/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.spatial4j.core.shape.jts;
import com.spatial4j.core.context.SpatialContext;
import com.spatial4j.core.shape.Circle;
import com.spatial4j.core.shape.Point;
import com.spatial4j.core.shape.Rectangle;
import com.spatial4j.core.shape.Shape;
import com.spatial4j.core.shape.SpatialRelation;
import com.spatial4j.core.shape.impl.PointImpl;
import com.vividsolutions.jts.geom.CoordinateSequence;
/** Wraps a {@link com.vividsolutions.jts.geom.Point}. */
public class JtsPoint implements Point {
private final SpatialContext ctx;
private com.vividsolutions.jts.geom.Point pointGeom;
private final boolean empty;//cached
/** A simple constructor without normalization / validation. */
public JtsPoint(com.vividsolutions.jts.geom.Point pointGeom, SpatialContext ctx) {
this.ctx = ctx;
this.pointGeom = pointGeom;
this.empty = pointGeom.isEmpty();
}
public com.vividsolutions.jts.geom.Point getGeom() {
return pointGeom;
}
@Override
public boolean isEmpty() {
return empty;
}
@Override
public com.spatial4j.core.shape.Point getCenter() {
return this;
}
@Override
public boolean hasArea() {
return false;
}
@Override
public double getArea(SpatialContext ctx) {
return 0;
}
@Override
public Rectangle getBoundingBox() {
return ctx.makeRectangle(this, this);
}
@Override
public Circle getBuffered(double distance, SpatialContext ctx) {
return ctx.makeCircle(this, distance);
}
@Override
public SpatialRelation relate(Shape other) {
// ** NOTE ** the overall order of logic is kept consistent here with simple.PointImpl.
if (isEmpty() || other.isEmpty())
return SpatialRelation.DISJOINT;
if (other instanceof com.spatial4j.core.shape.Point)
return this.equals(other) ? SpatialRelation.INTERSECTS : SpatialRelation.DISJOINT;
return other.relate(this).transpose();
}
@Override
public double getX() {
return isEmpty() ? Double.NaN : pointGeom.getX();
}
@Override
public double getY() {
return isEmpty() ? Double.NaN : pointGeom.getY();
}
@Override
public void reset(double x, double y) {
assert ! isEmpty();
CoordinateSequence cSeq = pointGeom.getCoordinateSequence();
cSeq.setOrdinate(0, CoordinateSequence.X, x);
cSeq.setOrdinate(0, CoordinateSequence.Y, y);
}
@Override
public String toString() {
return "Pt(x="+getX()+",y="+getY()+")";
}
@Override
public boolean equals(Object o) {
return PointImpl.equals(this,o);
}
@Override
public int hashCode() {
return PointImpl.hashCode(this);
}
}