PointSymbolizerBuilder.java

package org.geotools.styling.builder;

import org.geotools.Builder;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.styling.PointSymbolizer;
import org.geotools.styling.StyleFactory;

public class PointSymbolizerBuilder<P> implements Builder<PointSymbolizer> {
    StyleFactory sf = CommonFactoryFinder.getStyleFactory(null);

    P parent;

    String geometry;

    GraphicBuilder<PointSymbolizerBuilder<P>> graphic = new GraphicBuilder<PointSymbolizerBuilder<P>>();

    private boolean unset = false;

    public PointSymbolizerBuilder() {
        this(null);
    }

    public PointSymbolizerBuilder(P parent) {
        this.parent = parent;
        reset();
    }
    
    public P end() {
        return parent;
    }

    PointSymbolizerBuilder<P> geometry(String geometry) {
        this.geometry = geometry;
        unset = false;
        return this;
    }

    GraphicBuilder graphic() {
        unset = false;
        return graphic;
    }

    public PointSymbolizer build() {
        if (unset) {
            return null;
        }
        PointSymbolizer ps = sf.createPointSymbolizer(graphic.build(), geometry);
        reset();
        return ps;
    }

    public PointSymbolizerBuilder<P> reset() {
        this.geometry = null;
        this.graphic.reset(); // TODO: See what the actual default is
        unset = false;

        return this;
    }

    public Builder<PointSymbolizer> reset(PointSymbolizer original) {
        if (original == null) {
            return unset();
        }
        this.geometry = original.getGeometryPropertyName();
        this.graphic.reset(original.getGraphic());
        unset = false;

        return this;
    }

    public PointSymbolizerBuilder<P> unset() {
        this.geometry = null;
        this.graphic.unset();
        unset = true;

        return this;
    }
}