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.*
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  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:cn.bc.web.util.WebUtils.java

/**
 * ???//from   w ww  .  jav a2 s  .  c om
 * 
 * @param request
 * @return
 */
public static String getBrowser(HttpServletRequest request) {
    return request.getHeader("User-Agent");
}

From source file:com.log4ic.compressor.utils.HttpUtils.java

/**
 * ???// w  w  w. j  a  va2s .  c o  m
 *
 * @param request
 * @return
 */
public static List<BrowserInfo> getRequestBrowserInfo(HttpServletRequest request) {
    List<BrowserInfo> list = new FastList<BrowserInfo>();
    String userAgent = request.getHeader("User-Agent");
    for (BrowserTester tester : browserTesterList) {
        //??
        String browserType = findPattern(userAgent, tester.getRegex());
        if (browserType != null) {
            BrowserInfo info = new BrowserInfo();
            info.setBrowserType(tester.getIdentity());
            //?
            String browserVersion = findPattern(userAgent, tester.getVersionRegex());
            if (StringUtils.isNotBlank(browserVersion)) {
                try {
                    browserVersion = findPattern(browserVersion, "\\d+\\.\\d+");
                    info.setBrowserVersion(Double.parseDouble(browserVersion));
                } catch (Exception e) {
                }

                list.add(info);
            }
        }
    }
    return list;
}

From source file:org.artifactory.webapp.servlet.RequestUtils.java

/**
 * Verifies user agent is Internet Explorer according to:
 * https://msdn.microsoft.com/en-us/library/hh869301(v=vs.85).aspx
 * https://msdn.microsoft.com/en-us/library/ms537503(v=vs.85).aspx
 * http://www.useragentstring.com/pages/Internet%20Explorer/
 *
 * And adds the compatibility header to avoid explorer defaulting to IE7 mode when launching compatibility view.
 * see RTFACT-7928/*w w  w  .ja  v  a2  s.  co  m*/
 */
private static void verifyExplorerUserAgentAndSetHeader(HttpServletRequest request,
        HttpServletResponse response) {
    String userAgent = request.getHeader(HttpHeaders.USER_AGENT);
    if (isNewExplorer(userAgent)) {
        response.setHeader("X-UA-Compatible", "IE=Edge");
    }
}

From source file:ru.anr.base.facade.web.api.CommandUtils.java

/**
 * Building a command with data extracted from {@link HttpServletRequest}
 * (method, headers).//  www.j a v a2  s  . com
 * 
 * 
 * @param commandId
 *            Identifier of Command
 * @param apiVersion
 *            API Version
 * @param request
 *            Http request
 * @return A command instance
 */
public static APICommand build(String commandId, String apiVersion, HttpServletRequest request) {

    APICommand cmd = new APICommand(commandId, apiVersion);

    if (MediaType.APPLICATION_XML_VALUE.equals(request.getContentType())) {
        cmd.setRequestFormat(RawFormatTypes.XML);
    } else {
        cmd.setRequestFormat(RawFormatTypes.JSON);
    }
    if (MediaType.APPLICATION_XML_VALUE.equals(request.getHeader("Accept"))) {
        cmd.setResponseFormat(RawFormatTypes.XML);
    } else {
        cmd.setResponseFormat(RawFormatTypes.JSON);
    }
    cmd.method(request.getMethod());
    return cmd;
}

From source file:com.soolr.core.web.Servlets.java

/**
 * ??Header./*w w w .j  a v a2s. c  om*/
 * 
 * @param fileName ???.
 */
public static void setFileDownloadHeader(HttpServletRequest request, HttpServletResponse response,
        String fileName) {
    try {
        String agent = request.getHeader("User-Agent");
        boolean isMSIE = ((agent != null) && (agent.indexOf("MSIE") != -1));
        String encoded = isMSIE ? URLEncoder.encode(fileName, "UTF-8")
                : new String(fileName.getBytes("UTF-8"), "ISO-8859-1");
        response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + encoded + "\"");
    } catch (UnsupportedEncodingException e) {

    }
}

From source file:com.squid.kraken.v4.auth.RequestHelper.java

public static <T> T processRequest(Class<T> type, HttpServletRequest request, HttpRequestBase req)
        throws IOException, URISyntaxException, ServerUnavailableException, ServiceException,
        SSORedirectException {// ww  w.j av  a2  s.  c o m

    // set client information to the header
    String reqXFF = request.getHeader(STRING_XFF_HEADER);
    String postXFF;
    if (reqXFF != null) {
        // X-Forwarded-For header already exists in the request
        logger.info(STRING_XFF_HEADER + " : " + reqXFF);
        if (reqXFF.length() > 0) {
            // just add the remoteHost to it
            postXFF = reqXFF + ", " + request.getRemoteHost();
        } else {
            postXFF = request.getRemoteHost();
        }
    } else {
        postXFF = request.getRemoteHost();
    }

    // add a new X-Forwarded-For header containing the remoteHost
    req.addHeader(STRING_XFF_HEADER, postXFF);

    // execute the login request
    HttpResponse executeCode;
    try {
        HttpClient client = HttpClientBuilder.create().build();
        executeCode = client.execute(req);
    } catch (ConnectException e) {
        // Authentication server unavailable
        throw new ServerUnavailableException(e);
    }

    // process the result
    BufferedReader rd = new BufferedReader(new InputStreamReader(executeCode.getEntity().getContent()));

    StringBuffer resultBuffer = new StringBuffer();
    String line = "";
    while ((line = rd.readLine()) != null) {
        resultBuffer.append(line);
    }
    String result = resultBuffer.toString();

    T fromJson;
    Gson gson = new Gson();
    int statusCode = executeCode.getStatusLine().getStatusCode();
    if (statusCode != 200) {
        if (executeCode.getStatusLine().getStatusCode() == HttpStatus.SC_MOVED_TEMPORARILY) {
            String redirectURL = executeCode.getFirstHeader("Location").getValue();
            throw new SSORedirectException("SSO Redirect Exception", redirectURL);
        } else {
            logger.info("Error : " + req.getURI() + " resulted in : " + result);
            WebServicesException exception;
            try {
                exception = gson.fromJson(result, WebServicesException.class);
            } catch (Exception e) {
                if ((statusCode >= 500) && (statusCode < 600)) {
                    // Authentication server unavailable
                    throw new ServerUnavailableException();
                } else {
                    throw new ServiceException();
                }
            }
            throw new ServiceException(exception);
        }
    } else {
        // forward to input page displaying ok message
        try {
            fromJson = gson.fromJson(result, type);
        } catch (Exception e) {
            throw new ServiceException(e);
        }
    }
    return fromJson;
}

From source file:com.openkm.util.WebUtils.java

/**
 * Get HTTP header.//from  ww  w  . j  a  va 2  s  .c  o m
 */
private static String getHeader(HttpServletRequest request, String name) {
    String value = request.getHeader(name);

    if (value != null) {
        return value;
    } else {
        return EMPTY_STRING;
    }
}

From source file:cn.bc.web.util.WebUtils.java

/**
 * ?IP??/*from w w  w  .j a  v a  2s .c  o m*/
 * 
 * @param request
 * @return
 */
public static String getClientIP(HttpServletRequest request) {
    String ip = request.getHeader("x-forwarded-for");// apache?
    logger.debug("get clientIP by request.getHeader(\"x-forwarded-for\")");
    if (ip == null || ip.length() == 0 || ip.equalsIgnoreCase("unknown")) {
        ip = request.getHeader("Proxy-Client-IP");// ?
        logger.debug("get clientIP by request.getHeader(\"Proxy-Client-IP\")");
    }
    if (ip == null || ip.length() == 0 || ip.equalsIgnoreCase("unknown")) {
        ip = request.getHeader("WL-Proxy-Client-IP");// weblogic
        logger.debug("get clientIP by request.getHeader(\"WL-Proxy-Client-IP\")");
    }
    if (ip == null || ip.length() == 0 || ip.equalsIgnoreCase("unknown")) {
        ip = request.getRemoteAddr();// 
        logger.debug("get clientIP by request.getRemoteAddr()");
    }
    return ip;
}

From source file:your.microservice.core.util.YourServletUriComponentsBuilder.java

/**
 * Prepare a builder by copying the scheme, host, port, path, and
 * query string of an HttpServletRequest.
 * @param request to build path from//from ww w  . ja  v  a2s . c o  m
 * @return a URI component builder
 */
public static YourServletUriComponentsBuilder fromRequest(HttpServletRequest request) {
    String scheme = request.getScheme();
    String host = request.getServerName();
    int port = request.getServerPort();

    String hostHeader = request.getHeader("X-Forwarded-Host");
    if (StringUtils.hasText(hostHeader)) {
        String[] hosts = StringUtils.commaDelimitedListToStringArray(hostHeader);
        String hostToUse = hosts[0];
        if (hostToUse.contains(":")) {
            String[] hostAndPort = StringUtils.split(hostToUse, ":");
            host = hostAndPort[0];
            port = Integer.parseInt(hostAndPort[1]);
        } else {
            host = hostToUse;
            port = -1;
        }
    }

    String portHeader = request.getHeader("X-Forwarded-Port");
    if (StringUtils.hasText(portHeader)) {
        port = Integer.parseInt(portHeader);
    }

    String protocolHeader = request.getHeader("X-Forwarded-Proto");
    if (StringUtils.hasText(protocolHeader)) {
        scheme = protocolHeader;
    }

    YourServletUriComponentsBuilder builder = new YourServletUriComponentsBuilder();
    builder.scheme(scheme);
    builder.host(host);
    if (scheme.equals("http") && port != 80 || scheme.equals("https") && port != 443) {
        builder.port(port);
    }
    builder.pathFromRequest(request);
    builder.query(request.getQueryString());
    return builder;
}

From source file:com.o2o.util.WebUtils.java

/**
 * ??//from  w ww  . jav  a  2 s . com
 * @param request
 * @return
 */
public static Boolean isWeiXin(HttpServletRequest request) {
    String ua = request.getHeader("user-agent").toLowerCase();
    if (ua.indexOf("micromessenger") > 0) {// ?
        return true;
    }
    return false;
}