Android Open Source - smartnavi Kml Multi Geometry

From Project

Back to project page smartnavi.
License

The source code is released under:
Apache License
If you think the Android project smartnavi listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package org.osmdroid.bonuspack.kml;
/*  www . j  a  va 2  s. c  o m*/
import android.content.Context;
import android.os.Parcel;
import android.os.Parcelable;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;

import org.osmdroid.bonuspack.kml.KmlFeature.Styler;
import org.osmdroid.bonuspack.overlays.FolderOverlay;
import org.osmdroid.bonuspack.utils.BonusPackHelper;
import org.osmdroid.util.BoundingBoxE6;
import org.osmdroid.util.GeoPoint;
import org.osmdroid.views.MapView;
import org.osmdroid.views.overlay.Overlay;

import java.io.IOException;
import java.io.Writer;
import java.util.ArrayList;

/**
 * KML MultiGeometry and/or GeoJSON GeometryCollection.
 * It can also parse GeoJSON MultiPoint.
 *
 * @author M.Kergall
 */
public class KmlMultiGeometry extends KmlGeometry implements Cloneable, Parcelable {

    public static final Parcelable.Creator<KmlMultiGeometry> CREATOR = new Parcelable.Creator<KmlMultiGeometry>() {
        @Override
        public KmlMultiGeometry createFromParcel(Parcel source) {
            return new KmlMultiGeometry(source);
        }

        @Override
        public KmlMultiGeometry[] newArray(int size) {
            return new KmlMultiGeometry[size];
        }
    };
    /**
     * list of KmlGeometry items. Can be empty if none, but is not null
     */
    public ArrayList<KmlGeometry> mItems;

    public KmlMultiGeometry() {
        super();
        mItems = new ArrayList<KmlGeometry>();
    }

    /**
     * GeoJSON constructor
     */
    public KmlMultiGeometry(JsonObject json) {
        this();
        String type = json.get("type").getAsString();
        if ("GeometryCollection".equals(type)) {
            JsonArray geometries = json.get("geometries").getAsJsonArray();
            if (geometries != null) {
                for (JsonElement geometrieJSON : geometries) {
                    mItems.add(parseGeoJSON(geometrieJSON.getAsJsonObject()));
                }
            }
        } else if ("MultiPoint".equals(type)) {
            JsonArray coordinates = json.get("coordinates").getAsJsonArray();
            ArrayList<GeoPoint> positions = parseGeoJSONPositions(coordinates);
            for (GeoPoint p : positions) {
                KmlPoint kmlPoint = new KmlPoint(p);
                mItems.add(kmlPoint);
            }
        }
    }

    public KmlMultiGeometry(Parcel in) {
        super(in);
        mItems = in.readArrayList(KmlGeometry.class.getClassLoader());
    }

    public void addItem(KmlGeometry item) {
        mItems.add(item);
    }

    /**
     * Build a FolderOverlay containing all overlays from this MultiGeometry items
     */
    @Override
    public Overlay buildOverlay(MapView map, Style defaultStyle, Styler styler, KmlPlacemark kmlPlacemark,
                                KmlDocument kmlDocument) {
        Context context = map.getContext();
        FolderOverlay folderOverlay = new FolderOverlay(context);
        for (KmlGeometry k : mItems) {
            Overlay overlay = k.buildOverlay(map, defaultStyle, styler, kmlPlacemark, kmlDocument);
            folderOverlay.add(overlay);
        }
        return folderOverlay;
    }

    @Override
    public void saveAsKML(Writer writer) {
        try {
            writer.write("<MultiGeometry>\n");
            for (KmlGeometry item : mItems)
                item.saveAsKML(writer);
            writer.write("</MultiGeometry>\n");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    //Cloneable implementation ------------------------------------

    @Override
    public JsonObject asGeoJSON() {
        JsonObject json = new JsonObject();
        json.addProperty("type", "GeometryCollection");
        JsonArray geometries = new JsonArray();
        for (KmlGeometry item : mItems)
            geometries.add(item.asGeoJSON());
        json.add("geometries", geometries);
        return json;
    }

    //Parcelable implementation ------------

    @Override
    public BoundingBoxE6 getBoundingBox() {
        BoundingBoxE6 finalBB = null;
        for (KmlGeometry item : mItems) {
            BoundingBoxE6 itemBB = item.getBoundingBox();
            if (itemBB != null) {
                if (finalBB == null) {
                    finalBB = BonusPackHelper.cloneBoundingBoxE6(itemBB);
                } else {
                    finalBB = BonusPackHelper.concatBoundingBoxE6(itemBB, finalBB);
                }
            }
        }
        return finalBB;
    }

    @Override
    public KmlMultiGeometry clone() {
        KmlMultiGeometry kmlMultiGeometry = (KmlMultiGeometry) super.clone();
        kmlMultiGeometry.mItems = new ArrayList<KmlGeometry>(mItems.size());
        for (KmlGeometry item : mItems)
            kmlMultiGeometry.mItems.add(item.clone());
        return kmlMultiGeometry;
    }

    @Override
    public int describeContents() {
        return 0;
    }

    @Override
    public void writeToParcel(Parcel out, int flags) {
        super.writeToParcel(out, flags);
        out.writeList(mItems);
    }
}
Java Source Code List
