Example usage for javax.servlet.http HttpServletResponse setHeader

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

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  4. javax.servlet.http.*
  5. HttpServletResponse
  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:net.sf.j2ep.responsehandlers.TraceResponseHandler.java

/**
 * Will either respond with data from the underlying server
 * or the proxy's own data./*from w w w . j a  va 2  s .  com*/
 * @see net.sf.j2ep.model.ResponseHandler#process(javax.servlet.http.HttpServletResponse)
 */
public void process(HttpServletResponse response) throws IOException {

    if (proxyTargeted) {
        response.setStatus(HttpServletResponse.SC_OK);
        response.setHeader("content-type", "message/http");
        response.setHeader("Connection", "close");

        String path = method.getPath();
        String protocol = method.getParams().getVersion().toString();
        PrintWriter writer = response.getWriter();
        writer.println("TRACE " + path + " " + protocol);
        Header[] headers = method.getRequestHeaders();
        for (int i = 0; i < headers.length; i++) {
            writer.print(headers[i]);
        }
        writer.flush();
        writer.close();

    } else {
        setHeaders(response);
        response.setStatus(getStatusCode());
        sendStreamToClient(response);
    }
}

From source file:com.sambrannen.samples.events.web.RestEventController.java

@RequestMapping(method = POST)
@ResponseStatus(HttpStatus.CREATED)/*from  w w w.  j a va2 s .c  om*/
public void createEvent(@RequestBody Event postedEvent, HttpServletRequest request,
        HttpServletResponse response) {
    Event savedEvent = repository.save(postedEvent);
    String newLocation = buildNewLocation(request, savedEvent.getId());
    response.setHeader("Location", newLocation);
}

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

@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
        FilterChain filterChain) throws ServletException, IOException {

    if (log.isDebugEnabled()) {
        log.debug("CORSFilter invoked");
    }// w  w w .  ja va  2  s  .  c  o  m

    response.setHeader("Access-Control-Allow-Origin", "*");
    response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
    response.setHeader("Access-Control-Max-Age", "3600");
    response.setHeader("Access-Control-Allow-Headers",
            "x-requested-with, " + XApiConstants.XAPI_VERSION_HEADER + ", Authorization, Content-Type");
    filterChain.doFilter(request, response);
}

From source file:com.google.code.pentahoflashcharts.StaticContentGenerator.java

protected void allowBrowserCache(IPluginResourceLoader resLoader) {
    String maxAge = resLoader.getPluginSetting(StaticContentGenerator.class, "settings/max-age"); //$NON-NLS-1$
    if (maxAge == null || "0".equals(maxAge)) { //$NON-NLS-1$
        return;/*from   ww w  .  j a  va 2s .  co m*/
    }
    IParameterProvider pathParams = parameterProviders.get("path"); //$NON-NLS-1$
    if (maxAge != null) {
        HttpServletResponse response = (HttpServletResponse) pathParams.getParameter("httpresponse"); //$NON-NLS-1$
        if (response != null) {
            response.setHeader("Cache-Control", "max-age=" + maxAge); //$NON-NLS-1$ //$NON-NLS-2$
        }
    }
}

From source file:de.otto.jsonhome.registry.controller.RegistryJsonHomeController.java

@RequestMapping(value = "/json-home", produces = { "application/json-home" })
@ResponseBody/*  w  w  w  .j  a  v  a  2  s  .  co m*/
public Map<String, ?> getAsApplicationJsonHome(
        @RequestParam(required = false) @Doc(value = "The name of the json-home registry.") final String registry,
        final HttpServletResponse response) {
    LOG.info("Returning json-home in application/json-home format.");
    // home document should be cached:
    response.setHeader("Cache-Control", "max-age=" + maxAge);
    response.setHeader("Vary", "Accept");
    final String selectedRegistry = registry != null ? registry : defaultRegistry;
    return toRepresentation(jsonHomeSource.getJsonHome(selectedRegistry), APPLICATION_JSONHOME);
}

From source file:io.neba.core.resourcemodels.metadata.ModelStatisticsConsolePlugin.java

private void setNoCacheHeaders(HttpServletResponse res) {
    res.setHeader("Expires", "Sat, 6 May 1970 12:00:00 GMT");
    res.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
    res.addHeader("Cache-Control", "post-check=0, pre-check=0");
    res.setHeader("Pragma", "no-cache");
}

From source file:cz.fi.muni.xkremser.editor.server.AuthenticationServlet.java

private void requrireAuthentication(HttpServletResponse resp) throws IOException {
    resp.setHeader("WWW-Authenticate", "BASIC realm=\"users\"");
    resp.sendError(HttpServletResponse.SC_UNAUTHORIZED);
}

From source file:de.otto.jsonhome.registry.controller.RegistryJsonHomeController.java

@RequestMapping(value = "/json-home", produces = { "application/json" })
@ResponseBody/*w ww.  j av a 2  s.c o m*/
public Map<String, ?> getAsApplicationJson(
        @RequestParam(required = false) @Doc(value = "The name of the json-home registry.") final String registry,
        final HttpServletResponse response) {
    LOG.info("Returning json-home in application/json format.");
    // home document should be cached:
    response.setHeader("Cache-Control", "max-age=" + maxAge);
    response.setHeader("Vary", "Accept");
    try {
        final String selectedRegistry = registry != null ? registry : defaultRegistry;
        return toRepresentation(jsonHomeSource.getJsonHome(selectedRegistry), APPLICATION_JSON);
    } catch (final IllegalArgumentException e) {
        try {
            response.sendError(SC_NOT_FOUND, e.getMessage());
        } catch (IOException ignore) {
        }
        throw e;
    }
}

From source file:org.fishwife.jrugged.spring.StatusController.java

private void setCachingHeaders(HttpServletResponse resp) {
    long now = System.currentTimeMillis();
    resp.setDateHeader("Date", now);
    resp.setDateHeader("Expires", now);
    resp.setHeader("Cache-Control", "no-cache");
}

From source file:it.eng.spagobi.kpi.service.KpiExporterAction.java

/**
 * This action is called by the user who wants to export the result of a Kpi in PDF
 * /*w  ww . j  a v a  2  s  .  c om*/
 */

public void service(SourceBean serviceRequest, SourceBean serviceResponse) throws Exception {

    File tmpFile = null;
    logger.debug("IN");
    HttpServletRequest httpRequest = getHttpRequest();
    HttpSession session = httpRequest.getSession();

    this.freezeHttpResponse();

    try {
        // get KPI result
        List<KpiResourceBlock> listKpiBlocks = (List<KpiResourceBlock>) session.getAttribute("KPI_BLOCK");

        //List<KpiResourceBlock> listKpiBlocks=executeKpi(objectId);

        // recover BiObject Name
        Object idObject = serviceRequest.getAttribute(SpagoBIConstants.OBJECT_ID);
        if (idObject == null) {
            logger.error("Document id not found");
            return;
        }

        Integer id = Integer.valueOf(idObject.toString());
        BIObject document = DAOFactory.getBIObjectDAO().loadBIObjectById(id);
        String docName = document.getName();

        //Recover user Id
        HashedMap parameters = new HashedMap();
        String userId = null;
        Object userIdO = serviceRequest.getAttribute("user_id");
        if (userIdO != null)
            userId = userIdO.toString();

        it.eng.spagobi.engines.exporters.KpiExporter exporter = new KpiExporter();
        tmpFile = exporter.getKpiReportPDF(listKpiBlocks, document, userId);

        String outputType = "PDF";

        String mimeType = "application/pdf";

        logger.debug("Report exported succesfully");

        HttpServletResponse response = getHttpResponse();
        response.setContentType(mimeType);
        response.setHeader("Content-Disposition", "filename=\"report." + outputType + "\";");
        response.setContentLength((int) tmpFile.length());

        BufferedInputStream in = new BufferedInputStream(new FileInputStream(tmpFile));
        int b = -1;
        while ((b = in.read()) != -1) {
            response.getOutputStream().write(b);
        }
        response.getOutputStream().flush();
        in.close();
        logger.debug("OUT");

    } catch (Throwable e) {
        logger.error("An exception has occured", e);
        throw new Exception(e);
    } finally {

        tmpFile.delete();

    }
}