mirror of https://github.com/nitu2003/T18n
155 lines
3.6 KiB
Java
155 lines
3.6 KiB
Java
package cn.glycol.t18n;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.nio.charset.Charset;
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import java.util.ArrayList;
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import java.util.List;
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public class LanguageMapBuilder {
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/**
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* 从文件读取语言包
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* @param langFile 语言文件
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* @return 语言包
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*/
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public static LanguageMap fromFile(File langFile) {
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return fromFile(langFile, LanguageMapConfiguration.DEFAULT);
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}
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/**
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* 从文件读取语言包
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* @param langFile 语言文件
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* @param config 读取配置
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* @return 语言包
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*/
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public static LanguageMap fromFile(File langFile, LanguageMapConfiguration config) {
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List<String> lines = T18nUtils.getLocalContent(langFile);
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return processFinal(config, lines);
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}
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/**
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* 以 UTF8 为编码读取Jar包里的资源
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* @param path 资源地址
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* @return 语言包
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*/
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public static LanguageMap fromJarResource(String path) {
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return fromJarResource(path, "UTF8", LanguageMapConfiguration.DEFAULT);
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}
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/**
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* 用设定编码读取Jar包里的资源
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* @param path 资源地址
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* @param encode 编码名称，例如<code>UTF-8</code>，<code>GBK</code>，<code>Unicode</code>等等。
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* @param config 读取配置
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* @return 语言包
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*/
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public static LanguageMap fromJarResource(String path, String encode, LanguageMapConfiguration config) {
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InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream(path);
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if (is == null) {
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return new LanguageMap();
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}
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BufferedReader br = new BufferedReader(new InputStreamReader(is, Charset.forName(encode)));
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String cache;
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List<String> strs = new ArrayList<>();
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try {
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while (true) {
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if ((cache = br.readLine()) != null) {
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strs.add(cache);
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} else {
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break;
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}
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}
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} catch (IOException e) {
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}
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return processFinal(config, strs);
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}
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/**
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* 从在线页面读取语言包
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* @param url 页面地址
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* @return 语言包
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*/
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public static LanguageMap fromURL(String url) {
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return fromURL(url, LanguageMapConfiguration.DEFAULT);
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}
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/**
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* 从在线页面读取语言包
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* @param url 页面地址
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* @param config 读取配置
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* @return 语言包
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*/
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public static LanguageMap fromURL(String url, LanguageMapConfiguration config) {
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return processFinal(config, T18nUtils.getOnlineContent(url));
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}
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private static final String[] UNREADABLE = new String[] { null, null };
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/** 处理单行翻译 */
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private static String[] process(LanguageMapConfiguration config, String s) {
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/* Empty Line */
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if (s == null || s.length() == 0) {
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return UNREADABLE;
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}
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/* Annotation */
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if (config.isAnnotation(s)) {
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return UNREADABLE;
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}
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String[] parts = s.split(config.getSplitter(s), 2);
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/* Part fewer than 2 */
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if(parts.length < 2) {
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return UNREADABLE;
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}
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/* The Key is Null */
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if (parts[0] == null || parts[0].length() == 0) {
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return UNREADABLE;
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}
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/* The Value is Null */
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if (parts[1] == null) {
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parts[1] = "null";
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}
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return parts;
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}
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private static boolean isUnreadable(String[] s) {
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return s[0] == null;
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}
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/** 将处理的结果整合到翻译表中 */
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private static LanguageMap processFinal(LanguageMapConfiguration config, List<String> lines) {
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final LanguageMap map = new LanguageMap();
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for (String s : lines) {
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String[] pair = process(config, s);
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if (!isUnreadable(pair)) {
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map.put(pair[0], pair[1]);
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}
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}
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return map;
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}
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}
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