From 914463b4d8a3ece0adcc5c7a962b8a19efbd987c Mon Sep 17 00:00:00 2001
From: zhaoxinhu <759054522@qq.com>
Date: Thu, 18 Aug 2022 08:58:05 +0800
Subject: [PATCH] =?UTF-8?q?punycode=E8=BD=AC=E7=A0=81=E5=AE=8C=E6=95=B4?=
 =?UTF-8?q?=E5=9F=9F=E5=90=8D?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/cn/hutool/core/codec/PunyCode.java   | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/hutool-core/src/main/java/cn/hutool/core/codec/PunyCode.java b/hutool-core/src/main/java/cn/hutool/core/codec/PunyCode.java
index c6474a4a0..5bca5f6b0 100644
--- a/hutool-core/src/main/java/cn/hutool/core/codec/PunyCode.java
+++ b/hutool-core/src/main/java/cn/hutool/core/codec/PunyCode.java
@@ -24,6 +24,35 @@ public class PunyCode {
 
 	public static final String PUNY_CODE_PREFIX = "xn--";
 
+	/**
+	 * punycode转码域名
+	 * @param domain
+	 * @return
+	 * @throws UtilException
+	 */
+	private static String encodeDomain(String domain) throws UtilException{
+		Assert.notNull(domain, "domain must not be null!");
+		String[] split = domain.split("\\.");
+		StringBuilder outStringBuilder = new StringBuilder();
+		for (String string: split) {
+			boolean encode = false;
+			for (int index=0; index<string.length(); index++) {
+				char c = string.charAt(index);
+				if (!isBasic(c)) {
+					encode = true;
+					break;
+				}
+			}
+			if (encode) {
+				outStringBuilder.append(PunyCode.encode(string, true));
+			} else {
+				outStringBuilder.append(string);
+			}
+			outStringBuilder.append(".");
+		}
+		return outStringBuilder.substring(0, outStringBuilder.length() - 1);
+	}
+
 	/**
 	 * 将内容编码为PunyCode
 	 *
@@ -119,6 +148,27 @@ public class PunyCode {
 		return output.toString();
 	}
 
+	/**
+	 * 解码punycode域名
+	 * @param domain
+	 * @return
+	 * @throws UtilException
+	 */
+	private static String decodeDomain(String domain) throws UtilException{
+		Assert.notNull(domain, "domain must not be null!");
+		String[] split = domain.split("\\.");
+		StringBuilder outStringBuilder = new StringBuilder();
+		for (String string: split) {
+			if (string.startsWith(PUNY_CODE_PREFIX)) {
+				outStringBuilder.append(decode(string));
+			} else {
+				outStringBuilder.append(string);
+			}
+			outStringBuilder.append(".");
+		}
+		return outStringBuilder.substring(0, outStringBuilder.length() - 1);
+	}
+
 	/**
 	 * 解码 PunyCode为字符串
 	 *