diff options
Diffstat (limited to 'catalog-be/src/main/java/org/openecomp/sdc/be/monitoring/EsGateway.java')
-rw-r--r-- | catalog-be/src/main/java/org/openecomp/sdc/be/monitoring/EsGateway.java | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/monitoring/EsGateway.java b/catalog-be/src/main/java/org/openecomp/sdc/be/monitoring/EsGateway.java new file mode 100644 index 0000000000..34a56cdd13 --- /dev/null +++ b/catalog-be/src/main/java/org/openecomp/sdc/be/monitoring/EsGateway.java @@ -0,0 +1,109 @@ +/*- + * ============LICENSE_START======================================================= + * SDC + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * 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. + * ============LICENSE_END========================================================= + */ + +package org.openecomp.sdc.be.monitoring; + +import java.net.URI; + +import javax.servlet.ServletContext; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.eclipse.jetty.client.api.Request; +import org.eclipse.jetty.client.api.Response; +import org.eclipse.jetty.proxy.ProxyServlet; +import org.openecomp.sdc.be.components.impl.MonitoringBusinessLogic; +import org.openecomp.sdc.be.impl.WebAppContextWrapper; +import org.openecomp.sdc.common.api.Constants; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.web.context.WebApplicationContext; + +public class EsGateway extends ProxyServlet { + + private static final long serialVersionUID = 1L; + private static Logger log = LoggerFactory.getLogger(EsGateway.class.getName()); + + @Override + public URI rewriteURI(HttpServletRequest request) { + + String originalUrl = request.getRequestURI(); + + String redirectedUrl = getModifiedUrl(request); + + log.debug("EsGateway Redirecting request from: {} , to: {}", originalUrl, redirectedUrl); + return URI.create(redirectedUrl); + } + + @Override + public void customizeProxyRequest(Request proxyRequest, HttpServletRequest request) { + super.customizeProxyRequest(proxyRequest, request); + + } + + @Override + protected void onResponseSuccess(HttpServletRequest request, HttpServletResponse response, Response proxyResponse) { + super.onResponseSuccess(request, response, proxyResponse); + } + + public String getModifiedUrl(HttpServletRequest request) { + String esHost = null; + String esPort = null; + MonitoringBusinessLogic monitoringBL = getMonitoringBL(request.getSession().getServletContext()); + if (monitoringBL == null) { + log.error("failed to retrive monitoringBL."); + } else { + esHost = monitoringBL.getEsHost(); + esPort = monitoringBL.getEsPort(); + } + + String scheme = request.getScheme(); + String contextPath = request.getContextPath(); // /mywebapp + String servletPath = request.getServletPath(); // /servlet/MyServlet + String pathInfo = request.getPathInfo(); // /a/b;c=123 + String queryString = request.getQueryString(); // d=789 + + StringBuilder url = new StringBuilder(); + url.append(scheme).append("://").append(esHost); + url.append(":").append(esPort); + url.append(contextPath).append(servletPath); + + if (pathInfo != null) { + url.append(pathInfo); + } + if (queryString != null) { + url.append("?").append(queryString); + } + + String redirectedUrl = url.toString().replace("/sdc2/esGateway/", "/"); + return redirectedUrl; + + } + + protected MonitoringBusinessLogic getMonitoringBL(ServletContext context) { + + WebAppContextWrapper webApplicationContextWrapper = (WebAppContextWrapper) context.getAttribute(Constants.WEB_APPLICATION_CONTEXT_WRAPPER_ATTR); + WebApplicationContext webApplicationContext = webApplicationContextWrapper.getWebAppContext(context); + MonitoringBusinessLogic monitoringBusinessLogic = webApplicationContext.getBean(MonitoringBusinessLogic.class); + + return monitoringBusinessLogic; + } + +} |