1 /* |
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2 * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 /* |
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24 * |
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25 */ |
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26 |
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27 /* |
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28 * This class is used by ExpirationTest.sh. See the timing information in |
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29 * the shell script. |
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30 */ |
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31 |
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32 import java.util.*; |
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33 |
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34 public class ExpirationTest { |
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35 static final Locale AUSTRIA = new Locale("de", "AT"); |
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36 static String format; |
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37 static String fileType; |
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38 |
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39 public static void main(String[] args) { |
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40 // If -latency is specified, try sleeping for 3 seconds 3 |
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41 // times to see its latency. If the latency is too large, then |
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42 // the program exits with 2. (See sleep()) |
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43 if ("-latency".equals(args[0])) { |
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44 System.out.print("Checking latency... "); |
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45 for (int i = 0; i < 3; i++) { |
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46 sleep(3); |
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47 } |
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48 System.out.println("done"); |
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49 System.exit(0); |
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50 } |
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51 |
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52 format = args[0]; |
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53 fileType = args[1]; |
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54 |
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55 Locale loc = Locale.getDefault(); |
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56 try { |
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57 Locale.setDefault(Locale.JAPAN); |
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58 ResourceBundle.Control control = new TestControl(); |
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59 ResourceBundle rb = ResourceBundle.getBundle("ExpirationData", Locale.GERMAN, |
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60 control); |
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61 check(rb.getString("data"), "German"); |
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62 |
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63 rb = ResourceBundle.getBundle("ExpirationData", AUSTRIA, control); |
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64 check(rb.getString("january"), "Januar"); |
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65 |
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66 // Wait until the instance gets expired in the cache in 7 seconds. |
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67 sleep(7); |
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68 |
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69 // At this point, it should be determined that reloading is not needed. |
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70 rb = ResourceBundle.getBundle("ExpirationData", Locale.GERMAN, control); |
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71 check(rb.getString("data"), "German"); |
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72 |
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73 rb = ResourceBundle.getBundle("ExpirationData", AUSTRIA, control); |
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74 check(rb.getString("january"), "Januar"); |
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75 |
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76 // Wait until the instance in the cache gets expired again and |
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77 // ExpirationData_de gets updated. |
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78 // 33 = 40 - 7 (See the timing chart in ExpirationTest.sh) |
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79 sleep(33); |
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80 |
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81 // At this point, getBundle must reload the updated |
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82 // ExpirationData_de and ExpirationData_de_AT must be |
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83 // avaible. |
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84 |
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85 rb = ResourceBundle.getBundle("ExpirationData", Locale.GERMAN, control); |
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86 try { |
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87 check(rb.getString("data"), "Deutsch"); |
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88 } catch (RuntimeException e) { |
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89 if (format.equals("class")) { |
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90 // Class loader doesn't load updated classes. |
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91 System.out.println("Known class limitation: " + e.getMessage()); |
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92 } |
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93 } |
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94 |
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95 rb = ResourceBundle.getBundle("ExpirationData", AUSTRIA, control); |
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96 try { |
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97 check(rb.getString("january"), "J\u00e4nner"); |
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98 } catch (RuntimeException e) { |
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99 if (fileType.equals("jar")) { |
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100 // Jar doesn't load new entries. |
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101 System.out.println("Known jar limitation: " + e.getMessage()); |
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102 } else { |
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103 throw e; |
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104 } |
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105 } |
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106 } finally { |
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107 Locale.setDefault(loc); |
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108 } |
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109 } |
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110 |
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111 private static void check(String s, String expected) { |
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112 String time = getTime(); |
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113 if (!s.equals(expected)) { |
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114 throw new RuntimeException("got '" + s + "', expected '" + expected + "' at " |
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115 + time); |
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116 } |
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117 System.out.println("ExpirationTest: got '" + s + "' at " + time); |
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118 } |
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119 |
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120 private static void sleep(int seconds) { |
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121 long millis = seconds * 1000; |
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122 long start = System.currentTimeMillis(); |
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123 try { |
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124 Thread.sleep(millis); |
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125 } catch (InterruptedException e) { |
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126 } |
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127 long end = System.currentTimeMillis(); |
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128 long latency = end - start - millis; |
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129 // If the latecy is more than 1% of the requested sleep time, |
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130 // then give up the testing. |
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131 if (latency > millis/100) { |
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132 System.err.printf("Latency is too large: slept for %d [ms], " |
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133 + "expected %d [ms] latency rate: %+.2f%% (expected not more than 1%%)%n" |
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134 + "exiting...%n", |
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135 end - start, millis, (double)latency*100.0/millis); |
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136 System.exit(2); |
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137 } |
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138 } |
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139 |
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140 private static final String getTime() { |
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141 return new Date().toString().substring(11, 19); |
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142 } |
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143 |
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144 private static class TestControl extends ResourceBundle.Control { |
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145 @Override |
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146 public long getTimeToLive(String name, Locale loc) { |
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147 return 5000; // 5 seconds |
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148 } |
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149 |
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150 @Override |
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151 public ResourceBundle newBundle(String name, Locale loc, |
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152 String fmt, ClassLoader cl, boolean reload) |
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153 throws IllegalAccessException, InstantiationException, java.io.IOException { |
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154 ResourceBundle bundle = super.newBundle(name, loc, fmt, cl, reload); |
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155 if (bundle != null) { |
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156 System.out.println("newBundle: " + (reload ? "**re" : "") |
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157 + "loaded '" + toName(name, loc , fmt) + "' at " + getTime()); |
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158 } |
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159 return bundle; |
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160 } |
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161 |
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162 @Override |
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163 public boolean needsReload(String name, Locale loc, |
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164 String fmt, ClassLoader cl, |
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165 ResourceBundle rb, long time) { |
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166 boolean b = super.needsReload(name, loc, fmt, cl, rb, time); |
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167 System.out.println("needsReload: '" + b + "' for " + toName(name, loc, fmt) |
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168 + " at " + getTime()); |
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169 return b; |
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170 } |
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171 |
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172 private String toName(String name, Locale loc, String fmt) { |
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173 return toResourceName(toBundleName(name, loc), fmt.substring(5)); |
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174 } |
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175 } |
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176 } |
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