update logger

examcloud-core-oe-admin-base/src/main/java/cn/com/qmth/examcloud/core/oe/admin/base/utils/HttpPoolUtil.java

@@ -1,21 +1,21 @@
 package cn.com.qmth.examcloud.core.oe.admin.base.utils;
 
-import org.apache.commons.logging.Log; 
-import org.apache.commons.logging.LogFactory; 
-import org.apache.http.client.config.RequestConfig; 
+import org.apache.http.client.config.RequestConfig;
 import org.apache.http.impl.client.CloseableHttpClient; 
 import org.apache.http.impl.client.HttpClientBuilder; 
 import org.apache.http.impl.client.HttpClients; 
-import org.apache.http.impl.conn.PoolingHttpClientConnectionManager; 
+import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 
-
 /** 
 * 连接池工具类 
 */ 
 @Component
-public class HttpPoolUtil { 
-	private static Log logger = LogFactory.getLog(HttpPoolUtil.class); 
+public class HttpPoolUtil {
+
+	private static final Logger log = LoggerFactory.getLogger(HttpPoolUtil.class);
 	
 	public static final String UTF8 = "UTF-8"; 
 	public static volatile boolean isClosed = false; 
@@ -73,7 +73,7 @@ public class HttpPoolUtil {
 	public static CloseableHttpClient getHttpClient() { 
 		CloseableHttpClient httpClient = httpClientBuilder.build(); 
 		if(null == httpClient){ 
-			logger.info("---------HttpClients.createDefault()---------"); 
+			log.info("---------HttpClients.createDefault()---------");
 			httpClient = HttpClients.createDefault(); 
 		} 
 		return httpClient;