[+] 添加了从在线网站读取的方法

1. 添加了从在线网站读取的方法
2. 移动了部分方法到 T18nUtils 里

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

@@ -1,5 +1,6 @@
 package cn.glycol.t18n;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 
 public class LanguageMap extends HashMap<String, String> {
@@ -10,4 +11,21 @@ public class LanguageMap extends HashMap<String, String> {
 		return super.getOrDefault(key, key.toString());
 	}
 	
+	public ArrayList<String> getAllKeyValuePairs() {
+		
+		ArrayList<String> list = new ArrayList<String>();
+		for(Entry<String, String> set : this.entrySet()) {
+			String key = set.getKey();
+			String val = set.getValue();
+			String line;
+			
+			if(key != null && !key.equals("")) {
+				line = key + "=" + val;
+				list.add(line);
+			}
+		}
+		
+		return list;
+	}
+	
 }

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

@@ -5,8 +5,6 @@ import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
-import java.nio.charset.Charset;
-import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -15,103 +13,107 @@ 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);
+
+		List<String> lines = T18nUtils.getLocalContent(langFile);
+		return processFinal(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 new ArrayList<>();
-	}
-	
-	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;
-	}
-	
+
 	public static LanguageMap fromJarResource(String path) {
 		return fromJarResource(path, LanguageMapConfiguration.DEFAULT);
 	}
 
 	public static LanguageMap fromJarResource(String path, LanguageMapConfiguration config) {
-		
+
 		InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream(path);
-		if(is == null) {
+		if (is == null) {
 			return new LanguageMap();
 		}
-		
+
 		BufferedReader br = new BufferedReader(new InputStreamReader(is));
-		
+
 		String cache;
 		List<String> strs = new ArrayList<>();
-		
+
 		try {
-			while(true) {
-				if((cache = br.readLine()) != null) {
+			while (true) {
+				if ((cache = br.readLine()) != null) {
 					strs.add(cache);
 				} else {
 					break;
 				}
 			}
-		} catch(IOException e) {
-			
+		} catch (IOException e) {
+
 		}
-		
-		return getLanguageMapFromLines(config, strs);
-		
+
+		return processFinal(config, strs);
+
 	}
 	
+	public static LanguageMap fromURL(String url) {
+		return fromURL(url, LanguageMapConfiguration.DEFAULT);
+	}
+	
+	public static LanguageMap fromURL(String url, LanguageMapConfiguration config) {
+		return processFinal(config, T18nUtils.getOnlineContent(url));
+	}
+
+	private static final String[] UNREADABLE = new String[] { null, null };
+
+	/** 处理单行翻译 */
+	private static String[] process(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);
+		
+		/* Part fewer than 2 */
+		if(parts.length < 2) {
+			return UNREADABLE;
+		}
+
+		/* 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;
+	}
+	
+	/** 将处理的结果整合到翻译表中 */
+	private static LanguageMap processFinal(LanguageMapConfiguration config, List<String> lines) {
+
+		final LanguageMap map = new LanguageMap();
+
+		for (String s : lines) {
+			String[] pair = process(config, s);
+			if (!isUnreadable(pair)) {
+				map.put(pair[0], pair[1]);
+			}
+		}
+
+		return map;
+
+	}
+
 }

src/main/java/cn/glycol/t18n/T18nUtils.java

@@ -0,0 +1,88 @@
+package cn.glycol.t18n;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+
+public class T18nUtils {
+
+	/** 从在线网站上读取内容 */
+	public static List<String> getOnlineContent(String _url) {
+		
+		URL url;
+		try {
+			url = new URL(_url);
+		} catch(MalformedURLException e) {
+			e.printStackTrace();
+			return Collections.emptyList();
+		}
+		
+		try {
+			HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+			InputStream is = conn.getInputStream();
+			BufferedReader br = new BufferedReader(new InputStreamReader(is));
+			List<String> lines = new ArrayList<String>();
+			String s;
+			while((s = br.readLine()) != null) {
+				lines.add(s);
+			}
+			is.close();
+			br.close();
+			return lines;
+		} catch (IOException e) {
+			e.printStackTrace();
+			return Collections.emptyList();
+		}
+		
+	}
+	
+	/** 从本地文件读取内容 */
+	public static List<String> getLocalContent(File file) {
+		if (file.isFile()) {
+			try {
+				return Files.readAllLines(file.toPath(), Charset.forName("UTF-8"));
+			} catch (Exception e) {
+
+			}
+		}
+		return new ArrayList<>();
+	}
+	
+	/** 保存翻译表到文件 */
+	public static void saveLanguageMap(LanguageMap map, File file) {
+		
+		Objects.requireNonNull(map);
+		Objects.requireNonNull(file);
+		
+		try {
+			
+			String content = I18n.flattenList(map.getAllKeyValuePairs());
+			
+			if(!file.exists()) {
+				file.getParentFile().mkdirs();
+				file.createNewFile();
+			}
+			
+			FileWriter fw = new FileWriter(file);
+			fw.write(content);
+			fw.close();
+			
+		} catch (Exception e) {
+			System.err.println("Unable to write "+file);
+		}
+		
+	}
+	
+}