Java URL Decode urlDecode(String scope)

Description

Performs url decoding.

License

Open Source License

Declaration

public static String urlDecode(String scope) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    /** Performs url decoding.
     */*www .  j a v a2 s.c  o  m*/
     * This utility function percent encodes a text so that it can be
     * embodied verbatim in a URL (e.g. as a fragment).
     *
     * @see #urlEncode(String scope)
     */
    public static String urlDecode(String scope) {
        StringBuffer result = new StringBuffer();

        for (int i = 0; i < scope.length(); ++i) {
            char c = scope.charAt(i);

            if (c == '+') {
                result.append(' ');
            } else if (c == '%' && i + 2 < scope.length()) {
                int start = i + 1;
                String h = scope.substring(start, start + 2);
                try {
                    long hval = Long.parseLong(h, 16);
                    result.append("" + (byte) hval);
                } catch (NumberFormatException nfe) {
                    result.append(c);
                }
            } else {
                result.append(c);
            }
        }

        return result.toString();
    }
}

Related

1. safeDecode(String s)
2. unescape(String s)
3. unescape(String string)
4. unescape(String theString)
5. urlDecode(String s)
6. URLDecode(String str)
7. urldecode(String str)
8. urlDecode(String str)
9. urlDecode(String text)