diff options
Diffstat (limited to 'authz-core/src/main/java/org/onap/aaf/cssa/rserv/RServlet.java')
| -rw-r--r-- | authz-core/src/main/java/org/onap/aaf/cssa/rserv/RServlet.java | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/authz-core/src/main/java/org/onap/aaf/cssa/rserv/RServlet.java b/authz-core/src/main/java/org/onap/aaf/cssa/rserv/RServlet.java new file mode 100644 index 00000000..cf225394 --- /dev/null +++ b/authz-core/src/main/java/org/onap/aaf/cssa/rserv/RServlet.java @@ -0,0 +1,155 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * Copyright © 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====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package org.onap.aaf.cssa.rserv;
+
+import java.io.IOException;
+import java.util.List;
+
+import javax.servlet.Servlet;
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.onap.aaf.inno.env.Env;
+import org.onap.aaf.inno.env.TimeTaken;
+import org.onap.aaf.inno.env.Trans;
+
+public abstract class RServlet<TRANS extends Trans> implements Servlet {
+ private Routes<TRANS> routes = new Routes<TRANS>();
+
+ private ServletConfig config;
+
+ @Override
+ public void init(ServletConfig config) throws ServletException {
+ this.config = config;
+ }
+
+ @Override
+ public ServletConfig getServletConfig() {
+ return config;
+ }
+
+ public void route(Env env, HttpMethods meth, String path, HttpCode<TRANS, ?> code, String ... moreTypes) {
+ Route<TRANS> r = routes.findOrCreate(meth,path);
+ r.add(code,moreTypes);
+ env.init().log(r.report(code),code);
+ }
+
+ @Override
+ public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException {
+ HttpServletRequest request = (HttpServletRequest)req;
+ HttpServletResponse response = (HttpServletResponse)res;
+
+ @SuppressWarnings("unchecked")
+ TRANS trans = (TRANS)req.getAttribute(TransFilter.TRANS_TAG);
+ if(trans==null) {
+ response.setStatus(404); // Not Found, because it didn't go through TransFilter
+ return;
+ }
+
+ Route<TRANS> route;
+ HttpCode<TRANS,?> code=null;
+ String ct = req.getContentType();
+ TimeTaken tt = trans.start("Resolve to Code", Env.SUB);
+ try {
+ // routes have multiple code sets. This object picks the best code set
+ // based on Accept or Content-Type
+ CodeSetter<TRANS> codesetter = new CodeSetter<TRANS>(trans,request,response);
+ // Find declared route
+ route = routes.derive(request, codesetter);
+ if(route==null) {
+ String method = request.getMethod();
+ trans.checkpoint("No Route matches "+ method + ' ' + request.getPathInfo());
+ response.setStatus(404); // Not Found
+ } else {
+ // Find best Code in Route based on "Accepts (Get) or Content-Type" (if exists)
+ code = codesetter.code();// route.getCode(trans, request, response);
+ }
+ } finally {
+ tt.done();
+ }
+
+ if(route!=null && code!=null) {
+ StringBuilder sb = new StringBuilder(72);
+ sb.append(route.auditText);
+ sb.append(',');
+ sb.append(code.desc());
+ if(ct!=null) {
+ sb.append(", ContentType: ");
+ sb.append(ct);
+ }
+ tt = trans.start(sb.toString(),Env.SUB);
+ try {
+ /*obj = */
+ code.handle(trans, request, response);
+ response.flushBuffer();
+ } catch (ServletException e) {
+ trans.error().log(e);
+ throw e;
+ } catch (Exception e) {
+ trans.error().log(e,request.getMethod(),request.getPathInfo());
+ throw new ServletException(e);
+ } finally {
+ tt.done();
+ }
+ }
+ }
+
+ @Override
+ public String getServletInfo() {
+ return "RServlet for Jetty";
+ }
+
+ @Override
+ public void destroy() {
+ }
+
+ public String applicationJSON(Class<?> cls, String version) {
+ StringBuilder sb = new StringBuilder();
+ sb.append("application/");
+ sb.append(cls.getSimpleName());
+ sb.append("+json");
+ sb.append(";charset=utf-8");
+ sb.append(";version=");
+ sb.append(version);
+ return sb.toString();
+ }
+
+ public String applicationXML(Class<?> cls, String version) {
+ StringBuilder sb = new StringBuilder();
+ sb.append("application/");
+ sb.append(cls.getSimpleName());
+ sb.append("+xml");
+ sb.append(";charset=utf-8");
+ sb.append(";version=");
+ sb.append(version);
+ return sb.toString();
+ }
+
+ public List<RouteReport> routeReport() {
+ return routes.routeReport();
+ }
+}
|