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wangxiaoyan
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Jun 11, 2024
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104 changes: 104 additions & 0 deletions
104
landlords-common/src/main/java/org/nico/ratel/landlords/helper/I18nHelper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| package org.nico.ratel.landlords.helper; | ||
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| import java.nio.charset.StandardCharsets; | ||
| import java.util.Locale; | ||
| import java.util.MissingResourceException; | ||
| import java.util.ResourceBundle; | ||
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| public class I18nHelper { | ||
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| private I18nHelper() { | ||
| } | ||
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| private static final String I18N_BUNDLE_NAME = "messages"; | ||
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| private static ResourceBundle messageBundle; | ||
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| private static volatile boolean enabled = false; | ||
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| /** | ||
| * 启用并加载国际化信息，语言地区使用系统默认 | ||
| */ | ||
| public static void enable() { | ||
| enable(Locale.getDefault()); | ||
| } | ||
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| /** | ||
| * 启用并加载国际化，指定语言地区 | ||
| * | ||
| * @param locale 语言地区 | ||
| */ | ||
| public static void enable(Locale locale) { | ||
| if (enabled) { | ||
| System.err.println("[warning] i18n resource has already loaded."); | ||
| return; | ||
| } | ||
| try { | ||
| messageBundle = ResourceBundle.getBundle(I18N_BUNDLE_NAME, locale); | ||
| if (locale != messageBundle.getLocale()) { | ||
| System.err.printf("[warning] missing i18n resource for %s, set locale to %s\n", | ||
| locale, messageBundle.getLocale()); | ||
| } | ||
| } catch (Exception e) { | ||
| System.err.println("[error] load i18n resource error, exception: " + e.getMessage()); | ||
| throw e; | ||
| } | ||
| I18nHelper.enabled = true; | ||
| } | ||
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| /** | ||
| * 更新并重新加载国际化资源 | ||
| * | ||
| * @param locale 语言地区 | ||
| */ | ||
| public static void refresh(Locale locale) { | ||
| if (!enabled) { | ||
| throw new IllegalStateException("i18n not enabled!"); | ||
| } | ||
| ResourceBundle bundle; | ||
| try { | ||
| bundle = ResourceBundle.getBundle(I18N_BUNDLE_NAME, locale); | ||
| if (locale != bundle.getLocale()) { | ||
| throw new IllegalStateException("i18n resource of " + locale + " not found"); | ||
| } | ||
| } catch (Exception e) { | ||
| if (e instanceof IllegalArgumentException) { | ||
| throw e; | ||
| } | ||
| throw new RuntimeException("load i18n resource of " + locale + "failed, exception: " + e.getMessage()); | ||
| } | ||
| messageBundle = bundle; | ||
| } | ||
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| /** | ||
| * 翻译文本 | ||
| * <p>支持格式化，格式化方式采用String.format(format, Object...args)<p/> | ||
| * <p>不在字典内的key将原样显示</p> | ||
| * | ||
| * @param key 待翻译语言key | ||
| * @param args 参数 | ||
| */ | ||
| public static String translate(String key, Object... args) { | ||
| if (!enabled) { | ||
| return format(key, args); | ||
| } | ||
| try { | ||
| String t = messageBundle.getString(key); | ||
| return format(new String(t.getBytes(StandardCharsets.ISO_8859_1), StandardCharsets.UTF_8), args); | ||
| } catch (MissingResourceException e) { | ||
| return format(key, args); | ||
| } | ||
| } | ||
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| /** | ||
| * 获取当前地区语言 | ||
| */ | ||
| public static Locale getCurrentLocale() { | ||
| return messageBundle == null ? null : messageBundle.getLocale(); | ||
| } | ||
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| private static String format(String template, Object... args) { | ||
| return String.format(template, args); | ||
| } | ||
| } |
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3 changes: 3 additions & 0 deletions
3
landlords-common/src/main/resources/messages_en_US.properties
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,3 @@ | ||
| pls_select_srv=Please select a server: | ||
| srv_addr_not_exist=The server address does not exist! | ||
| try_connect_%s_failed_%s=Try connected %s failed: %s |
3 changes: 3 additions & 0 deletions
3
landlords-common/src/main/resources/messages_zh_CN.properties
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,3 @@ | ||
| pls_select_srv=请选择一个服务器: | ||
| srv_addr_not_exist=服务器地址不存在！ | ||
| try_connect_%s_failed_%s=尝试连接服务器 %s 失败，原因： %s |