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punycode转码完整域名

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This commit is contained in:
zhaoxinhu 2022-08-18 08:58:05 +08:00
parent a60aa0ec47
commit 914463b4d8
1 changed files with 50 additions and 0 deletions
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50
hutool-core/src/main/java/cn/hutool/core/codec/PunyCode.java
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@ -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
*