svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.file / org.gvsig.fmap.dal.file.shp / src / main / java / org / gvsig / fmap / dal / store / shp / utils / AbstractSHPReader.java @ 42811
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/* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2015 gvSIG Association
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.dal.store.shp.utils; |
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import java.nio.ByteOrder; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.exception.ReadRuntimeException; |
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import org.gvsig.fmap.dal.store.shp.SHPStoreParameters; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.aggregate.MultiPrimitive; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.primitive.Line; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.primitive.Polygon; |
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import org.gvsig.fmap.geom.primitive.Primitive; |
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import org.gvsig.fmap.geom.primitive.Ring; |
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import org.gvsig.utils.bigfile.BigByteBuffer2; |
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/**
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* @author fdiaz
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*
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*/
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public abstract class AbstractSHPReader implements SHPReader { |
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private final SHPStoreParameters params; |
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/**
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*
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* @param params
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*/
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public AbstractSHPReader(SHPStoreParameters params) {
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this.params = params;
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} |
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protected class InvalidNumberOfPointsInLinearRingException extends ReadRuntimeException { |
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private final static String MESSAGE_FORMAT = "Invalid number of points in LinearRing (found %(NumPoints) - must be 0 or >= 4).\nCheck 'Fix LinearRings' in the shape's properties of the add layer dialog to try fix it."; |
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private final static String MESSAGE_KEY = "_InvalidNumberOfPointsInLinearRingException"; |
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private static final long serialVersionUID = -8265770463632826027L; |
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public InvalidNumberOfPointsInLinearRingException(int numPoints) { |
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super(MESSAGE_FORMAT, null, MESSAGE_KEY, serialVersionUID); |
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setValue("NumPoints", numPoints);
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this.getMessage();
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} |
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} |
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public void checkNumVerticesOfRing(Ring ring ) throws InvalidNumberOfPointsInLinearRingException { |
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if( ring.getNumVertices()<4 ) { |
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if( this.fixLinearRings() ) { |
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Point p = ring.getVertex(ring.getNumVertices()-1); |
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while( ring.getNumVertices()<4 ) { |
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p = (Point) p.cloneGeometry();
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ring.addVertex(p); |
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} |
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} else {
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throw new InvalidNumberOfPointsInLinearRingException(ring.getNumVertices()); |
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} |
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} |
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} |
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public boolean fixLinearRings() { |
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return params.getFixLinearRings();
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} |
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/**
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* @param p
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* @param bb
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*/
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protected void fillXY(Point p, BigByteBuffer2 bb) { |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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double x = bb.getDouble();
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double y = bb.getDouble();
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p.setX(x); |
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p.setY(y); |
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} |
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protected void fillM(Geometry geometry, BigByteBuffer2 bb) throws CreateGeometryException, ReadException { |
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double[] boxM = new double[2]; |
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boxM[0] = bb.getDouble();
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boxM[1] = bb.getDouble();
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if (geometry instanceof MultiPrimitive) { |
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for (int primitivesNumber = 0; primitivesNumber < ((MultiPrimitive) geometry).getPrimitivesNumber(); primitivesNumber++) { |
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Primitive primitive = ((MultiPrimitive) geometry).getPrimitiveAt(primitivesNumber); |
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if (primitive instanceof Point) { |
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Point point = (Point) primitive; |
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point.setCoordinateAt(point.getDimension()-1, bb.getDouble());
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} |
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if (primitive instanceof Line) { |
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Line line = (Line) primitive; |
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for (int i = 0; i < line.getNumVertices(); i++) { |
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line.setCoordinateAt(i, line.getDimension()-1, bb.getDouble());
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} |
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} |
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if (primitive instanceof Polygon) { |
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Polygon polygon = (Polygon) primitive; |
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for (int i = 0; i < polygon.getNumVertices(); i++) { |
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polygon.setCoordinateAt(i, polygon.getDimension()-1, bb.getDouble());
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} |
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int rings = polygon.getNumInteriorRings();
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for (int i = 0; i < rings; i++) { |
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Ring ring = polygon.getInteriorRing(i); |
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for (int j = 0; j < ring.getNumVertices(); j++) { |
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ring.setCoordinateAt(j, ring.getDimension()-1, bb.getDouble());
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} |
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} |
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} |
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} |
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} else if (geometry instanceof Line) { |
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Line line = (Line) geometry; |
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for (int i = 0; i < line.getNumVertices(); i++) { |
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line.setCoordinateAt(i, line.getDimension()-1, bb.getDouble());
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} |
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} else if (geometry instanceof Polygon) { |
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Polygon polygon = (Polygon) geometry; |
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for (int i = 0; i < polygon.getNumVertices(); i++) { |
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polygon.setCoordinateAt(i, polygon.getDimension()-1, bb.getDouble());
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} |
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int rings = polygon.getNumInteriorRings();
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for (int i = 0; i < rings; i++) { |
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Ring ring = polygon.getInteriorRing(i); |
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for (int j = 0; j < ring.getNumVertices(); j++) { |
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ring.setCoordinateAt(j, ring.getDimension()-1, bb.getDouble());
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} |
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} |
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} |
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} |
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protected void fillZ(Geometry geometry, BigByteBuffer2 bb) throws CreateGeometryException, ReadException { |
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double[] boxM = new double[2]; |
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boxM[0] = bb.getDouble();
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boxM[1] = bb.getDouble();
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if (geometry instanceof MultiPrimitive) { |
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for (int primitivesNumber = 0; primitivesNumber < ((MultiPrimitive) geometry).getPrimitivesNumber(); primitivesNumber++) { |
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Primitive primitive = ((MultiPrimitive) geometry).getPrimitiveAt(primitivesNumber); |
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if (primitive instanceof Point) { |
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Point point = (Point) primitive; |
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point.setCoordinateAt(Geometry.DIMENSIONS.Z, bb.getDouble()); |
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} |
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if (primitive instanceof Line) { |
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Line line = (Line) primitive; |
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for (int i = 0; i < line.getNumVertices(); i++) { |
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line.setCoordinateAt(i, Geometry.DIMENSIONS.Z, bb.getDouble()); |
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} |
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} |
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if (primitive instanceof Polygon) { |
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Polygon polygon = (Polygon) primitive; |
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for (int i = 0; i < polygon.getNumVertices(); i++) { |
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polygon.setCoordinateAt(i, Geometry.DIMENSIONS.Z, bb.getDouble()); |
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} |
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int rings = polygon.getNumInteriorRings();
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for (int i = 0; i < rings; i++) { |
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Ring ring = polygon.getInteriorRing(i); |
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for (int j = 0; j < ring.getNumVertices(); j++) { |
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ring.setCoordinateAt(j, Geometry.DIMENSIONS.Z, bb.getDouble()); |
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} |
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} |
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} |
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} |
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} else if (geometry instanceof Line) { |
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Line line = (Line) geometry; |
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for (int i = 0; i < line.getNumVertices(); i++) { |
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line.setCoordinateAt(i, Geometry.DIMENSIONS.Z, bb.getDouble()); |
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} |
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} else if (geometry instanceof Polygon) { |
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Polygon polygon = (Polygon) geometry; |
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for (int i = 0; i < polygon.getNumVertices(); i++) { |
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polygon.setCoordinateAt(i, Geometry.DIMENSIONS.Z, bb.getDouble()); |
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} |
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int rings = polygon.getNumInteriorRings();
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for (int i = 0; i < rings; i++) { |
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Ring ring = polygon.getInteriorRing(i); |
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for (int j = 0; j < ring.getNumVertices(); j++) { |
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ring.setCoordinateAt(j, Geometry.DIMENSIONS.Z, bb.getDouble()); |
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} |
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} |
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} |
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} |
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} |