129 lines
3.5 KiB
Java
129 lines
3.5 KiB
Java
/**
|
|
* Copyright 2013 OpenSocial Foundation
|
|
* Copyright 2013 International Business Machines Corporation
|
|
*
|
|
* 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.
|
|
*
|
|
* Utility library for working with Activity Streams Actions
|
|
* Requires underscorejs.
|
|
*
|
|
* @author James M Snell (jasnell@us.ibm.com)
|
|
*/
|
|
package com.ibm.common.geojson;
|
|
|
|
import static com.ibm.common.geojson.BoundingBox.calculateBoundingBoxGeometries;
|
|
|
|
import java.io.ObjectStreamException;
|
|
import java.util.Iterator;
|
|
|
|
import com.google.common.collect.ImmutableList;
|
|
import com.google.common.collect.Iterables;
|
|
|
|
public final class GeometryCollection
|
|
extends Geometry<GeometryCollection, Geometry<?,?>> {
|
|
|
|
public static final class Builder
|
|
extends GeoObject.Builder<GeometryCollection, Builder> {
|
|
|
|
private final ImmutableList.Builder<Geometry<?,?>> list =
|
|
ImmutableList.builder();
|
|
|
|
public Builder() {
|
|
type(GeoObject.Type.GEOMETRYCOLLECTION);
|
|
}
|
|
|
|
public Builder add(Geometry<?,?> geometry, Geometry<?,?>... geometries) {
|
|
list.add(geometry);
|
|
if (geometries != null)
|
|
list.add(geometries);
|
|
return this;
|
|
}
|
|
|
|
public Builder add(Iterable<Geometry<?,?>> geometries) {
|
|
list.addAll(geometries);
|
|
return this;
|
|
}
|
|
|
|
@Override
|
|
public void preGet() {
|
|
set("geometries", list.build());
|
|
}
|
|
|
|
@Override
|
|
public GeometryCollection doGet() {
|
|
return new GeometryCollection(this);
|
|
}
|
|
}
|
|
|
|
GeometryCollection(Builder builder) {
|
|
super(builder);
|
|
}
|
|
|
|
public Iterable<Geometry<?,?>> geometries() {
|
|
return this.<Iterable<Geometry<?,?>>>get(
|
|
"geometries",
|
|
ImmutableList.<Geometry<?,?>>of());
|
|
}
|
|
|
|
public int size() {
|
|
return Iterables.size(geometries());
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
public <G extends Geometry<?,?>>G get(int idx) {
|
|
return (G)Iterables.get(geometries(),idx);
|
|
}
|
|
|
|
public Iterator<Geometry<?,?>> iterator() {
|
|
return geometries().iterator();
|
|
}
|
|
|
|
@Override
|
|
public GeometryCollection makeWithBoundingBox() {
|
|
return new GeometryCollection.Builder()
|
|
.from(this)
|
|
.add(this)
|
|
.boundingBox(calculateBoundingBoxGeometries(this))
|
|
.get();
|
|
}
|
|
|
|
Object writeReplace() throws java.io.ObjectStreamException {
|
|
return new SerializedForm(this);
|
|
}
|
|
|
|
private static class SerializedForm
|
|
extends AbstractSerializedForm<GeometryCollection,GeometryCollection.Builder> {
|
|
private static final long serialVersionUID = -2060301713159936281L;
|
|
protected SerializedForm(GeometryCollection obj) {
|
|
super(obj);
|
|
}
|
|
Object readResolve() throws ObjectStreamException {
|
|
return doReadResolve();
|
|
}
|
|
@SuppressWarnings("unchecked")
|
|
@Override
|
|
protected boolean handle(Builder builder, String key, Object val) {
|
|
if ("geometries".equals(key)) {
|
|
Iterable<Geometry<?,?>> list = (Iterable<Geometry<?, ?>>) val;
|
|
builder.list.addAll(list);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
@Override
|
|
protected GeometryCollection.Builder builder() {
|
|
return GeoMakers.geometryCollection();
|
|
}
|
|
}
|
|
}
|