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/*
* Copyright 2001-2013 Stephen Colebourne
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.joda.time.tz;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.StringTokenizer;
import java.util.TreeMap;
import java.util.Map.Entry;
import org.joda.time.Chronology;
import org.joda.time.DateTime;
import org.joda.time.DateTimeField;
import org.joda.time.DateTimeZone;
import org.joda.time.LocalDate;
import org.joda.time.MutableDateTime;
import org.joda.time.chrono.ISOChronology;
import org.joda.time.chrono.LenientChronology;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.ISODateTimeFormat;
/**
* Compiles Olson ZoneInfo database files into binary files for each time zone
* in the database. {@link DateTimeZoneBuilder} is used to construct and encode
* compiled data files. {@link ZoneInfoProvider} loads the encoded files and
* converts them back into {@link DateTimeZone} objects.
*
* Although this tool is similar to zic, the binary formats are not
* compatible. The latest Olson database files may be obtained
* here.
*
* ZoneInfoCompiler is mutable and not thread-safe, although the main method
* may be safely invoked by multiple threads.
*
* @author Brian S O'Neill
* @since 1.0
*/
public class ZoneInfoCompiler {
static DateTimeOfYear cStartOfYear;
static Chronology cLenientISO;
static ThreadLocal cVerbose = new ThreadLocal();
static {
cVerbose.set(Boolean.FALSE);
}
/**
* Gets a flag indicating that verbose logging is required.
* @return true to log verbosely
*/
public static boolean verbose() {
return cVerbose.get();
}
//-----------------------------------------------------------------------
/**
* Launches the ZoneInfoCompiler tool.
*
*
* Usage: java org.joda.time.tz.ZoneInfoCompiler <options> <source files>
* where possible options include:
* -src <directory> Specify where to read source files
* -dst <directory> Specify where to write generated files
* -verbose Output verbosely (default false)
*
*/
public static void main(String[] args) throws Exception {
if (args.length == 0) {
printUsage();
return;
}
File inputDir = null;
File outputDir = null;
boolean verbose = false;
int i;
for (i=0; i= args.length) {
printUsage();
return;
}
File[] sources = new File[args.length - i];
for (int j=0; i");
System.out.println("where possible options include:");
System.out.println(" -src Specify where to read source files");
System.out.println(" -dst Specify where to write generated files");
System.out.println(" -verbose Output verbosely (default false)");
}
static DateTimeOfYear getStartOfYear() {
if (cStartOfYear == null) {
cStartOfYear = new DateTimeOfYear();
}
return cStartOfYear;
}
static Chronology getLenientISOChronology() {
if (cLenientISO == null) {
cLenientISO = LenientChronology.getInstance(ISOChronology.getInstanceUTC());
}
return cLenientISO;
}
/**
* @param zimap maps string ids to DateTimeZone objects.
*/
static void writeZoneInfoMap(DataOutputStream dout, Map zimap) throws IOException {
// Build the string pool.
Map idToIndex = new HashMap(zimap.size());
TreeMap indexToId = new TreeMap();
short count = 0;
for (Entry entry : zimap.entrySet()) {
String id = (String)entry.getKey();
if (!idToIndex.containsKey(id)) {
Short index = Short.valueOf(count);
idToIndex.put(id, index);
indexToId.put(index, id);
if (++count == 0) {
throw new InternalError("Too many time zone ids");
}
}
id = ((DateTimeZone)entry.getValue()).getID();
if (!idToIndex.containsKey(id)) {
Short index = Short.valueOf(count);
idToIndex.put(id, index);
indexToId.put(index, id);
if (++count == 0) {
throw new InternalError("Too many time zone ids");
}
}
}
// Write the string pool, ordered by index.
dout.writeShort(indexToId.size());
for (String id : indexToId.values()) {
dout.writeUTF(id);
}
// Write the mappings.
dout.writeShort(zimap.size());
for (Entry entry : zimap.entrySet()) {
String id = entry.getKey();
dout.writeShort(idToIndex.get(id).shortValue());
id = entry.getValue().getID();
dout.writeShort(idToIndex.get(id).shortValue());
}
}
static int parseYear(String str, int def) {
str = str.toLowerCase();
if (str.equals("minimum") || str.equals("min")) {
return Integer.MIN_VALUE;
} else if (str.equals("maximum") || str.equals("max")) {
return Integer.MAX_VALUE;
} else if (str.equals("only")) {
return def;
}
return Integer.parseInt(str);
}
static int parseMonth(String str) {
DateTimeField field = ISOChronology.getInstanceUTC().monthOfYear();
return field.get(field.set(0, str, Locale.ENGLISH));
}
static int parseDayOfWeek(String str) {
DateTimeField field = ISOChronology.getInstanceUTC().dayOfWeek();
return field.get(field.set(0, str, Locale.ENGLISH));
}
static String parseOptional(String str) {
return (str.equals("-")) ? null : str;
}
static int parseTime(String str) {
DateTimeFormatter p = ISODateTimeFormat.hourMinuteSecondFraction();
MutableDateTime mdt = new MutableDateTime(0, getLenientISOChronology());
int pos = 0;
if (str.startsWith("-")) {
pos = 1;
}
int newPos = p.parseInto(mdt, str, pos);
if (newPos == ~pos) {
throw new IllegalArgumentException(str);
}
int millis = (int)mdt.getMillis();
if (pos == 1) {
millis = -millis;
}
return millis;
}
static char parseZoneChar(char c) {
switch (c) {
case 's': case 'S':
// Standard time
return 's';
case 'u': case 'U': case 'g': case 'G': case 'z': case 'Z':
// UTC
return 'u';
case 'w': case 'W': default:
// Wall time
return 'w';
}
}
/**
* @return false if error.
*/
static boolean test(String id, DateTimeZone tz) {
if (!id.equals(tz.getID())) {
return true;
}
// Test to ensure that reported transitions are not duplicated.
long millis = ISOChronology.getInstanceUTC().year().set(0, 1850);
long end = ISOChronology.getInstanceUTC().year().set(0, 2050);
int offset = tz.getOffset(millis);
String key = tz.getNameKey(millis);
List transitions = new ArrayList();
while (true) {
long next = tz.nextTransition(millis);
if (next == millis || next > end) {
break;
}
millis = next;
int nextOffset = tz.getOffset(millis);
String nextKey = tz.getNameKey(millis);
if (offset == nextOffset
&& key.equals(nextKey)) {
System.out.println("*d* Error in " + tz.getID() + " "
+ new DateTime(millis,
ISOChronology.getInstanceUTC()));
return false;
}
if (nextKey == null || (nextKey.length() < 3 && !"??".equals(nextKey))) {
System.out.println("*s* Error in " + tz.getID() + " "
+ new DateTime(millis,
ISOChronology.getInstanceUTC())
+ ", nameKey=" + nextKey);
return false;
}
transitions.add(Long.valueOf(millis));
offset = nextOffset;
key = nextKey;
}
// Now verify that reverse transitions match up.
millis = ISOChronology.getInstanceUTC().year().set(0, 2050);
end = ISOChronology.getInstanceUTC().year().set(0, 1850);
for (int i=transitions.size(); --i>= 0; ) {
long prev = tz.previousTransition(millis);
if (prev == millis || prev < end) {
break;
}
millis = prev;
long trans = transitions.get(i).longValue();
if (trans - 1 != millis) {
System.out.println("*r* Error in " + tz.getID() + " "
+ new DateTime(millis,
ISOChronology.getInstanceUTC()) + " != "
+ new DateTime(trans - 1,
ISOChronology.getInstanceUTC()));
return false;
}
}
return true;
}
// Maps names to RuleSets.
private Map iRuleSets;
// List of Zone objects.
private List iZones;
// List String pairs to link.
private List iLinks;
public ZoneInfoCompiler() {
iRuleSets = new HashMap();
iZones = new ArrayList();
iLinks = new ArrayList();
}
/**
* Returns a map of ids to DateTimeZones.
*
* @param outputDir optional directory to write compiled data files to
* @param sources optional list of source files to parse
*/
public Map compile(File outputDir, File[] sources) throws IOException {
if (sources != null) {
for (int i=0; i map = new TreeMap();
System.out.println("Writing zoneinfo files");
for (int i=0; i 0) {
System.out.println("Cannot find time zone '" + id +
"' to link alias '" + alias + "' to");
}
} else {
map.put(alias, tz);
}
}
}
if (outputDir != null) {
System.out.println("Writing ZoneInfoMap");
File file = new File(outputDir, "ZoneInfoMap");
if (!file.getParentFile().exists()) {
file.getParentFile().mkdirs();
}
OutputStream out = new FileOutputStream(file);
DataOutputStream dout = new DataOutputStream(out);
try {
// Sort and filter out any duplicates that match case.
Map zimap = new TreeMap(String.CASE_INSENSITIVE_ORDER);
zimap.putAll(map);
writeZoneInfoMap(dout, zimap);
} finally {
dout.close();
}
}
return map;
}
public void parseDataFile(BufferedReader in) throws IOException {
Zone zone = null;
String line;
while ((line = in.readLine()) != null) {
String trimmed = line.trim();
if (trimmed.length() == 0 || trimmed.charAt(0) == '#') {
continue;
}
int index = line.indexOf('#');
if (index >= 0) {
line = line.substring(0, index);
}
//System.out.println(line);
StringTokenizer st = new StringTokenizer(line, " \t");
if (Character.isWhitespace(line.charAt(0)) && st.hasMoreTokens()) {
if (zone != null) {
// Zone continuation
zone.chain(st);
}
continue;
} else {
if (zone != null) {
iZones.add(zone);
}
zone = null;
}
if (st.hasMoreTokens()) {
String token = st.nextToken();
if (token.equalsIgnoreCase("Rule")) {
Rule r = new Rule(st);
RuleSet rs = iRuleSets.get(r.iName);
if (rs == null) {
rs = new RuleSet(r);
iRuleSets.put(r.iName, rs);
} else {
rs.addRule(r);
}
} else if (token.equalsIgnoreCase("Zone")) {
zone = new Zone(st);
} else if (token.equalsIgnoreCase("Link")) {
iLinks.add(st.nextToken());
iLinks.add(st.nextToken());
} else {
System.out.println("Unknown line: " + line);
}
}
}
if (zone != null) {
iZones.add(zone);
}
}
static class DateTimeOfYear {
public final int iMonthOfYear;
public final int iDayOfMonth;
public final int iDayOfWeek;
public final boolean iAdvanceDayOfWeek;
public final int iMillisOfDay;
public final char iZoneChar;
DateTimeOfYear() {
iMonthOfYear = 1;
iDayOfMonth = 1;
iDayOfWeek = 0;
iAdvanceDayOfWeek = false;
iMillisOfDay = 0;
iZoneChar = 'w';
}
DateTimeOfYear(StringTokenizer st) {
int month = 1;
int day = 1;
int dayOfWeek = 0;
int millis = 0;
boolean advance = false;
char zoneChar = 'w';
if (st.hasMoreTokens()) {
month = parseMonth(st.nextToken());
if (st.hasMoreTokens()) {
String str = st.nextToken();
if (str.startsWith("last")) {
day = -1;
dayOfWeek = parseDayOfWeek(str.substring(4));
advance = false;
} else {
try {
day = Integer.parseInt(str);
dayOfWeek = 0;
advance = false;
} catch (NumberFormatException e) {
int index = str.indexOf(">=");
if (index > 0) {
day = Integer.parseInt(str.substring(index + 2));
dayOfWeek = parseDayOfWeek(str.substring(0, index));
advance = true;
} else {
index = str.indexOf("<=");
if (index > 0) {
day = Integer.parseInt(str.substring(index + 2));
dayOfWeek = parseDayOfWeek(str.substring(0, index));
advance = false;
} else {
throw new IllegalArgumentException(str);
}
}
}
}
if (st.hasMoreTokens()) {
str = st.nextToken();
zoneChar = parseZoneChar(str.charAt(str.length() - 1));
if (str.equals("24:00")) {
LocalDate date = (day == -1 ?
new LocalDate(2001, month, 1).plusMonths(1) :
new LocalDate(2001, month, day).plusDays(1));
advance = (day != -1);
month = date.getMonthOfYear();
day = date.getDayOfMonth();
dayOfWeek = ((dayOfWeek - 1 + 1) % 7) + 1;
} else {
millis = parseTime(str);
}
}
}
}
iMonthOfYear = month;
iDayOfMonth = day;
iDayOfWeek = dayOfWeek;
iAdvanceDayOfWeek = advance;
iMillisOfDay = millis;
iZoneChar = zoneChar;
}
/**
* Adds a recurring savings rule to the builder.
*/
public void addRecurring(DateTimeZoneBuilder builder, String nameKey,
int saveMillis, int fromYear, int toYear)
{
builder.addRecurringSavings(nameKey, saveMillis,
fromYear, toYear,
iZoneChar,
iMonthOfYear,
iDayOfMonth,
iDayOfWeek,
iAdvanceDayOfWeek,
iMillisOfDay);
}
/**
* Adds a cutover to the builder.
*/
public void addCutover(DateTimeZoneBuilder builder, int year) {
builder.addCutover(year,
iZoneChar,
iMonthOfYear,
iDayOfMonth,
iDayOfWeek,
iAdvanceDayOfWeek,
iMillisOfDay);
}
public String toString() {
return
"MonthOfYear: " + iMonthOfYear + "\n" +
"DayOfMonth: " + iDayOfMonth + "\n" +
"DayOfWeek: " + iDayOfWeek + "\n" +
"AdvanceDayOfWeek: " + iAdvanceDayOfWeek + "\n" +
"MillisOfDay: " + iMillisOfDay + "\n" +
"ZoneChar: " + iZoneChar + "\n";
}
}
private static class Rule {
public final String iName;
public final int iFromYear;
public final int iToYear;
public final String iType;
public final DateTimeOfYear iDateTimeOfYear;
public final int iSaveMillis;
public final String iLetterS;
Rule(StringTokenizer st) {
iName = st.nextToken().intern();
iFromYear = parseYear(st.nextToken(), 0);
iToYear = parseYear(st.nextToken(), iFromYear);
if (iToYear < iFromYear) {
throw new IllegalArgumentException();
}
iType = parseOptional(st.nextToken());
iDateTimeOfYear = new DateTimeOfYear(st);
iSaveMillis = parseTime(st.nextToken());
iLetterS = parseOptional(st.nextToken());
}
/**
* Adds a recurring savings rule to the builder.
*/
public void addRecurring(DateTimeZoneBuilder builder, String nameFormat) {
String nameKey = formatName(nameFormat);
iDateTimeOfYear.addRecurring
(builder, nameKey, iSaveMillis, iFromYear, iToYear);
}
private String formatName(String nameFormat) {
int index = nameFormat.indexOf('/');
if (index > 0) {
if (iSaveMillis == 0) {
// Extract standard name.
return nameFormat.substring(0, index).intern();
} else {
return nameFormat.substring(index + 1).intern();
}
}
index = nameFormat.indexOf("%s");
if (index < 0) {
return nameFormat;
}
String left = nameFormat.substring(0, index);
String right = nameFormat.substring(index + 2);
String name;
if (iLetterS == null) {
name = left.concat(right);
} else {
name = left + iLetterS + right;
}
return name.intern();
}
public String toString() {
return
"[Rule]\n" +
"Name: " + iName + "\n" +
"FromYear: " + iFromYear + "\n" +
"ToYear: " + iToYear + "\n" +
"Type: " + iType + "\n" +
iDateTimeOfYear +
"SaveMillis: " + iSaveMillis + "\n" +
"LetterS: " + iLetterS + "\n";
}
}
private static class RuleSet {
private List iRules;
RuleSet(Rule rule) {
iRules = new ArrayList();
iRules.add(rule);
}
void addRule(Rule rule) {
if (!(rule.iName.equals(iRules.get(0).iName))) {
throw new IllegalArgumentException("Rule name mismatch");
}
iRules.add(rule);
}
/**
* Adds recurring savings rules to the builder.
*/
public void addRecurring(DateTimeZoneBuilder builder, String nameFormat) {
for (int i=0; i ruleSets) {
addToBuilder(this, builder, ruleSets);
}
private static void addToBuilder(Zone zone,
DateTimeZoneBuilder builder,
Map ruleSets)
{
for (; zone != null; zone = zone.iNext) {
builder.setStandardOffset(zone.iOffsetMillis);
if (zone.iRules == null) {
builder.setFixedSavings(zone.iFormat, 0);
} else {
try {
// Check if iRules actually just refers to a savings.
int saveMillis = parseTime(zone.iRules);
builder.setFixedSavings(zone.iFormat, saveMillis);
}
catch (Exception e) {
RuleSet rs = ruleSets.get(zone.iRules);
if (rs == null) {
throw new IllegalArgumentException
("Rules not found: " + zone.iRules);
}
rs.addRecurring(builder, zone.iFormat);
}
}
if (zone.iUntilYear == Integer.MAX_VALUE) {
break;
}
zone.iUntilDateTimeOfYear.addCutover(builder, zone.iUntilYear);
}
}
public String toString() {
String str =
"[Zone]\n" +
"Name: " + iName + "\n" +
"OffsetMillis: " + iOffsetMillis + "\n" +
"Rules: " + iRules + "\n" +
"Format: " + iFormat + "\n" +
"UntilYear: " + iUntilYear + "\n" +
iUntilDateTimeOfYear;
if (iNext == null) {
return str;
}
return str + "...\n" + iNext.toString();
}
}
}
