Example usage for javax.servlet.http HttpServletResponse 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:com.emaxcore.emaxdata.common.web.Servlets.java

/**
 * ??Header./*from   w ww.  j av  a2 s .com*/
 *
 * @param fileName ???.
 */
public static void setFileDownloadHeader(HttpServletResponse response, String fileName) {
    try {
        // ???
        String encodedfileName = new String(fileName.getBytes(), "ISO8859-1");
        response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + encodedfileName + "\"");
    } catch (UnsupportedEncodingException e) {
        logger.warn(e + "");
        e.getMessage();
    }
}

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

/**
 * ??Header.//from  w  ww  . j a  v  a  2s  . co m
 * 
 * @param fileName ???.
 */
public static void setFileDownloadHeader(HttpServletResponse response, String fileName) {
    try {
        // ???
        String encodedfileName = new String(fileName.getBytes(), "ISO8859-1");
        response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + encodedfileName + "\"");
    } catch (UnsupportedEncodingException e) {
        e.getMessage();
    }
}

From source file:gov.nist.appvet.tool.synchtest.util.ReportUtil.java

/**
 * This method returns report information to the AppVet ToolAdapter as ASCII
 * text and cannot attach a file to the response.
 *///w  w w . ja  va2s .c om
public static boolean sendInHttpResponse(HttpServletResponse response, String reportText,
        ToolStatus reportStatus) {
    try {
        response.setStatus(HttpServletResponse.SC_OK); // HTTP 200
        response.setContentType("text/html");
        response.setHeader("apprisk", reportStatus.name());
        PrintWriter out = response.getWriter();
        out.println(reportText);
        out.flush();
        out.close();
        log.info("Returned report");
        return true;
    } catch (IOException e) {
        log.error("Report not sent: " + e.toString());
        return false;
    }
}

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

/**
 *  Header.//from w  w w .  j  av a2s  .  c o m
 */
public static void setExpiresHeader(HttpServletResponse response, long expiresSeconds) {
    // Http 1.0 header, set a fix expires date.
    response.setDateHeader(HttpHeaders.EXPIRES, System.currentTimeMillis() + (expiresSeconds * 1000));
    // Http 1.1 header, set a time after now.
    response.setHeader(HttpHeaders.CACHE_CONTROL, "private, max-age=" + expiresSeconds);
}

From source file:com.zving.platform.SysInfo.java

public static void downloadDB(HttpServletRequest request, HttpServletResponse response) {
    try {/*from   ww  w . j  a  v a  2 s . c o  m*/
        request.setCharacterEncoding(Constant.GlobalCharset);
        response.reset();
        response.setContentType("application/octet-stream");
        response.setHeader("Content-Disposition",
                "attachment; filename=DB_" + DateUtil.getCurrentDate("yyyyMMddHHmmss") + ".dat");
        OutputStream os = response.getOutputStream();

        String path = Config.getContextRealPath() + "WEB-INF/data/backup/DB_"
                + DateUtil.getCurrentDate("yyyyMMddHHmmss") + ".dat";
        new DBExport().exportDB(path);

        byte[] buffer = new byte[1024];
        int read = -1;
        FileInputStream fis = null;
        try {
            fis = new FileInputStream(path);
            while ((read = fis.read(buffer)) != -1)
                if (read > 0) {
                    byte[] chunk = (byte[]) null;
                    if (read == 1024) {
                        chunk = buffer;
                    } else {
                        chunk = new byte[read];
                        System.arraycopy(buffer, 0, chunk, 0, read);
                    }
                    os.write(chunk);
                    os.flush();
                }
        } finally {
            if (fis != null) {
                fis.close();
            }
        }
        os.flush();
        os.close();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.xsw.utils.Servlets.java

/**
 *  Header.//from w  ww .j a  v a2  s.com
 */
public static void setExpiresHeader(HttpServletResponse response, long expiresSeconds) {
    // Http 1.0 header, set a fix expires date.
    response.setDateHeader("Expires", System.currentTimeMillis() + expiresSeconds * 1000);
    // Http 1.1 header, set a time after now.
    response.setHeader("Cache-Control", "private, max-age=" + expiresSeconds);
}

From source file:com.groupon.odo.HttpUtilities.java

public static HttpServletResponse addHeader(HttpServletResponse response, Object[] headerPair) {
    // set header
    response.setHeader(headerPair[0].toString(), headerPair[1].toString());

    return response;
}

From source file:cn.com.qiqi.order.utils.Servlets.java

/**
 *  Header.//from  w  ww.ja  v a  2 s . co  m
 */
public static void setExpiresHeader(HttpServletResponse response, long expiresSeconds) {
    // Http 1.0 header, set a fix expires date.
    response.setDateHeader(HttpHeaders.EXPIRES, System.currentTimeMillis() + expiresSeconds * 1000);
    // Http 1.1 header, set a time after now.
    response.setHeader(HttpHeaders.CACHE_CONTROL, "private, max-age=" + expiresSeconds);
}

From source file:com.igrow.mall.common.util.Struts2Utils.java

/**
 * ./*from  w ww  . j  av a  2  s .c o  m*/
        
 * eg.
 * render("text/plain", "hello", "encoding:GBK");
 * render("text/plain", "hello", "no-cache:false");
 * render("text/plain", "hello", "encoding:GBK", "no-cache:false");
 * 
 * @param headers ??header??"encoding:""no-cache:",UTF-8true.
 */
public static void render(final String contentType, final String content, final String... headers) {
    try {
        //?headers?
        String encoding = ENCODING_DEFAULT;
        boolean noCache = NOCACHE_DEFAULT;
        for (String header : headers) {
            String headerName = StringUtils.substringBefore(header, ":");
            String headerValue = StringUtils.substringAfter(header, ":");

            if (StringUtils.equalsIgnoreCase(headerName, ENCODING_PREFIX)) {
                encoding = headerValue;
            } else if (StringUtils.equalsIgnoreCase(headerName, NOCACHE_PREFIX)) {
                noCache = Boolean.parseBoolean(headerValue);
            } else
                throw new IllegalArgumentException(headerName + "??header");
        }

        HttpServletResponse response = ServletActionContext.getResponse();

        //headers?
        String fullContentType = contentType + ";charset=" + encoding;
        response.setContentType(fullContentType);
        if (noCache) {
            response.setHeader("Pragma", "No-cache");
            response.setHeader("Cache-Control", "no-cache");
            response.setDateHeader("Expires", 0);
        }

        response.getWriter().write(content);
        response.getWriter().flush();

    } catch (IOException e) {
        logger.error(e.getMessage(), e);
    }
}

From source file:fiftyone.mobile.detection.webapp.JavascriptProvider.java

static void sendJavaScript(HttpServletRequest request, HttpServletResponse response, Dataset dataSet,
        StringBuilder javascript) throws IOException {

    response.reset();/*from www . ja  va2 s  .  c  o  m*/
    response.setContentType("application/x-javascript");
    response.setCharacterEncoding("UTF-8");
    response.setHeader("Vary", "User-Agent");
    response.setHeader("Cache-Control", "public");
    response.setHeader("Expires", dataSet.nextUpdate.toString());
    response.setHeader("Last-Modified", dataSet.published.toString());
    try {
        response.setHeader("ETag", eTagHash(dataSet, request));
    } catch (Exception ex) {
        // The response doesn't support eTags. Nothing we can do.
    }
    response.setBufferSize(DEFAULT_BUFFER_SIZE);
    response.setHeader("Content-Length", Integer.toString(javascript.length()));

    response.getOutputStream().println(javascript.toString());
    response.getOutputStream().flush();
    response.getOutputStream().close();
}