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:org.openxdata.server.servlet.FormOpenServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setHeader("Cache-Control", "no-cache");
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", -1);
    response.setHeader("Cache-Control", "no-store");

    response.setContentType(OpenXDataConstants.HTTP_HEADER_CONTENT_TYPE_XML);
    response.getOutputStream().print((String) request.getSession().getAttribute(KEY_FILE_CONTENTS));
}

From source file:com.googlecode.jsonplugin.JSONUtil.java

public static void writeJSONToResponse(SerializationParams serializationParams) throws IOException {
    StringBuilder stringBuilder = new StringBuilder();
    if (TextUtils.stringSet(serializationParams.getSerializedJSON()))
        stringBuilder.append(serializationParams.getSerializedJSON());

    if (TextUtils.stringSet(serializationParams.getWrapPrefix()))
        stringBuilder.insert(0, serializationParams.getWrapPrefix());
    else if (serializationParams.isWrapWithComments()) {
        stringBuilder.insert(0, "/* ");
        stringBuilder.append(" */");
    } else if (serializationParams.isPrefix())
        stringBuilder.insert(0, "{}&& ");

    if (TextUtils.stringSet(serializationParams.getWrapSuffix()))
        stringBuilder.append(serializationParams.getWrapSuffix());

    String json = stringBuilder.toString();

    if (log.isDebugEnabled()) {
        log.debug("[JSON]" + json);
    }//from ww  w  .  j a  v a  2 s . co m

    HttpServletResponse response = serializationParams.getResponse();

    //status or error code
    if (serializationParams.getStatusCode() > 0)
        response.setStatus(serializationParams.getStatusCode());
    else if (serializationParams.getErrorCode() > 0)
        response.sendError(serializationParams.getErrorCode());

    //content type
    if (serializationParams.isSmd())
        response.setContentType("application/json-rpc;charset=" + serializationParams.getEncoding());
    else
        response.setContentType(
                serializationParams.getContentType() + ";charset=" + serializationParams.getEncoding());

    if (serializationParams.isNoCache()) {
        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Expires", "0");
        response.setHeader("Pragma", "No-cache");
    }

    if (serializationParams.isGzip()) {
        response.addHeader("Content-Encoding", "gzip");
        GZIPOutputStream out = null;
        InputStream in = null;
        try {
            out = new GZIPOutputStream(response.getOutputStream());
            in = new ByteArrayInputStream(json.getBytes());
            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        } finally {
            if (in != null)
                in.close();
            if (out != null) {
                out.finish();
                out.close();
            }
        }

    } else {
        response.setContentLength(json.getBytes(serializationParams.getEncoding()).length);
        PrintWriter out = response.getWriter();
        out.print(json);
    }
}

From source file:it.cilea.osd.jdyna.web.controller.AutocompleteUsersView.java

protected void renderMergedOutputModel(Map model, HttpServletRequest httpServletRequest,
        HttpServletResponse response) throws Exception {

    response.setContentType("text/xml");
    response.setHeader("Cache-Control", "no-cache");

    List<DTOAutocomplete> users = (List<DTOAutocomplete>) model.get("result");

    String xml = new AjaxXmlBuilder().addItems(users, "display", "id", true).toString();

    ServletOutputStream out = response.getOutputStream();
    out.print(xml);//from   w  w w  .  ja  va2 s  .  c  o  m
    out.close();

}

From source file:net.sourceforge.subsonic.filter.RESTFilter.java

public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
        throws IOException, ServletException {
    try {/* w ww .ja v a2 s.com*/
        HttpServletResponse response = (HttpServletResponse) res;
        response.setHeader("Access-Control-Allow-Origin", "*");
        chain.doFilter(req, res);
    } catch (Throwable x) {
        handleException(x, (HttpServletRequest) req, (HttpServletResponse) res);
    }
}

From source file:org.openxdata.server.servlet.ImportServlet.java

private void writeErrorsToResponse(String errors, HttpServletResponse response) throws IOException {
    response.setHeader("Cache-Control", "no-cache");
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", -1);
    response.setHeader("Cache-Control", "no-store");

    response.setHeader("Content-Type", "text/csv;charset=UTF-8");
    response.setHeader("Content-Disposition", "attachment; filename=importErrros.csv");

    response.getWriter().write(errors);/* ww w . jav a 2s  .c o m*/
}

From source file:be.fedict.eid.idp.webapp.XSSProtectionFilter.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    Boolean xssProtection = this.configuration.getValue(ConfigProperty.XSS_PROTECTION, Boolean.class);
    if (null != xssProtection) {
        if (xssProtection.equals(Boolean.TRUE)) {
            HttpServletResponse httpServletResponse = (HttpServletResponse) response;
            httpServletResponse.setHeader("X-XSS-Protection", "1; mode=block");
        }/*  w w  w  .  ja  v  a2 s .co  m*/
    }
    chain.doFilter(request, response);
}

From source file:com.zoe.weiya.security.WwwAuthFilter.java

private void needAuthenticate(final HttpServletRequest request, final HttpServletResponse response) {
    response.setStatus(401);//from w ww .j av  a 2s  .c  o  m
    response.setHeader("Cache-Control", "no-store");
    response.setDateHeader("Expires", 0);
    response.setHeader("WWW-authenticate", AUTH_PREFIX + "Realm=\"WeiYa Auth\"");
}

From source file:com.cloudseal.spring.client.namespace.CloudSealLogoutImageFilter.java

protected void preventCaching(HttpServletResponse response) {
    Date now = new Date();
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Date", now.getTime());
    response.setDateHeader("Expires", now.getTime() - 86400000L); // one day old   
    response.setHeader("Cache-Control", "no-cache");
    response.addHeader("Cache-Control", "no-store");
    response.addHeader("Cache-Control", "must-revalidate");
}

From source file:com.tce.spring.oauth2.filters.CorsFilter.java

@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
        FilterChain filterChain) throws ServletException, IOException {
    response.setHeader("Access-Control-Allow-Origin", "*");
    response.setHeader("Access-Control-Allow-Methods", "POST, PUT, GET, OPTIONS, DELETE");
    response.setHeader("Access-Control-Allow-Headers", "x-requested-with, Content-Type, Authorization");
    response.setHeader("Access-Control-Max-Age", "3600");
    if (!"OPTIONS".equals(request.getMethod())) {
        filterChain.doFilter(request, response);
    } else {//from w w w.  j  a v  a  2 s  . c o m
    }
}

From source file:de.knurt.fam.template.controller.json.JSONController2.java

/**
 * print out json with the key and values got from
 * {@link JSONController2#getKeyAndValues(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)}
 * /*w  ww  .  ja v a 2  s. c o m*/
 * @param rq
 *            request
 * @param rs
 *            response
 * @return null
 */
public ModelAndView handleRequest(HttpServletRequest rq, HttpServletResponse rs) {
    PrintWriter pw = null;
    try {
        rs.setHeader("Content-type", "application/json");
        pw = rs.getWriter();
        IOUtils.write(this.getJSONObject().toString(), pw);
    } catch (IOException ex) {
        this.onIOException(ex);
    } finally {
        IOUtils.closeQuietly(pw);
    }
    return null;
}