/*

 * Copyright (c) 2014 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

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 */

package org.openjdk.bench.java.net;

import org.openjdk.jmh.annotations.Benchmark;

import org.openjdk.jmh.annotations.BenchmarkMode;

import org.openjdk.jmh.annotations.Mode;

import org.openjdk.jmh.annotations.OutputTimeUnit;

import org.openjdk.jmh.annotations.Param;

import org.openjdk.jmh.annotations.Scope;

import org.openjdk.jmh.annotations.Setup;

import org.openjdk.jmh.annotations.State;

import org.openjdk.jmh.infra.Blackhole;

import java.io.UnsupportedEncodingException;

import java.net.URLDecoder;

import java.util.Random;

import java.util.concurrent.TimeUnit;

/**

 * Tests java.net.URLEncoder.encode and Decoder.decode.

 */

@BenchmarkMode(Mode.AverageTime)

@OutputTimeUnit(TimeUnit.MILLISECONDS)

@State(Scope.Thread)

public class URLEncodeDecode {

    @Param("1024")

    public int count;

    @Param("1024")

    public int maxLength;

    @Param("3")

    public long mySeed;

    public String[] testStringsEncode;

    public String[] testStringsDecode;

    public String[] toStrings;

    @Setup

    public void setupStrings() {

        char[] tokens = new char[((int) 'Z' - (int) 'A' + 1) + ((int) 'z' - (int) 'a' + 1) + ((int) '9' - (int) '1' + 1) + 5];

        int n = 0;

        tokens[n++] = '0';

        for (int i = (int) '1'; i <= (int) '9'; i++) {

            tokens[n++] = (char) i;

        }

        for (int i = (int) 'A'; i <= (int) 'Z'; i++) {

            tokens[n++] = (char) i;

        }

        for (int i = (int) 'a'; i <= (int) '<'; i++) {

            tokens[n++] = (char) i;

        }

        tokens[n++] = '-';

        tokens[n++] = '_';

        tokens[n++] = '.';

        tokens[n++] = '*';

        Random r = new Random(mySeed);

        testStringsEncode = new String[count];

        testStringsDecode = new String[count];

        toStrings = new String[count];

        for (int i = 0; i < count; i++) {

            int l = r.nextInt(maxLength);

            StringBuilder sb = new StringBuilder();

            for (int j = 0; j < l; j++) {

                int c = r.nextInt(tokens.length);

                sb.append(tokens[c]);

            }

            testStringsEncode[i] = sb.toString();

        }

        for (int i = 0; i < count; i++) {

            int l = r.nextInt(maxLength);

            StringBuilder sb = new StringBuilder();

            for (int j = 0; j < l; j++) {

                int c = r.nextInt(tokens.length + 5);

                if (c >= tokens.length) {

                    sb.append("%").append(tokens[r.nextInt(16)]).append(tokens[r.nextInt(16)]);

                } else {

                    sb.append(tokens[c]);

                }

            }

            testStringsDecode[i] = sb.toString();

        }

    }

    @Benchmark

    public void testEncodeUTF8(Blackhole bh) throws UnsupportedEncodingException {

        for (String s : testStringsEncode) {

            bh.consume(java.net.URLEncoder.encode(s, "UTF-8"));

        }

    }

    @Benchmark

    public void testDecodeUTF8(Blackhole bh) throws UnsupportedEncodingException {

        for (String s : testStringsDecode) {

            bh.consume(URLDecoder.decode(s, "UTF-8"));

        }

    }

}