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Viewing changes to com.bdaum.zoom.gps.naming.google/src/com/bdaum/zoom/gps/naming/google/internal/GoogleGeoCodeParser.java

  • Committer: bdaum
  • Date: 2015-12-26 10:21:51 UTC
  • Revision ID: berthold.daum@bdaum.de-20151226102151-44f1j5113167thb9
Version 2.4.0

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com.bdaum.zoom.gps.naming.google/src/com/bdaum/zoom/gps/naming/google/internal/GoogleGeoCodeParser.java
 
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package com.bdaum.zoom.gps.naming.google.internal;
 
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import java.io.InputStream;
 
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import java.text.ParseException;
 
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import javax.xml.parsers.ParserConfigurationException;
 
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import org.eclipse.osgi.util.NLS;
 
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import org.xml.sax.Attributes;
 
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import org.xml.sax.SAXException;
 
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import org.xml.sax.helpers.DefaultHandler;
 
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import com.bdaum.zoom.gps.geonames.AbstractParser;
 
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import com.bdaum.zoom.gps.geonames.WebServiceException;
 
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import com.bdaum.zoom.ui.gps.WaypointArea;
 
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@SuppressWarnings("restriction")
 
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public class GoogleGeoCodeParser extends AbstractParser {
 
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        private static final String RESULT = "result"; //$NON-NLS-1$
 
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        private static final String ADDRESS = "formatted_address"; //$NON-NLS-1$
 
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        private static final String LNG = "lng"; //$NON-NLS-1$
 
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        private static final String LAT = "lat"; //$NON-NLS-1$
 
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        private static final String LOCATION = "location"; //$NON-NLS-1$
 
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        private static final String GEOMETRY = "geometry"; //$NON-NLS-1$
 
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        private static final String VIEWPORT = "viewport"; //$NON-NLS-1$
 
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        private static final String SOUTHWEST = "southwest"; //$NON-NLS-1$
 
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        private static final String NORTHEAST = "northeast"; //$NON-NLS-1$
 
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        private static final String STATUS = "status";//$NON-NLS-1$
 
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        private static final String STATUS_OK = "OK"; //$NON-NLS-1$
 
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        private static final String STATUS_QUERYLIMIT = "OVER_QUERY_LIMIT"; //$NON-NLS-1$
 
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        protected boolean northeast;
 
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        public GoogleGeoCodeParser(InputStream in)
 
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                        throws ParserConfigurationException, SAXException {
 
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                super(in);
 
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        }
 
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        @Override
 
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        protected DefaultHandler getHandler() {
 
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                DefaultHandler handler = new DefaultHandler() {
 
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                        private boolean geo = false;
 
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                        private WaypointArea waypoint;
 
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                        private boolean geometry;
 
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                        private boolean location;
 
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                        private boolean viewport;
 
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                        private boolean southwest;
 
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                        @Override
 
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                        public void startElement(String namespaceURI, String localName,
 
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                                        String qName, Attributes atts) throws SAXException {
 
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                                if (RESULT.equals(qName)) {
 
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                                        geo = true;
 
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                                        waypoint = null;
 
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                                } else if (geo) {
 
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                                        if (GEOMETRY.equals(qName))
 
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                                                geometry = true;
 
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                                        else if (geometry && LOCATION.equals(qName))
 
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                                                location = true;
 
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                                        else if (geometry && VIEWPORT.equals(qName))
 
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                                                viewport = true;
 
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                                        else if (viewport && SOUTHWEST.equals(qName))
 
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                                                southwest = true;
 
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                                        else if (viewport && NORTHEAST.equals(qName))
 
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                                                northeast = true;
 
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                                }
 
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                                text.setLength(0);
 
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                        }
 
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                        @Override
 
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                        public void characters(char[] ch, int start, int length) {
 
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                                text.append(ch, start, length);
 
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                        }
 
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                        @Override
 
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                        public void endElement(String uri, String localName, String qName)
 
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                                        throws SAXException {
 
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                                if (geo) {
 
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                                        String s = text.toString();
 
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                                        if (STATUS.equals(qName) && !STATUS_OK.equals(s)) {
 
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                                                if (STATUS_QUERYLIMIT.equals(s))
 
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                                                        throw new WebServiceException(
 
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                                                                        NLS.bind(
 
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                                                                                        Messages.GooglePlaceParser_google_web_service_exception,
 
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                                                                                        text), new WebServiceException(s));
 
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                                                throw new WebServiceException(
 
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                                                                NLS.bind(
 
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                                                                                Messages.GooglePlaceParser_google_web_service_exception,
 
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                                                                                s));
 
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                                        } else if (ADDRESS.equals(qName)) {
 
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                                                getWaypoint().setName(s);
 
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                                        }
 
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                                        if (LAT.equals(qName)) {
 
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                                                try {
 
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                                                        double lat = getDouble(text.toString());
 
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                                                        if (location)
 
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                                                                getWaypoint().setLat(lat);
 
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                                                        else if (southwest)
 
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                                                                getWaypoint().setSWlat(lat);
 
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                                                        else if (northeast)
 
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                                                                getWaypoint().setNElat(lat);
 
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                                                } catch (ParseException e) {
 
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                                                        throw new SAXException(e);
 
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                                                }
 
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                                        } else if (LNG.equals(qName)) {
 
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                                                try {
 
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                                                        double lon = getDouble(text.toString());
 
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                                                        if (location)
 
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                                                                getWaypoint().setLon(lon);
 
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                                                        else if (southwest)
 
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                                                                getWaypoint().setSWlon(lon);
 
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                                                        else if (northeast)
 
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                                                                getWaypoint().setNElon(lon);
 
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                                                } catch (ParseException e) {
 
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                                                        throw new SAXException(e);
 
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                                                }
 
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                                        }
 
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                                        if (location && LOCATION.equals(qName))
 
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                                                location = false;
 
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                                        if (viewport) {
 
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                                                if (VIEWPORT.equals(qName))
 
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                                                        viewport = false;
 
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                                                else if (SOUTHWEST.equals(qName))
 
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                                                        southwest = false;
 
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                                                else if (NORTHEAST.equals(qName))
 
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                                                        northeast = false;
 
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                                        }
 
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                                }
 
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                        }
 
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                        public WaypointArea getWaypoint() {
 
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                                if (waypoint == null) {
 
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                                        waypoint = new WaypointArea();
 
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                                        pnts.add(waypoint);
 
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                                }
 
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                                return waypoint;
 
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                        }
 
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                };
 
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                return handler;
 
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        }
 
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}