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

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