Example usage for javax.servlet.http HttpServletRequest getHeader

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

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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:org.apache.atlas.web.util.Servlets.java

/**
 * Returns the user of the given request.
 *
 * @param httpRequest    an HTTP servlet request
 * @return the user// w  ww  .  j  ava 2s.co m
 */
public static String getUserFromRequest(HttpServletRequest httpRequest) {
    String user = httpRequest.getRemoteUser();
    if (!StringUtils.isEmpty(user)) {
        return user;
    }

    user = httpRequest.getParameter("user.name"); // available in query-param
    if (!StringUtils.isEmpty(user)) {
        return user;
    }

    user = httpRequest.getHeader("Remote-User"); // backwards-compatibility
    if (!StringUtils.isEmpty(user)) {
        return user;
    }

    user = getDoAsUser(httpRequest);
    if (!StringUtils.isEmpty(user)) {
        return user;
    }

    return null;
}

From source file:com.liusoft.dlog4j.util.RequestUtils.java

/**
 * ??/*from   w  w  w .  jav  a  2s . c  o  m*/
 * @param req
 * @param out
 */
public static void dumpHeaders(HttpServletRequest req, PrintStream out) {
    Enumeration hds = req.getHeaderNames();
    out.println("=============== HEADERS ===============");
    while (hds.hasMoreElements()) {
        String name = (String) hds.nextElement();
        out.println(name + "=" + req.getHeader(name));
    }
}

From source file:com.zimbra.cs.servlet.ZimbraServlet.java

public static void addUAToLoggingContext(HttpServletRequest req) {
    ZimbraLog.addUserAgentToContext(req.getHeader("User-Agent"));
}

From source file:cn.guoyukun.spring.web.utils.DownloadUtils.java

public static void download(HttpServletRequest request, HttpServletResponse response, String displayName,
        byte[] bytes) throws IOException {

    if (ArrayUtils.isEmpty(bytes)) {
        response.setContentType("text/html;charset=utf-8");
        response.setCharacterEncoding("utf-8");
        response.getWriter().write("??");
        return;/*from  w  ww .j  ava2s .  c o  m*/
    }

    String userAgent = request.getHeader("User-Agent");
    boolean isIE = (userAgent != null) && (userAgent.toLowerCase().indexOf("msie") != -1);

    response.reset();
    response.setHeader("Pragma", "No-cache");
    response.setHeader("Cache-Control", "must-revalidate, no-transform");
    response.setDateHeader("Expires", 0L);

    response.setContentType("application/x-download");
    response.setContentLength((int) bytes.length);

    String displayFilename = displayName.substring(displayName.lastIndexOf("_") + 1);
    displayFilename = displayFilename.replace(" ", "_");
    if (isIE) {
        displayFilename = URLEncoder.encode(displayFilename, "UTF-8");
        response.setHeader("Content-Disposition", "attachment;filename=\"" + displayFilename + "\"");
    } else {
        displayFilename = new String(displayFilename.getBytes("UTF-8"), "ISO8859-1");
        response.setHeader("Content-Disposition", "attachment;filename=" + displayFilename);
    }
    BufferedInputStream is = null;
    OutputStream os = null;
    try {

        os = response.getOutputStream();
        is = new BufferedInputStream(new ByteArrayInputStream(bytes));
        IOUtils.copy(is, os);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(is);
    }
}

From source file:com.meltmedia.cadmium.servlets.FileServletTest.java

public static HttpServletRequest mockGetWithIfModifiedSince(String pathInfo, Long lastModified) {
    HttpServletRequest request = mockGet(pathInfo);
    when(request.getDateHeader(IF_MODIFIED_SINCE_HEADER)).thenReturn(lastModified);
    when(request.getHeader(anyString())).thenReturn(null);
    return request;
}

From source file:com.charity.core.controller.Servlets.java

/**
 * ??Header./*from   w w  w. java2s . c  om*/
 * 
 * @param fileName ???.
 */
public static void setFileDownloadHeader(HttpServletRequest request, HttpServletResponse response,
        String fileName) {
    // ???
    String encodedfileName;
    // ??firefox??,???+?
    fileName = fileName.trim().replaceAll(" ", "_");

    String agent = request.getHeader("User-Agent");
    boolean isMSIE = (agent != null && agent.toUpperCase().contains("MSIE"));
    if (isMSIE) {
        encodedfileName = Encodes.urlEncode(fileName);
    } else {
        encodedfileName = new String(fileName.getBytes(), Charsets.ISO_8859_1);
    }

    response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + encodedfileName + "\"");

}

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

/**
 * Prepare to send the file./* w  w w.  ja va  2  s .co  m*/
 */
public static void prepareSendFile(HttpServletRequest request, HttpServletResponse response, String fileName,
        String mimeType, boolean inline) throws UnsupportedEncodingException {
    String agent = request.getHeader("USER-AGENT");

    // Disable browser cache
    response.setHeader("Expires", "Sat, 6 May 1971 12:00:00 GMT");
    response.setHeader("Cache-Control", "must-revalidate");
    response.addHeader("Cache-Control", "no-store, no-cache, must-revalidate");
    response.addHeader("Cache-Control", "post-check=0, pre-check=0");
    response.setHeader("Pragma", "no-cache");

    // Set MIME type
    response.setContentType(mimeType);

    if (null != agent && -1 != agent.indexOf("MSIE")) {
        log.debug("Agent: Explorer ({})", request.getServerPort());
        fileName = URLEncoder.encode(fileName, "UTF-8").replaceAll("\\+", " ");

        if (request.getServerPort() == 443) {
            log.debug("HTTPS detected! Apply IE workaround...");
            response.setHeader("Cache-Control", "max-age=1");
            response.setHeader("Pragma", "public");
        }
    } else if (null != agent && -1 != agent.indexOf("Mozilla")) {
        log.debug("Agent: Mozilla");
        fileName = MimeUtility.encodeText(fileName, "UTF-8", "B");
    } else {
        log.debug("Agent: Unknown");
    }

    if (inline) {
        response.setHeader("Content-disposition", "inline; filename=\"" + fileName + "\"");
    } else {
        response.setHeader("Content-disposition", "attachment; filename=\"" + fileName + "\"");
    }
}

From source file:cc.sion.core.web.Servlets.java

/**
 * ??Header./*from   w w w.ja v a2  s .  c  o m*/
 *
 * @param fileName ???.
 */
public static void setFileDownloadHeader(HttpServletRequest request, HttpServletResponse response,
        String fileName) {
    // ???
    String encodedfileName = null;
    // ??firefox??,???+?
    encodedfileName = fileName.trim().replaceAll(" ", "_");
    String agent = request.getHeader("User-Agent");
    boolean isMSIE = (agent != null && agent.toUpperCase().indexOf("MSIE") != -1);
    if (isMSIE) {
        encodedfileName = Encodes.urlEncode(fileName);
    } else {
        encodedfileName = new String(fileName.getBytes(), Charsets.ISO_8859_1);
    }

    response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + encodedfileName + "\"");

}

From source file:com.berrysys.ussdgw.HttpUtils.java

/**
 * Do post.//from w  w w  . j  a v  a 2  s .co m
 *
 * @param req the req
 * @param resp the resp
 * @param dialogListener the dialog listener
 * @throws IOException Signals that an I/O exception has occurred.
 */
public static void doPost(HttpServletRequest req, HttpServletResponse resp, final DialogListener dialogListener)
        throws IOException {

    boolean available = GlobalNetworkInitiatedSemaphore.getInstance().getSemaphore().tryAcquire();

    if (!available) {
        queueFullLogic(resp);
        return;
    }

    final String ussdAppUrl = req.getHeader("ussd-app-url");

    log.trace(String.format("ussd-app-url: %s", ussdAppUrl));

    final String payload = getPayload(req);

    log.trace(String.format("payload: %s", payload));

    HawtDispatchUtil.getInstance().queueExecute(new Runnable() {

        @Override
        public void run() {
            processHttpRequest(payload, ussdAppUrl, dialogListener);
        }

    });

    String response = "Request received successfully.";

    resp.setContentType("text/html");
    resp.setStatus(HttpServletResponse.SC_OK);
    resp.getWriter().println(response);

}

From source file:org.codehaus.groovy.grails.plugins.springsecurity.AuthorizeTools.java

/**
 * Check if the request was triggered by an Ajax call.
 * @param request the request/*from  ww w.  j a v  a 2 s .co m*/
 * @return <code>true</code> if Ajax
 */
public static boolean isAjax(final HttpServletRequest request) {

    // look for an ajax=true parameter
    if ("true".equals(request.getParameter("ajax"))) {
        return true;
    }

    // check the current request's headers
    if (request.getHeader(_ajaxHeaderName) != null) {
        return true;
    }

    // check the SavedRequest's headers
    SavedRequest savedRequest = (SavedRequest) request.getSession()
            .getAttribute(AbstractProcessingFilter.SPRING_SECURITY_SAVED_REQUEST_KEY);
    if (savedRequest != null) {
        return savedRequest.getHeaderValues(_ajaxHeaderName).hasNext();
    }

    return false;
}