1 /*
   2  * Copyright (c) 2014 Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package org.openjdk.bench.java.net;
  26 
  27 import org.openjdk.jmh.annotations.Benchmark;
  28 import org.openjdk.jmh.annotations.BenchmarkMode;
  29 import org.openjdk.jmh.annotations.Mode;
  30 import org.openjdk.jmh.annotations.OutputTimeUnit;
  31 import org.openjdk.jmh.annotations.Param;
  32 import org.openjdk.jmh.annotations.Scope;
  33 import org.openjdk.jmh.annotations.Setup;
  34 import org.openjdk.jmh.annotations.State;
  35 import org.openjdk.jmh.infra.Blackhole;
  36 
  37 import java.io.UnsupportedEncodingException;
  38 import java.net.URLDecoder;
  39 import java.util.Random;
  40 import java.util.concurrent.TimeUnit;
  41 
  42 /**
  43  * Tests java.net.URLEncoder.encode and Decoder.decode.
  44  */
  45 @BenchmarkMode(Mode.AverageTime)
  46 @OutputTimeUnit(TimeUnit.MILLISECONDS)
  47 @State(Scope.Thread)
  48 public class URLEncodeDecode {
  49 
  50     @Param("1024")
  51     public int count;
  52 
  53     @Param("1024")
  54     public int maxLength;
  55 
  56     @Param("3")
  57     public long mySeed;
  58 
  59     public String[] testStringsEncode;
  60     public String[] testStringsDecode;
  61     public String[] toStrings;
  62 
  63     @Setup
  64     public void setupStrings() {
  65         char[] tokens = new char[((int) 'Z' - (int) 'A' + 1) + ((int) 'z' - (int) 'a' + 1) + ((int) '9' - (int) '1' + 1) + 5];
  66         int n = 0;
  67         tokens[n++] = '0';
  68         for (int i = (int) '1'; i <= (int) '9'; i++) {
  69             tokens[n++] = (char) i;
  70         }
  71         for (int i = (int) 'A'; i <= (int) 'Z'; i++) {
  72             tokens[n++] = (char) i;
  73         }
  74         for (int i = (int) 'a'; i <= (int) '<'; i++) {
  75             tokens[n++] = (char) i;
  76         }
  77         tokens[n++] = '-';
  78         tokens[n++] = '_';
  79         tokens[n++] = '.';
  80         tokens[n++] = '*';
  81 
  82         Random r = new Random(mySeed);
  83         testStringsEncode = new String[count];
  84         testStringsDecode = new String[count];
  85         toStrings = new String[count];
  86         for (int i = 0; i < count; i++) {
  87             int l = r.nextInt(maxLength);
  88             StringBuilder sb = new StringBuilder();
  89             for (int j = 0; j < l; j++) {
  90                 int c = r.nextInt(tokens.length);
  91                 sb.append(tokens[c]);
  92             }
  93             testStringsEncode[i] = sb.toString();
  94         }
  95 
  96         for (int i = 0; i < count; i++) {
  97             int l = r.nextInt(maxLength);
  98             StringBuilder sb = new StringBuilder();
  99             for (int j = 0; j < l; j++) {
 100                 int c = r.nextInt(tokens.length + 5);
 101                 if (c >= tokens.length) {
 102                     sb.append("%").append(tokens[r.nextInt(16)]).append(tokens[r.nextInt(16)]);
 103                 } else {
 104                     sb.append(tokens[c]);
 105                 }
 106             }
 107             testStringsDecode[i] = sb.toString();
 108         }
 109     }
 110 
 111     @Benchmark
 112     public void testEncodeUTF8(Blackhole bh) throws UnsupportedEncodingException {
 113         for (String s : testStringsEncode) {
 114             bh.consume(java.net.URLEncoder.encode(s, "UTF-8"));
 115         }
 116     }
 117 
 118     @Benchmark
 119     public void testDecodeUTF8(Blackhole bh) throws UnsupportedEncodingException {
 120         for (String s : testStringsDecode) {
 121             bh.consume(URLDecoder.decode(s, "UTF-8"));
 122         }
 123     }
 124 
 125 
 126 }