Java tutorial
/* * Copyright [2015] [wisemapping] * * Licensed under WiseMapping Public License, Version 1.0 (the "License"). * It is basically the Apache License, Version 2.0 (the "License") plus the * "powered by wisemapping" text requirement on every single page; * you may not use this file except in compliance with the License. * You may obtain a copy of the license at * * http://www.wisemapping.org/license * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.wisemapping.filter; import org.jetbrains.annotations.NotNull; import org.springframework.beans.factory.annotation.Value; import org.springframework.web.servlet.handler.HandlerInterceptorAdapter; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class RequestPropertiesInterceptor extends HandlerInterceptorAdapter { @Value("${google.analytics.enabled}") private Boolean analyticsEnabled; @Value("${google.analytics.account}") private String analyticsAccount; @Value("${google.ads.enabled}") private Boolean adsEnabled; @Value("${site.homepage}") private String siteHomepage; @Value("${site.baseurl}") private String siteUrl; @Value("${security.type}") private String securityType; @Value("${security.openid.enabled}") private Boolean openIdEnabled; public boolean preHandle(@NotNull HttpServletRequest request, @NotNull HttpServletResponse response, Object object) throws Exception { request.setAttribute("google.analytics.enabled", analyticsEnabled); request.setAttribute("google.analytics.account", analyticsAccount); request.setAttribute("google.ads.enabled", adsEnabled); request.setAttribute("site.homepage", siteHomepage); request.setAttribute("security.type", securityType); request.setAttribute("security.openid.enabled", openIdEnabled); // If the property could not be resolved, try to infer one from the request... if ("${site.baseurl}".equals(siteUrl)) { siteUrl = request.getRequestURL().toString().replace(request.getRequestURI(), request.getContextPath()); } request.setAttribute("site.baseurl", siteUrl); return true; } }