AJ-556: fix jdk compatibility

Author: lucaijun

src/com/xxdb/SimpleDBConnectionPoolConfig.java

@@ -2,8 +2,6 @@
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import sun.net.util.IPAddressUtil;
-
 import java.util.Objects;
 
 public class SimpleDBConnectionPoolConfig {
@@ -155,7 +153,7 @@ private static String getNullIfEmpty(String text) {
     private static boolean checkHostNameValid(String hostName) {
         return hostName.equals("localhost") ||
                 isIPV4(hostName) ||
-                IPAddressUtil.isIPv6LiteralAddress(hostName) ||
+                isIPV6(hostName) ||
                 isDomain(hostName);
     }
 
@@ -181,6 +179,37 @@ private static boolean isIPV4(String hostName) {
         }
         return true;
     }
+
+    private static boolean isIPV6(String hostName) {
+        String regex = "(^((([0-9A-Fa-f]{1,4}:){7}(([0-9A-Fa-f]{1,4}){1}|:))"
+                + "|(([0-9A-Fa-f]{1,4}:){6}((:[0-9A-Fa-f]{1,4}){1}|"
+                + "((22[0-3]|2[0-1][0-9]|[0-1][0-9][0-9]|"
+                + "([0-9]){1,2})([.](25[0-5]|2[0-4][0-9]|"
+                + "[0-1][0-9][0-9]|([0-9]){1,2})){3})|:))|"
+                + "(([0-9A-Fa-f]{1,4}:){5}((:[0-9A-Fa-f]{1,4}){1,2}|"
+                + ":((22[0-3]|2[0-1][0-9]|[0-1][0-9][0-9]|"
+                + "([0-9]){1,2})([.](25[0-5]|2[0-4][0-9]|"
+                + "[0-1][0-9][0-9]|([0-9]){1,2})){3})|:))|"
+                + "(([0-9A-Fa-f]{1,4}:){4}((:[0-9A-Fa-f]{1,4}){1,3}"
+                + "|:((22[0-3]|2[0-1][0-9]|[0-1][0-9][0-9]|"
+                + "([0-9]){1,2})([.](25[0-5]|2[0-4][0-9]|[0-1][0-9][0-9]|"
+                + "([0-9]){1,2})){3})|:))|(([0-9A-Fa-f]{1,4}:){3}((:[0-9A-Fa-f]{1,4}){1,4}|"
+                + ":((22[0-3]|2[0-1][0-9]|[0-1][0-9][0-9]|"
+                + "([0-9]){1,2})([.](25[0-5]|2[0-4][0-9]|"
+                + "[0-1][0-9][0-9]|([0-9]){1,2})){3})|:))|"
+                + "(([0-9A-Fa-f]{1,4}:){2}((:[0-9A-Fa-f]{1,4}){1,5}|"
+                + ":((22[0-3]|2[0-1][0-9]|[0-1][0-9][0-9]|"
+                + "([0-9]){1,2})([.](25[0-5]|2[0-4][0-9]|"
+                + "[0-1][0-9][0-9]|([0-9]){1,2})){3})|:))"
+                + "|(([0-9A-Fa-f]{1,4}:){1}((:[0-9A-Fa-f]{1,4}){1,6}"
+                + "|:((22[0-3]|2[0-1][0-9]|[0-1][0-9][0-9]|"
+                + "([0-9]){1,2})([.](25[0-5]|2[0-4][0-9]|"
+                + "[0-1][0-9][0-9]|([0-9]){1,2})){3})|:))|"
+                + "(:((:[0-9A-Fa-f]{1,4}){1,7}|(:[fF]{4}){0,1}:((22[0-3]|2[0-1][0-9]|"
+                + "[0-1][0-9][0-9]|([0-9]){1,2})"
+                + "([.](25[0-5]|2[0-4][0-9]|[0-1][0-9][0-9]|([0-9]){1,2})){3})|:)))$)";
+        return hostName.matches(regex);
+    }
 }