code: /*
   Copyright 1995-2018 Esri
  
     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.
  
   For additional information, contact:
   Environmental Systems Research Institute, Inc.
   Attn: Contracts Dept
   380 New York Street
   Redlands, California, USA 92373
  
   email: contracts@esri.com
   */
  
  package com.esri.core.geometry.ogc;
  
  import com.esri.core.geometry.GeoJsonExportFlags;
  import com.esri.core.geometry.Geometry;
  import com.esri.core.geometry.GeometryEngine;
  import com.esri.core.geometry.Operator;
  import com.esri.core.geometry.OperatorBoundary;
  import com.esri.core.geometry.OperatorExportToGeoJson;
  import com.esri.core.geometry.OperatorExportToWkb;
  import com.esri.core.geometry.OperatorFactoryLocal;
  import com.esri.core.geometry.Polyline;
  import com.esri.core.geometry.SpatialReference;
  import com.esri.core.geometry.WkbExportFlags;
  import com.esri.core.geometry.WktExportFlags;
  
  import java.nio.ByteBuffer;
  
  import static com.esri.core.geometry.SizeOf.SIZE_OF_OGC_MULTI_LINE_STRING;
  
  public class OGCMultiLineString extends OGCMultiCurve {
  	static public String TYPE = "MultiLineString";
  	
  	public OGCMultiLineString(Polyline poly, SpatialReference sr) {
  		polyline = poly;
  		esriSR = sr;
  	}
  
  	public OGCMultiLineString(SpatialReference sr) {
  		polyline = new Polyline();
  		esriSR = sr;
  	}
  	
  	@Override
  	public String asText() {
  		return GeometryEngine.geometryToWkt(getEsriGeometry(),
  				WktExportFlags.wktExportMultiLineString);
  	}
  
  	@Override
  	public String asGeoJson() {
  		OperatorExportToGeoJson op = (OperatorExportToGeoJson) OperatorFactoryLocal.getInstance()
  				.getOperator(Operator.Type.ExportToGeoJson);
  		return op.execute(GeoJsonExportFlags.geoJsonExportPreferMultiGeometry, esriSR, getEsriGeometry());
  	}
  	
  	@Override
  	public ByteBuffer asBinary() {
  		OperatorExportToWkb op = (OperatorExportToWkb) OperatorFactoryLocal
  				.getInstance().getOperator(Operator.Type.ExportToWkb);
  		return op.execute(WkbExportFlags.wkbExportMultiLineString,
  				getEsriGeometry(), null);
  	}
  
  	@Override
  	public OGCGeometry geometryN(int n) {
  		OGCLineString ls = new OGCLineString(polyline, n, esriSR);
  		return ls;
  	}
  
  	@Override
  	public String geometryType() {
  		return TYPE;
  	}
  
  	@Override
  	public long estimateMemorySize()
  	{
  		return SIZE_OF_OGC_MULTI_LINE_STRING + (polyline != null ? polyline.estimateMemorySize() : 0);
  	}
  
  	@Override
  	public OGCGeometry boundary() {
  		OperatorBoundary op = (OperatorBoundary) OperatorFactoryLocal
  				.getInstance().getOperator(Operator.Type.Boundary);
  		Geometry g = op.execute(polyline, null);
  		return OGCGeometry.createFromEsriGeometry(g, esriSR, true);
  	}
  
  	@Override
  	public OGCGeometry locateAlong(double mValue) {
  		// TODO Auto-generated method stub
  		throw new UnsupportedOperationException();
  	}
  
  	@Override
  	public OGCGeometry locateBetween(double mStart, double mEnd) {
  		// TODO Auto-generated method stub
  		throw new UnsupportedOperationException();
  	}
  
  	@Override
  	public Geometry getEsriGeometry() {
  		return polyline;
  	}
  
  	@Override
  	public OGCGeometry convertToMulti()
  	{
  		return this;
  	}
  	
  	@Override
  	public OGCGeometry reduceFromMulti() {
  		int n = numGeometries();
  		if (n == 0) {
  			return new OGCLineString(new Polyline(polyline.getDescription()), 0, esriSR);
  		}
  		
  		if (n == 1) {
  			return geometryN(0);
  		}
  		
  		return this;
  	}
  	
  	Polyline polyline;
  }
  