Java Code Examples for javax.servlet.http.HttpServletRequest#getServletContext()

/** Delegate and accept assignment event */
public static String delegateAndAcceptAssignment(HttpServletRequest request, HttpServletResponse response) {
    ServletContext ctx = request.getServletContext(); // SCIPIO: get context using servlet API 3.0
    RequestHandler rh = (RequestHandler) ctx.getAttribute("_REQUEST_HANDLER_");
    Locale locale = UtilHttp.getLocale(request);

    if (addToOrderRole(request)) {
        try {
            EventHandler eh = rh.getEventFactory().getEventHandler("service");
            eh.invoke(new Event("service", "", "wfAcceptRoleAssignment", true), null, request, response);
        } catch (EventHandlerException e) {
            Debug.logError(e, "Invocation error", module);
            request.setAttribute("_ERROR_MESSAGE_", UtilProperties.getMessage(resource_error,"OrderFailedToInvokeTheWfDelegateAndAcceptAssignmentService", locale));
            return "error";
        }
        return "success";
    }
    return "error";
}
 

/**
 * Create a map from a ServletContext object
 * @return The resulting Map
 */
public static Map<String, Object> getServletContextMap(HttpServletRequest request, Set<? extends String> namesToSkip) {
    Map<String, Object> servletCtxMap = new HashMap<>();

    // look at all servlet context attributes
    ServletContext servletContext = request.getServletContext(); // SCIPIO: get context using servlet API 3.0
    Enumeration<String> applicationAttrNames = UtilGenerics.cast(servletContext.getAttributeNames());
    while (applicationAttrNames.hasMoreElements()) {
        String attrName = applicationAttrNames.nextElement();
        if (namesToSkip != null && namesToSkip.contains(attrName)) {
            continue;
        }

        Object attrValue = servletContext.getAttribute(attrName);
        servletCtxMap.put(attrName, attrValue);
    }

    if (Debug.verboseOn()) {
        Debug.logVerbose("Made ServletContext Attribute Map with [" + servletCtxMap.size() + "] Entries", module);
        Debug.logVerbose("ServletContext Attribute Map Entries: " + System.getProperty("line.separator") + UtilMisc.printMap(servletCtxMap), module);
    }

    return servletCtxMap;
}
 

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
        throws ServletException, IOException {
    resp.setContentType("text/plain");
    PrintWriter pw = resp.getWriter();
    ServletContext sc = req.getServletContext();
    pw.println("01-" + sc.getContext("/bar").getInitParameter("id"));
    pw.println("02-" + sc.getContext("/foo").getInitParameter("id"));
    pw.println("03-" + sc.getContext("/foo##1").getInitParameter("id"));
    pw.println("04-" + sc.getContext("/foo##2").getInitParameter("id"));
    pw.println("05-" + sc.getContext("/foo##3").getInitParameter("id"));
    pw.println("06-" + sc.getContext("/unknown").getInitParameter("id"));
    pw.println("07-" + sc.getContext("/").getInitParameter("id"));
    pw.println("08-" + sc.getContext("/foo/bar").getInitParameter("id"));
    pw.println("09-" + sc.getContext("/football").getInitParameter("id"));
}
 

protected ServerContainer getContainer(HttpServletRequest request) {
	ServletContext servletContext = request.getServletContext();
	String attrName = "javax.websocket.server.ServerContainer";
	ServerContainer container = (ServerContainer) servletContext.getAttribute(attrName);
	Assert.notNull(container, "No 'javax.websocket.server.ServerContainer' ServletContext attribute. " +
			"Are you running in a Servlet container that supports JSR-356?");
	return container;
}
 

@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    MockHttpSession session = new MockHttpSession(request.getServletContext(), "123456789");
    ((MockHttpServletRequest) request).setSession(session);
    request.getSession(true);
    super.service(request, response);
}
 

/**
 * ��ȡ��֤��
 * ��codeStr����֤���ַ���
 * @param req
 * @return ��֤�����ڵ�·��
 */
@RequestMapping(value="ajax/getLoginCodeAjax.do")
@ResponseBody
public String getLoginCode(HttpServletRequest req){
	HttpSession session = req.getSession();
	String codeStr = "";//��֤���
	String codeCon = "";//��֤������
	String path = "img/loginCode";//��֤��·��
	
	ServletContext application = req.getServletContext();
	String realPath = application.getRealPath("img/loginCode");
	String fileName = new Date().getTime()+".jpg";
	File file = new File(realPath+File.separator+fileName);//File.separator
	int num1 = (int)(Math.random()*10);
	int num2 = (int)(Math.random()*10);
	int fu = (int)(new Date().getTime()%2);
	if(fu==1){
		codeStr = (num1+num2)+"";
		codeCon = num1+"+"+num2;
	}else{
		codeStr = (num1-num2)+"";
		codeCon = num1+"-"+num2;
	}
	codeCon += "=?";
	try {
		CodeOfLogin.outputImage(600,200,file,codeCon);
	} catch (IOException e) {
		e.printStackTrace();
		return "error,jpg";
	}
	String name = fileName;//��֤���ļ���
	session.setAttribute("codeStr", codeStr);
	return path+"/"+name;
}
 

public IAlbianRestfulActionContext AlbianRestfulActionContext_Safe(HttpServletRequest req,
                                                                   HttpServletResponse resp) {
    Map<String, String> param_pairs = splitQuery(req.getQueryString());
    IAlbianLogicIdService lids = AlbianServiceRouter.getLogIdService();
    return new AlbianRestfulActionContext(req, resp,
            req.getServletContext(), param_pairs.get("service"),
            param_pairs.get("action"), lids.makeStringUNID("session"),//req.getSession(true).getId(),内存持续增长
            param_pairs.get("sp"), param_pairs, null);
}
 

/**
 * SCIPIO: Public redirect helper method that honors the status codes configured in the current controller
 * or requestHandler.properties, preserving the incoming query string.
 * <p>
 * FIXME: If uri provides any parameters, they may be crushed or duplicated by the incoming ones.
 */
public static void sendControllerUriRedirectWithQueryString(HttpServletRequest request, HttpServletResponse response, String uri, Boolean allowCacheRedirect) throws IllegalStateException {
    ServletContext ctx = request.getServletContext(); // SCIPIO: get context using servlet API 3.0
    RequestHandler rh = (RequestHandler) ctx.getAttribute("_REQUEST_HANDLER_");
    String url = rh.makeLinkFull(request, response, uri + rh.makeQueryString(request, null, null));
    if (url != null) {
        sendRedirect(request, response, url, allowCacheRedirect);
    } else {
        throw new IllegalStateException("Cannot redirect to controller uri because failed to generate link: " + uri);
    }
}
 

public static boolean hasBasePermission(GenericValue userLogin, HttpServletRequest request) {
    Security security = (Security) request.getAttribute("security");
    if (security != null) {
        ServletContext context = request.getServletContext(); // SCIPIO: get context using servlet API 3.0
        String serverId = (String) context.getAttribute("_serverId");
        // SCIPIO: delegated to new overload
        return hasBasePermission(userLogin, request, security, serverId);
    } else {
        Debug.logWarning("Received a null Security object from HttpServletRequest", module);
    }
    return true;
}
 

private void closeEditWrap(Writer out, HttpServletRequest request, HttpServletResponse response, String thisContentId, String editRequestName) throws IOException {
    String fullRequest = editRequestName;
    String delim = "?";
    if (UtilValidate.isNotEmpty(thisContentId)) {
        fullRequest += delim + "contentId=" + thisContentId;
        delim = "&";
    }
    out.write("<a href=\"");
    ServletContext servletContext = request.getServletContext(); // SCIPIO: NOTE: no longer need getSession() for getServletContext(), since servlet API 3.0
    RequestHandler rh = (RequestHandler) servletContext.getAttribute("_REQUEST_HANDLER_");
    out.append(rh.makeLink(request, response, "/" + fullRequest, false, null, true)); // SCIPIO: 2018-07-09: changed secure to null
    out.write("\">Edit</a>");
    out.write("</div>");
}
 

private void startLazily(HttpServletRequest request) {
	if (this.servletContext != null) {
		return;
	}
	synchronized (this.lifecycleMonitor) {
		if (this.servletContext == null) {
			this.servletContext = request.getServletContext();
			start();
		}
	}
}
 

@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    MockHttpSession session = new MockHttpSession(request.getServletContext(), "123456789");
    ((MockHttpServletRequest) request).setSession(session);
    request.getSession(true);
    super.service(request, response);
}
 

@Provides
@RequestScoped
public ServletContext provideServletContext()
{
    HttpServletRequest request = filter.getServletRequest();
    return (request != null) ? request.getServletContext() : null;
}
 

@RequestMapping("/httpdoc")
public void render(
        @RequestParam(value = "charset", required = false) String charset,
        @RequestParam(value = "contentType", required = false) String contentType,
        HttpServletRequest req,
        HttpServletResponse res
) throws IOException, DocumentTranslationException {
    String uri = req.getRequestURI();
    int index = uri.indexOf('.');
    String suffix = index < 0 ? null : uri.substring(index + 1);
    Serializer serializer = suffix != null ? serializers.get(suffix) : serializers.values().iterator().next();
    if (serializer == null) {
        res.sendError(404);
        return;
    }

    Container container = new SpringMVCHttpdocContainer(req.getServletContext());
    Translation translation = new Translation(container, supplier, interpreter);

    translation.setHttpdoc(httpdoc != null ? httpdoc : Module.getInstance().getVersion());
    translation.setProtocol(protocol != null ? protocol : req.getProtocol().split("/")[0].toLowerCase());
    translation.setHostname(hostname != null ? hostname : req.getServerName());
    translation.setPort(port != null ? port : req.getServerPort());
    translation.setContext(context != null ? context : req.getContextPath());
    translation.setVersion(version);

    Document document = translator.translate(translation);

    charset = charset != null && charset.trim().length() > 0 ? charset : "UTF-8";
    contentType = contentType != null && charset.trim().length() > 0 ? contentType : serializer.getType();
    res.setCharacterEncoding(charset);
    res.setContentType(contentType + "; charset=" + charset);
    Map<String, Object> doc = converter.convert(document, format);
    serializer.serialize(doc, res.getOutputStream());
}
 

/**
 * 加载资源-权限关系
 */
private void loadResource(HttpServletRequest request) {
    try {
        List<ResourceEntity> resourceEntityList = resourceEntityMapper.selectByExample(new ResourceEntityExample());
        if (resourceEntityList == null || resourceEntityList.size() == 0) {
            log.warn("DB中没有查到资源权限列表，请先配置resource_entity！");
        } else {
            resourceMap.clear();
            Collection<ConfigAttribute> array;
            ConfigAttribute cfg;
            ServletContext sc = request.getServletContext();
            ApplicationContext ac = WebApplicationContextUtils.getRequiredWebApplicationContext(sc);

            HandlerMappingIntrospector introspector = ac.getBean(HANDLER_MAPPING_INTROSPECTOR_BEAN_NAME, HandlerMappingIntrospector.class);

            for (ResourceEntity resourceEntity : resourceEntityList) {
                array = new ArrayList<>();
                cfg = new ExpressionConfigAttribute(expressionHandler.getExpressionParser().parseExpression(resourceEntity.getPermission()));
                array.add(cfg);
                resourceMap.put(new MvcRequestMatcher(introspector, resourceEntity.getUrl()), array);
            }
        }
    } catch (Exception e) {
        if (log.isErrorEnabled()) {
            log.error("加载权限列表异常", e);
        }
    }

}
 

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
        throws ServletException, IOException {
    ServletContext sc;
    if (targetContextPath == null) {
        sc = req.getServletContext();
    } else {
        sc = req.getServletContext().getContext(targetContextPath);
    }
    sc.setAttribute(ATTRIBUTE_NAME, ATTRIBUTE_VALUE);
    sc.getRequestDispatcher(targetPath).forward(req, resp);
}
 

protected HttpServletRequest requestWrapper0(final HttpServletRequest request, HttpResponse response) {
    final Session session = decodeSession(response);
    bindAttributes(request);
    return new AuthenticationServletRequest(request, request.getServletContext(), session, httpClient(), serviceInvokeRetry, sessionURL(request));
}
 

/**
 * ���ļ��ֿ�ɾ���ļ�
 * @param fileId
 * @param req
 * @return
 */
@RequestMapping("file/delFile.do")
public ModelAndView delFile(String fileId, HttpServletRequest req){
	String url = req.getHeader("REFERER");
	if(url!=null){
		if(url.indexOf("/file/")==-1){
			url = "/home.do";
		}else{
			url = url.substring(url.indexOf("/file/"));
		}
	}else{
		url = "/home.do";
	}
	
	if(fileId==null || fileId.length()==0){
		return JumpPrompt.jumpOfModelAndView(url, "ɾ��ʧ�ܡ���ȱ�ٲ�����");
	}
	String jobId = (String)req.getSession().getAttribute("userJobId");
	int userKind = userServer.getUserKindByJobId(jobId);
	int userPart = userServer.getUserPartByJobId(jobId);
	int userGroup= userServer.getUserGroupByJobId(jobId);
	
	FileDepot fd = fileDepotService.getOneFileInfoById(Integer.parseInt(fileId));
	if(fd==null){
		return JumpPrompt.jumpOfModelAndView(url, "ɾ��ʧ�ܡ���δ�ҵ���Ӧ�ļ���");
	}
	String createUserId = fd.getCreatePerson();
	
	//�ж��Ƿ����ɾ��
	boolean canDel = false;
	if(fd.getSource()==FileDepot.SOURCE_COMPANY && userKind==UserInfo.KIND_MANAGER_WEB){
		//��˾�ļ�
		canDel = true;
	}else if(fd.getSource()==FileDepot.SOURCE_PART){
		//�����ļ�
		if(userKind==UserInfo.KIND_MANAGER_WEB){
			canDel = true;
		}else if(userKind==UserInfo.KIND_MANAGER_PART && fd.getPart()==userPart){
			canDel = true;
		}
	}else if(createUserId.equals(jobId)){
		canDel = true;
	}else{
		//��
		if(userKind==0){
			canDel = true;
		}else if(userKind==UserInfo.KIND_MANAGER_PART && fd.getPart()==userPart){
			canDel = true;
		}else if(userKind==UserInfo.KIND_MANAGER_GROUP && fd.getPart()==userPart && fd.getGroup()==userGroup){
			canDel = true;
		}
	}
	if(!canDel){
		return JumpPrompt.jumpOfModelAndView(url, "ɾ��ʧ�ܡ�����Ȩ�ޣ�");
	}
	
	ServletContext application = req.getServletContext();
	String realPath = application.getRealPath("upload/file/fileDepot");
	String fileName = realPath+File.separator+fd.getRealFileName();
	File file = new File(fileName);
	if(file.exists()){
		//ɾ�����ݿ�
		boolean tempB = false;
		try {
			tempB = fileDepotService.delFileById(Integer.parseInt(fileId));
		} catch (Exception e) {}
		if(!tempB){
			return JumpPrompt.jumpOfModelAndView(url, "ɾ��ʧ�ܡ������ݿ�ɾ��ʧ�ܣ�");
		}
		if(file.delete()){
			return JumpPrompt.jumpOfModelAndView(url, "ɾ���ļ���"+fd.getShowFileName()+"���ɹ���");
		}else{
			return JumpPrompt.jumpOfModelAndView(url, "ɾ���ļ���"+fd.getShowFileName()+"���ɹ�������������ɾ���ļ�ʧ�ܣ�");
		}
	}else{
		return JumpPrompt.jumpOfModelAndView(url, "ɾ��ʧ�ܡ����������Ҳ������ļ���");
	}
}
 

@Override
protected void before(HttpServletRequest request, HttpServletResponse response) {
    MockHttpSession session = new MockHttpSession(request.getServletContext(), "123456789");
    ((MockHttpServletRequest) request).setSession(session);
}
 

/**
 * Get {@link ServletContext} from {@link HttpServletRequest}
 *
 * @param request {@link HttpServletRequest}
 * @return non-null
 */
public static ServletContext getServletContext(HttpServletRequest request) {

    if (isRunningBelowServlet3Container()) { // below Servlet 3.x

        return request.getSession().getServletContext();

    }

    return request.getServletContext();
}