Revision 39076 branches/v2_0_0_prep/libraries/libFMap_geometries/src/org/gvsig/fmap/geom/operation/tojts/MultiCurveToJTS.java

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MultiCurveToJTS.java
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package org.gvsig.fmap.geom.operation.tojts;
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import java.util.ArrayList;


  		




  
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import java.util.List;


  		




  
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import com.vividsolutions.jts.geom.LineString;


  		




  
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import com.vividsolutions.jts.geom.MultiLineString;


  		




  
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import org.slf4j.Logger;


  		




  
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import org.slf4j.LoggerFactory;


  		




  
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import org.gvsig.fmap.geom.Geometry;


  		




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import org.gvsig.fmap.geom.aggregate.MultiCurve;


  		




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import org.gvsig.fmap.geom.operation.GeometryOperationContext;


  		




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import org.gvsig.fmap.geom.operation.GeometryOperationException;


  		




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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException;


  		




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import org.gvsig.fmap.geom.primitive.Point;


  		




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import com.vividsolutions.jts.geom.Coordinate;


  		




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import com.vividsolutions.jts.geom.LineString;


  		




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import com.vividsolutions.jts.geom.MultiLineString;


  		




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/**


  		




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 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>


  		




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 */


  		




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public class MultiCurveToJTS extends ToJTS{


  		




  
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    private static Logger logger = LoggerFactory.getLogger(MultiCurveToJTS.class);


  		




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	/*


  		




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	 * (non-Javadoc)


  		




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	 * @see org.gvsig.fmap.geom.operation.tojts.ToJTS#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.geom.operation.GeometryOperationContext)


  		




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			srid = ((JTSGeometryOperationContext)ctx).getSrid();


  		




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		}


  		




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		MultiCurve multiCurve = (MultiCurve)geom;


  		




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		LineString[] lines = new LineString[multiCurve.getPrimitivesNumber()];


  		




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        for (int i = 0; i < lines.length; i++){


  		




  
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		Object item = null;


  		




  
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		List ls_list = new ArrayList();


  		




  
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		int prim_n = multiCurve.getPrimitivesNumber();


  		




  
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        for (int i = 0; i < prim_n; i++){


  		




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        	try {


  		




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				lines[i] = (LineString) multiCurve.getPrimitiveAt(i).invokeOperation(CODE, ctx);


  		




  
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        	    item = multiCurve.getPrimitiveAt(i).invokeOperation(CODE, ctx);


  		




  
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        	    if (item instanceof MultiLineString) {


  		




  
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                    /*


  		




  
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                     * A multilinestring can also be returned


  		




  
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                     */


  		




  
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        	        MultiLineString mls = (MultiLineString) item;


  		




  
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        	        for (int k = 0; k<mls.getNumGeometries(); k++) {


  		




  
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        	            com.vividsolutions.jts.geom.Geometry p = mls.getGeometryN(k);


  		




  
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        	            if (p instanceof LineString) {


  		




  
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        	                ls_list.add(item);


  		




  
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        	            } 


  		




  
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        	        }


  		




  
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        	    } else {


  		




  
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                    if (item instanceof LineString) {


  		




  
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                        /*


  		




  
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                         * Including primitives converted to linestring.


  		




  
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                         * Short primitives can return a point


  		




  
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                         */


  		




  
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                        ls_list.add(item);


  		




  
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                    } else {


  		




  
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                        String txt = (item == null) ? "NULL" : item.getClass().getName();


  		




  
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                        logger.info("Warning: excluding primitive in MultiCurveToJTS because it converted to a JTS " + txt);


  		




  
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                    }


  		




  
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        	    }


  		




  
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			} catch (GeometryOperationNotSupportedException e) {


  		




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				throw new GeometryOperationException(e);


  		




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			}


  		




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        }


  		




  
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        LineString[] lines = (LineString[]) ls_list.toArray(new LineString[0]);


  		




  
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        MultiLineString lineString = new com.vividsolutions.jts.geom.GeometryFactory().createMultiLineString(lines);


  		




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        lineString.setSRID(srid);


  		




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        return lineString;


  		












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