/*

 * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 4257115

 * @summary Test URL encoder and decoder on a string that contains

 * characters within and beyond the 8859-1 range.

 *

 */

import java.io.*;

import java.net.*;

public class URLEncodeDecode {

    static char chars[] = {'H', 'e', 'l', 'l', 'o',

                           ' ', '+', '%',

                           '-', '_', '.',       '!', '~', '*', '\'', '(',

                           ')',

                           '@',

                           '\u00ae', '\u0101', '\u10a0'};

    static String str = new String(chars);

    static String correctEncodedUTF8 =

        "Hello+%2B%25-_.%21%7E*%27%28%29%40%C2%AE%C4%81%E1%82%A0";

    public static void main(String[] args) throws Exception {

        System.out.println("Constructed the string: " + str);

        System.out.println("The Unicode bytes are: " +

                           getHexBytes(str));

        System.out.println("");

        test("UTF-8", correctEncodedUTF8);

    }

    private static void test(String enc, String correctEncoded)

        throws Exception{

        String encoded = null;

        String outStr = null;

        if (enc == null) {

            encoded = URLEncoder.encode(str);

            outStr = "default";

        }

        else {

            encoded = URLEncoder.encode(str, enc);

            outStr = enc;

        }

        System.out.println("URLEncode it ("

                           + outStr + ") : " + encoded);

        System.out.println("The Unicode bytes are: " +

                           getHexBytes(encoded));

        if (encoded.equals(correctEncoded))

            System.out.println("The encoding is correct!");

        else {

            throw new Exception("The encoding is incorrect!" +

                                " It should be " + correctEncoded);

        }

        System.out.println("");

        String decoded = null;

        if (enc == null)

            decoded = URLDecoder.decode(encoded);

        else

            decoded = URLDecoder.decode(encoded, enc);

        System.out.println("URLDecode it ("

                           + outStr + ") : " + decoded);

        System.out.println("The Unicode bytes are: " +

                           getHexBytes(decoded));

        if (str.equals(decoded))

            System.out.println("The decoding is correct");

        else {

            throw new Exception("The decoded is not equal to the original");

        }

    }

    private static String getHexBytes(String s) throws Exception {

        StringBuffer sb = new StringBuffer();

        for (int i = 0; i < s.length(); i++) {

            int a = s.charAt(i);

            int b1 = (a >>8) & 0xff;

            int b2 = (byte)a;

            int b11 = (b1>>4) & 0x0f;

            int b12 = b1 & 0x0f;

            int b21 = (b2 >>4) & 0x0f;

            int b22 = b2 & 0x0f;

            sb.append(Integer.toHexString(b11));

            sb.append(Integer.toHexString(b12));

            sb.append(Integer.toHexString(b21));

            sb.append(Integer.toHexString(b22));

            sb.append(' ');

        }

        return sb.toString();

    }

}