gerrit.onap Code Review - portal/sdk.git/blob

   1 /*
   2  * ============LICENSE_START==========================================
   3  * ONAP Portal SDK
   4  * ===================================================================
   5  * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
   6  * ===================================================================
   7  *
   8  * Unless otherwise specified, all software contained herein is licensed
   9  * under the Apache License, Version 2.0 (the “License”);
  10  * you may not use this software except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *             http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  *
  21  * Unless otherwise specified, all documentation contained herein is licensed
  22  * under the Creative Commons License, Attribution 4.0 Intl. (the “License”);
  23  * you may not use this documentation except in compliance with the License.
  24  * You may obtain a copy of the License at
  25  *
  26  *             https://creativecommons.org/licenses/by/4.0/
  27  *
  28  * Unless required by applicable law or agreed to in writing, documentation
  29  * distributed under the License is distributed on an "AS IS" BASIS,
  30  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  31  * See the License for the specific language governing permissions and
  32  * limitations under the License.
  33  *
  34  * ============LICENSE_END============================================
  35  *
  36  * ECOMP is a trademark and service mark of AT&T Intellectual Property.
  37  */
  38 package org.onap.portalapp.controller.core;
  39
  40 import java.io.PrintWriter;
  41 import java.util.HashMap;
  42 import java.util.LinkedList;
  43 import java.util.List;
  44 import java.util.Map;
  45
  46 import javax.servlet.http.HttpServletRequest;
  47 import javax.servlet.http.HttpServletResponse;
  48
  49 import org.apache.jcs.JCS;
  50 import org.apache.jcs.admin.CacheRegionInfo;
  51 import org.apache.jcs.admin.JCSAdminBean;
  52 import org.apache.jcs.engine.behavior.ICacheElement;
  53 import org.json.JSONArray;
  54 import org.json.JSONObject;
  55 import org.onap.portalsdk.core.controller.RestrictedBaseController;
  56 import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
  57 import org.onap.portalsdk.core.web.support.JsonMessage;
  58 import org.springframework.stereotype.Controller;
  59 import org.springframework.web.bind.annotation.RequestMapping;
  60 import org.springframework.web.bind.annotation.RequestMethod;
  61 import org.springframework.web.servlet.ModelAndView;
  62
  63 import com.fasterxml.jackson.databind.DeserializationFeature;
  64 import com.fasterxml.jackson.databind.ObjectMapper;
  65 import com.fasterxml.jackson.databind.SerializationFeature;
  66
  67 @Controller
  68 @RequestMapping("/")
  69 public class CacheAdminController extends RestrictedBaseController {
  70
  71         private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(CacheAdminController.class);
  72
  73         private JCSAdminBean jcsAdminBean = new JCSAdminBean();
  74
  75         @RequestMapping(value = { "/jcs_admin" }, method = RequestMethod.GET)
  76         public ModelAndView cacheAdmin(HttpServletRequest request) {
  77                 Map<String, Object> model = new HashMap<String, Object>();
  78
  79                 model.put("model", getRegions());
  80
  81                 return new ModelAndView(getViewName(), model);
  82         }
  83
  84         @RequestMapping(value = { "/get_regions" }, method = RequestMethod.GET)
  85         public void getRegions(HttpServletRequest request, HttpServletResponse response) {
  86                 try {
  87                         JsonMessage msg = new JsonMessage(getRegions().toString());
  88                         JSONObject j = new JSONObject(msg);
  89                         response.getWriter().write(j.toString());
  90                 } catch (Exception e) {
  91                         logger.error(EELFLoggerDelegate.errorLogger, "getRegions failed", e);
  92                 }
  93         }
  94
  95         @RequestMapping(value = { "/jcs_admin/clearRegion" }, method = RequestMethod.GET)
  96         public void clearRegion(HttpServletRequest request, HttpServletResponse response) throws Exception {
  97                 String cacheName = (String) request.getParameter("cacheName");
  98                 clearCacheRegion(cacheName);
  99
 100                 response.setContentType("application/json");
 101                 PrintWriter out = response.getWriter();
 102                 out.write(getRegions().toString());
 103         }
 104
 105         @RequestMapping(value = { "/jcs_admin/clearAll" }, method = RequestMethod.GET)
 106         public void clearAll(HttpServletRequest request, HttpServletResponse response) throws Exception {
 107                 clearAllRegions();
 108
 109                 response.setContentType("application/json");
 110                 PrintWriter out = response.getWriter();
 111                 out.write(getRegions().toString());
 112         }
 113
 114         @RequestMapping(value = { "/jcs_admin/clearItem" }, method = RequestMethod.GET)
 115         public void clearItem(HttpServletRequest request, HttpServletResponse response) throws Exception {
 116                 String keyName = (String) request.getParameter("keyName");
 117                 String cacheName = (String) request.getParameter("cacheName");
 118                 clearCacheRegionItem(cacheName, keyName);
 119
 120                 response.setContentType("application/json");
 121                 PrintWriter out = response.getWriter();
 122                 out.write(getRegions().toString());
 123         }
 124
 125         @RequestMapping(value = { "/jcs_admin/showItemDetails" }, method = RequestMethod.GET)
 126         public void showItemDetails(HttpServletRequest request, HttpServletResponse response) throws Exception {
 127                 String cacheName = (String) request.getParameter("cacheName");
 128                 String keyName = (String) request.getParameter("keyName");
 129                 String details = null;
 130
 131                 try {
 132                         details = getItemDetails(cacheName, keyName);
 133                 } catch (Exception e) {
 134                         details = "There was an error retrieving the region details. Please try again.";
 135                         logger.error(EELFLoggerDelegate.errorLogger, "showItemDetails failed for cache name " + cacheName, e);
 136                 }
 137                 JSONObject j = new JSONObject(details);
 138                 response.setContentType("application/json");
 139                 // response.setContentType("text/plain");
 140                 PrintWriter out = response.getWriter();
 141                 out.write(j.toString());
 142         }
 143
 144         @RequestMapping(value = { "/jcs_admin/showRegionDetails" }, method = RequestMethod.GET)
 145         public void showRegionDetails(HttpServletRequest request, HttpServletResponse response) throws Exception {
 146                 String cacheName = (String) request.getParameter("cacheName");
 147                 ObjectMapper mapper = new ObjectMapper();
 148                 try {
 149                         String details = getRegionStats(cacheName);
 150                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(details));
 151                         JSONObject j = new JSONObject(msg);
 152                         response.setContentType("application/json");
 153                         PrintWriter out = response.getWriter();
 154                         out.write(j.toString());
 155                 } catch (Exception e) {
 156                         logger.error(EELFLoggerDelegate.errorLogger, "showRegionDetailed failed for cache name " + cacheName, e);
 157                         return;
 158                 }
 159         }
 160
 161         @SuppressWarnings("unchecked")
 162         public JSONArray getRegions() {
 163                 LinkedList<CacheRegionInfo> regions = null;
 164                 JSONArray ja = new JSONArray();
 165                 try {
 166                         regions = getJcsAdminBean().buildCacheInfo();
 167                         ObjectMapper mapper = new ObjectMapper();
 168                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 169                         mapper.disable(SerializationFeature.FAIL_ON_EMPTY_BEANS);
 170                         for (CacheRegionInfo cri : regions) {
 171                                 if (cri.getCache().getCacheName() != null && !cri.getCache().getCacheName().equals("[object Object]")) {
 172                                         JSONObject jo = new JSONObject();
 173                                         jo.put("cacheName", cri.getCache().getCacheName());
 174                                         jo.put("size", cri.getCache().getSize());
 175                                         jo.put("byteCount", cri.getByteCount());
 176                                         jo.put("status", cri.getStatus());
 177                                         jo.put("hitCountRam", cri.getCache().getHitCountRam());
 178                                         jo.put("hitCountAux", cri.getCache().getHitCountAux());
 179                                         jo.put("missCountNotFound", cri.getCache().getMissCountNotFound());
 180                                         jo.put("missCountExpired", cri.getCache().getMissCountExpired());
 181                                         jo.put("items",
 182                                                         new JSONArray(mapper.writeValueAsString(getRegionItems(cri.getCache().getCacheName()))));
 183                                         ja.put(jo);
 184                                 }
 185                         }
 186                 } catch (Exception e) {
 187                         logger.error(EELFLoggerDelegate.errorLogger, "getRegions failed", e);
 188                 }
 189
 190                 return ja;
 191         }
 192
 193         private String getRegionStats(String cacheName) throws Exception {
 194                 String stats = "";
 195
 196                 JCS cache = JCS.getInstance(cacheName);
 197                 stats = cache.getStats();
 198
 199                 return stats;
 200         }
 201
 202         private String getItemDetails(String cacheName, String keyName) throws Exception {
 203                 String details = "";
 204
 205                 JCS cache = JCS.getInstance(cacheName);
 206                 ICacheElement element = cache.getCacheElement(keyName);
 207
 208                 if (element != null) {
 209                         ObjectMapper mapper = new ObjectMapper();
 210                         mapper.disable(SerializationFeature.FAIL_ON_EMPTY_BEANS);
 211                         details = mapper.writeValueAsString(element);
 212                 }
 213
 214                 return details;
 215         }
 216
 217         @SuppressWarnings("rawtypes")
 218         private List getRegionItems(String cacheName) {
 219                 List items = null;
 220
 221                 try {
 222                         items = getJcsAdminBean().buildElementInfo(cacheName);
 223                 } catch (Exception e) {
 224                         logger.error(EELFLoggerDelegate.errorLogger, "getRegionItems failed for cache name " + cacheName, e);
 225                 }
 226                 return items;
 227         }
 228
 229         private void clearAllRegions() {
 230                 try {
 231                         getJcsAdminBean().clearAllRegions();
 232                 } catch (Exception e) {
 233                         logger.error(EELFLoggerDelegate.errorLogger, "clearAllRegions faield", e);
 234                 }
 235         }
 236
 237         private void clearCacheRegion(String cacheName) {
 238                 try {
 239                         getJcsAdminBean().clearRegion(cacheName);
 240                 } catch (Exception e) {
 241                         logger.error(EELFLoggerDelegate.errorLogger, "clearCacheRegion failed for cache name " + cacheName, e);
 242                 }
 243         }
 244
 245         private void clearCacheRegionItem(String cacheName, String keyName) {
 246                 try {
 247                         getJcsAdminBean().removeItem(cacheName, keyName);
 248                 } catch (Exception e) {
 249                         logger.error(EELFLoggerDelegate.errorLogger, "clearCacheRegionItem failed for key name " + keyName, e);
 250                 }
 251         }
 252
 253         public JCSAdminBean getJcsAdminBean() {
 254                 return jcsAdminBean;
 255         }
 256
 257         public void setJcsAdminBean(JCSAdminBean jcsAdminBean) {
 258                 this.jcsAdminBean = jcsAdminBean;
 259         }
 260 }