8e80217e59
Former-commit-id:a02aeb236c[formerly9f19e3f712] [formerly06a8b51d6d[formerly 64fa9254b946eae7e61bbc3f513b7c3696c4f54f]] Former-commit-id:06a8b51d6dFormer-commit-id:3360eb6c5f
72 lines
2.4 KiB
Java
72 lines
2.4 KiB
Java
/*****************************************************************************************
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* COPYRIGHT (c), 2007, RAYTHEON COMPANY
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* ALL RIGHTS RESERVED, An Unpublished Work
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*
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* RAYTHEON PROPRIETARY
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* If the end user is not the U.S. Government or any agency thereof, use
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* or disclosure of data contained in this source code file is subject to
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* the proprietary restrictions set forth in the Master Rights File.
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*
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* U.S. GOVERNMENT PURPOSE RIGHTS NOTICE
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* If the end user is the U.S. Government or any agency thereof, this source
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* code is provided to the U.S. Government with Government Purpose Rights.
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* Use or disclosure of data contained in this source code file is subject to
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* the "Government Purpose Rights" restriction in the Master Rights File.
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*
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* U.S. EXPORT CONTROLLED TECHNICAL DATA
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* Use or disclosure of data contained in this source code file is subject to
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* the export restrictions set forth in the Master Rights File.
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******************************************************************************************/
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package com.raytheon.uf.common.geospatial;
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import java.util.TimeZone;
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import com.raytheon.uf.common.geospatial.ISpatialQuery.SearchMode;
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import com.vividsolutions.jts.geom.Coordinate;
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import com.vividsolutions.jts.geom.GeometryFactory;
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/**
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* Utility to retrieve local time zone given a lat/lon
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*
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* <pre>
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*
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* SOFTWARE HISTORY
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*
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* Date Ticket# Engineer Description
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* ------------ ---------- ----------- --------------------------
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* 02/04/2011 #7175 randerso Initial creation
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*
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* </pre>
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*
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* @author randerso
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* @version 1.0
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*/
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public class LocalTimeZone {
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/**
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* Retriev the time zone for a given lat/lon
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*
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* @param lonLat
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* desired point
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* @return the local time zone
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*
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* @throws SpatialException
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*/
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public static TimeZone getLocalTimeZone(Coordinate lonLat)
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throws SpatialException {
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GeometryFactory gf = new GeometryFactory();
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ISpatialQuery sq = SpatialQueryFactory.create();
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SpatialQueryResult[] results = sq.query("timezones",
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new String[] { "unix_time" }, gf.createPoint(lonLat), null,
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SearchMode.WITHIN);
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if (results.length > 0) {
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String tz = (String) results[0].attributes.get("unix_time");
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return TimeZone.getTimeZone(tz);
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}
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return TimeZone.getTimeZone("GMT");
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}
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}
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