {
        StringTokenizer st = new StringTokenizer(authHeader);
        if (st.hasMoreTokens()) {
            String basic = st.nextToken();
            if (basic.equalsIgnoreCase(KEY_BASIC)) {
                try {
                    String credentials = new String(
                            org.apache.commons.codec.binary.Base64.decodeBase64(st.nextToken().getBytes()),
                            MMXServerConstants.UTF8_ENCODING);
                    LOGGER.debug("Auth header {} ", authHeader);
                    int p = credentials.indexOf(":");
                    if (p != -1) {
                        username = credentials.substring(0, p).trim();
                        password = credentials.substring(p + 1).trim();
                    } else {
                        LOGGER.warn("Invalid authentication token");
                    }
                } catch (UnsupportedEncodingException e) {
                    LOGGER.warn("Couldn't retrieve authentication", e);
                }
            }
        }
    } else {
        LOGGER.info("Request is missing the authorization header");
    }
    AuthToken token = null;
    if (username != null && password != null) {
        try {
            token = AuthFactory.authenticate(username, password);
        } catch (ConnectionException e) {
            LOGGER.error("isAuthorized : ", e);
        } catch (InternalUnauthenticatedException e) {
            LOGGER.error("isAuthorized : ", e);
        } catch (UnauthorizedException e) {
            LOGGER.error("isAuthorized : ", e);
        }
    }
    if (token != null) {
        AdminManager manager = AdminManager.getInstance();
        authorized = manager.isUserAdmin(username, false);
        if (!authorized) {
            LOGGER.info("User:{} is not an admin. Not granting access", username);
        }
    }
    return authorized;
}

From source file:BrowserDetect.java

/**
 * Does this web browser support comet?//  ww  w.  j  a  v  a  2s  . c o  m
 * @param request The request so we can get at the user-agent header
 * @return True if long lived HTTP connections are supported
 */
public static boolean supportsComet(HttpServletRequest request) {
    String userAgent = request.getHeader("user-agent");

    // None of the non-iPhone mobile browsers that I've tested support comet
    if (userAgent.contains("Symbian")) {
        return false;
    }

    // We need to test for other failing browsers here

    return true;
}

From source file:com.github.ipaas.ifw.util.IPUtil.java

/**
 * ???IP//from w  ww. j av  a 2  s.  co  m
 * 
 * @param request
 *            http
 * @param mode
 *            0:user ip, 1:wap user ip, 2: nearest client ip
 * @return
 */
private static String getClientIP(HttpServletRequest request, int mode) {
    String ip = request.getHeader("x-forwarded-for");
    if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
        ip = request.getHeader("Proxy-Client-IP");
    } else {
        String[] ips = ip.split(",");
        ip = ips[0].trim();
    }

    if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
        ip = request.getHeader("WL-Proxy-Client-IP");
    } else {
        return ip.trim();
    }

    if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
        ip = request.getRemoteAddr();
    }

    return ip.trim();
}

From source file:com.innovate.cms.common.web.Servlets.java

/**
 * ?Ajax//from w w w .  j a va2s  .c  o  m
 * @param request
 */
public static boolean isAjaxRequest(HttpServletRequest request) {

    String accept = request.getHeader("accept");
    String xRequestedWith = request.getHeader("X-Requested-With");

    // ?
    return ((accept != null && accept.indexOf("application/json") != -1
            || (xRequestedWith != null && xRequestedWith.indexOf("XMLHttpRequest") != -1)));
}