BAEL-6049-validate-ipv4-address (#13287)

* validate ipv4 * add unit test * add more unit tests * add more unit tests * add more unit test --------- Co-authored-by: tienvn4 <tienvn4@ghtk.co>
2023-02-07 01:54:29 +07:00
parent 87c22e5be4
commit ebd6a0e73a
2 changed files with 148 additions and 0 deletions
--- a/core-java-modules/core-java-networking-4/src/main/java/com/baeldung/urlvalidation/IPv4Validation.java
+++ b/core-java-modules/core-java-networking-4/src/main/java/com/baeldung/urlvalidation/IPv4Validation.java
@@ -0,0 +1,27 @@
+package com.baeldung.urlvalidation;
+
+import com.google.common.net.InetAddresses;
+import org.apache.commons.validator.routines.InetAddressValidator;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class IPv4Validation {
+
+    public static boolean validateWithApacheCommons(String ip) {
+        InetAddressValidator validator = InetAddressValidator.getInstance();
+        return validator.isValid(ip);
+    }
+
+    public static boolean validateWithGuava(String ip) {
+        return InetAddresses.isInetAddress(ip);
+    }
+
+    public static boolean validateWithRegex(String ip) {
+        String regex = "^((25[0-5]|(2[0-4]|1\\d|[1-9]|)\\d)\\.?\\b){4}$";
+        Pattern pattern = Pattern.compile(regex);
+        Matcher matcher = pattern.matcher(ip);
+        return matcher.matches();
+    }
+
+}