AT&T 2.0.19 Code drop, stage 3
[aaf/authz.git] / auth / auth-service / src / main / java / org / onap / aaf / auth / service / api / API_History.java
diff --git a/auth/auth-service/src/main/java/org/onap/aaf/auth/service/api/API_History.java b/auth/auth-service/src/main/java/org/onap/aaf/auth/service/api/API_History.java
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+/**
+ * ============LICENSE_START====================================================
+ * org.onap.aaf
+ * ===========================================================================
+ * Copyright (c) 2018 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.onap.aaf.auth.service.api;
+
+import static org.onap.aaf.auth.layer.Result.OK;
+import static org.onap.aaf.auth.rserv.HttpMethods.GET;
+
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Date;
+import java.util.GregorianCalendar;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.eclipse.jetty.http.HttpStatus;
+import org.onap.aaf.auth.dao.cass.Status;
+import org.onap.aaf.auth.env.AuthzTrans;
+import org.onap.aaf.auth.layer.Result;
+import org.onap.aaf.auth.service.AAF_Service;
+import org.onap.aaf.auth.service.Code;
+import org.onap.aaf.auth.service.facade.AuthzFacade;
+import org.onap.aaf.auth.service.mapper.Mapper.API;
+
+/**
+ * Pull certain types of History Info
+ * 
+ * Specify yyyymm as 
+ *     single - 201504
+ *  commas 201503,201504
+ *  ranges 201501-201504
+ *  combinations 201301,201401,201501-201504
+ *  
+ * @author Jonathan
+ *
+ */
+public class API_History {
+       /**
+        * Normal Init level APIs
+        * 
+        * @param authzAPI
+        * @param facade
+        * @throws Exception
+        */
+       public static void init(AAF_Service authzAPI, AuthzFacade facade) throws Exception {
+               /**
+                * Get History
+                */
+               authzAPI.route(GET,"/authz/hist/user/:user",API.HISTORY,new Code(facade,"Get History by User", true) {
+                       @Override
+                       public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
+                               int[] years;
+                               int descend;
+                               try {
+                                       years = getYears(req);
+                                       descend = decending(req);
+                               } catch(Exception e) {
+                                       context.error(trans, resp, Result.err(Status.ERR_BadData, e.getMessage()));
+                                       return;
+                               }
+
+                               Result<Void> r = context.getHistoryByUser(trans, resp, pathParam(req,":user"),years,descend);
+                               switch(r.status) {
+                                       case OK:
+                                               resp.setStatus(HttpStatus.OK_200); 
+                                               break;
+                                       default:
+                                               context.error(trans,resp,r);
+                               }
+                       }
+               });
+
+               /**
+                * Get History by NS
+                */
+               authzAPI.route(GET,"/authz/hist/ns/:ns",API.HISTORY,new Code(facade,"Get History by Namespace", true) {
+                       @Override
+                       public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
+                               int[] years;
+                               int descend;
+                               try {
+                                       years = getYears(req);
+                                       descend = decending(req);
+                               } catch(Exception e) {
+                                       context.error(trans, resp, Result.err(Status.ERR_BadData, e.getMessage()));
+                                       return;
+                               }
+                               
+                               Result<Void> r = context.getHistoryByNS(trans, resp, pathParam(req,":ns"),years,descend);
+                               switch(r.status) {
+                                       case OK:
+                                               resp.setStatus(HttpStatus.OK_200); 
+                                               break;
+                                       default:
+                                               context.error(trans,resp,r);
+                               }
+                       }
+               });
+
+               /**
+                * Get History by Role
+                */
+               authzAPI.route(GET,"/authz/hist/role/:role",API.HISTORY,new Code(facade,"Get History by Role", true) {
+                       @Override
+                       public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
+                               int[] years;
+                               int descend;
+                               try {
+                                       years = getYears(req);
+                                       descend = decending(req);
+                               } catch(Exception e) {
+                                       context.error(trans, resp, Result.err(Status.ERR_BadData, e.getMessage()));
+                                       return;
+                               }
+
+                               Result<Void> r = context.getHistoryByRole(trans, resp, pathParam(req,":role"),years,descend);
+                               switch(r.status) {
+                                       case OK:
+                                               resp.setStatus(HttpStatus.OK_200); 
+                                               break;
+                                       default:
+                                               context.error(trans,resp,r);
+                               }
+                       }
+               });
+
+               /**
+                * Get History by Perm Type
+                */
+               authzAPI.route(GET,"/authz/hist/perm/:type",API.HISTORY,new Code(facade,"Get History by Perm Type", true) {
+                       @Override
+                       public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
+                               int[] years;
+                               int descend;
+                               try {
+                                       years = getYears(req);
+                                       descend = decending(req);
+                               } catch(Exception e) {
+                                       context.error(trans, resp, Result.err(Status.ERR_BadData, e.getMessage()));
+                                       return;
+                               }
+                               
+                               Result<Void> r = context.getHistoryByPerm(trans, resp, pathParam(req,":type"),years,descend);
+                               switch(r.status) {
+                                       case OK:
+                                               resp.setStatus(HttpStatus.OK_200); 
+                                               break;
+                                       default:
+                                               context.error(trans,resp,r);
+                               }
+                       }
+               });
+       }
+
+       // Check if Ascending
+       private static int decending(HttpServletRequest req) {
+               if("true".equalsIgnoreCase(req.getParameter("desc")))return -1;
+               if("true".equalsIgnoreCase(req.getParameter("asc")))return 1;
+               return 0;
+       }
+       
+       // Get Common "yyyymm" parameter, or none
+       private static final SimpleDateFormat FMT = new SimpleDateFormat("yyyyMM");
+       
+       private static int[] getYears(HttpServletRequest req) throws NumberFormatException {
+               String yyyymm = req.getParameter("yyyymm");
+               ArrayList<Integer> ai= new ArrayList<Integer>();
+               if(yyyymm==null) {
+                       GregorianCalendar gc = new GregorianCalendar();
+                       // three months is the default
+                       for(int i=0;i<3;++i) {
+                               ai.add(Integer.parseInt(FMT.format(gc.getTime())));
+                               gc.add(GregorianCalendar.MONTH, -1);
+                       }
+               } else {
+                       for(String ym : yyyymm.split(",")) {
+                               String range[] = ym.split("\\s*-\\s*");
+                               switch(range.length) {
+                                       case 0:
+                                               break;
+                                       case 1:
+                                               if(!ym.endsWith("-")) {
+                                                       ai.add(getNum(ym));
+                                                       break;
+                                               } else {
+                                                       range=new String[] {ym.substring(0, 6),FMT.format(new Date())};
+                                               }
+                                       default:
+                                               GregorianCalendar gc = new GregorianCalendar();
+                                               gc.set(GregorianCalendar.MONTH, Integer.parseInt(range[1].substring(4,6))-1);
+                                               gc.set(GregorianCalendar.YEAR, Integer.parseInt(range[1].substring(0,4)));
+                                               int end = getNum(FMT.format(gc.getTime())); 
+                                               
+                                               gc.set(GregorianCalendar.MONTH, Integer.parseInt(range[0].substring(4,6))-1);
+                                               gc.set(GregorianCalendar.YEAR, Integer.parseInt(range[0].substring(0,4)));
+                                               for(int i=getNum(FMT.format(gc.getTime()));i<=end;gc.add(GregorianCalendar.MONTH, 1),i=getNum(FMT.format(gc.getTime()))) {
+                                                       ai.add(i);
+                                               }
+
+                               }
+                       }
+               }
+               if(ai.size()==0) {
+                       throw new NumberFormatException(yyyymm + " is an invalid number or range");
+               }
+               Collections.sort(ai);
+               int ym[] = new int[ai.size()];
+               for(int i=0;i<ym.length;++i) {
+                       ym[i]=ai.get(i);
+               }
+               return ym;
+       }
+       
+       private static int getNum(String n) {
+               if(n==null || n.length()!=6) throw new NumberFormatException(n + " is not in YYYYMM format");
+               return Integer.parseInt(n);
+       }
+}