/*
* Copyright (c) 2000, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.
*
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package build.tools.javazic;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.SortedMap;
import java.util.TreeMap;
import java.util.TreeSet;
/**
* <code>Simple</code> generates TimeZoneData, which had been used as internal
* data of TimeZone before J2SDK1.3.
* Since J2SDK1.4 doesn't need TimeZoneData, this class is for maintenance
* of old JDK release.
*/
class Simple extends BackEnd {
/**
* Zone records which are applied for given year.
*/
private static Map<String,ZoneRec> lastZoneRecs
= new HashMap<String,ZoneRec>();
/**
* Rule records which are applied for given year.
*/
private static Map<String,List<RuleRec>> lastRules
= new TreeMap<String,List<RuleRec>>();
/**
* zone IDs sorted by their GMT offsets. If zone's GMT
* offset will change in the future, its last known offset is
* used.
*/
private SortedMap<Integer, Set<String>> zonesByOffset
= new TreeMap<Integer, Set<String>>();
/**
* Sets last Rule records and Zone records for given timezone to
* each Map.
*
* @param tz Timezone object for each zone
* @return always 0
*/
int processZoneinfo(Timezone tz) {
String zonename = tz.getName();
lastRules.put(zonename, tz.getLastRules());
lastZoneRecs.put(zonename, tz.getLastZoneRec());
// Populate zonesByOffset. (Zones that will change their
// GMT offsets are also added to zonesByOffset here.)
int lastKnownOffset = tz.getRawOffset();
Set<String> set = zonesByOffset.get(lastKnownOffset);
if (set == null) {
set = new TreeSet<String>();
zonesByOffset.put(lastKnownOffset, set);
}
set.add(zonename);
return 0;
}
/**
* Generates TimeZoneData to output SimpleTimeZone data.
* @param map Mappings object which is generated by {@link Main#compile}.
* @return 0 if no error occurred, otherwise 1.
*/
int generateSrc(Mappings map) {
try {
String outputDir = Main.getOutputDir();
File outD = new File(outputDir);
if (!outputDir.endsWith(File.separator)) {
outputDir += outD.separator;
}
outD.mkdirs();
FileWriter fw =
new FileWriter(outputDir + "TimeZoneData.java", false);
BufferedWriter out = new BufferedWriter(fw);
out.write("import java.util.SimpleTimeZone;\n\n");
out.write(" static SimpleTimeZone zones[] = {\n");
Map<String,String> a = map.getAliases();
List<Integer> roi = map.getRawOffsetsIndex();
List<Set<String>> roit = map.getRawOffsetsIndexTable();
int index = 0;
for (int offset : zonesByOffset.keySet()) {
int o = roi.get(index);
Set<String> set = zonesByOffset.get(offset);
if (offset == o) {
// Merge aliases into zonesByOffset
set.addAll(roit.get(index));
}
index++;
for (String key : set) {
ZoneRec zrec;
String realname;
List<RuleRec> stz;
if ((realname = a.get(key)) != null) {
// if this alias is not targeted, ignore it.
if (!Zone.isTargetZone(key)) {
continue;
}
stz = lastRules.get(realname);
zrec = lastZoneRecs.get(realname);
} else {
stz = lastRules.get(key);
zrec = lastZoneRecs.get(key);
}
out.write("\t//--------------------------------------------------------------------\n");
String s = Time.toFormedString(offset);
out.write("\tnew SimpleTimeZone(" +
Time.toFormedString(offset) + ", \"" + key + "\"");
if (realname != null) {
out.write(" /* " + realname + " */");
}
if (stz == null) {
out.write("),\n");
} else {
RuleRec rr0 = stz.get(0);
RuleRec rr1 = stz.get(1);
out.write(",\n\t " + Month.toString(rr0.getMonthNum()) +
", " + rr0.getDay().getDayForSimpleTimeZone() + ", " +
rr0.getDay().getDayOfWeekForSimpleTimeZone() + ", " +
Time.toFormedString((int)rr0.getTime().getTime()) + ", " +
rr0.getTime().getTypeForSimpleTimeZone() + ",\n" +
"\t " + Month.toString(rr1.getMonthNum()) + ", " +
rr1.getDay().getDayForSimpleTimeZone() + ", " +
rr1.getDay().getDayOfWeekForSimpleTimeZone() + ", " +
Time.toFormedString((int)rr1.getTime().getTime())+ ", " +
rr1.getTime().getTypeForSimpleTimeZone() + ",\n" +
"\t " + Time.toFormedString(rr0.getSave()) + "),\n");
out.write("\t// " + rr0.getLine() + "\n");
out.write("\t// " + rr1.getLine() + "\n");
}
String zline = zrec.getLine();
if (zline.indexOf("Zone") == -1) {
zline = "Zone " + key + "\t" + zline.trim();
}
out.write("\t// " + zline + "\n");
}
}
out.write(" };\n");
out.close();
fw.close();
} catch(IOException e) {
Main.panic("IO error: "+e.getMessage());
return 1;
}
return 0;
}
}