├── .gitignore
├── .travis.settings.xml
├── .travis.yml
├── LICENSE.md
├── README.md
├── pom.xml
├── timezone-core
    ├── pom.xml
    └── src
    │   └── main
    │       └── java
    │           └── com
    │               └── graphhopper
    │                   └── timezone
    │                       └── core
    │                           ├── TZShapeReader.java
    │                           └── TimeZones.java
├── timezone-webapp
    ├── app.yml
    ├── pom.xml
    └── src
    │   └── main
    │       └── java
    │           └── com
    │               └── graphhopper
    │                   └── timezone
    │                       └── webservice
    │                           ├── App.java
    │                           ├── AppConfig.java
    │                           ├── api
    │                               ├── LocalTime.java
    │                               └── TimeZoneResponse.java
    │                           └── resources
    │                               └── TimeZoneService.java
└── world-data
    ├── tz_world.dbf
    ├── tz_world.png
    ├── tz_world.prj
    ├── tz_world.shp
    └── tz_world.shx


/.gitignore:
--------------------------------------------------------------------------------
 1 | /bin
 2 | /target
 3 | /output
 4 | /in
 5 | /input
 6 | .DS_Store
 7 | *~
 8 | vrp-app-old.log
 9 | vrp-app.log
10 | *log.gz
11 | /logs/
12 | 
13 | # Netbeans
14 | nbactions.xml
15 | 
16 | # IntelliJ
17 | *.ipr
18 | *.iws
19 | *.iml
20 | .idea/
21 | 
22 | # Eclipse
23 | .project
24 | .classpath
25 | 


--------------------------------------------------------------------------------
/.travis.settings.xml:
--------------------------------------------------------------------------------
1 | <settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
2 |   <servers>
3 |     <server>
4 |       <id>packagecloud-maiBlivnok</id>
5 |       <password>${env.PACKAGECLOUD_TOKEN}</password>
6 |     </server>
7 |   </servers>
8 | </settings>
9 | 


--------------------------------------------------------------------------------
/.travis.yml:
--------------------------------------------------------------------------------
 1 | language: java
 2 | jdk:
 3 |   - oraclejdk8
 4 | # do not install anything instead return true via unix command true
 5 | install: true
 6 | script: mvn clean test
 7 | notifications:
 8 |   email:
 9 |     - github@graphhopper.com
10 | 
11 | # enable container-based stack
12 | sudo: false
13 | 
14 | deploy:
15 |   provider: script
16 |   script: "cp .travis.settings.xml $HOME/.m2/settings.xml && mvn deploy"
17 |   skip_cleanup: true
18 |   on:
19 |     tags: true
20 | 


--------------------------------------------------------------------------------
/LICENSE.md:
--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
  1 | timezone
  2 | ========
  3 | ![Build Status](https://travis-ci.org/graphhopper/timezone.svg?branch=master)
  4 | 
  5 | Requires Java 1.8.
  6 | 
  7 | ## Timezone Core
  8 | 
  9 | The timezone project can be imported into your project and run by directly interfacing with the public methods, without needing to start the web service. Add the project as a dependency and create a new `TimeZones` object, which can be interacted with through `.getTimeZone()` and `.getOffsetDateTime()` including all local time and timezone information such as current time in the timezone and offset from GMT.
 10 | 
 11 | Example:
 12 | 
 13 | ```java
 14 | TimeZones timeZones = new TimeZones();
 15 | timeZones.initWithWorldData(new File("./world-data/tz_world.shp").toURI().toURL());
 16 | 
 17 | TimeZone tz = timeZones.getTimeZone(40.713956,-75.767577);
 18 | long unixTimeStamp = 1488363179;
 19 | OffsetDateTime offsetDateTime = timeZones.getOffsetDateTime(unixTimeStamp,tz);
 20 | System.out.println(offsetDateTime);
 21 | 
 22 | //or even shorter
 23 | OffsetDateTime offsetDateTime2 = timeZones.getOffsetDateTime(unixTimeStamp,40.713956,-75.767577);
 24 | System.out.println(offsetDateTime2);
 25 | ```
 26 | 
 27 | ## Timezone Webapp
 28 | Our timezone app turns your location and timestamp into timezone and local time. Thus, if you need local time in your application, just ask GraphHopper timezone. It is microservice you can run wherever you like.
 29 | 
 30 | ### Example 
 31 | 
 32 | #### Example 1
 33 | 
 34 | request: `http://localhost:8080/timezone?timestamp=1488363179&location=40.713956,-75.767577`
 35 | 
 36 | response:
 37 | 
 38 | ```json
 39 | {
 40 | 
 41 |     "timezone": "America/New_York",
 42 |     "timezone_name": "Eastern Standard Time",
 43 |     "local_time": {
 44 |         "offset": -18000,
 45 |         "year": 2017,
 46 |         "month": "March",
 47 |         "day_of_month": 2,
 48 |         "day_of_week": "Thursday",
 49 |         "month_value": 3,
 50 |         "hour": 16,
 51 |         "minute": 19,
 52 |         "second": 52,
 53 |         "nano": 0
 54 |     }
 55 | 
 56 | }
 57 | 
 58 | ```
 59 | 
 60 | #### Example 2
 61 | 
 62 | request: `http://localhost:8080/timezone?timestamp=1488489592&location=48.873748,2.344482&language=fr`
 63 | 
 64 | response:
 65 | 
 66 | ```json
 67 | {
 68 |     "timezone": "Europe/Paris",
 69 |     "timezone_name": "Heure d'Europe centrale",
 70 |     "local_time": {
 71 |         "offset": 3600,
 72 |         "year": 2017,
 73 |         "month": "mars",
 74 |         "day_of_month": 2,
 75 |         "day_of_week": "jeudi",
 76 |         "month_value": 3,
 77 |         "hour": 22,
 78 |         "minute": 19,
 79 |         "second": 52,
 80 |         "nano": 0
 81 |     }
 82 | }
 83 | 
 84 | ```
 85 | 
 86 | #### Example 3
 87 | 
 88 | request: `http://localhost:8080/timezone?timestamp=1488489592&location=36.031332,138.796876&language=ja`
 89 | 
 90 | response:
 91 | 
 92 | ```json
 93 | {
 94 |     "timezone": "Asia/Tokyo",
 95 |     "timezone_name": "日本標準時",
 96 |     "local_time": {
 97 |         "offset": 32400,
 98 |         "year": 2017,
 99 |         "month": "3月",
100 |         "day_of_month": 3,
101 |         "day_of_week": "金曜日",
102 |         "month_value": 3,
103 |         "hour": 6,
104 |         "minute": 19,
105 |         "second": 52,
106 |         "nano": 0
107 |     }
108 | }
109 | 
110 | ```
111 | 
112 | try your own example:
113 | - get current unix timestamp from here: http://www.unixtimestamp.com/
114 | - and coordinates from here: https://graphhopper.com/maps/ (just right click wherever you like to specify start and you will be provided with the coordinates in the start field. just copy and paste it as it is)
115 | 
116 | ### Input & Output
117 | 
118 | You need to specify two parameters, (Unix) timestamp and location (lat,lon), and you will be provided with the according timezone, local time and offset to UTC. Local time and offset consider daylight saving time (dst).
119 | 
120 | Input:
121 | 
122 | Parameter | Description
123 | :------|:-----
124 | timestamp | Unix timestamp (in seconds)
125 | location | latitude, longitude
126 | language | optional, default is 'en' - see the supported languages [here](http://www.oracle.com/technetwork/java/javase/javase7locales-334809.html)
127 | 
128 | Output:
129 | 
130 | Name | Description
131 | :------|:-----
132 | timezone | time zone id as defined here: http://efele.net/maps/tz/world/
133 | timezone_name | full name of time zone
134 | local_time | local time information considering daylight saving time 
135 | 
136 | local_time:
137 | 
138 | Name | Description
139 | :------|:-----
140 | offset | offset to UTC in seconds
141 | year | -
142 | month | -
143 | day_of_month | -
144 | day_of_week | -
145 | month_value | -
146 | hour | -
147 | minute | -
148 | second | -
149 | nano | -
150 | 
151 | ## TZ data
152 | Make sure that you have updated your java environment with the latest tz data, otherwise old DST data might yield wrong local times. For example, such events ["Russia Returns to Standard Time All Year"](https://www.timeanddate.com/news/time/russia-abandons-permanent-summer-time.html) cause wrong local time calculations if you have not updated your JRE/JDK. You can update it as described here:
153 | 
154 | http://www.oracle.com/technetwork/java/javase/tzupdater-readme-136440.html
155 | 


--------------------------------------------------------------------------------
/pom.xml:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="UTF-8"?>
  2 | <project xmlns="http://maven.apache.org/POM/4.0.0"
  3 |          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4 |          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  5 |     <modelVersion>4.0.0</modelVersion>
  6 | 
  7 |     <groupId>timezone</groupId>
  8 |     <artifactId>timezone</artifactId>
  9 |     <version>2.0.1-SNAPSHOT</version>
 10 | 
 11 |     <modules>
 12 |         <module>timezone-core</module>
 13 |         <module>timezone-webapp</module>
 14 |     </modules>
 15 | 
 16 |     <packaging>pom</packaging>
 17 | 
 18 |     <name>timezone</name>
 19 |     <description>It turns location and unix timestamp into timezone and local time.</description>
 20 |     <url>https://github.com/graphhopper/timezone</url>
 21 |     <inceptionYear>2017</inceptionYear>
 22 | 
 23 |     <licenses>
 24 |         <license>
 25 |             <name>Apache License, Version 2.0</name>
 26 |             <url>http://www.apache.org/licenses/LICENSE-2.0</url>
 27 |         </license>
 28 |     </licenses>
 29 | 
 30 |     <developers>
 31 |         <developer>
 32 |             <name>Stefan Schroeder</name>
 33 |             <email>my.name@graphhopper.com</email>
 34 |         </developer>
 35 |     </developers>
 36 | 
 37 |     <scm>
 38 |         <connection>scm:git:git@github.com:graphhopper/timezone.git</connection>
 39 |         <developerConnection>scm:git:https://github.com/graphhopper/timezone.git</developerConnection>
 40 |         <url>http://github.com/graphhopper/timezone/tree/master</url>
 41 |         <tag>HEAD</tag>
 42 |     </scm>
 43 | 
 44 |     <issueManagement>
 45 |         <system>github</system>
 46 |         <url>https://github.com/graphhopper/timezone/issues</url>
 47 |     </issueManagement>
 48 | 
 49 |     <properties>
 50 |         <dropwizard.version>0.9.2</dropwizard.version>
 51 |         <jackson.version>2.7.3</jackson.version>
 52 |         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 53 |     </properties>
 54 | 
 55 |     <distributionManagement>
 56 |         <repository>
 57 |             <id>packagecloud-maiBlivnok</id>
 58 |             <url>packagecloud+https://packagecloud.io/maiBlivnok/timezone</url>
 59 |         </repository>
 60 |         <snapshotRepository>
 61 |             <id>packagecloud-maiBlivnok</id>
 62 |             <url>packagecloud+https://packagecloud.io/maiBlivnok/timezone</url>
 63 |         </snapshotRepository>
 64 |     </distributionManagement>
 65 | 
 66 | 
 67 |     <dependencies>
 68 |         <dependency>
 69 |             <groupId>com.vividsolutions</groupId>
 70 |             <artifactId>jts</artifactId>
 71 |             <version>1.13</version>
 72 |         </dependency>
 73 | 
 74 |         <dependency>
 75 |             <groupId>org.geotools</groupId>
 76 |             <artifactId>gt-shapefile</artifactId>
 77 |             <version>16.2</version>
 78 |         </dependency>
 79 | 
 80 |         <dependency>
 81 |             <groupId>io.dropwizard</groupId>
 82 |             <artifactId>dropwizard-core</artifactId>
 83 |             <version>${dropwizard.version}</version>
 84 |         </dependency>
 85 | 
 86 |         <dependency>
 87 |             <groupId>io.dropwizard</groupId>
 88 |             <artifactId>dropwizard-metrics</artifactId>
 89 |             <version>${dropwizard.version}</version>
 90 |         </dependency>
 91 | 
 92 |         <dependency>
 93 |             <groupId>io.dropwizard</groupId>
 94 |             <artifactId>dropwizard-testing</artifactId>
 95 |             <version>${dropwizard.version}</version>
 96 |         </dependency>
 97 | 
 98 |         <dependency>
 99 |             <groupId>io.dropwizard</groupId>
100 |             <artifactId>dropwizard-assets</artifactId>
101 |             <version>${dropwizard.version}</version>
102 |         </dependency>
103 |     </dependencies>
104 | 
105 |     <repositories>
106 |         <repository>
107 |             <id>osgeo</id>
108 |             <name>Open Source Geospatial Foundation Repository</name>
109 |             <url>http://download.osgeo.org/webdav/geotools/</url>
110 |         </repository>
111 |     </repositories>
112 | 
113 |     <build>
114 |         <extensions>
115 |             <extension>
116 |                 <groupId>io.packagecloud.maven.wagon</groupId>
117 |                 <artifactId>maven-packagecloud-wagon</artifactId>
118 |                 <version>0.0.4</version>
119 |             </extension>
120 |         </extensions>
121 | 
122 |         <plugins>
123 | 
124 |             <plugin>
125 |                 <groupId>org.apache.maven.plugins</groupId>
126 |                 <artifactId>maven-compiler-plugin</artifactId>
127 |                 <version>3.3</version>
128 |                 <configuration>
129 |                     <source>1.8</source>
130 |                     <target>1.8</target>
131 |                 </configuration>
132 |             </plugin>
133 | 
134 |             <plugin>
135 |                 <groupId>org.apache.maven.plugins</groupId>
136 |                 <artifactId>maven-surefire-plugin</artifactId>
137 |                 <version>2.19.1</version>
138 |             </plugin>
139 | 
140 | 
141 | 
142 | 
143 | 
144 |             <plugin>
145 |                 <groupId>org.apache.maven.plugins</groupId>
146 |                 <artifactId>maven-jar-plugin</artifactId>
147 |                 <version>2.4</version>
148 |                 <configuration>
149 |                     <archive>
150 |                         <manifest>
151 |                             <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
152 |                         </manifest>
153 |                     </archive>
154 |                 </configuration>
155 |             </plugin>
156 | 
157 |         </plugins>
158 |     </build>
159 | 
160 |     <!-- mvn clean deploy -P release -->
161 |     <profiles>
162 |         <profile>
163 |             <id>selected-build</id>
164 |             <modules>
165 |                 <module>timezone-core</module>
166 |             </modules>
167 |         </profile>
168 |         <profile>
169 |             <id>release</id>
170 |             <activation>
171 |                 <activeByDefault>false</activeByDefault>
172 |             </activation>
173 |             <build>
174 |                 <plugins>
175 |                     <plugin>
176 |                         <groupId>org.apache.maven.plugins</groupId>
177 |                         <artifactId>maven-gpg-plugin</artifactId>
178 |                         <version>1.6</version>
179 |                         <executions>
180 |                             <execution>
181 |                                 <id>sign-artifacts</id>
182 |                                 <phase>verify</phase>
183 |                                 <goals>
184 |                                     <goal>sign</goal>
185 |                                 </goals>
186 |                             </execution>
187 |                         </executions>
188 |                     </plugin>
189 |                     <plugin>
190 |                         <groupId>org.sonatype.plugins</groupId>
191 |                         <artifactId>nexus-staging-maven-plugin</artifactId>
192 |                         <version>1.6.7</version>
193 |                         <extensions>true</extensions>
194 |                         <configuration>
195 |                             <serverId>ossrh</serverId>
196 |                             <nexusUrl>https://oss.sonatype.org/</nexusUrl>
197 |                             <autoReleaseAfterClose>true</autoReleaseAfterClose>
198 |                         </configuration>
199 |                     </plugin>
200 | 
201 |                     <plugin>
202 |                         <groupId>org.apache.maven.plugins</groupId>
203 |                         <artifactId>maven-javadoc-plugin</artifactId>
204 |                         <version>2.10.3</version>
205 |                         <executions>
206 |                             <execution>
207 |                                 <id>attach-javadocs</id>
208 |                                 <goals>
209 |                                     <goal>jar</goal>
210 |                                 </goals>
211 |                             </execution>
212 |                         </executions>
213 |                     </plugin>
214 |                     <plugin>
215 |                         <groupId>org.apache.maven.plugins</groupId>
216 |                         <artifactId>maven-source-plugin</artifactId>
217 |                         <version>3.0.0</version>
218 |                         <executions>
219 |                             <execution>
220 |                                 <id>attach-sources</id>
221 |                                 <goals>
222 |                                     <goal>jar-no-fork</goal>
223 |                                 </goals>
224 |                             </execution>
225 |                         </executions>
226 |                     </plugin>
227 |                 </plugins>
228 |             </build>
229 |         </profile>
230 |     </profiles>
231 | 
232 | </project>


--------------------------------------------------------------------------------
/timezone-core/pom.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project xmlns="http://maven.apache.org/POM/4.0.0"
 3 |          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4 |          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5 |     <parent>
 6 |         <artifactId>timezone</artifactId>
 7 |         <groupId>timezone</groupId>
 8 |         <version>2.0.1-SNAPSHOT</version>
 9 |     </parent>
10 |     <modelVersion>4.0.0</modelVersion>
11 | 
12 |     <artifactId>timezone-core</artifactId>
13 | 
14 | 
15 | </project>


--------------------------------------------------------------------------------
/timezone-core/src/main/java/com/graphhopper/timezone/core/TZShapeReader.java:
--------------------------------------------------------------------------------
 1 | /*
 2 |  * Licensed to GraphHopper GmbH under one or more contributor
 3 |  * license agreements. See the NOTICE file distributed with this work for
 4 |  * additional information regarding copyright ownership.
 5 |  *
 6 |  * GraphHopper GmbH licenses this file to you under the Apache License,
 7 |  * Version 2.0 (the "License"); you may not use this file except in
 8 |  * compliance with the License. You may obtain a copy of the License at
 9 |  *
10 |  *       http://www.apache.org/licenses/LICENSE-2.0
11 |  *
12 |  * Unless required by applicable law or agreed to in writing, software
13 |  * distributed under the License is distributed on an "AS IS" BASIS,
14 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 |  * See the License for the specific language governing permissions and
16 |  * limitations under the License.
17 |  */
18 | 
19 | package com.graphhopper.timezone.core;
20 | 
21 | import com.vividsolutions.jts.index.quadtree.Quadtree;
22 | import org.geotools.data.DataStore;
23 | import org.geotools.data.DataStoreFinder;
24 | import org.geotools.data.FeatureSource;
25 | import org.geotools.feature.FeatureCollection;
26 | import org.geotools.feature.FeatureIterator;
27 | import org.geotools.geometry.jts.ReferencedEnvelope;
28 | import org.opengis.feature.simple.SimpleFeature;
29 | import org.opengis.feature.simple.SimpleFeatureType;
30 | 
31 | import java.io.IOException;
32 | import java.net.URL;
33 | import java.util.HashMap;
34 | import java.util.Map;
35 | 
36 | /**
37 |  * Created by schroeder on 01/03/17.
38 |  */
39 | public class TZShapeReader {
40 | 
41 |     private static final org.slf4j.Logger LOGGER = org.slf4j.LoggerFactory.getLogger(TZShapeReader.class);
42 | 
43 |     private Quadtree quadtree;
44 | 
45 |     public TZShapeReader(Quadtree quadtree) {
46 |         this.quadtree = quadtree;
47 |     }
48 | 
49 |     public void read(URL file) throws IOException {
50 |         Map<String, Object> map = new HashMap<>();
51 |         map.put("url", file);
52 |         FeatureIterator<SimpleFeature> features = null;
53 |         DataStore dataStore = null;
54 |         int count = 0;
55 |         try{
56 |             dataStore = DataStoreFinder.getDataStore(map);
57 |             String typeName = dataStore.getTypeNames()[0];
58 |             FeatureSource<SimpleFeatureType, SimpleFeature> source = dataStore.getFeatureSource(typeName);
59 |             FeatureCollection<SimpleFeatureType, SimpleFeature> collection = source.getFeatures();
60 |             features = collection.features();
61 |             LOGGER.info("reading world time zones ...");
62 |             while (features.hasNext()) {
63 |                 count++;
64 |                 SimpleFeature feature = features.next();
65 |                 ReferencedEnvelope referencedEnvelope = new ReferencedEnvelope(feature.getBounds());
66 |                 quadtree.insert(referencedEnvelope,feature);
67 |             }
68 |         } catch (Exception e) {
69 |             throw new RuntimeException(e);
70 |         } finally {
71 |             if (features != null)
72 |                 features.close();
73 |             if (dataStore != null)
74 |                 dataStore.dispose();
75 |         }
76 |         LOGGER.info(count + " features read");
77 |     }
78 | }
79 | 


--------------------------------------------------------------------------------
/timezone-core/src/main/java/com/graphhopper/timezone/core/TimeZones.java:
--------------------------------------------------------------------------------
 1 | /*
 2 |  * Licensed to GraphHopper GmbH under one or more contributor
 3 |  * license agreements. See the NOTICE file distributed with this work for
 4 |  * additional information regarding copyright ownership.
 5 |  *
 6 |  * GraphHopper GmbH licenses this file to you under the Apache License,
 7 |  * Version 2.0 (the "License"); you may not use this file except in
 8 |  * compliance with the License. You may obtain a copy of the License at
 9 |  *
10 |  *       http://www.apache.org/licenses/LICENSE-2.0
11 |  *
12 |  * Unless required by applicable law or agreed to in writing, software
13 |  * distributed under the License is distributed on an "AS IS" BASIS,
14 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 |  * See the License for the specific language governing permissions and
16 |  * limitations under the License.
17 |  */
18 | 
19 | package com.graphhopper.timezone.core;
20 | 
21 | import java.io.File;
22 | import java.io.IOException;
23 | import java.net.MalformedURLException;
24 | import java.net.URL;
25 | import java.time.Instant;
26 | import java.time.OffsetDateTime;
27 | import java.time.ZoneId;
28 | import java.util.List;
29 | import java.util.TimeZone;
30 | 
31 | import org.geotools.geometry.jts.JTSFactoryFinder;
32 | import org.opengis.feature.simple.SimpleFeature;
33 | 
34 | import com.vividsolutions.jts.geom.Coordinate;
35 | import com.vividsolutions.jts.geom.Geometry;
36 | import com.vividsolutions.jts.geom.GeometryFactory;
37 | import com.vividsolutions.jts.geom.Point;
38 | import com.vividsolutions.jts.index.quadtree.Quadtree;
39 | 
40 | public class TimeZones {
41 | 
42 |     private GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory(null);
43 | 
44 |     private Quadtree quadtree;
45 | 
46 |     public void initWithWorldData(URL worldDataShp) throws IOException {
47 |         this.quadtree = new Quadtree();
48 |         new TZShapeReader(quadtree).read(worldDataShp);
49 |     }
50 | 
51 |     public Quadtree getQuadtree() {
52 |         return this.quadtree;
53 |     }
54 | 
55 |     public OffsetDateTime getOffsetDateTime(long epochSecond, double lat, double lon){
56 |         OffsetDateTime offsetDateTime = OffsetDateTime.ofInstant(Instant.ofEpochSecond(epochSecond), ZoneId.of(getTimeZone(lat,lon).getID()));
57 |         return offsetDateTime;
58 |     }
59 | 
60 |     public OffsetDateTime getOffsetDateTime(long epochSecond, TimeZone timeZone){
61 |         OffsetDateTime offsetDateTime = OffsetDateTime.ofInstant(Instant.ofEpochSecond(epochSecond), ZoneId.of(timeZone.getID()));
62 |         return offsetDateTime;
63 |     }
64 | 
65 | 
66 |     public TimeZone getTimeZone(double lat, double lon) {
67 |         Point point = geometryFactory.createPoint(new Coordinate(lon,lat));
68 |         List<Object> regions = quadtree.query(point.getEnvelopeInternal());
69 |         for(Object o : regions){
70 |             SimpleFeature feature = (SimpleFeature) o;
71 |             Geometry geom = (Geometry) feature.getDefaultGeometry();
72 |             if(point.within(geom)) {
73 |                 return TimeZone.getTimeZone((String)(feature.getAttribute("TZID")));
74 |             }
75 |         }
76 |         //not found, thus find nearest time zone
77 |         double minDistance = Double.MAX_VALUE;
78 |         SimpleFeature minFeature = null;
79 |         for(Object o : regions){
80 |             SimpleFeature feature = (SimpleFeature) o;
81 |             Geometry geom = (Geometry) feature.getDefaultGeometry();
82 |             double distance = point.distance(geom);
83 |             if(distance < minDistance){
84 |                 minFeature = feature;
85 |                 minDistance = distance;
86 |             }
87 |         }
88 |         if(minFeature != null) {
89 |             return TimeZone.getTimeZone((String) (minFeature.getAttribute("TZID")));
90 |         }
91 |         throw new IllegalStateException("could not determine a time zone for location: " + lat + ", " + lon);
92 |     }
93 | }
94 | 


--------------------------------------------------------------------------------
/timezone-webapp/app.yml:
--------------------------------------------------------------------------------
 1 | # general settings:
 2 | # http://www.dropwizard.io/manual/configuration.html
 3 | 
 4 | server:
 5 |   applicationConnectors:
 6 |     - type: http
 7 |       port: 8080
 8 | 
 9 |   adminConnectors:
10 |     - type: http
11 |       port: 8081
12 | 
13 | logging:
14 |   level: INFO
15 | 
16 |   loggers:
17 |     "org.hibernate": INFO
18 | 
19 |   appenders:
20 |     - type: console
21 |       timeZone: UTC
22 |       logFormat: "%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n"
23 | 
24 | worldDataLocation: "/Users/schroeder/IdeaProjects/timezone/world-data/tz_world.shp"
25 | 
26 | 


--------------------------------------------------------------------------------
/timezone-webapp/pom.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project xmlns="http://maven.apache.org/POM/4.0.0"
 3 |          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4 |          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5 |     <parent>
 6 |         <artifactId>timezone</artifactId>
 7 |         <groupId>timezone</groupId>
 8 |         <version>2.0.1-SNAPSHOT</version>
 9 |     </parent>
10 |     <modelVersion>4.0.0</modelVersion>
11 | 
12 |     <artifactId>timezone-webapp</artifactId>
13 | 
14 |     <dependencies>
15 |         <dependency>
16 |             <groupId>timezone</groupId>
17 |             <artifactId>timezone-core</artifactId>
18 |             <version>2.0.1-SNAPSHOT</version>
19 |         </dependency>
20 |     </dependencies>
21 | 
22 | </project>


--------------------------------------------------------------------------------
/timezone-webapp/src/main/java/com/graphhopper/timezone/webservice/App.java:
--------------------------------------------------------------------------------
 1 | /*
 2 |  * Licensed to GraphHopper GmbH under one or more contributor
 3 |  * license agreements. See the NOTICE file distributed with this work for
 4 |  * additional information regarding copyright ownership.
 5 |  *
 6 |  * GraphHopper GmbH licenses this file to you under the Apache License,
 7 |  * Version 2.0 (the "License"); you may not use this file except in
 8 |  * compliance with the License. You may obtain a copy of the License at
 9 |  *
10 |  *       http://www.apache.org/licenses/LICENSE-2.0
11 |  *
12 |  * Unless required by applicable law or agreed to in writing, software
13 |  * distributed under the License is distributed on an "AS IS" BASIS,
14 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 |  * See the License for the specific language governing permissions and
16 |  * limitations under the License.
17 |  */
18 | 
19 | package com.graphhopper.timezone.webservice;
20 | 
21 | import com.graphhopper.timezone.core.TimeZones;
22 | 
23 | import com.graphhopper.timezone.webservice.resources.TimeZoneService;
24 | import io.dropwizard.Application;
25 | import io.dropwizard.assets.AssetsBundle;
26 | import io.dropwizard.setup.Bootstrap;
27 | import io.dropwizard.setup.Environment;
28 | import org.eclipse.jetty.servlets.CrossOriginFilter;
29 | 
30 | import javax.servlet.DispatcherType;
31 | import javax.servlet.FilterRegistration;
32 | import java.io.File;
33 | import java.io.IOException;
34 | import java.util.EnumSet;
35 | 
36 | /**
37 |  * Created by schroeder on 22/12/14.
38 |  */
39 | public class App extends Application<AppConfig> {
40 | 
41 |     /*
42 | 
43 |      @ToDo remove meta info
44 |      @ToDo more stats such as expected waiting time queue
45 | 
46 |      */
47 |     public static void main(String[] args) throws Exception {
48 |         new App().run(args);
49 |     }
50 | 
51 |     @Override
52 |     public String getName() {
53 |         return "timezone app";
54 |     }
55 | 
56 |     @Override
57 |     public void initialize(Bootstrap<AppConfig> bootstrap) {
58 | 
59 |         // we need only the spec json to be in sync with repo
60 |         bootstrap.addBundle(new AssetsBundle("/assets", "/lib", null, "lib"));
61 |     }
62 | 
63 |     @Override
64 |     public void run(AppConfig configuration, Environment environment) throws IOException {
65 | 
66 |         // Enable CORS headers
67 |         final FilterRegistration.Dynamic cors = environment.servlets().addFilter("CORS", CrossOriginFilter.class);
68 | 
69 |         // Configure CORS parameters
70 |         cors.setInitParameter("allowedOrigins", "*");
71 |         cors.setInitParameter("allowedHeaders", "X-Requested-With,Content-Type,Accept,Origin");
72 |         cors.setInitParameter("allowedMethods", "OPTIONS,GET,PUT,POST,DELETE,HEAD");
73 | 
74 |         // Add URL mapping
75 |         cors.addMappingForUrlPatterns(EnumSet.allOf(DispatcherType.class), true, "/*");
76 | 
77 |         TimeZones timeZones = new TimeZones();
78 |         timeZones.initWithWorldData(new File(configuration.getWorldDataLocation()).toURI().toURL());
79 |         TimeZoneService timeZoneService = new TimeZoneService(timeZones);
80 | 
81 |         environment.jersey().register(timeZoneService);
82 | 
83 | //        // healthChecks
84 | //        environment.healthChecks().register("app-health-check", new AppHealthCheck());
85 | //
86 | //        // filter
87 | //        environment.servlets().addFilter("ip-filter", new IPFilter(configuration.getIPWhiteList(), configuration.getIPBlackList())).addMappingForUrlPatterns(EnumSet.allOf(DispatcherType.class), true, "/*");
88 |     }
89 | }
90 | 


--------------------------------------------------------------------------------
/timezone-webapp/src/main/java/com/graphhopper/timezone/webservice/AppConfig.java:
--------------------------------------------------------------------------------
 1 | /*
 2 |  * Licensed to GraphHopper GmbH under one or more contributor
 3 |  * license agreements. See the NOTICE file distributed with this work for
 4 |  * additional information regarding copyright ownership.
 5 |  *
 6 |  * GraphHopper GmbH licenses this file to you under the Apache License,
 7 |  * Version 2.0 (the "License"); you may not use this file except in
 8 |  * compliance with the License. You may obtain a copy of the License at
 9 |  *
10 |  *       http://www.apache.org/licenses/LICENSE-2.0
11 |  *
12 |  * Unless required by applicable law or agreed to in writing, software
13 |  * distributed under the License is distributed on an "AS IS" BASIS,
14 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 |  * See the License for the specific language governing permissions and
16 |  * limitations under the License.
17 |  */
18 | 
19 | package com.graphhopper.timezone.webservice;
20 | 
21 | import com.fasterxml.jackson.annotation.JsonProperty;
22 | 
23 | /**
24 |  * Created by schroeder on 22/12/14.
25 |  */
26 | public class AppConfig extends io.dropwizard.Configuration {
27 | 
28 | //    private String ipBlackList = "";
29 | //
30 | //    private String ipWhiteList = "";
31 | 
32 |     @JsonProperty("worldDataLocation")
33 |     private String worldDataLocation = "";
34 | 
35 | //    @JsonProperty(value = "ipBlackList")
36 | //    public String getIPBlackList() {
37 | //        return ipBlackList;
38 | //    }
39 | //
40 | //    @JsonProperty(value = "ipBlackList")
41 | //    public void setIPBlackList(String ipBlackList) {
42 | //        this.ipBlackList = ipBlackList;
43 | //    }
44 | //
45 | //    @JsonProperty(value = "ipWhiteList")
46 | //    public String getIPWhiteList() {
47 | //        return ipWhiteList;
48 | //    }
49 | //
50 | //    @JsonProperty(value = "ipWhiteList")
51 | //    public void setIPWhiteList(String ipWhiteList) {
52 | //        this.ipWhiteList = ipWhiteList;
53 | //    }
54 | 
55 |     public String getWorldDataLocation(){
56 |         return worldDataLocation;
57 |     }
58 | 
59 |     public void setWorldDataLocation(String worldDataLocation){
60 |         this.worldDataLocation = worldDataLocation;
61 |     }
62 | }
63 | 


--------------------------------------------------------------------------------
/timezone-webapp/src/main/java/com/graphhopper/timezone/webservice/api/LocalTime.java:
--------------------------------------------------------------------------------
  1 | /*
  2 |  * Licensed to GraphHopper GmbH under one or more contributor
  3 |  * license agreements. See the NOTICE file distributed with this work for
  4 |  * additional information regarding copyright ownership.
  5 |  *
  6 |  * GraphHopper GmbH licenses this file to you under the Apache License,
  7 |  * Version 2.0 (the "License"); you may not use this file except in
  8 |  * compliance with the License. You may obtain a copy of the License at
  9 |  *
 10 |  *       http://www.apache.org/licenses/LICENSE-2.0
 11 |  *
 12 |  * Unless required by applicable law or agreed to in writing, software
 13 |  * distributed under the License is distributed on an "AS IS" BASIS,
 14 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 15 |  * See the License for the specific language governing permissions and
 16 |  * limitations under the License.
 17 |  */
 18 | 
 19 | package com.graphhopper.timezone.webservice.api;
 20 | 
 21 | import com.fasterxml.jackson.annotation.JsonProperty;
 22 | 
 23 | import java.time.OffsetDateTime;
 24 | import java.time.format.TextStyle;
 25 | import java.util.Locale;
 26 | 
 27 | /**
 28 |  * Created by schroeder on 02/03/17.
 29 |  */
 30 | public class LocalTime {
 31 | 
 32 |     private final int offset;
 33 |     private final String offsetString;
 34 |     private final int year;
 35 |     private final String month;
 36 |     private final int dayOfMonth;
 37 |     private final String dayOfWeek;
 38 |     private final int monthValue;
 39 |     private final int hour;
 40 |     private final int minute;
 41 |     private final int second;
 42 |     private final int nano;
 43 | 
 44 |     public LocalTime(OffsetDateTime offsetDateTime, Locale locale) {
 45 |         offset = offsetDateTime.getOffset().getTotalSeconds();
 46 |         offsetString = offsetDateTime.getOffset().toString();
 47 |         year = offsetDateTime.getYear();
 48 |         month = offsetDateTime.getMonth().getDisplayName(TextStyle.FULL,locale);
 49 |         dayOfMonth = offsetDateTime.getDayOfMonth();
 50 |         dayOfWeek = offsetDateTime.getDayOfWeek().getDisplayName(TextStyle.FULL,locale);
 51 |         monthValue = offsetDateTime.getMonthValue();
 52 |         hour = offsetDateTime.getHour();
 53 |         minute = offsetDateTime.getMinute();
 54 |         second = offsetDateTime.getSecond();
 55 |         nano = offsetDateTime.getNano();
 56 |     }
 57 | 
 58 |     public LocalTime(OffsetDateTime offsetDateTime) {
 59 |         this(offsetDateTime, Locale.forLanguageTag("en"));
 60 |     }
 61 | 
 62 |     @JsonProperty("offset")
 63 |     public int getOffset() {
 64 |         return offset;
 65 |     }
 66 |     
 67 |     @JsonProperty("offset_string")
 68 |     public String getOffsetString() {
 69 |     	return "GMT" + offsetString;
 70 |     }
 71 | 
 72 |     @JsonProperty("day_of_month")
 73 |     public int getDayOfMonth() {
 74 |         return dayOfMonth;
 75 |     }
 76 | 
 77 |     @JsonProperty("day_of_week")
 78 |     public String getDayOfWeek() {
 79 |         return dayOfWeek;
 80 |     }
 81 | 
 82 |     @JsonProperty("month_value")
 83 |     public int getMonthValue() {
 84 |         return monthValue;
 85 |     }
 86 | 
 87 |     @JsonProperty("hour")
 88 |     public int getHour() {
 89 |         return hour;
 90 |     }
 91 | 
 92 |     @JsonProperty("minute")
 93 |     public int getMinute() {
 94 |         return minute;
 95 |     }
 96 | 
 97 |     @JsonProperty("second")
 98 |     public int getSecond() {
 99 |         return second;
100 |     }
101 | 
102 |     @JsonProperty("nano")
103 |     public int getNano() {
104 |         return nano;
105 |     }
106 | 
107 |     @JsonProperty("year")
108 |     public int getYear() {
109 |         return year;
110 |     }
111 | 
112 |     @JsonProperty("month")
113 |     public String getMonth() {
114 |         return month;
115 |     }
116 | }
117 | 


--------------------------------------------------------------------------------
/timezone-webapp/src/main/java/com/graphhopper/timezone/webservice/api/TimeZoneResponse.java:
--------------------------------------------------------------------------------
 1 | /*
 2 |  * Licensed to GraphHopper GmbH under one or more contributor
 3 |  * license agreements. See the NOTICE file distributed with this work for
 4 |  * additional information regarding copyright ownership.
 5 |  *
 6 |  * GraphHopper GmbH licenses this file to you under the Apache License,
 7 |  * Version 2.0 (the "License"); you may not use this file except in
 8 |  * compliance with the License. You may obtain a copy of the License at
 9 |  *
10 |  *       http://www.apache.org/licenses/LICENSE-2.0
11 |  *
12 |  * Unless required by applicable law or agreed to in writing, software
13 |  * distributed under the License is distributed on an "AS IS" BASIS,
14 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 |  * See the License for the specific language governing permissions and
16 |  * limitations under the License.
17 |  */
18 | 
19 | package com.graphhopper.timezone.webservice.api;
20 | 
21 | import com.fasterxml.jackson.annotation.JsonProperty;
22 | 
23 | 
24 | import javax.validation.constraints.NotNull;
25 | 
26 | /**
27 |  * Created by schroeder on 01/03/17.
28 |  */
29 | public class TimeZoneResponse {
30 | 
31 |     @NotNull
32 |     private String timeZoneId;
33 | 
34 |     private String displayName;
35 | 
36 |     private LocalTime localTime;
37 | 
38 |     public TimeZoneResponse(String timeZoneId, LocalTime localTime, String displayName) {
39 |         this.timeZoneId = timeZoneId;
40 |         this.localTime = localTime;
41 |         this.displayName = displayName;
42 |     }
43 | 
44 |     @JsonProperty("timezone")
45 |     public String getTimeZoneId() {
46 |         return timeZoneId;
47 |     }
48 | 
49 |     @JsonProperty("timezone_name")
50 |     public String getDisplayName() {
51 |         return displayName;
52 |     }
53 | 
54 |     @JsonProperty("local_time")
55 |     public LocalTime getLocalTime() {
56 |         return localTime;
57 |     }
58 | 
59 |     public String toString() {
60 |         return timeZoneId + " (" + displayName + " : " + localTime.getOffsetString() + ")";
61 |     }
62 | }
63 | 


--------------------------------------------------------------------------------
/timezone-webapp/src/main/java/com/graphhopper/timezone/webservice/resources/TimeZoneService.java:
--------------------------------------------------------------------------------
  1 | /*
  2 |  * Licensed to GraphHopper GmbH under one or more contributor
  3 |  * license agreements. See the NOTICE file distributed with this work for
  4 |  * additional information regarding copyright ownership.
  5 |  *
  6 |  * GraphHopper GmbH licenses this file to you under the Apache License,
  7 |  * Version 2.0 (the "License"); you may not use this file except in
  8 |  * compliance with the License. You may obtain a copy of the License at
  9 |  *
 10 |  *       http://www.apache.org/licenses/LICENSE-2.0
 11 |  *
 12 |  * Unless required by applicable law or agreed to in writing, software
 13 |  * distributed under the License is distributed on an "AS IS" BASIS,
 14 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 15 |  * See the License for the specific language governing permissions and
 16 |  * limitations under the License.
 17 |  */
 18 | package com.graphhopper.timezone.webservice.resources;
 19 | 
 20 | 
 21 | import com.codahale.metrics.annotation.Timed;
 22 | import com.graphhopper.timezone.core.TimeZones;
 23 | 
 24 | import com.graphhopper.timezone.webservice.api.LocalTime;
 25 | import com.graphhopper.timezone.webservice.api.TimeZoneResponse;
 26 | import io.dropwizard.jersey.errors.ErrorMessage;
 27 | 
 28 | import javax.ws.rs.*;
 29 | 
 30 | import javax.ws.rs.core.Context;
 31 | import javax.ws.rs.core.MediaType;
 32 | import javax.ws.rs.core.Response;
 33 | import javax.ws.rs.core.UriInfo;
 34 | import java.time.OffsetDateTime;
 35 | import java.util.ArrayList;
 36 | import java.util.List;
 37 | import java.util.Locale;
 38 | import java.util.TimeZone;
 39 | 
 40 | import static javax.ws.rs.core.Response.Status.BAD_REQUEST;
 41 | 
 42 | @Path("/timezone")
 43 | @Consumes(MediaType.APPLICATION_JSON)
 44 | @Produces(MediaType.APPLICATION_JSON)
 45 | public class TimeZoneService {
 46 | 
 47 |     private static final org.slf4j.Logger LOGGER = org.slf4j.LoggerFactory.getLogger(TimeZoneService.class);
 48 | 
 49 |     private TimeZones timeZones;
 50 | 
 51 |     public TimeZoneService(TimeZones timeZoneReader) {
 52 |         this.timeZones = timeZoneReader;
 53 |     }
 54 | 
 55 |     @GET
 56 |     @Timed
 57 |     public Response handle(@Context UriInfo uriInfo){
 58 |         List<String> location = new ArrayList<>();
 59 |         if(uriInfo.getQueryParameters().containsKey("location")) {
 60 |             location = uriInfo.getQueryParameters().get("location");
 61 |             if (location.size() != 1)
 62 |                 throwError(BAD_REQUEST.getStatusCode(), "only one location needs to be specified");
 63 |         }
 64 |         else throwError(BAD_REQUEST.getStatusCode(), "location missing. a location needs to be specified");;
 65 |         List<String> timestamps = new ArrayList<>();
 66 |         if(uriInfo.getQueryParameters().containsKey("timestamp")) {
 67 |             timestamps = uriInfo.getQueryParameters().get("timestamp");
 68 |             if (timestamps.size() != 1)
 69 |                 throwError(BAD_REQUEST.getStatusCode(), "only one unix timestamp needs to be specified");
 70 |         }
 71 |         else throwError(BAD_REQUEST.getStatusCode(), "timestamp missing. unix timestamp needs to be specified");
 72 |         Locale locale = Locale.forLanguageTag("en");
 73 |         if(uriInfo.getQueryParameters().containsKey("language")) {
 74 |             List<String> languages = uriInfo.getQueryParameters().get("language");
 75 |             if (languages.size() != 1) throwError(BAD_REQUEST.getStatusCode(), "only one language needs to be specified");
 76 |             locale = Locale.forLanguageTag(languages.get(0));
 77 |         }
 78 | 
 79 |         String[] locationTokens = location.get(0).split(",");
 80 | 
 81 |         double lat = Double.parseDouble(locationTokens[0]);
 82 |         double lon = Double.parseDouble(locationTokens[1]);
 83 |         long timestamp = Long.parseLong(timestamps.get(0));
 84 | 
 85 |         String timeZoneId = timeZones.getTimeZone(lat,lon).getID();
 86 | 
 87 |         if(timeZoneId == null) {
 88 |             throwError(BAD_REQUEST.getStatusCode(),"could not localize location " + lat + ", " + lon);
 89 |         }
 90 | 
 91 |         TimeZone timeZone = TimeZone.getTimeZone(timeZoneId);
 92 |         OffsetDateTime localTime = timeZones.getOffsetDateTime(timestamp,timeZone);
 93 | 
 94 |         String displayName = timeZone.getDisplayName(locale);
 95 |         TimeZoneResponse timeZoneResponse = new TimeZoneResponse(timeZoneId, new LocalTime(localTime,locale), displayName);
 96 |         return Response.status(Response.Status.OK).entity(timeZoneResponse).build();
 97 |     }
 98 | 
 99 |     private void throwError(int statusCode, String msg){
100 |         ErrorMessage errorMessage = new ErrorMessage(statusCode, msg);
101 |         throw new WebApplicationException(errorMessage.getMessage(), Response.status(statusCode)
102 |                 .entity(errorMessage)
103 |                 .type(MediaType.APPLICATION_JSON).
104 |                         build());
105 |     }
106 | }
107 | 


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/world-data/tz_world.png:
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https://raw.githubusercontent.com/graphhopper/timezone/7220c5d63e6d78849a5485edd9c31c0f85fec350/world-data/tz_world.png


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/world-data/tz_world.prj:
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1 | GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]]


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/world-data/tz_world.shp:
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https://raw.githubusercontent.com/graphhopper/timezone/7220c5d63e6d78849a5485edd9c31c0f85fec350/world-data/tz_world.shp


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/world-data/tz_world.shx:
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https://raw.githubusercontent.com/graphhopper/timezone/7220c5d63e6d78849a5485edd9c31c0f85fec350/world-data/tz_world.shx


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