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Added location info for timezones #263

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Added location info for timezones #263

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3 changes: 3 additions & 0 deletions pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -293,6 +293,9 @@
<argument>etcetera</argument>
<argument>backward</argument>
<argument>systemv</argument>
<argument>iso3166.tab</argument>
<argument>zone.tab</argument>
<argument>zone1970.tab</argument>
</arguments>
</configuration>
</plugin>
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36 changes: 34 additions & 2 deletions src/main/java/org/joda/time/DateTimeZone.java
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Expand Up @@ -659,7 +659,7 @@ private static String printOffset(int offset) {
//--------------------------------------------------------------------

private final String iID;

private TimeZoneLocationInfo iLocationInfo;
/**
* Constructor.
*
Expand All @@ -671,8 +671,23 @@ protected DateTimeZone(String id) {
throw new IllegalArgumentException("Id must not be null");
}
iID = id;
iLocationInfo = null;
}

/**
* Constructor.
*
* @param id the id to use
* @param locationInfo the location info for this timezone
* @throws IllegalArgumentException if the id is null
*/
protected DateTimeZone(String id, TimeZoneLocationInfo locationInfo) {
if (id == null) {
throw new IllegalArgumentException("Id must not be null");
}
iID = id;
iLocationInfo = locationInfo;
}
// Principal methods
//--------------------------------------------------------------------

Expand All @@ -685,7 +700,24 @@ protected DateTimeZone(String id) {
public final String getID() {
return iID;
}


/**
* Gets the location-info of this datetime zone.
*
* @return the location-info of this datetime zone
*/
public TimeZoneLocationInfo getLocationInfo() {
return iLocationInfo;
}

/**
* Sets the location-info of this datetime zone.
*/
public void setLocationInfo(TimeZoneLocationInfo locationInfo) {
this.iLocationInfo = locationInfo;
}

/**
* Returns a non-localized name that is unique to this time zone. It can be
* combined with id to form a unique key for fetching localized names.
Expand Down Expand Up @@ -1267,7 +1299,7 @@ protected Object writeReplace() throws ObjectStreamException {
return new Stub(iID);
}

/**
/**
* Used to serialize DateTimeZones by id.
*/
private static final class Stub implements Serializable {
Expand Down
74 changes: 74 additions & 0 deletions src/main/java/org/joda/time/TimeZoneLocationInfo.java
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@@ -0,0 +1,74 @@
package org.joda.time;

import java.util.HashMap;

public class TimeZoneLocationInfo {
public String getLatitude() {
return latitude;
}

public void setLatitude(String latitude) {
this.latitude = latitude;
}

public String getLongitude() {
return longitude;
}

@Override
public String toString() {
return "LocationInfo [latitude=" + latitude + ", longitude="
+ longitude + ", comments=" + comments + ", countries="
+ countries + "]";
}

public void setLongitude(String longitude) {
this.longitude = longitude;
}

public String getComments() {
return comments;
}

public void setComments(String comments) {
this.comments = comments;
}

public HashMap<String, String> getCountries() {
return countries;
}

public void setCountries(HashMap<String, String> countries) {
this.countries = countries;
}

private String latitude;
private String longitude;
private String comments;
private HashMap<String, String> countries;

public TimeZoneLocationInfo(String lat, String lon, String com, HashMap<String, String> countries) {
latitude = lat;
longitude = lon;
comments = com;
this.countries = countries;
}

public TimeZoneLocationInfo(String lat, String lon, String com, String countries) {
countries = countries.substring(1, countries.length()-1);
HashMap<String, String> countriesMap = new HashMap<String, String>();
String[] pairs = countries.split(",");

for(int index=0; index<pairs.length; index++) {
String pair = pairs[index];
String[] values = pair.split("=");
if(values.length==2) {
countriesMap.put(values[0].trim(), values[1].trim());
}
}
latitude = lat;
longitude = lon;
comments = com;
this.countries = countriesMap;
}
}
2 changes: 1 addition & 1 deletion src/main/java/org/joda/time/tz/CachedDateTimeZone.java
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Expand Up @@ -84,7 +84,7 @@ public static CachedDateTimeZone forZone(DateTimeZone zone) {
private final transient Info[] iInfoCache = new Info[cInfoCacheMask + 1];

private CachedDateTimeZone(DateTimeZone zone) {
super(zone.getID());
super(zone.getID(), zone.getLocationInfo());
iZone = zone;
}

Expand Down
110 changes: 93 additions & 17 deletions src/main/java/org/joda/time/tz/DateTimeZoneBuilder.java
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Original file line number Diff line number Diff line change
Expand Up @@ -29,13 +29,16 @@
import java.util.Iterator;
import java.util.Locale;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.joda.time.Chronology;
import org.joda.time.DateTime;
import org.joda.time.DateTimeUtils;
import org.joda.time.DateTimeZone;
import org.joda.time.Period;
import org.joda.time.PeriodType;
import org.joda.time.TimeZoneLocationInfo;
import org.joda.time.chrono.ISOChronology;

/**
Expand Down Expand Up @@ -110,7 +113,7 @@ public static DateTimeZone readFrom(DataInput in, String id) throws IOException
switch (in.readUnsignedByte()) {
case 'F':
DateTimeZone fixed = new FixedDateTimeZone
(id, in.readUTF(), (int)readMillis(in), (int)readMillis(in));
(id, in.readUTF(), (int)readMillis(in), (int)readMillis(in), parseTimeZoneLocationInfo(in.readLine()));
if (fixed.equals(DateTimeZone.UTC)) {
fixed = DateTimeZone.UTC;
}
Expand All @@ -123,6 +126,32 @@ public static DateTimeZone readFrom(DataInput in, String id) throws IOException
throw new IOException("Invalid encoding");
}
}

/**
* Parses the location-info string read from file and creates a
* {@link TimeZoneLocationInfo} object.
*
* @param locationInfo String to be parsed
* @return {@link TimeZoneLocationInfo} object if string is parsed successfully, null otherwise
*/
public static TimeZoneLocationInfo parseTimeZoneLocationInfo(String locationInfo) {
if(locationInfo == null) {
return null;
}
TimeZoneLocationInfo locInfo = null;
try {
String pattern = ".*latitude=(.*), longitude=(.*), comments=(.*), countries=(.*)].*";
Pattern r = Pattern.compile(pattern);
Matcher m = r.matcher(locationInfo);
m.matches();
locInfo = new TimeZoneLocationInfo(m.group(1), m.group(2), m.group(3), m.group(4));
} catch (Exception e) {
System.out.println("Failed to parse location-info string");
e.printStackTrace();
}

return locInfo;
}

/**
* Millisecond encoding formats:
Expand Down Expand Up @@ -328,8 +357,19 @@ private RuleSet getLastRuleSet() {
*
* @param id time zone id to assign
* @param outputID true if the zone id should be output
*/
*/
public DateTimeZone toDateTimeZone(String id, boolean outputID) {
return toDateTimeZone(id, outputID, null);
}

/**
* Processes all the rules and builds a DateTimeZone along with location-info
*
* @param id time zone id to assign
* @param outputID true if the zone id should be output
* @param locationInfo {@link TimeZoneLocationInfo} object for this timezone
*/
public DateTimeZone toDateTimeZone(String id, boolean outputID, TimeZoneLocationInfo locationInfo) {
if (id == null) {
throw new IllegalArgumentException();
}
Expand Down Expand Up @@ -393,7 +433,7 @@ public DateTimeZone toDateTimeZone(String id, boolean outputID) {
tr.getWallOffset(), tr.getStandardOffset());
}

PrecalculatedZone zone = PrecalculatedZone.create(id, outputID, transitions, tailZone);
PrecalculatedZone zone = PrecalculatedZone.create(id, outputID, transitions, tailZone, locationInfo);
if (zone.isCachable()) {
return CachedDateTimeZone.forZone(zone);
}
Expand Down Expand Up @@ -433,30 +473,43 @@ private boolean addTransition(ArrayList<Transition> transitions, Transition tr)
}

/**
* Encodes a built DateTimeZone to the given stream. Call readFrom to
* decode the data into a DateTimeZone object.
* Encodes a built DateTimeZone along with the location-info to the given stream.
* Call readFrom to decode the data into a DateTimeZone object.
*
* @param out the output stream to receive the encoded DateTimeZone
* @param locationInfo location-info of the timezone
* @param out the output stream to receive the encoded DateTimeZone
* @since 1.5 (parameter added)
*/
public void writeTo(String zoneID, OutputStream out) throws IOException {
public void writeTo(String zoneID, OutputStream out, TimeZoneLocationInfo locationInfo) throws IOException {
if (out instanceof DataOutput) {
writeTo(zoneID, (DataOutput)out);
writeTo(zoneID, (DataOutput)out, locationInfo);
} else {
writeTo(zoneID, (DataOutput)new DataOutputStream(out));
writeTo(zoneID, (DataOutput)new DataOutputStream(out), locationInfo);
}
}

/**
* Encodes a built DateTimeZone to the given stream. Call readFrom to
* decode the data into a DateTimeZone object.
*
* @param out the output stream to receive the encoded DateTimeZone
* @since 1.5 (parameter added)
*/
public void writeTo(String zoneID, DataOutput out) throws IOException {
public void writeTo(String zoneID, OutputStream out) throws IOException {
writeTo(zoneID, out, null);
}

/**
* Encodes a built DateTimeZone along with the location-info to the given stream.
* Call readFrom to decode the data into a DateTimeZone object.
*
* @param locationInfo location-info of the timezone
* @param out the output stream to receive the encoded DateTimeZone
* @since 1.5 (parameter added)
*/
public void writeTo(String zoneID, DataOutput out, TimeZoneLocationInfo locationInfo) throws IOException {
// pass false so zone id is not written out
DateTimeZone zone = toDateTimeZone(zoneID, false);
DateTimeZone zone = toDateTimeZone(zoneID, false, locationInfo);

if (zone instanceof FixedDateTimeZone) {
out.writeByte('F'); // 'F' for fixed
Expand All @@ -472,6 +525,10 @@ public void writeTo(String zoneID, DataOutput out) throws IOException {
}
((PrecalculatedZone)zone).writeTo(out);
}
//Write the location-info if present
if(locationInfo != null) {
out.writeBytes(locationInfo.toString());
}
}

/**
Expand Down Expand Up @@ -1374,10 +1431,14 @@ static PrecalculatedZone readFrom(DataInput in, String id) throws IOException {
if (in.readBoolean()) {
tailZone = DSTZone.readFrom(in, id);
}


//Try to read the location-info from the file
String locationInfoString = in.readLine();
TimeZoneLocationInfo locationInfo = DateTimeZoneBuilder.parseTimeZoneLocationInfo(locationInfoString);
return new PrecalculatedZone
(id, transitions, wallOffsets, standardOffsets, nameKeys, tailZone);
(id, transitions, wallOffsets, standardOffsets, nameKeys, tailZone, locationInfo);
}


/**
* Factory to create instance from builder.
Expand All @@ -1386,9 +1447,10 @@ static PrecalculatedZone readFrom(DataInput in, String id) throws IOException {
* @param outputID true if the zone id should be output
* @param transitions the list of Transition objects
* @param tailZone optional zone for getting info beyond precalculated tables
* @param locationInfo the location-info for this timezone
*/
static PrecalculatedZone create(String id, boolean outputID, ArrayList<Transition> transitions,
DSTZone tailZone) {
DSTZone tailZone, TimeZoneLocationInfo locationInfo) {
int size = transitions.size();
if (size == 0) {
throw new IllegalArgumentException();
Expand Down Expand Up @@ -1481,7 +1543,7 @@ static PrecalculatedZone create(String id, boolean outputID, ArrayList<Transitio
}

return new PrecalculatedZone
((outputID ? id : ""), trans, wallOffsets, standardOffsets, nameKeys, tailZone);
((outputID ? id : ""), trans, wallOffsets, standardOffsets, nameKeys, tailZone, locationInfo);
}

// All array fields have the same length.
Expand All @@ -1500,14 +1562,28 @@ static PrecalculatedZone create(String id, boolean outputID, ArrayList<Transitio
private PrecalculatedZone(String id, long[] transitions, int[] wallOffsets,
int[] standardOffsets, String[] nameKeys, DSTZone tailZone)
{
super(id);
super(id, null);
iTransitions = transitions;
iWallOffsets = wallOffsets;
iStandardOffsets = standardOffsets;
iNameKeys = nameKeys;
iTailZone = tailZone;
}

/**
* Constructor with location-info
*/
private PrecalculatedZone(String id, long[] transitions, int[] wallOffsets,
int[] standardOffsets, String[] nameKeys, DSTZone tailZone, TimeZoneLocationInfo locationInfo)
{
super(id, locationInfo);
iTransitions = transitions;
iWallOffsets = wallOffsets;
iStandardOffsets = standardOffsets;
iNameKeys = nameKeys;
iTailZone = tailZone;
}

public String getNameKey(long instant) {
long[] transitions = iTransitions;
int i = Arrays.binarySearch(transitions, instant);
Expand Down
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