DN auto reverse

src/main/java/com/sunyard/SydApi.java

@@ -71,6 +71,18 @@ public interface SydApi extends
      */
     SydApi connect(String ip, int port, String pwd, int connectTimeout, int readTimeout);
 
+    /**
+     * 建立到指定地址和端口号的加密设备的TCP/IP 连接，返回 TCP/IP 连接句柄。
+     * @param ip
+     * @param port
+     * @param pwd
+     * @param connectTimeout
+     * @param readTimeout
+     * @param retryWhenNetError 网络失败时重试
+     * @return
+     */
+    SydApi connect(String ip, int port, String pwd, int connectTimeout, int readTimeout , int retryWhenNetError);
+
     void init(SydApiBuilder builder);
 
     /**

src/main/java/com/sunyard/util/DnUtil.java

@@ -0,0 +1,36 @@
+package com.sunyard.util;
+
+import java.util.LinkedHashMap;
+
+public class DnUtil {
+
+
+    public static LinkedHashMap<String, String> dnToMap(String dn) {
+        LinkedHashMap<String, String>map = new LinkedHashMap<String, String>();
+        String[] kvs = dn.split(",");
+        for ( String kv : kvs ) {
+            String[] ps = kv.split("=");
+            map.put( ps[0].trim() , ps[1].trim() );
+        }
+        return map;
+    }
+
+    public static String verifyDn( String dn ) {
+        if ( dn.startsWith("C=") || dn.startsWith("c=")) {
+            return dn;
+        }
+        // 反转顺序
+        LinkedHashMap<String, String> map = dnToMap( dn );
+        StringBuilder sb = new StringBuilder();
+
+        for ( String key : map.keySet() ) {
+            if ( sb.length() > 0 ) {
+                sb.insert(0, ",");
+            }
+            sb.insert(0, key + "=" + map.get( key ));
+        }
+
+        return sb.toString();
+    }
+
+}