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package com.baiyue.common.event;
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import java.util.UUID;
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import java.util.regex.Pattern;
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/**
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* 事件标识生成与格式判断工具。
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*/
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public final class EventIdentifiers {
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private static final Pattern UUID_PATTERN = Pattern.compile(
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"^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$");
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private static final Pattern ULID_PATTERN = Pattern.compile(
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"^[0-7][0-9A-HJKMNP-TV-Z]{25}$", Pattern.CASE_INSENSITIVE);
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private EventIdentifiers() {
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}
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/**
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* 生成标准 UUID 字符串。
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*/
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public static String newUuid() {
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return UUID.randomUUID().toString();
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}
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/**
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* 判断字符串是否为标准 UUID 或 26 位 ULID。
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*/
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public static boolean isSupported(String value) {
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return value != null && (UUID_PATTERN.matcher(value).matches() || ULID_PATTERN.matcher(value).matches());
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}
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}
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