import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
public class Ascii2NativeUtils {
/**
* prefix of ascii string of native character
*/
private static String PREFIX = "//u";
/**
* Ascii to native string. It's same as execut native2ascii.exe -reverse.
*
* @param str
* ascii string
* @return native string
*/
public static String ascii2Native(String str) {
StringBuilder sb = new StringBuilder();
int begin = 0;
int index = str.indexOf(PREFIX);
while (index != -1) {
sb.append(str.substring(begin, index));
sb.append(ascii2Char(str.substring(index, index + 6)));
begin = index + 6;
index = str.indexOf(PREFIX, begin);
}
sb.append(str.substring(begin));
return sb.toString();
}
/**
* Ascii to native character.
*
* @param str
* ascii string
* @return native character
*/
private static char ascii2Char(String str) {
if (str.length() != 6) {
throw new IllegalArgumentException(
"Ascii string of a native character must be 6 character.");
}
if (!PREFIX.equals(str.substring(0, 2))) {
throw new IllegalArgumentException(
"Ascii string of a native character must start with /"//u/".");
}
String tmp = str.substring(2, 4);
int code = Integer.parseInt(tmp, 16) << 8;
tmp = str.substring(4, 6);
code += Integer.parseInt(tmp, 16);
return (char) code;
}
public static void main(String[] args) {
File file = new File("E://eclipse//PDE-eclipse//eclipse//workspace//" +
"org.trustie.loong.pde.ds.ui.nl_zh//src//org//trustie//loong//pde//ds//ui//messages_zh.properties");
BufferedReader reader = null;
try {
System.out.println("以行爲單位讀取文件內容,一次讀一整行:");
reader = new BufferedReader(new FileReader(file));
String tempString = null;
int line = 1;
// 一次讀入一行,直到讀入null爲文件結束
while ((tempString = reader.readLine()) != null) {
// 顯示行號
// System.out.println("line " + line + ": " + tempString);
// line++;
System.out.println(ascii2Native(tempString));
}
reader.close();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e1) {
}
}
}
// String ascii = "";
// System.out.println(ascii2Native(ascii));
}
}
-----------------------------------------------------------------------------------
public class Native2AsciiUtils {
/**
* prefix of ascii string of native character
*/
private static String PREFIX = "//u";
/**
* Native to ascii string. It's same as execut native2ascii.exe.
*
* @param str
* native string
* @return ascii string
*/
public static String native2Ascii(String str) {
char[] chars = str.toCharArray();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < chars.length; i++) {
sb.append(char2Ascii(chars[i]));
}
return sb.toString();
}
/**
* Native character to ascii string.
*
* @param c
* native character
* @return ascii string
*/
private static String char2Ascii(char c) {
if (c > 255) {
StringBuilder sb = new StringBuilder();
sb.append(PREFIX);
int code = (c >> 8);
String tmp = Integer.toHexString(code);
if (tmp.length() == 1) {
sb.append("0");
}
sb.append(tmp);
code = (c & 0xFF);
tmp = Integer.toHexString(code);
if (tmp.length() == 1) {
sb.append("0");
}
sb.append(tmp);
return sb.toString();
} else {
return Character.toString(c);
}
}
/**
* @param args
*/
public static void main(String[] args) {
String ss = "哈哈";
System.out.println(native2Ascii(ss));
}
}