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1 /* |
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2 * Copyright (c) 2000, 2011, 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. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 import java.io.BufferedWriter; |
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27 import java.io.File; |
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28 import java.io.FileWriter; |
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29 import java.io.IOException; |
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30 import java.util.HashMap; |
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31 import java.util.List; |
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32 import java.util.Map; |
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33 import java.util.Set; |
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34 import java.util.SortedMap; |
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35 import java.util.TreeMap; |
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36 import java.util.TreeSet; |
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37 |
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38 /** |
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39 * <code>Simple</code> generates TimeZoneData, which had been used as internal |
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40 * data of TimeZone before J2SDK1.3. |
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41 * Since J2SDK1.4 doesn't need TimeZoneData, this class is for maintenance |
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42 * of old JDK release. |
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43 */ |
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44 class Simple extends BackEnd { |
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45 |
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46 /** |
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47 * Zone records which are applied for given year. |
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48 */ |
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49 private static Map<String,ZoneRec> lastZoneRecs = new HashMap<>(); |
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50 |
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51 /** |
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52 * Rule records which are applied for given year. |
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53 */ |
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54 private static Map<String,List<RuleRec>> lastRules = new TreeMap<>(); |
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55 |
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56 /** |
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57 * zone IDs sorted by their GMT offsets. If zone's GMT |
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58 * offset will change in the future, its last known offset is |
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59 * used. |
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60 */ |
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61 private SortedMap<Integer, Set<String>> zonesByOffset = new TreeMap<>(); |
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62 |
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63 /** |
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64 * Sets last Rule records and Zone records for given timezone to |
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65 * each Map. |
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66 * |
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67 * @param tz Timezone object for each zone |
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68 * @return always 0 |
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69 */ |
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70 int processZoneinfo(Timezone tz) { |
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71 String zonename = tz.getName(); |
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72 |
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73 lastRules.put(zonename, tz.getLastRules()); |
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74 lastZoneRecs.put(zonename, tz.getLastZoneRec()); |
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75 |
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76 // Populate zonesByOffset. (Zones that will change their |
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77 // GMT offsets are also added to zonesByOffset here.) |
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78 int lastKnownOffset = tz.getRawOffset(); |
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79 Set<String> set = zonesByOffset.get(lastKnownOffset); |
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80 if (set == null) { |
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81 set = new TreeSet<>(); |
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82 zonesByOffset.put(lastKnownOffset, set); |
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83 } |
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84 set.add(zonename); |
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85 |
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86 return 0; |
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87 } |
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88 |
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89 /** |
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90 * Generates TimeZoneData to output SimpleTimeZone data. |
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91 * @param map Mappings object which is generated by {@link Main#compile}. |
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92 * @return 0 if no error occurred, otherwise 1. |
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93 */ |
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94 int generateSrc(Mappings map) { |
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95 try { |
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96 File outD = new File(Main.getOutputDir()); |
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97 outD.mkdirs(); |
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98 |
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99 FileWriter fw = |
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100 new FileWriter(new File(outD, "TimeZoneData.java"), false); |
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101 BufferedWriter out = new BufferedWriter(fw); |
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102 |
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103 out.write("import java.util.SimpleTimeZone;\n\n"); |
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104 out.write(" static SimpleTimeZone zones[] = {\n"); |
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105 |
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106 Map<String,String> a = map.getAliases(); |
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107 List<Integer> roi = map.getRawOffsetsIndex(); |
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108 List<Set<String>> roit = map.getRawOffsetsIndexTable(); |
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109 |
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110 int index = 0; |
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111 for (int offset : zonesByOffset.keySet()) { |
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112 int o = roi.get(index); |
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113 Set<String> set = zonesByOffset.get(offset); |
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114 if (offset == o) { |
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115 // Merge aliases into zonesByOffset |
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116 set.addAll(roit.get(index)); |
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117 } |
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118 index++; |
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119 |
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120 for (String key : set) { |
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121 ZoneRec zrec; |
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122 String realname; |
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123 List<RuleRec> stz; |
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124 if ((realname = a.get(key)) != null) { |
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125 // if this alias is not targeted, ignore it. |
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126 if (!Zone.isTargetZone(key)) { |
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127 continue; |
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128 } |
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129 stz = lastRules.get(realname); |
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130 zrec = lastZoneRecs.get(realname); |
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131 } else { |
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132 stz = lastRules.get(key); |
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133 zrec = lastZoneRecs.get(key); |
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134 } |
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135 |
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136 out.write("\t//--------------------------------------------------------------------\n"); |
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137 String s = Time.toFormedString(offset); |
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138 out.write("\tnew SimpleTimeZone(" + |
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139 Time.toFormedString(offset) + ", \"" + key + "\""); |
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140 if (realname != null) { |
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141 out.write(" /* " + realname + " */"); |
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142 } |
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143 |
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144 if (stz == null) { |
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145 out.write("),\n"); |
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146 } else { |
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147 RuleRec rr0 = stz.get(0); |
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148 RuleRec rr1 = stz.get(1); |
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149 |
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150 out.write(",\n\t " + Month.toString(rr0.getMonthNum()) + |
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151 ", " + rr0.getDay().getDayForSimpleTimeZone() + ", " + |
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152 rr0.getDay().getDayOfWeekForSimpleTimeZone() + ", " + |
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153 Time.toFormedString((int)rr0.getTime().getTime()) + ", " + |
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154 rr0.getTime().getTypeForSimpleTimeZone() + ",\n" + |
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155 |
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156 "\t " + Month.toString(rr1.getMonthNum()) + ", " + |
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157 rr1.getDay().getDayForSimpleTimeZone() + ", " + |
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158 rr1.getDay().getDayOfWeekForSimpleTimeZone() + ", " + |
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159 Time.toFormedString((int)rr1.getTime().getTime())+ ", " + |
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160 rr1.getTime().getTypeForSimpleTimeZone() + ",\n" + |
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161 |
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162 "\t " + Time.toFormedString(rr0.getSave()) + "),\n"); |
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163 |
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164 out.write("\t// " + rr0.getLine() + "\n"); |
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165 out.write("\t// " + rr1.getLine() + "\n"); |
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166 } |
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167 |
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168 String zline = zrec.getLine(); |
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169 if (zline.indexOf("Zone") == -1) { |
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170 zline = "Zone " + key + "\t" + zline.trim(); |
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171 } |
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172 out.write("\t// " + zline + "\n"); |
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173 } |
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174 } |
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175 out.write(" };\n"); |
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176 |
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177 out.close(); |
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178 fw.close(); |
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179 } catch(IOException e) { |
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180 Main.panic("IO error: "+e.getMessage()); |
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181 return 1; |
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182 } |
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183 |
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184 return 0; |
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185 } |
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186 } |