v1.0

src/main/java/cn/glycol/t18n/I18n.java

@@ -0,0 +1,31 @@
+package cn.glycol.t18n;
+
+public class I18n {
+
+	private static LanguageMap map;
+	
+	public static void setLanguageMap(LanguageMap map) {
+		I18n.map = map;
+	}
+	
+	public static String format(String key, Object...format) {
+		return tryFormat(getLanguageMapSafe().get(key), format);
+	}
+	
+	public static boolean hasKey(String key) {
+		return getLanguageMapSafe().containsKey(key);
+	}
+	
+	private static String tryFormat(String context, Object...format) {
+		try {
+			return String.format(context, format);
+		} catch (Exception e) {
+			return context;
+		}
+	}
+	
+	private static LanguageMap getLanguageMapSafe() {
+		return map == null ? new LanguageMap() : map;
+	}
+	
+}

src/main/java/cn/glycol/t18n/LanguageMap.java

@@ -0,0 +1,13 @@
+package cn.glycol.t18n;
+
+import java.util.HashMap;
+
+public class LanguageMap extends HashMap<String, String> {
+
+	private static final long serialVersionUID = 6462356389654896361L;
+
+	public String get(Object key) {
+		return super.getOrDefault(key, key.toString());
+	}
+	
+}

src/main/java/cn/glycol/t18n/LanguageMapBuilder.java

@@ -0,0 +1,82 @@
+package cn.glycol.t18n;
+
+import java.io.File;
+import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.util.List;
+
+import com.google.common.collect.Lists;
+
+public class LanguageMapBuilder {
+
+	public static LanguageMap fromFile(File langFile) {
+		return fromFile(langFile, LanguageMapConfiguration.DEFAULT);
+	}
+	
+	public static LanguageMap fromFile(File langFile, LanguageMapConfiguration config) {
+		
+		List<String> lines = getLinesFromFile(langFile);
+		return getLanguageMapFromLines(config, lines);
+	}
+	
+	private static List<String> getLinesFromFile(File file) {
+		if(file.isFile()) {
+			try {
+				return Files.readAllLines(file.toPath(), Charset.forName("UTF-8"));
+			} catch (Exception e) {
+				
+			}
+		}
+		return Lists.<String>newArrayList();
+	}
+	
+	private static LanguageMap getLanguageMapFromLines(LanguageMapConfiguration config, List<String> lines) {
+		
+		final LanguageMap map = new LanguageMap();
+		
+		for(String s : lines) {
+			String[] pair = getLanguageMapFromLine(config, s);
+			if(!isUnreadable(pair)) {
+				map.put(pair[0], pair[1]);
+			}
+		}
+		
+		return map;
+		
+	}
+	
+	private static final String[] UNREADABLE = new String[] {null, null};
+	
+	private static String[] getLanguageMapFromLine(LanguageMapConfiguration config, String s) {
+		
+		/* Empty Line */
+		if(s == null || s.length() == 0) {
+			return UNREADABLE;
+		}
+		
+		/* Annotation */
+		if(config.isAnnotation(s)) {
+			return UNREADABLE;
+		}
+		
+		String[] parts = s.split(config.getSplitter(s), 2);
+		
+		/* The Key is Null */
+		if(parts[0] == null || parts[0].length() == 0) {
+			return UNREADABLE;
+		}
+		
+		/* The Value is Null */
+		if(parts[1] == null) {
+			parts[1] = "null";
+		}
+		
+		return parts;
+		
+	}
+	
+	private static boolean isUnreadable(String[] s) {
+		return s[0] == null;
+	}
+	
+}

src/main/java/cn/glycol/t18n/LanguageMapConfiguration.java

@@ -0,0 +1,22 @@
+package cn.glycol.t18n;
+
+public interface LanguageMapConfiguration {
+
+	public String getSplitter(String s);
+	public boolean isAnnotation(String s);
+	
+	public static final LanguageMapConfiguration DEFAULT = new LanguageMapConfiguration() {
+		
+		@Override
+		public String getSplitter(String s) {
+			return "=";
+		}
+		
+		@Override
+		public boolean isAnnotation(String s) {
+			return s.startsWith("#");
+		}
+		
+	};
+	
+}