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:net.mindengine.oculus.frontend.web.controllers.display.FileDisplayController.java

public static void showTextFile(HttpServletResponse response, String path, String fileName, String contentType)
        throws IOException {

    OutputStream os = response.getOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(os);
    response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
    response.setContentType(contentType);
    response.setCharacterEncoding("UTF-8");
    String content = readFileAsString(path);
    w.write(content);//from  ww w  .j a v  a 2s.  c o  m
    w.flush();
    os.flush();
    os.close();
}

From source file:com.dosport.system.utils.ServletUtils.java

/**
 *  Header.//from w w  w  .ja va 2 s. c  om
 */
public static void setExpiresHeader(HttpServletResponse response, long expiresSeconds) {
    // Http 1.0 header
    response.setDateHeader("Expires", System.currentTimeMillis() + expiresSeconds * 1000);
    // Http 1.1 header
    response.setHeader("Cache-Control", "private, max-age=" + expiresSeconds);
}

From source file:com.handpay.ibenefit.framework.util.WebUtils.java

public static void setExpiresHeader(HttpServletResponse response, long expiresSeconds) {
    // Http 1.0 header
    response.setDateHeader("Expires", System.currentTimeMillis() + expiresSeconds * 1000);
    // Http 1.1 header
    response.setHeader("Cache-Control", "max-age=" + expiresSeconds);
}

From source file:com.pactera.edg.am.metamanager.extractor.util.AntZip.java

public static void zipFile(String inputFileName, HttpServletResponse response) {
    try {/*from  ww  w.  j  a  va2  s  . c  o m*/
        response.setContentType("text/plain;charset=utf-8");
        response.setHeader("Content-Disposition", "attachment;filename=data.zip");
        response.setStatus(HttpServletResponse.SC_OK); //??
        OutputStream output = response.getOutputStream();
        ZipOutputStream zipOut = new ZipOutputStream(output);
        zip(zipOut, new File(inputFileName), "");
        if (zipOut != null)
            zipOut.close();
        if (output != null)
            output.close();
    } catch (Exception e) {
        // TODO: handle exception
        e.printStackTrace();
    } finally {

    }

}

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

/**
 * ?Header.//from w ww.ja va 2  s  . co  m
 */
public static void setNoCacheHeader(HttpServletResponse response) {
    // Http 1.0 header
    response.setDateHeader("Expires", 1L);
    response.addHeader("Pragma", "no-cache");
    // Http 1.1 header
    response.setHeader("Cache-Control", "no-cache, no-store, max-age=0");
}

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

/**
 * ??Header.//  w ww  .  java 2  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) {
    }
}

From source file:de.mpg.escidoc.services.fledgeddata.webservice.oaiServlet.java

/**
 * Get a response Writer depending on acceptable encodings
 * @param request the servlet's request information
 * @param response the servlet's response information
 * @exception IOException an I/O error occurred
 *//*  ww  w  . j ava  2  s . c  o m*/
public static Writer getWriter(HttpServletRequest request, HttpServletResponse response) throws IOException {
    Writer out;
    String encodings = request.getHeader("Accept-Encoding");

    if (encodings != null && encodings.indexOf("gzip") != -1) {
        response.setHeader("Content-Encoding", "gzip");
        out = new OutputStreamWriter(new GZIPOutputStream(response.getOutputStream()), "UTF-8");
    } else if (encodings != null && encodings.indexOf("deflate") != -1) {
        response.setHeader("Content-Encoding", "deflate");
        out = new OutputStreamWriter(new DeflaterOutputStream(response.getOutputStream()), "UTF-8");
    } else {
        out = response.getWriter();
    }
    return out;
}

From source file:gov.nist.appvet.tool.sigverifier.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.j ava  2  s  .c o m
public static boolean sendInHttpResponse(HttpServletResponse response, String reportText,
        ToolStatus reportStatus) {
    try {
        response.setStatus(HttpServletResponse.SC_OK); // HTTP 200
        response.setContentType("text/html");
        response.setHeader("toolrisk", reportStatus.name());
        PrintWriter out = response.getWriter();
        out.println(reportText);
        out.flush();
        out.close();
        log.debug("Returned report");
        return true;
    } catch (IOException e) {
        log.error(e.toString());
        return false;
    }
}

From source file:org.openmrs.module.omodexport.util.OmodExportUtil.java

/**
 * Utility method for exporting a single module
 * //from w  ww  .ja  v a  2 s .co m
 * @param module -The module to export
 * @param response
 */
public static void exportSingleModule(Module module, HttpServletResponse response) {
    File file = module.getFile();
    response.setContentLength(new Long(file.length()).intValue());
    response.setContentType("application/zip");
    response.setHeader("Content-Disposition", "attachment; filename=\"" + file.getName() + "\"");
    try {
        FileCopyUtils.copy(new FileInputStream(file), response.getOutputStream());
    } catch (IOException e) {
        e.printStackTrace();
    }

}

From source file:com.wavemaker.runtime.FileController.java

public static void setCacheExpireDate(HttpServletResponse response, int seconds) {
    if (response != null) {
        Calendar cal = new GregorianCalendar();
        cal.add(Calendar.SECOND, seconds);
        response.setHeader("Cache-Control", "PUBLIC, max-age=" + seconds + ", must-revalidate");
        response.setHeader("Expires", htmlExpiresDateFormat().format(cal.getTime()));
    }//w w  w. j a  va  2s  .  c  o  m
}