improve sessionStat

src/main/java/com/alibaba/druid/support/JSONDruidStatService.java

@@ -27,7 +27,7 @@ public class JSONDruidStatService {
 
     private final static JSONDruidStatService instance               = new JSONDruidStatService();
 
-    private static DruidStatManagerFacade     statManagerFacade       = DruidStatManagerFacade.getInstance();
+    private static DruidStatManagerFacade     statManagerFacade      = DruidStatManagerFacade.getInstance();
 
     public final static int                   RESULT_CODE_SUCCESS    = 1;
     public final static int                   RESULT_CODE_ERROR      = -1;
@@ -105,6 +105,11 @@ public class JSONDruidStatService {
             return returnJSONResult(RESULT_CODE_SUCCESS, getWebSessionStatDataList(parameters));
         }
 
+        if (url.startsWith("/websession-") && url.indexOf(".json") > 0) {
+            String id = StringUtils.subString(url, "websession-", ".json");
+            return returnJSONResult(RESULT_CODE_SUCCESS, getWebSessionDetail(id));
+        }
+
         if (url.startsWith("/spring.json")) {
             return returnJSONResult(RESULT_CODE_SUCCESS, getSpringStatDataList(parameters));
         }
@@ -122,6 +127,10 @@ public class JSONDruidStatService {
         return comparatorOrderBy(array, parameters);
     }
 
+    private Map<String, Object> getWebSessionDetail(String sessionId) {
+        return WebAppStatManager.getInstance().getSessionStat(sessionId);
+    }
+
     private List<Map<String, Object>> getWebSessionStatDataList(Map<String, String> parameters) {
         List<Map<String, Object>> array = WebAppStatManager.getInstance().getSessionStatData();
         return array;

src/main/java/com/alibaba/druid/support/http/stat/WebAppStat.java

@@ -145,6 +145,16 @@ public class WebAppStat {
     public WebSessionStat getSessionStat(String sessionId) {
         return getSessionStat(sessionId, false);
     }
+    
+    public Map<String, Object> getSessionStatData(String sessionId) {
+        WebSessionStat uriStat = sessionStatMap.get(sessionId);
+        
+        if (uriStat == null) {
+            return null;
+        }
+        
+        return uriStat.getStatData();
+    }
 
     public WebSessionStat getSessionStat(String sessionId, boolean create) {
         sessionStatLock.readLock().lock();

src/main/java/com/alibaba/druid/support/http/stat/WebAppStatManager.java

@@ -65,6 +65,19 @@ public class WebAppStatManager {
 
         return allAppUriStatDataList;
     }
+    
+    public Map<String, Object> getSessionStat(String sessionId) {
+        Set<Object> stats = getWebAppStatSet();
+
+        for (Object stat : stats) {
+            Map<String, Object> statData = WebAppStatUtils.getSessionStatData(stat, sessionId);
+            if (statData != null) {
+                return statData;
+            }
+        }
+        
+        return null;
+    }
 
     public void addWebAppStatSet(Object webAppStat) {
         getWebAppStatSet().add(webAppStat);

src/main/java/com/alibaba/druid/support/http/stat/WebAppStatUtils.java

@@ -58,6 +58,22 @@ public class WebAppStatUtils {
             return null;
         }
     }
+    
+    @SuppressWarnings("unchecked")
+    public static Map<String, Object> getSessionStatData(Object webStat, String sessionId) {
+        if (webStat.getClass() == WebAppStat.class) {
+            return ((WebAppStat) webStat).getSessionStatData(sessionId);
+        }
+        
+        try {
+            Method method = webStat.getClass().getMethod("getSessionStatData", String.class);
+            Object obj = method.invoke(webStat);
+            return (Map<String, Object>) obj;
+        } catch (Exception e) {
+            LOG.error("getSessionStatData error", e);
+            return null;
+        }
+    }
 
     public static void reset(Object webStat) {
         if (webStat.getClass() == WebAppStat.class) {