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.jaspersoft.jasperserver.war.StaticFilesCacheControlFilter.java

private void setHeaders(HttpServletRequest request, HttpServletResponse response) {
    try {/*  w  w  w .  j a  va  2  s.  co  m*/
        response.setHeader("Cache-Control", "max-age=" + expiresInSecs + ", public");
        response.setHeader("Pragma", "");
        response.setHeader("Expires",
                DATE_FORMAT.format(new Date(new Date().getTime() + expiresInSecs * 1000)));

    } catch (Exception ex) {
        log.warn("Cannot set cache headers", ex);
    }
}

From source file:biz.taoconsulting.dominodav.methods.OPTIONS.java

/**
 * (non-Javadoc)//from  w w  w  . j  av a2s.c o m
 * 
 * @see biz.taoconsulting.dominodav.methods.AbstractDAVMethod#writeInitialHeader()
 */
protected void writeInitialHeader() {
    HttpServletResponse resp = this.getResp();
    // Caldav header TODO: do we need to complete header methods for webDAV
    // with access-control, calendar-access?
    resp.setHeader("DAV", "1,2");
    resp.setHeader("MS-Author-Via", "DAV"); // needed so Office knows what
    // to do

}

From source file:com.attribyte.essem.BasicAuth.java

@Override
public void sendUnauthorized(final String index, final HttpServletResponse response) throws IOException {
    response.setHeader(WWW_AUTHENTICATE_HEADER, "Basic realm=" + "\"" + index + "\"");
    response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
}

From source file:RedirectNewLocation.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    PrintWriter out = response.getWriter();

    response.setStatus(HttpServletResponse.SC_MOVED_TEMPORARILY);
    response.setHeader("Location", "http://www.java2s.com");

    response.setContentType("text/html");
    return;/*  w  ww . j a  v  a  2s .  c  om*/
}

From source file:it.drwolf.ridire.servlet.TmpResourcesServlet.java

public void getTmpFile(String filename) {
    HttpServletResponse response = (HttpServletResponse) this.extCtx.getResponse();
    response.setContentType("text/html");
    response.setCharacterEncoding("UTF-8");
    response.setHeader("Expires", "0");
    response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
    response.setHeader("Pragma", "public");
    try {//  w w  w.  j a v a 2s.  c  om
        String ret = FileUtils.readFileToString(
                new File(
                        System.getProperty("java.io.tmpdir") + System.getProperty("file.separator") + filename),
                "UTF-8");
        response.getOutputStream().print(ret);
        response.getOutputStream().flush();
        // FacesContext.getCurrentInstance().responseComplete();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

From source file:com.controlj.green.istat.web.TreeServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    resp.setHeader("Expires", "Wed, 01 Jan 2003 12:00:00 GMT");
    resp.setHeader("Cache-Control", "no-cache");
    ServletOutputStream out = resp.getOutputStream();
    try {/*from   w  ww  .  j  a v a  2 s.co  m*/
        writeLevel(out, req.getParameter(LOCATION_PARAM), req);
    } catch (Exception e) {
        Logging.LOGGER.println("Error getting tree info");
        e.printStackTrace(Logging.LOGGER);
        throw new ServletException(e);
    }
    out.flush();
    /*
    out.println("[");
    out.println("{ display:'Main Conf Room', id:'mainconf'},");
    out.println("{ display:'Board Room', id:'boardroom'},");
    out.println("{ display:'Room 235', id:'room235'}");
    out.println("]");
    */
}

From source file:ee.pri.rl.blog.web.servlet.FileDownloadServlet.java

private void sendNotModified(String calculatedTag, HttpServletResponse resp) {
    resp.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
    resp.setHeader("ETag", calculatedTag);
}

From source file:org.apereo.openlrs.OpenLRSAuthenticationFilter.java

private void unauthorized(HttpServletResponse response, String message, String type) throws IOException {
    response.setHeader("WWW-Authenticate", type + " realm=\"OpenLRS\"");
    response.sendError(401, message);/*from www.ja  v  a  2s . c o m*/
}

From source file:com.adito.extensions.actions.GetApplicationFileAction.java

private void sendFile(InputStream in, long length, HttpServletResponse response) throws IOException {
    Util.noCache(response);//from  ww  w.  j a va 2 s  .  c  om

    response.setHeader("Content-type", "application/octet-stream");
    response.setContentLength((int) length);
    try {

        Util.copy(in, response.getOutputStream());

    } catch (IOException ex) {
    } finally {
        Util.closeStream(in);
        Util.closeStream(response.getOutputStream());
    }

}

From source file:com.iisigroup.cap.component.impl.FileDownloadResult.java

public void respondResult(ServletResponse response) {
    InputStream in = null;/*from w w w. ja v  a  2  s.co m*/
    OutputStream output = null;
    try {
        response.setContentType(_contentType);
        if (_outputName != null && response instanceof HttpServletResponse) {
            HttpServletResponse resp = (HttpServletResponse) response;
            resp.setHeader("Content-Disposition", "attachment;filename=\"" + _outputName + "\"");
            resp.setHeader("Cache-Control", "public");
            resp.setHeader("Pragma", "public");
        }
        output = response.getOutputStream();
        File file = new File(_file);
        int length = -1;
        // Stream to the requester.
        byte[] bbuf = new byte[1024 * 1024];
        int len = 0;
        in = new FileInputStream(file);
        while ((in != null) && ((length = in.read(bbuf)) != -1)) {
            output.write(bbuf, 0, length);
            len += length;
        }
        response.setContentLength(len);
        output.flush();
    } catch (Exception e) {
        throw new CapException(e, getClass());
    } finally {
        IOUtils.closeQuietly(in);
        IOUtils.closeQuietly(output);
    }

}