Revision 45683 trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.geometry/org.gvsig.fmap.geometry.jts/src/main/java/org/gvsig/fmap/geom/jts/operation/fromwkb/FromWKB.java
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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.geom.jts.operation.fromwkb; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.operation.GeometryOperation; |
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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.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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@SuppressWarnings("UseSpecificCatch")
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public class FromWKB extends GeometryOperation {
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/** |
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* |
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* |
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* @author Vicente Caballero Navarro |
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*/ |
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public class FromWKB extends GeometryOperation {
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private static final Logger LOGGER = LoggerFactory.getLogger(FromWKB.class); |
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public static final String NAME = GeometryManager.OPERATIONS.FROMWKB; |
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public static final int CODE = GeometryLocator.getGeometryManager(). |
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getGeometryOperationCode(NAME); |
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private PostGISEWKBParser parser; |
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public FromWKB() {
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// this.parser = new PostGISEWKBParser(); |
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} |
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public static final int CODE = GeometryLocator.getGeometryManager(). |
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getGeometryOperationCode(NAME); |
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private static PostGISEWKBParser wkbParser = new PostGISEWKBParser(); |
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/* |
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/* |
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* Como no tenemos un parser de OGC-WKB que es distinto del PostGIS-EWKB |
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* de momento, usamos el de PostGIS-EWKB |
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* |
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* https://en.wikipedia.org/wiki/Well-known_text#Well-known_binary |
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* |
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* Podemos asumir que si el 5? byte del WKB es distinto de 0 se trata de PostGIS-EWKB |
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*/ |
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*/ |
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@Override |
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public Object invoke(Geometry geom, GeometryOperationContext ctx) |
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throws GeometryOperationException {
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byte[] data = (byte[])ctx.getAttribute("data");
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throws GeometryOperationException {
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try {
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return geom = wkbParser.parse(data); |
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} catch (CreateGeometryException e) {
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return new GeometryOperationException(e); |
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} |
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byte[] wkb = (byte[]) ctx.getAttribute("data");
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this.parser = new PostGISEWKBParser(); |
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Geometry g = parser.parse(wkb); |
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return g; |
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} catch (Exception e) {
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throw new GeometryOperationException(e); |
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} |
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} |
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/* (non-Javadoc) |
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* @see org.gvsig.fmap.geom.operation.GeometryOperation#getOperationIndex() |
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*/ |
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@Override |
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public int getOperationIndex() {
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return CODE; |
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} |
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