java类javax.servlet.http.HttpServletResponse的实例源码

protected void doGet( HttpServletRequest req, HttpServletResponse resp )
        throws ServletException, IOException {      
    Token token=new Token();

    // Is ralasafe security enabled?
    boolean secured=RalasafeController.isSecured();

    if( secured ) {
        User currentUser=WebRalasafe.getCurrentUser( req );
        token.setCanAssignRoleToUser( Ralasafe.hasPrivilege( Privilege.ASSIGN_ROLE_TO_USER_ID, currentUser ) );
        token.setCanAdminRole( Ralasafe.hasPrivilege( Privilege.ROLE_ADMIN_ID, currentUser ) );
        token.setCanAdminPolicy( Ralasafe.hasPrivilege( Privilege.POLICY_ADMIN_ID, currentUser ) );
    }

    req.setAttribute( "token", token );
    WebUtil.forward( req, resp, "/ralasafe/main.jsp" );
}

/**
 * The logon to start again
 *
 * @param context ServletContext
 * @param req HttpServletRequest
 * @param resp HttpServletResponse
 * @param ignoreFallback ignore fallback
 * @throws IOException
 */
private void logonStartAgain(ServletContext context, HttpServletRequest req, HttpServletResponse resp, boolean ignoreFallback) throws IOException
    {
    if (getLogger().isDebugEnabled())
        getLogger().debug("Issuing login challenge to browser.");
    // Force the logon to start again
    resp.setHeader("WWW-Authenticate", "Negotiate");

    if (!ignoreFallback && isFallbackEnabled())
    {
        includeFallbackAuth(context, req, resp);
    }

    resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
    writeLoginPageLink(context, req, resp);
    resp.flushBuffer();
}

/**
    * Clean return of Exception in JSon format & log Exception.
    * @param request 
    * @param response
    * @param out
    * @param exception
    */
   public static void logAndReturnException(HttpServletRequest request,
    HttpServletResponse response, PrintWriter out, Exception exception) {

try {
    JsonErrorReturn jsonErrorReturn = new JsonErrorReturn(response,
        HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
        JsonErrorReturn.ERROR_ACEQL_ERROR, exception.getMessage(),
        ExceptionUtils.getStackTrace(exception));

    out.println(jsonErrorReturn.build());
    LoggerUtil.log(request, exception);
} catch (Exception e) {
    // Should never happen
    e.printStackTrace();
}

   }

public int createPlaylistForPlayQueue() {
    HttpServletRequest request = WebContextFactory.get().getHttpServletRequest();
    HttpServletResponse response = WebContextFactory.get().getHttpServletResponse();
    Player player = playerService.getPlayer(request, response);
    Locale locale = localeResolver.resolveLocale(request);
    DateFormat dateFormat = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT, locale);

    Date now = new Date();
    Playlist playlist = new Playlist();
    playlist.setUsername(securityService.getCurrentUsername(request));
    playlist.setCreated(now);
    playlist.setChanged(now);
    playlist.setShared(false);
    playlist.setName(dateFormat.format(now));

    playlistService.createPlaylist(playlist);
    playlistService.setFilesInPlaylist(playlist.getId(), player.getPlayQueue().getFiles());

    return playlist.getId();
}

public ActionForward loadHeadingForm(ActionMapping mapping, ActionForm form, HttpServletRequest request,
    HttpServletResponse response) {

String sessionMapID = WebUtil.readStrParam(request, "sessionMapID");
Integer headingIndex = WebUtil.readIntParam(request, "headingIndex", true);

AuthoringForm authForm = ((AuthoringForm) form);

if (headingIndex == null) {
    headingIndex = -1;
}

authForm.setHeadingIndex(headingIndex);
authForm.setSessionMapID(sessionMapID);

return mapping.findForward("heading_form");
   }

public RewriteIvcResponseWrapper(HttpServletResponse response, String tag) {
    super(response);
    this.tag = tag;
    this.response = response;
    try {
        this.outputStream = response.getOutputStream();
        // 由于tomcat等实现类会记录是否调用了getOutputStream方法，故此处进行这种操作
        response.reset();
    }
    catch (IOException e) {
        // 出现异常时则将异常信息放入
        builder.append(e.toString());
    }
    this.rewriteOutStream = new RewriteIvcOutputStream(outputStream, response.getCharacterEncoding());
}

/**
 * 修改密码
 *
 * @param user
 * @param response
 * @return
 * @throws Exception
 */
@RequestMapping("/modifyPassword")
public String modifyPassword(User user, HttpServletResponse response) throws Exception {
    String MD5pwd = MD5Util.MD5Encode(user.getPassword(), "UTF-8");
    user.setPassword(MD5pwd);
    int resultTotal = userService.updateUser(user);
    JSONObject result = new JSONObject();
    if (resultTotal > 0) {
        result.put("success", true);
    } else {
        result.put("success", false);
    }
    log.info("request: user/modifyPassword , user: " + user.toString());
    ResponseUtil.write(response, result);
    return null;
}

@GetMapping("/delete/{id}")
public String getDelete(HttpServletRequest request, HttpServletResponse response, @PathVariable long id,
                        Model model) throws IOException {
    HttpSession session = request.getSession(true);
    Entry entry = getEntryDao().getEntry(id);

    if(entry == null) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
        return null;
    }

    if(canEdit(session, entry)) {
        model.addAttribute("entry", entry);
        return "delete";
    }

    response.sendError(HttpServletResponse.SC_FORBIDDEN);
    return null;
}

@Override
@RequestMapping(value = ApiConfig.ACTION_RESULTS_BASE + "/{actionResultId}", method = RequestMethod.GET,
        headers = ApiConfig.API_HEADERS, produces = {ApiConfig.API_PRODUCES})
@ResponseBody
public ActionResult getActionResult(@PathVariable final String actionResultId,
        @CookieValue(value = SessionManager.SESSION_COOKIE, required = false) final String sessionId,
        final HttpServletResponse response) throws InvalidActionSpecificationException, NoSuchProviderException,
        NoSuchSessionException, NoSuchItemTypeException {
    if (rateLimiter.tryAcquire()) {
        if (actionResultId == null) {
            throw new BadRequestException("actionResultId cannot be null");
        }
        UUID uuid = UUID.fromString(actionResultId);
        Session session = modelValidator.validateSession(sessionId, response);
        if (LOG.isDebugEnabled()) {
            LOG.debug("Lookup action result " + actionResultId + " for session " + sessionId);
        }
        synchronized (session) {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Assigned session " + session.getId());
            }
            ActionResult actionResult = actionManager.getActionResult(session, uuid);
            return actionResult;
        }
    } else {
        throw new ApiThrottlingException("Exceeded max number of requests per second");
    }
}

@Test
public void testCheckPreFlightRequestTypeOriginNotAllowed()
        throws ServletException, IOException {
    TesterHttpServletRequest request = new TesterHttpServletRequest();
    TesterHttpServletResponse response = new TesterHttpServletResponse();
    request.setHeader(CorsFilter.REQUEST_HEADER_ORIGIN,
            "www.ebay.com");
    request.setHeader(
            CorsFilter.REQUEST_HEADER_ACCESS_CONTROL_REQUEST_METHOD,
            "PUT");
    request.setMethod("OPTIONS");
    CorsFilter corsFilter = new CorsFilter();
    corsFilter.init(TesterFilterConfigs
            .getSecureFilterConfig());
    corsFilter.doFilter(request, response, filterChain);
    Assert.assertEquals(HttpServletResponse.SC_FORBIDDEN,
            response.getStatus());
}

/**
 * Get header parameter values
 *
 * @throws Exception
 */
@Test
public void getMixQuotedParameters() throws Exception {
  handler = new RequestHandler() {

    @Override
    public void handle(Request request, HttpServletResponse response) {
      response.setStatus(HTTP_OK);
      response.setHeader("a", "value; b=c; d=\"e\"");
    }
  };
  HttpRequest request = get(url);
  assertTrue(request.ok());
  Map<String, String> params = request.parameters("a");
  assertNotNull(params);
  assertEquals(2, params.size());
  assertEquals("c", params.get("b"));
  assertEquals("e", params.get("d"));
}

/**
 * Resolve exception.
 *
 * @param request the request
 * @param response the response
 * @param ex the exception
 * @return the model and view
 * @throws IOException the iO exception
 */
@ExceptionHandler
public ModelAndView resolveException(final HttpServletRequest request, final HttpServletResponse response,
                                     final Exception ex) throws IOException {

    logger.error(ex.getMessage(), ex);
    final String contentType = request.getHeader(AJAX_REQUEST_HEADER_NAME);
    if (contentType != null && contentType.equals(AJAX_REQUEST_HEADER_VALUE)) {
        logger.debug("Handling exception {} for ajax request indicated by header {}",
                ex.getClass().getName(), AJAX_REQUEST_HEADER_NAME);
        JsonViewUtils.renderException(ex, response);
        return null;
    } else {
        logger.trace("Unable to resolve exception {} for request. Ajax request header {} not found.",
                ex.getClass().getName(), AJAX_REQUEST_HEADER_NAME);
        response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        final ModelAndView mv = new ModelAndView("errors");
        mv.addObject(ex);
        return mv;
    }
}

private void runFsScript ( int numGb, String targetFs, HttpServletResponse response )
        throws IOException {

    String psResult;
    response.getWriter()
        .println(
            "==  targetFs: " + targetFs + " Size of test file (Gb) :" + numGb );
    response.getWriter()
        .flush();
    List<String> parmList = Arrays.asList( "bash", "-c", "checkFsThroughput.sh " + numGb + " "
            + targetFs );
    psResult = osCommandRunner
        .executeString( parmList, new File( "." ), null, null, 600, 10, null );

    auditRecord( "checkFsThroughput", psResult );

    logger.debug( "psResult: {} ", psResult );
    response.getWriter()
        .println( psResult );

    response.getWriter()
        .flush();
}

@Override
protected ModelAndView handleRequestInternal(HttpServletRequest request,
        HttpServletResponse response) throws Exception {

    // create our model object
    Map<String,Object> model = new HashMap<String,Object>();

    // NOTE: we cannot get the current location from here -AZ
    //String locationId = external.getCurrentLocationId();
    String userId = external.getCurrentUserId();
    model.put("currentUserId", userId);
    model.put("isSuperUser", external.isUserAdmin(userId));

    /* Cannot show the special uploader here because we cannot get the current location
    String widgetPlayerUploadSpecialId = "";
    String widgetPlayerUploadSpecialKS = "";
    if (service.isKalturaUploadSpecial(userId, locationId)) {
        widgetPlayerUploadSpecialId = service.getKalturaWidgetId(Widget.UPLOADER_SPECIAL);
        widgetPlayerUploadSpecialKS = service.getKalturaClient(MediaService.KS_PERM_LIST).getSessionId();
    }
    model.put("uploadSpecialId", widgetPlayerUploadSpecialId);
    model.put("uploadSpecialKS", widgetPlayerUploadSpecialKS);
     */

    return new ModelAndView("fckEditorSelector", model);
}

private void ping(HttpServletResponse resp) throws IOException {
    if (allowColdRun || metricSearch.isMetricTreeLoaded()) {
        resp.setStatus(HttpServletResponse.SC_OK);
        resp.getWriter().print("0;OK");
        return;
    }

    resp.setStatus(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
    resp.getWriter().println("2;Metric tree not loaded ");
}

/**
 * Verify GET with escaped query parameters
 *
 * @throws Exception
 */
@Test
public void getWithEscapedMappedQueryParams() throws Exception {
  Map<String, String> inputParams = new HashMap<String, String>();
  inputParams.put("name", "us er");
  inputParams.put("number", "100");
  final Map<String, String> outputParams = new HashMap<String, String>();
  final AtomicReference<String> method = new AtomicReference<String>();
  handler = new RequestHandler() {

    @Override
    public void handle(Request request, HttpServletResponse response) {
      method.set(request.getMethod());
      outputParams.put("name", request.getParameter("name"));
      outputParams.put("number", request.getParameter("number"));
      response.setStatus(HTTP_OK);
    }
  };
  HttpRequest request = get(url, inputParams, true);
  assertTrue(request.ok());
  assertEquals("GET", method.get());
  assertEquals("us er", outputParams.get("name"));
  assertEquals("100", outputParams.get("number"));
}

/**
 * 向客户端下载文件,弹出下载框.
 *
 * @param response(HttpServletResponse)
 * @param file(需要下载的文件)
 * @param isDel(下载完成后是否删除该文件)
 * @throws IOException
 */
public static void exportFile(HttpServletResponse response, File file, boolean isDel) throws IOException {
    OutputStream out = null;
    InputStream in = null;

    // 获得文件名
    String filename = URLEncoder.encode(file.getName(), "UTF-8");
    response.reset();
    // 定义输出类型(下载)
    response.setContentType("application/x-msdownload");
    response.setHeader("Location", filename);
    // 定义输出文件头
    response.setHeader("Content-Disposition", "attachment;filename=" + filename);
    out = response.getOutputStream();
    in = new FileInputStream(file.getPath());

    byte[] buffer = new byte[1024];
    int i = -1;
    while ((i = in.read(buffer)) != -1) {
        out.write(buffer, 0, i);
    }

    in.close();
    out.close();

    if (isDel) {
        //删除文件,删除前关闭所有的Stream.
        file.delete();
    }

}

/**
 * 添加或修改管理员
 *
 * @param response
 * @return
 * @throws Exception
 */
@RequestMapping("/save")
public String save(User user, HttpServletResponse response) throws Exception {
    int resultTotal = 0;
    String MD5pwd = MD5Util.MD5Encode(user.getPassword(), "UTF-8");
    user.setPassword(MD5pwd);
    if (user.getId() == null) {
        resultTotal = userService.addUser(user);
    } else {
        resultTotal = userService.updateUser(user);
    }
    JSONObject result = new JSONObject();
    if (resultTotal > 0) {
        result.put("success", true);
    } else {
        result.put("success", false);
    }
    log.info("request: user/save , user: " + user.toString());
    ResponseUtil.write(response, result);
    return null;
}

/**
 * @note 获取指定用户的基本信息
 * @param userAccount 用户帐号
 * @return IUser
 */
@RequestMapping("/getUser")
public void getUser(HttpServletRequest request, HttpServletResponse response)
{
    MyRequest req = new MyRequest(request);
    String systemAlias = req.getString("name");
    String pwd = req.getString("pwd");
    String userAccount = req.getString("userAccount");
    try
    {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("text/plain;charset=UTF-8");
        PrintWriter out = response.getWriter();
        if(isSystemCheck(systemAlias, pwd))
        {
            IUser m = service.getUserByAccount(userAccount);
            out.print(toJson(m));
        }
        out.print("");
    }
    catch(Exception ex)
    {
        ex.printStackTrace();
    }
}

/**
 * 根据HttpServletRequest获取指定格式的headers
 * 
 * @param request
 * @return
 */
private String getResponHeaders(HttpServletResponse response) {

    Map<String, String> result = new HashMap<String, String>();
    for (String key : response.getHeaderNames()) {
        result.put(key, response.getHeader(key));
    }
    return JSONHelper.toString(result);
}

@Override
public void doFilter(ServletRequest request, ServletResponse response,
        FilterChain chain) throws IOException, ServletException {
    HttpServletRequest httpRequest = (HttpServletRequest) request;
    HttpServletResponse httpResponse = (HttpServletResponse) response;

    if (hasToBeFiltered(httpRequest)) {

        RequestWithCleanParameters cleanRequest = new RequestWithCleanParameters(
                httpRequest, ignorePatterns);

        cleanRequest.escapeAll(replaceMap);

        chain.doFilter(cleanRequest, httpResponse);

    } else {
        chain.doFilter(httpRequest, httpResponse);
    }

}

@Override
protected void doResponse(HttpServletRequest request, HttpServletResponse response, InterceptContext ic) {

    Map<String, Object> params = new HashMap<String, Object>();

    params.put(CaptureConstants.INFO_APPSERVER_CONNECTOR_REQUEST_URL, request.getRequestURL().toString());
    params.put(CaptureConstants.INFO_APPSERVER_CONNECTOR_CONTEXT, getReqContextPath(request));
    params.put(CaptureConstants.INFO_APPSERVER_CONNECTOR_CONTEXT_REALPATH, getReqRealPath(request));
    params.put(CaptureConstants.INFO_APPSERVER_CONNECTOR_RESPONSECODE, getRespRetStatus(response));

    Object args[] = { request, response };

    // invoke chain
    UAVServer.instance().runSupporter("com.creditease.uav.apm.supporters.InvokeChainSupporter", "runCap",
            InvokeChainConstants.CHAIN_APP_SERVICE, InvokeChainConstants.CapturePhase.DOCAP, params,
            ServerSpanAdapter.class, args);

}

/**
 * Invoke the next Valve in the sequence. When the invoke returns, check
 * the response state, and output an error report is necessary.
 *
 * @param request The servlet request to be processed
 * @param response The servlet response to be created
 *
 * @exception IOException if an input/output error occurs
 * @exception ServletException if a servlet error occurs
 */
public void invoke(Request request, Response response)
    throws IOException, ServletException {

    // Perform the request
    getNext().invoke(request, response);

    Throwable throwable =
        (Throwable) request.getAttribute(Globals.EXCEPTION_ATTR);

    if (response.isCommitted()) {
        return;
    }

    if (throwable != null) {

        // The response is an error
        response.setError();

        // Reset the response (if possible)
        try {
            response.reset();
        } catch (IllegalStateException e) {
            ;
        }

        response.sendError
            (HttpServletResponse.SC_INTERNAL_SERVER_ERROR);

    }

    response.setSuspended(false);

    try {
        report(request, response, throwable);
    } catch (Throwable tt) {
        ;
    }

}

protected void doGet(HttpServletRequest request,
        HttpServletResponse response) throws ServletException, IOException {
    PrintWriter out = response.getWriter();
    out.println("<html>");
    out.println("<head><meta http-equiv=Content-Type content=text/html; charset=ISO-8859-1>");
    out.println("<title>Your Cards</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h3>Your Cards List</h3>");
    out.println("<h3>Card A(Balance -234.00)</h3>");
    out.println("<h3>Card B(Balance 0.00)</h3>");
    out.println("<br>");
    out.println("<a href=\"/ServletSample/UserAccounts\"> My Account</a>");
    out.println("<br><a href=\"/ServletSample/BankHomePage\">Click here to go back to homepage</a>");
    out.println("</body></html>");
}

@Override
public ModelAndView resolveException(final HttpServletRequest request,
    final HttpServletResponse response, final Object handler,
    final Exception exception) {

    /*
     * Since FlowExecutionRepositoryException is a common ancestor to these exceptions and other
     * error cases we would likely want to hide from the user, it seems reasonable to check for
     * FlowExecutionRepositoryException.
     *
     * BadlyFormattedFlowExecutionKeyException is specifically ignored by this handler
     * because redirecting to the requested URI with this exception may cause an infinite
     * redirect loop (i.e. when invalid "execution" parameter exists as part of the query string
     */
    if (!(exception instanceof FlowExecutionRepositoryException)
          || exception instanceof BadlyFormattedFlowExecutionKeyException) {
        LOGGER.debug("Ignoring the received exception due to a type mismatch", exception);
        return null;
    }

    final String urlToRedirectTo = request.getRequestURI()
            + (request.getQueryString() != null ? '?'
            + request.getQueryString() : StringUtils.EMPTY);

    LOGGER.debug("Error getting flow information for URL [{}]", urlToRedirectTo, exception);
    final Map<String, Object> model = new HashMap<>();
    model.put(this.modelKey, StringEscapeUtils.escapeHtml4(exception.getMessage()));

    return new ModelAndView(new RedirectView(urlToRedirectTo), model);
}

private void saveColumn(HttpServletRequest request, HttpServletResponse response) throws Exception {

    Column column = new Column();
    String id = request.getParameter("id");
    if (StringUtils.isNotEmpty(id)) {
        column.setId(Integer.parseInt(id));
    }
    String modelId = request.getParameter("modelId");
    column.setModelId(Integer.parseInt(modelId));

    String name = request.getParameter("name");
    column.setName(name);
    String type = request.getParameter("type");
    column.setType(type);
    String mappingData = request.getParameter("mappingData");
    column.setMappingData(mappingData);

    String sql = request.getParameter("sql");
    column.setSql(sql);

    String seq = request.getParameter("seq");
    if (StringUtils.isNumeric(seq)) {
        column.setSeq(Integer.parseInt(seq));
    }
    String width = request.getParameter("width");
    if (StringUtils.isNumeric(width)) {
        column.setWidth(Integer.parseInt(width));
    }
    String allowBlank = request.getParameter("allowBlank");
    column.setAllowBlank(allowBlank);
    String listShow = request.getParameter("listShow");
    column.setListShow(listShow);
    String remark = request.getParameter("remark");
    column.setRemark(remark);

    columnService.save(column);
    this.write(new Ajax(true, "保存成功"), response);
}

public void handle(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    String uri = request.getRequestURI();
    HttpInvokerServiceExporter skeleton = skeletonMap.get(uri);
    if (! request.getMethod().equalsIgnoreCase("POST")) {
        response.setStatus(500);
    } else {
        RpcContext.getContext().setRemoteAddress(request.getRemoteAddr(), request.getRemotePort());
        try {
            skeleton.handleRequest(request, response);
        } catch (Throwable e) {
            throw new ServletException(e);
        }
    }
}

@GET
@Path("/pseudo-wire")
@Produces(MediaType.APPLICATION_JSON)
public String 時間を指定してPWを取得(
        @Context HttpHeaders header,
        @Context HttpServletResponse response,
        @QueryParam("time") String time,
        @QueryParam("version") String version
) throws RemoteException {
    response.setHeader("Access-Control-Allow-Origin", "*");
    List<PasaranPOJO> pojos = PseudoWirePOJOUtil.getPseudoWire(time, version);
    return json.format(pojos);
}

@RequestMapping(value = ACTION_UPDATE, method = RequestMethod.GET)
public String edit(HttpServletRequest request, HttpServletResponse response) {
    Iterator<?> it = request.getParameterMap().entrySet().iterator();
    User entity = new User();
    while (it.hasNext()) {
        Map.Entry<?, ?> ent = (Entry<?, ?>) it.next();
        entity.setValue((String) ent.getKey(),
                ((String[]) ent.getValue())[0]);
    }
    entity = (User) service.iUserService.select(entity);
    request.setAttribute(ID, entity.getId());
    request.setAttribute(ENTITY, entity);
    return VIEW_SYSTEM + VIEW_USER + PAGE_UPDATE;
}

@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object object) throws Exception {
    HttpSession session = request.getSession(true);  
       // 从session 里面获取用户名的信息  
       Object obj = session.getAttribute(Constants.SessionKey.ADMIN_USER.toString());  
       // 判断如果没有取到用户信息，就跳转到登陆页面，提示用户进行登陆  
       if (obj == null || "".equals(obj.toString())) {  
        response.sendRedirect(request.getContextPath()+"/admin/"+LOGIN_URL);  
        return false;
       }  
       return true;  
}