Android Open Source - android-geofeed Geo R S S Line String

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License

The source code is released under:

Apache License

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Java Source Code

/**
 * Copyright 2012 52?North Initiative for Geospatial Open Source Software GmbH
 *//from   w ww .j av  a2  s  . com
 * 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.n52.geofeed.feed.geo.simple;

import org.n52.geofeed.exception.MalformedGeoElementExecption;
import org.n52.geofeed.feed.geo.BaseGeoFeedElement;
import org.n52.geofeed.feed.geo.ILineString;
import org.xml.sax.Attributes;

import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.GeometryFactory;
import com.vividsolutions.jts.geom.LineString;
import com.vividsolutions.jts.geom.Point;

/**
 * 
 * @author Arne de Wall <a.dewall@52North.org>
 * 
 */
public class GeoRSSLineString extends BaseGeoFeedElement implements ILineString {

    public GeoRSSLineString(String name, String uri, Attributes attibutes) {
        super(name, uri, attibutes);
    }

    @Override
    public double getSize() {
        return ((LineString) getGeometry()).getNumPoints();
    }

    @Override
    public Point getPoint(int idx) {   
        return ((LineString) getGeometry()).getPointN(idx);
    }

    @Override
    public LineString getLineString() { 
        return (LineString) getGeometry();
    }

    @Override
    protected void parseGeometry() throws MalformedGeoElementExecption {
        String[] coordStrings = getElement(LINE).getContentString().split(" ");
        if(coordStrings.length%2 != 0)
            throw new MalformedGeoElementExecption(LINE);
        
        Coordinate[] coordinates = new Coordinate[coordStrings.length/2];
        for(int i = 0, j = 0; i < coordStrings.length / 2; i+=2, j++){
            coordinates[j] = new Coordinate(Double.parseDouble(coordStrings[i]), 
                    Double.parseDouble(coordStrings[i+1]));
        }
        geometry = factory.createLineString(coordinates);
    }

}

Java Source Code List