Revision 10436 branches/simbologia/libraries/libFMap/src/com/iver/cit/gvsig/fmap/rendering/styling/LabelingFactory.java
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* |
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* $Id$ |
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* $Log$ |
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* Revision 1.1.2.3 2007-02-12 15:15:20 jaume |
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* Revision 1.1.2.4 2007-02-21 07:34:08 jaume |
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* labeling starts working |
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* |
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* Revision 1.1.2.3 2007/02/12 15:15:20 jaume |
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* refactored interval legend and added graduated symbol legend |
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* |
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* Revision 1.1.2.2 2007/02/09 07:47:05 jaume |
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public class LabelingFactory {
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private static Logger logger = Logger.getLogger(SymbologyFactory.class.getName()); |
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/** |
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* Instantiates an object from an instance of XMLEntity. The XMLEntity |
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* must follow the XMLEntity contract in IPersistence. It at least must |
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* contain a className that allow create objects via instrospection. It |
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* also should have the set of attributes that the instantiated object's |
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* setXMLEntity(XMLEntity) method expects. |
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* @param xml |
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* @return |
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*/ |
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private static Object createFromXML(XMLEntity xml) {
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String className = null; |
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try {
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return obj; |
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} |
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/** |
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* Creates a new instance of a ILabelingStrategy from an XMLEntity. |
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* @param xml |
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* @return ILabelingStrategy |
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*/ |
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public static ILabelingStrategy createStrategyFromXML(XMLEntity xml) {
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return (ILabelingStrategy) createFromXML(xml); |
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} |
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/** |
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* Creates a new instance of ILabelingMethod from an XMLEntity. |
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* @param xml |
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* @return ILabelingMethod |
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*/ |
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public static ILabelingMethod createMethodFromXML(XMLEntity xml) {
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return (ILabelingMethod) createFromXML(xml); |
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} |
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/** |
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* Creates a default labeling strategy from an XMLEntity. |
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* @param layer |
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* @return an instance of DefaultStrategy |
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* @throws DriverException |
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*/ |
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public static ILabelingStrategy createDefaultStrategy(FLayer layer) throws DriverException {
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return new DefaultLabelingStrategy(layer); |
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} |
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/** |
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* Given a layer, a labeling method, a label placements constraints, and a label |
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* zoom constraints it will figure out the best ILabelingStrategy that meets all |
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* the needs. |
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* @param layer, the target layer |
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* @param method, the desired methods |
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* @param placement, the desired placement constraints |
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* @param zoom, the desired zoom constraints |
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* @return ILabelingStrategy |
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* @throws DriverException |
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*/ |
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public static ILabelingStrategy createStrategy(FLayer layer, ILabelingMethod method, IPlacementConstraints placement, IZoomConstraints zoom) throws DriverException {
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if (method == null && placement == null && zoom == null) |
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return createDefaultStrategy(layer); |
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*/ |
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} |
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/** |
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* Creates a new instance of placement constraints from a vector layer. The |
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* placement constraints are created according the layer shape type. |
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* @param layerDest |
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* @return |
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* @throws DriverException |
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*/ |
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public static IPlacementConstraints createPlacementConstraints(FLyrVect layerDest) throws DriverException {
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int shapeType = layerDest.getShapeType(); |
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switch (shapeType) {
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case FShape.LINE: |
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return new LinePlacementConstraints(); |
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case FShape.POLYGON: |
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return new PolygonPlacementConstraints(); |
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case FShape.POINT: |
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return new PointPlacementConstraints(); |
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} |
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throw new Error("Shape type not yet supported");
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} |
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