Example usage for javax.servlet.http HttpServletResponse setHeader

List of usage examples for javax.servlet.http HttpServletResponse setHeader

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  6. setHeader

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse setHeader.

Prototype

public void setHeader(String name, String value);

Source Link

Document

Sets a response header with the given name and value.

Usage

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

/**
 * ??Header./*from www  .  j a  v  a 2s  . 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.xpn.xwiki.user.impl.xwiki.MyBasicAuthenticator.java

public static void showLogin(HttpServletRequest request, HttpServletResponse response, String realmName)
        throws IOException {
    // save this request
    SecurityFilter.saveRequestInformation(request);

    // determine the number of login attempts
    int loginAttempts;
    if (request.getSession().getAttribute(LOGIN_ATTEMPTS) != null) {
        loginAttempts = ((Integer) request.getSession().getAttribute(LOGIN_ATTEMPTS)).intValue();
        loginAttempts += 1;//from w  w  w  .j av a2 s  . c  om
    } else {
        loginAttempts = 1;
    }
    request.getSession().setAttribute(LOGIN_ATTEMPTS, new Integer(loginAttempts));

    if (loginAttempts <= MAX_ATTEMPTS) {
        response.setHeader("WWW-Authenticate", "BASIC realm=\"" + realmName + "\"");
        response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
    } else {
        request.getSession().removeAttribute(LOGIN_ATTEMPTS);
        response.sendError(HttpServletResponse.SC_UNAUTHORIZED, LOGIN_FAILED_MESSAGE);
    }
}

From source file:ispyb.client.common.util.FileUtil.java

/**
 * downloadFile// ww  w .j  a  v a 2 s . c om
 * 
 * @param fullFilePath
 * @param mimeType
 * @param response
 */
public static void DownloadFile(String fullFilePath, String mimeType, String attachmentFilename,
        HttpServletResponse response) {
    try {
        byte[] imageBytes = FileUtil.readBytes(fullFilePath);
        response.setContentLength(imageBytes.length);
        ServletOutputStream out = response.getOutputStream();
        response.setHeader("Pragma", "public");
        response.setHeader("Cache-Control", "max-age=0");
        response.setContentType(mimeType);
        response.setHeader("Content-Disposition", "attachment; filename=" + attachmentFilename);

        out.write(imageBytes);
        out.flush();
        out.close();

    } catch (FileNotFoundException fnf) {
        LOG.debug("[DownloadFile] File not found: " + fullFilePath);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.weixin.core.util.Struts2Utils.java

/**
 * ?contentTypeheaders./*from  w  w w . j  a va  2  s . com*/
 */
private static HttpServletResponse initResponseHeader(final String contentType, final String... headers) {
    // ?headers?
    String encoding = DEFAULT_ENCODING;
    boolean noCache = DEFAULT_NOCACHE;
    HttpServletResponse response = ServletActionContext.getResponse();
    for (String header : headers) {
        String headerName = StringUtils.substringBefore(header, ":");
        String headerValue = StringUtils.substringAfter(header, ":");

        if (StringUtils.equalsIgnoreCase(headerName, HEADER_ENCODING)) {
            encoding = headerValue;
        } else if (StringUtils.equalsIgnoreCase(headerName, HEADER_NOCACHE)) {
            noCache = Boolean.parseBoolean(headerValue);
        } else if (StringUtils.equalsIgnoreCase(headerName, "Cache-Control")
                || StringUtils.equalsIgnoreCase(headerName, "Pragma")) {
            response.setHeader(headerName, headerValue);
            noCache = false;
        } else {
            throw new IllegalArgumentException(headerName + "??header");
        }
    }

    // headers?
    String fullContentType = contentType + ";charset=" + encoding;
    response.setContentType(fullContentType);

    response.setHeader("Pragma:", "public");
    if (noCache) {
        ServletUtils.setDisableCacheHeader(response);
    }

    return response;
}

From source file:com.mxep.web.web.Servlets.java

/**
 * ??Header./*from   w w  w  .ja v  a 2  s .  co 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 = EncodeUtils.urlEncode(fileName);
    } else {
        encodedfileName = new String(fileName.getBytes(), Charsets.ISO_8859_1);
    }

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

}

From source file:com.adito.vfs.webdav.DAVServlet.java

/**
 * Add the headers required for the browser to popup an authentication
 * dialog for a specified realm, and send the
 * {@link HttpServletResponse.SC_UNAUTHORIZED} HTTP response code.
 * // w w w . ja  v  a 2  s.c  o m
 * @param request request
 * @param response response
 * @param realm realm.
 * @throws IOException
 */
public static void sendAuthorizationError(HttpServletRequest request, HttpServletResponse response,
        String realm) throws IOException {
    /*
     * If this is for the default realm (i.e Adito Authentication, we
     * need to set up an authentication scheme
     */
    if (realm.equals(WebDAVAuthenticationModule.DEFAULT_REALM)) {
        configureAuthenticationScheme(request, response);
    }

    // Configure the response

    if (log.isDebugEnabled())
        log.debug("Sending auth request for realm " + realm);
    response.setHeader("WWW-Authenticate", "Basic realm=\"" + realm + "\"");
    response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
    request.getSession().setAttribute(DAVTransaction.ATTR_EXPECTING_REALM_AUTHENTICATION, realm);

}

From source file:com.aurel.track.exchange.latex.exporter.LaTeXExportBL.java

/**
 * Serializes the docx content into the response's output stream
 * @param response//from   w ww .j  ava 2 s.c o  m
 * @param wordMLPackage
 * @return
 */
public static String prepareReportResponse(HttpServletResponse response, TWorkItemBean workItem,
        ReportBeans reportBeans, TPersonBean user, Locale locale, String templateDir, String templateFile) {
    ReportBeansToLaTeXConverter rl = new ReportBeansToLaTeXConverter();
    File pdf = rl.generatePdf(workItem, reportBeans.getItems(), true, locale, user, "", "", false,
            new File(templateFile), new File(templateDir));
    String fileName = workItem.getSynopsis() + ".pdf";
    String contentType = "application/pdf";
    if (pdf.length() < 10) {
        pdf = new File(pdf.getParent() + "/errors.txt");
        fileName = workItem.getSynopsis() + ".txt";
        contentType = "text";
    }
    OutputStream outputStream = null;
    try {
        response.reset();
        response.setHeader("Content-Type", contentType);
        response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
        DownloadUtil.prepareCacheControlHeader(ServletActionContext.getRequest(), response);
        outputStream = response.getOutputStream();
        InputStream is = new FileInputStream(pdf);
        IOUtils.copy(is, outputStream);
        is.close();
    } catch (FileNotFoundException e) {
        LOGGER.error(ExceptionUtils.getStackTrace(e));
    } catch (IOException e) {
        LOGGER.error("Getting the output stream failed with " + e.getMessage());
        LOGGER.error(ExceptionUtils.getStackTrace(e));
    } catch (Exception e) {
        LOGGER.error(ExceptionUtils.getStackTrace(e));
    }

    //            Docx4J.save(wordMLPackage, outputStream, Docx4J.FLAG_NONE);
    //            //wordMLPackage.save(outputStream);
    //            /*SaveToZipFile saver = new SaveToZipFile(wordMLPackage);
    //         saver.save(outputStream);*/
    //         } catch (Exception e) {
    //            LOGGER.error("Exporting the docx failed with throwable " + e.getMessage());
    //            LOGGER.debug(ExceptionUtils.getStackTrace(e));
    //         }
    return null;
}

From source file:com.sslexplorer.vfs.webdav.DAVServlet.java

/**
 * Add the headers required for the browser to popup an authentication
 * dialog for a specified realm, and send the
 * {@link HttpServletResponse.SC_UNAUTHORIZED} HTTP response code.
 * /*from   ww w . j  a va2  s  .  c  om*/
 * @param request request
 * @param response response
 * @param realm realm.
 * @throws IOException
 */
public static void sendAuthorizationError(HttpServletRequest request, HttpServletResponse response,
        String realm) throws IOException {
    /*
     * If this is for the default realm (i.e SSL-Explorer Authentication, we
     * need to set up an authentication scheme
     */
    if (realm.equals(WebDAVAuthenticationModule.DEFAULT_REALM)) {
        configureAuthenticationScheme(request, response);
    }

    // Configure the response

    if (log.isDebugEnabled())
        log.debug("Sending auth request for realm " + realm);
    response.setHeader("WWW-Authenticate", "Basic realm=\"" + realm + "\"");
    response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
    request.getSession().setAttribute(DAVTransaction.ATTR_EXPECTING_REALM_AUTHENTICATION, realm);

}

From source file:com.ziduye.base.web.Servlets.java

/**
 * ??Header.//from www  .j  a  v a 2s .c om
 * 
 * @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.jsmartframework.web.manager.WebContext.java

private static void setResponseAsError(String errorCode) {
    // Case response error is called we need to call onError on client side
    HttpServletResponse response = getResponse();
    if (response != null) {
        response.setHeader("Error-Ajax", StringUtils.isNotBlank(errorCode) ? errorCode : ERROR_CODE);
    }/*from  w  ww.jav a 2s .c o  m*/
}