Example usage for javax.servlet.http HttpServletResponse addHeader

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse addHeader.

Prototype

public void addHeader(String name, String value);

Source Link

Document

Adds a response header with the given name and value.

Usage

From source file:edu.umn.cs.spatialHadoop.visualization.HadoopvizServer.java

/**
 * The handler for all requests./*from   w w w . j  a  v a 2s  .  c o  m*/
 */
@Override
public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch)
        throws IOException, ServletException {
    // Bypass cross-site scripting (XSS)
    response.addHeader("Access-Control-Allow-Origin", "*");
    response.addHeader("Access-Control-Allow-Credentials", "true");
    ((Request) request).setHandled(true);

    try {
        LOG.info("Received request: '" + request.getRequestURL() + "'");
        if (target.endsWith("/generate_dataset.cgi")) {
            handleGenerateDataset(request, response);
        } else if (target.endsWith("/visualize.cgi")) {
            handlePlot(request, response);
        } else if (target.endsWith("/generate_output_list.cgi")) {
            handleGenerateOutputList(request, response);
        } else if (target.endsWith("/fetch_result.cgi")) {
            handleOutput(request, response);
        } else if (target.startsWith("/hdfs/")) {
            handleHDFSFetch(request, response);
        } else if (target.endsWith("/get_output_info.cgi")) {
            handleOutputInfo(request, response);
        } else {
            if (target.equals("/"))
                target = "/index.html";
            tryToLoadStaticResource(target, response);
        }
    } catch (Exception e) {
        e.printStackTrace();
        reportError(response, "Error placing the request", e);
    }
}

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From source file:org.openmrs.module.webservices.rest.web.v1_0.controller.BaseRestController.java

/**
 * @should return unauthorized if not logged in
 * @should return forbidden if logged in
 *//*from   ww  w.  j a v a2  s . co m*/
@ExceptionHandler(APIAuthenticationException.class)
@ResponseBody
public SimpleObject apiAuthenticationExceptionHandler(Exception ex, HttpServletRequest request,
        HttpServletResponse response) throws Exception {
    int errorCode;
    String errorDetail;
    if (Context.isAuthenticated()) {
        // user is logged in but doesn't have the relevant privilege -> 403 FORBIDDEN
        errorCode = HttpServletResponse.SC_FORBIDDEN;
        errorDetail = "User is logged in but doesn't have the relevant privilege";
    } else {
        // user is not logged in -> 401 UNAUTHORIZED
        errorCode = HttpServletResponse.SC_UNAUTHORIZED;
        errorDetail = "User is not logged in";
        if (shouldAddWWWAuthHeader(request)) {
            response.addHeader("WWW-Authenticate",
                    "Basic realm=\"OpenMRS at " + RestConstants.URI_PREFIX + "\"");
        }
    }
    response.setStatus(errorCode);
    return RestUtil.wrapErrorResponse(ex, errorDetail);
}

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From source file:org.energyos.espi.datacustodian.web.api.BatchRESTController.java

/**
 * Produce a Subscription for the requester. The resultant response will
 * contain a <feed> of the Usage Point(s) associated with the subscription.
 * /*from   w w  w .  j  a va  2 s.co m*/
 * Requires Authorization: Bearer [{data_custodian_access_token} |
 * {access_token}]
 * 
 * @param response
 *            HTTP Servlet Response
 * @param subscriptionId
 *            Long identifying the Subscription.id of the desired
 *            Authorization
 * @param usagePointId
 *            Long identifying the UsagePoint.id of the desired
 *            Authorization
 * @param params
 *            HTTP Query Parameters
 * @throws IOException
 * @throws FeedException
 * 
 * @usage GET /espi/1_1/resource/Batch/Subscription/{subscriptionId}
 */

@Transactional(readOnly = true)
@RequestMapping(value = Routes.BATCH_SUBSCRIPTION_USAGEPOINT_MEMBER, method = RequestMethod.GET, produces = "application/atom+xml")
@ResponseBody
public void subscriptionUsagePointMember(HttpServletResponse response, @PathVariable Long subscriptionId,
        @PathVariable Long usagePointId, @RequestParam Map<String, String> params)
        throws IOException, FeedException {

    response.setContentType(MediaType.APPLICATION_ATOM_XML_VALUE);
    response.addHeader("Content-Disposition", "attachment; filename=GreenButtonDownload.xml");
    try {
        exportService.exportBatchSubscriptionUsagePoint(subscriptionId, usagePointId,
                response.getOutputStream(), new ExportFilter(params));

    } catch (Exception e) {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
    }

}

---

From source file:org.energyos.espi.datacustodian.web.api.BatchRESTController.java

/**
 * Supports Green Button Download My Data A DMD file for a particular Usage
 * Point will be produced and returned to the Retail Customer
 * //ww w  . ja v  a  2s  .  c  o  m
 * Requires Authorization: Bearer [{data_custodian_access_token} |
 * {upload_access_token}]
 * 
 * @param response
 *            HTTP Servlet Response
 * @param retailCustomerId
 *            The locally unique identifier of a Retail Customer - NOTE PII
 * @param usagePointId
 *            The locally unique identifier of a UsagePoint.id
 * @param params
 *            params HTTP Query Parameters
 * @throws IOException
 * @throws FeedException
 * 
 * @usage GET
 *        /espi/1_1/resource/Batch/RetailCustomer/{retailCustomerId}/UsagePoint
 *        /{usagePointId}
 */
@RequestMapping(value = Routes.BATCH_DOWNLOAD_MY_DATA_MEMBER, method = RequestMethod.GET, produces = "application/atom+xml")
@ResponseBody
public void download_member(HttpServletResponse response, @PathVariable Long retailCustomerId,
        @PathVariable Long usagePointId, @RequestParam Map<String, String> params)
        throws IOException, FeedException {

    response.setContentType(MediaType.APPLICATION_ATOM_XML_VALUE);
    response.addHeader("Content-Disposition", "attachment; filename=GreenButtonDownload.xml");
    try {

        exportService.exportUsagePointFull(0L, retailCustomerId, usagePointId, response.getOutputStream(),
                new ExportFilter(params));

    } catch (Exception e) {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
    }

}

---

From source file:org.opendatakit.aggregate.servlet.GetGrantedRolesServlet.java

/**
 * Handler for HTTP Get request that returns the list of roles assigned to this user.
 * //from  ww w . ja v  a 2 s . c o  m
 * Assumed to return a entity body that is a JSON serialization of a list.
 *
 * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest,
 *      javax.servlet.http.HttpServletResponse)
 */
@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    CallingContext cc = ContextFactory.getCallingContext(this, req);

    Set<GrantedAuthority> grants = cc.getCurrentUser().getDirectAuthorities();
    RoleHierarchy rh = (RoleHierarchy) cc.getBean(SecurityBeanDefs.ROLE_HIERARCHY_MANAGER);
    Collection<? extends GrantedAuthority> roles = rh.getReachableGrantedAuthorities(grants);
    ArrayList<String> roleNames = new ArrayList<String>();
    for (GrantedAuthority a : roles) {
        if (a.getAuthority().startsWith(GrantedAuthorityName.ROLE_PREFIX)) {
            roleNames.add(a.getAuthority());
        }
    }

    resp.addHeader(ApiConstants.OPEN_DATA_KIT_VERSION_HEADER, ApiConstants.OPEN_DATA_KIT_VERSION);
    resp.addHeader("Access-Control-Allow-Origin", "*");
    resp.addHeader("Access-Control-Allow-Credentials", "true");
    resp.addHeader(HttpHeaders.HOST, cc.getServerURL());
    resp.setContentType(HtmlConsts.RESP_TYPE_JSON);
    resp.setCharacterEncoding(HtmlConsts.UTF8_ENCODE);

    PrintWriter out = resp.getWriter();
    out.write(mapper.writeValueAsString(roleNames));
    out.flush();

    resp.setStatus(HttpStatus.SC_OK);
}

---

From source file:com.google.cloud.examples.coinflow.frontend.CoinflowServlet.java

@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    LOG.info("In CoinflowServlet doGet");

    if (req.getRequestURI().equals("/favicon.ico"))
        return;//from  w w w  .  j ava 2  s . c o  m

    try (Table t = BigtableHelper.getConnection().getTable(TABLE)) {

        DateTime dateTime = new DateTime().minusHours(4);
        long before_ts = dateTime.getMillis();
        long now_ts = new DateTime().getMillis();

        String beforeRowKey = "match_" + before_ts;
        String afterRowKey = "match_" + now_ts;

        Scan scan = new Scan(beforeRowKey.getBytes(), afterRowKey.getBytes());
        ResultScanner rs = t.getScanner(scan);
        resp.addHeader("Access-Control-Allow-Origin", "*");
        resp.setContentType("text/plain");

        List<PriceTimestamp> prices = new ArrayList<>();
        for (Result r : rs) {
            String data = new String(r.getValue(Schema.CF.getBytes(), Schema.QUALIFIER.getBytes()));
            CoinbaseData coinData = objectMapper.readValue(data, CoinbaseData.class);
            PriceTimestamp priceTimestamp = new PriceTimestamp(Float.parseFloat(coinData.getPrice()),
                    DateHelpers.convertDateToTime(coinData.getTime()));
            prices.add(priceTimestamp);
        }
        String pricesStr = objectMapper.writeValueAsString(prices);
        resp.getWriter().println(pricesStr);
    }

}

---

From source file:eu.freme.broker.security.AuthenticationFilter.java

private void processUsernamePasswordAuthentication(HttpServletResponse httpResponse, Optional<String> username,
        Optional<String> password) throws IOException {
    Authentication resultOfAuthentication = tryToAuthenticateWithUsernameAndPassword(username, password);
    SecurityContextHolder.getContext().setAuthentication(resultOfAuthentication);
    httpResponse.setStatus(HttpServletResponse.SC_OK);
    Token token = (Token) resultOfAuthentication.getDetails();
    TokenResponse tokenResponse = new TokenResponse(token.getToken());
    String tokenJsonResponse = new ObjectMapper().writeValueAsString(tokenResponse);
    httpResponse.addHeader("Content-Type", "application/json");
    httpResponse.getWriter().print(tokenJsonResponse);
}

---

From source file:at.gv.egovernment.moa.id.auth.servlet.VerifyAuthenticationBlockServlet.java

/**
 * GET requested by security layer implementation to verify
 * that data URL resource is available.//w w w.  j  a  v  a  2 s .  co  m
 * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest, HttpServletResponse)
 */
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    //doPost(req, resp);

    Logger.debug("GET VerifyAuthenticationBlock");

    resp.setHeader(MOAIDAuthConstants.HEADER_EXPIRES, MOAIDAuthConstants.HEADER_VALUE_EXPIRES);
    resp.setHeader(MOAIDAuthConstants.HEADER_PRAGMA, MOAIDAuthConstants.HEADER_VALUE_PRAGMA);
    resp.setHeader(MOAIDAuthConstants.HEADER_CACHE_CONTROL, MOAIDAuthConstants.HEADER_VALUE_CACHE_CONTROL);
    resp.addHeader(MOAIDAuthConstants.HEADER_CACHE_CONTROL, MOAIDAuthConstants.HEADER_VALUE_CACHE_CONTROL_IE);

}

---

From source file:de.iteratec.iteraplan.presentation.responsegenerators.GraphicsResponseGenerator.java

private void prepareResponse(HttpServletResponse response, GraphicalReport reportType, Content content,
        long fileLength) {
    response.setContentType(getContentType());
    response.setHeader("Content-disposition", getContentDisposition(reportType, content));

    // ITERAPLAN-1732: add the length of the file to the header of the response to make IE happy
    response.addHeader("Content-Length", Long.toString(fileLength));
}

---

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