/**
* Utf8URL
*
* @param s
* @return
*/
public static String Utf8URLencode(String text) {
StringBuffer result = new StringBuffer();
for (int i = 0; i < text.length(); i++) {
char c = text.charAt(i);
if (c >= 0 && c <= 255) {
if (c == 32)
result.append("+");
result.append(c);
} else {
byte[] b = new byte[0];
try {
b = Character.toString(c).getBytes("UTF-8");
} catch (Exception ex) {
}
for (int j = 0; j < b.length; j++) {
int k = b[j];
if (k < 0)
k += 256;
result.append("%" + Integer.toHexString(k).toUpperCase());
}
}
}
return result.toString();
}
/**
* Utf8URL
*
* @param text
* @return
*/
public String Utf8URLdecode(String text) {
String result = "";
int p = 0;
if (text != null && text.length() > 0) {
text = text.toLowerCase();
p = text.indexOf("%e");
if (p == -1)
return text;
while (p != -1) {
result += text.substring(0, p);
text = text.substring(p, text.length());
if (text == "" || text.length() < 9)
return result;
result += CodeToWord(text.substring(0, 9));
text = text.substring(9, text.length());
p = text.indexOf("%e");
}
}
return result + text;
}
/**
* utf8URL
*
* @param text
* @return
*/
private String CodeToWord(String text) {
String result;
if (Utf8codeCheck(text)) {
byte[] code = new byte[3];
code[0] = (byte) (Integer.parseInt(text.substring(1, 3), 16) - 256);
code[1] = (byte) (Integer.parseInt(text.substring(4, 6), 16) - 256);
code[2] = (byte) (Integer.parseInt(text.substring(7, 9), 16) - 256);
try {
result = new String(code, "UTF-8");
} catch (UnsupportedEncodingException ex) {
result = null;
}
} else {
result = text;
}
return result;
}
/**
*
*
* @param text
* @return
*/
private boolean Utf8codeCheck(String text) {
String sign = "";
if (text.startsWith("%e"))
for (int i = 0, p = 0; p != -1; i++) {
p = text.indexOf("%", p);
if (p != -1)
p++;
sign += p;
}
return sign.equals("147-1");
}
/**
* Utf8Url
*
* @param text
* @return
*/
public boolean isUtf8Url(String text) {
text = text.toLowerCase();
int p = text.indexOf("%");
if (p != -1 && text.length() - p > 9) {
text = text.substring(p, p + 9);
}
return Utf8codeCheck(text);
}