From cc0fdd7ffe37ee54ec27c1589df6b3c5a4fa08f4 Mon Sep 17 00:00:00 2001
From: wenshao <szujobs@hotmail.com>
Date: Mon, 27 May 2013 08:45:12 +0800
Subject: [PATCH] improve dynamic config support for DruidDataSourceStatLogger

---
 .../alibaba/druid/pool/DruidDataSource.java    |  4 ++++
 .../druid/pool/DruidDataSourceStatLogger.java  |  4 ++++
 .../pool/DruidDataSourceStatLoggerAdapter.java | 18 ++++++++++++++++++
 .../pool/DruidDataSourceStatLoggerImpl.java    | 12 +++++++++++-
 4 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/com/alibaba/druid/pool/DruidDataSourceStatLoggerAdapter.java

diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
index 924f68b71a..4e2aa98a03 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
@@ -429,6 +429,10 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
             if (exceptionSorter != null) {
                 exceptionSorter.configFromProperties(properties);
             }
+            
+            if (statLogger != null) {
+                statLogger.configFromProperties(properties);
+            }
         }
 
         this.connectProperties = properties;
diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatLogger.java b/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatLogger.java
index 80b46da108..20cc09b4f7 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatLogger.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatLogger.java
@@ -15,7 +15,11 @@
  */
 package com.alibaba.druid.pool;
 
+import java.util.Properties;
+
 public interface DruidDataSourceStatLogger {
 
     void log(DruidDataSourceStatValue statValue);
+    
+    void configFromProperties(Properties properties);
 }
diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatLoggerAdapter.java b/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatLoggerAdapter.java
new file mode 100644
index 0000000000..8338e9b2ad
--- /dev/null
+++ b/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatLoggerAdapter.java
@@ -0,0 +1,18 @@
+package com.alibaba.druid.pool;
+
+import java.util.Properties;
+
+
+public abstract class DruidDataSourceStatLoggerAdapter implements DruidDataSourceStatLogger {
+
+    @Override
+    public void log(DruidDataSourceStatValue statValue) {
+        
+    }
+
+    @Override
+    public void configFromProperties(Properties properties) {
+        
+    }
+
+}
diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatLoggerImpl.java b/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatLoggerImpl.java
index fbd6644606..326c6967e4 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatLoggerImpl.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatLoggerImpl.java
@@ -20,15 +20,25 @@ import static com.alibaba.druid.util.JdbcSqlStatUtils.rtrim;
 import java.util.ArrayList;
 import java.util.LinkedHashMap;
 import java.util.Map;
+import java.util.Properties;
 
 import com.alibaba.druid.stat.JdbcSqlStatValue;
 import com.alibaba.druid.support.json.JSONUtils;
 import com.alibaba.druid.support.logging.Log;
 import com.alibaba.druid.support.logging.LogFactory;
 
-public class DruidDataSourceStatLoggerImpl implements DruidDataSourceStatLogger {
+public class DruidDataSourceStatLoggerImpl extends DruidDataSourceStatLoggerAdapter {
 
     private static Log LOG = LogFactory.getLog(DruidDataSourceStatLoggerImpl.class);
+    
+    public DruidDataSourceStatLoggerImpl() {
+        this.configFromProperties(System.getProperties());
+    }
+    
+    @Override
+    public void configFromProperties(Properties properties) {
+        
+    }
 
     @Override
     public void log(DruidDataSourceStatValue statValue) {