Android UTF8 to GB2312 Convert utf8Togb2312(String str)

Description

utf Togb

Declaration

public static String utf8Togb2312(String str) 

Method Source Code

//package com.java2s;

public class Main {
    public static String utf8Togb2312(String str) {
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < str.length(); i++) {
            char c = str.charAt(i);
            switch (c) {
            case '+':
                sb.append(' ');
                break;
            case '%':
                try {
                    sb.append((char) Integer.parseInt(
                            str.substring(i + 1, i + 3), 16));
                } catch (NumberFormatException e) {
                    throw new IllegalArgumentException();
                }//from ww  w .j a va 2s .c  o m
                i += 2;
                break;
            default:
                sb.append(c);
                break;
            }
        }
        // Undo conversion to external encoding
        String result = sb.toString();
        String res = null;
        try {
            byte[] inputBytes = result.getBytes("8859_1");
            res = new String(inputBytes, "UTF-8");
        } catch (Exception e) {
        }
        return res;
    }
}