Revision 42283 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/DefaultGeometryType.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; |
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import java.lang.reflect.Constructor; |
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* @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a> |
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*/ |
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public class DefaultGeometryType extends AbstractGeometryType {
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/**
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/** |
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* Geometry type name |
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*/ |
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private String name; |
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/** Class that implements this class type */ |
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private Class geometryClass; |
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/** |
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* The type of the geometry. The type is an abstract representation |
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* of the object (Point, Curve...) but it is not a concrete
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* of the object (Point, Curve...) but it is not a concrete |
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* representation (Point2D, Point3D...). To do that comparation |
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* the id field is used. |
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*/ |
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private int type; |
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/** |
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* The subtype of the geometry. The subtype represents a set of
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* The subtype of the geometry. The subtype represents a set of |
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* geometries with a dimensional relationship (2D, 3D, 2DM...) |
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*/ |
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private int subType;
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private int subType; |
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/** |
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* Super types of a geometry. e.g: the super type of an |
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* arc is a curve, the super type of a circle is a surface... |
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* The supertypes are defined in the ISO 19107
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*
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* The supertypes are defined in the ISO 19107 |
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* |
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* @see <a href="http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=26012" |
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* >ISO 19107< /a> |
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*/ |
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private int[] superTypes = null; |
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/** |
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* Super SubTypes of a geometry. e.g: the super SubType of a |
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* geometry 3D is a geometry 2D, because the 3D extends the |
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* behavior of a geometry 2D |
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*/ |
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private int[] superSubTypes = null; |
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private Constructor constructor; |
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private Constructor constructorWithGeometryType = null; |
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private Constructor constructorWithoutParameters = null; |
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private final Object[] parameters = { this };
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/** |
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* @param name |
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* Symbolic Geometry name that is used to persist the geometry type. In some |
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* cases, it is better to use this name because the id can change for different |
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* application executions.
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* application executions. |
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* @param id |
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* Geometry id
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* Geometry id |
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* @param typeName |
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* The geometry type name |
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* @param type |
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* The geometry abstract type
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* The geometry abstract type |
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* @param superTypes |
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* The superTypes of the geometry type |
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* @param superSubTypes |
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* The superSubtypes of the geometry type
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* The superSubtypes of the geometry type |
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*/ |
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public DefaultGeometryType(Class geomClass, String name, int type, int subType,
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public DefaultGeometryType(Class geomClass, String name, int type, int subType, |
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int[] superTypes, int[] superSubTypes) {
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this.geometryClass = geomClass; |
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if (name == null) {
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} else {
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this.name = name; |
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} |
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this.type = type;
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this.type = type; |
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this.subType = subType; |
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this.superTypes = superTypes; |
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this.superSubTypes = superSubTypes; |
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Class[] parameterTypes = { GeometryType.class };
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try {
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constructor = geometryClass.getConstructor(parameterTypes); |
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constructorWithGeometryType = geometryClass.getConstructor(parameterTypes);
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} catch (NoSuchMethodException e) {
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throw new RuntimeException( |
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"Error constructor of the geometry class " + geomClass |
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+ " with one parameter of type GeometryType not found", e); |
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try {
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constructorWithoutParameters = geometryClass.getConstructor(); |
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} catch (NoSuchMethodException e1) {
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throw new RuntimeException( |
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"Error constructor of the geometry class " + geomClass |
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+ " with one parameter of type GeometryType not found", e); |
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} |
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// throw new RuntimeException( |
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// "Error constructor of the geometry class " + geomClass |
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// + " with one parameter of type GeometryType not found", e); |
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} |
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}
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} |
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/** |
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* This constructor is used by the {@link GeometryManager} when it
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* register a new GeometryType. It has not be used from other |
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* @param name |
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* Symbolic Geometry name that is used to persist the geometry type. In some |
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* cases, it is better to use this name because the id can change for different |
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* application executions.
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* application executions. |
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* @param id |
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* Geometry id
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* Geometry id |
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* @param typeName |
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* The geometry type name |
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* @param type |
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* The geometry abstract type
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* The geometry abstract type |
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*/ |
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public DefaultGeometryType(Class geomClass, String name, int type, int subType) {
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this(geomClass, name, type, subType, new int[0], new int[0]); |
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} |
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/** |
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* This method creates a {@link Geometry} with the type specified
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* This method creates a {@link Geometry} with the type specified
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* by this GeometryType. The geometry has to have a constructor |
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* without arguments. |
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*
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* |
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* @return A new geometry |
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* @throws CreateGeometryException
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* @throws CreateGeometryException |
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*/ |
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public Geometry create() throws CreateGeometryException{
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try {
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return (Geometry) constructor.newInstance(parameters); |
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if(constructorWithGeometryType!=null){
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return (Geometry) constructorWithGeometryType.newInstance(parameters); |
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} else {
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return (Geometry) constructorWithoutParameters.newInstance(); |
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} |
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} catch (Exception e) {
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throw new CreateGeometryException(type, subType, e); |
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}
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} |
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} |
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public Class getGeometryClass() {
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return geometryClass; |
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} |
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public String getName() {
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return name; |
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} |
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