com.datastax.dse.driver.internal.core.data.geometry.DefaultGeometry Maven / Gradle / Ivy
/*
* Copyright DataStax, Inc.
*
* 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 com.datastax.dse.driver.internal.core.data.geometry;
import com.datastax.dse.driver.api.core.data.geometry.Geometry;
import com.datastax.dse.driver.api.core.data.geometry.Point;
import com.datastax.oss.driver.shaded.guava.common.base.Preconditions;
import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableList;
import com.esri.core.geometry.GeometryException;
import com.esri.core.geometry.SpatialReference;
import com.esri.core.geometry.ogc.OGCGeometry;
import com.esri.core.geometry.ogc.OGCLineString;
import edu.umd.cs.findbugs.annotations.NonNull;
import java.io.InvalidObjectException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.nio.ByteBuffer;
import net.jcip.annotations.Immutable;
@Immutable
public abstract class DefaultGeometry implements Geometry, Serializable {
private static final long serialVersionUID = 1L;
/**
* Default spatial reference for Well Known Text / Well Known Binary.
*
* 4326 is the EPSG identifier of the World Geodetic System (WGS) in
* its later revision, WGS 84.
*/
public static final SpatialReference SPATIAL_REFERENCE_4326 = SpatialReference.create(4326);
@NonNull
public static T fromOgcWellKnownText(
@NonNull String source, @NonNull Class klass) {
OGCGeometry geometry;
try {
geometry = OGCGeometry.fromText(source);
} catch (IllegalArgumentException e) {
throw new IllegalArgumentException(e.getMessage());
}
validateType(geometry, klass);
return klass.cast(geometry);
}
@NonNull
public static T fromOgcWellKnownBinary(
@NonNull ByteBuffer source, @NonNull Class klass) {
OGCGeometry geometry;
try {
geometry = OGCGeometry.fromBinary(source);
} catch (IllegalArgumentException e) {
throw new IllegalArgumentException(e.getMessage());
}
validateType(geometry, klass);
return klass.cast(geometry);
}
@NonNull
public static T fromOgcGeoJson(
@NonNull String source, @NonNull Class klass) {
OGCGeometry geometry;
try {
geometry = OGCGeometry.fromGeoJson(source);
} catch (Exception e) {
throw new IllegalArgumentException(e.getMessage());
}
validateType(geometry, klass);
return klass.cast(geometry);
}
private static void validateType(OGCGeometry geometry, Class klass) {
if (!geometry.getClass().equals(klass)) {
throw new IllegalArgumentException(
String.format(
"%s is not of type %s", geometry.getClass().getSimpleName(), klass.getSimpleName()));
}
}
private final OGCGeometry ogcGeometry;
protected DefaultGeometry(@NonNull OGCGeometry ogcGeometry) {
this.ogcGeometry = ogcGeometry;
Preconditions.checkNotNull(ogcGeometry);
validateOgcGeometry(ogcGeometry);
}
private static void validateOgcGeometry(OGCGeometry geometry) {
try {
if (geometry.is3D()) {
throw new IllegalArgumentException(String.format("'%s' is not 2D", geometry.asText()));
}
if (!geometry.isSimple()) {
throw new IllegalArgumentException(
String.format(
"'%s' is not simple. Points and edges cannot self-intersect.", geometry.asText()));
}
} catch (GeometryException e) {
throw new IllegalArgumentException("Invalid geometry" + e.getMessage());
}
}
@NonNull
public static ImmutableList getPoints(@NonNull OGCLineString lineString) {
ImmutableList.Builder builder = ImmutableList.builder();
for (int i = 0; i < lineString.numPoints(); i++) {
builder.add(new DefaultPoint(lineString.pointN(i)));
}
return builder.build();
}
protected static com.esri.core.geometry.Point toEsri(Point p) {
return new com.esri.core.geometry.Point(p.X(), p.Y());
}
@NonNull
public OGCGeometry getOgcGeometry() {
return ogcGeometry;
}
@NonNull
public com.esri.core.geometry.Geometry getEsriGeometry() {
return ogcGeometry.getEsriGeometry();
}
@NonNull
@Override
public String asWellKnownText() {
return ogcGeometry.asText();
}
@NonNull
@Override
public ByteBuffer asWellKnownBinary() {
return WkbUtil.asLittleEndianBinary(ogcGeometry);
}
@NonNull
@Override
public String asGeoJson() {
return ogcGeometry.asGeoJson();
}
@Override
public boolean contains(@NonNull Geometry other) {
Preconditions.checkNotNull(other);
if (other instanceof DefaultGeometry) {
DefaultGeometry defautlOther = (DefaultGeometry) other;
return getOgcGeometry().contains(defautlOther.getOgcGeometry());
}
return false;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof DefaultGeometry)) {
return false;
}
DefaultGeometry that = (DefaultGeometry) o;
return this.getOgcGeometry().equals(that.getOgcGeometry());
}
@Override
public int hashCode() {
// OGCGeometry subclasses do not overwrite Object.hashCode()
// while com.esri.core.geometry.Geometry subclasses usually do,
// so use these instead; this is consistent with equals
// because OGCGeometry.equals() actually compare between
// com.esri.core.geometry.Geometry objects
return getEsriGeometry().hashCode();
}
// Should never be called since we serialize a proxy (see subclasses)
@SuppressWarnings("UnusedVariable")
private void readObject(ObjectInputStream stream) throws InvalidObjectException {
throw new InvalidObjectException("Proxy required");
}
@Override
public String toString() {
return asWellKnownText();
}
}