AbstractLayerExporter.java

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package org.pepsoft.worldpainter.exporting;

import org.pepsoft.worldpainter.layers.Layer;
import org.pepsoft.worldpainter.layers.exporters.ExporterSettings;

/**
 * An abstract base class for {@link LayerExporter} implementations.
 *
 * @author pepijn
 */
public abstract class AbstractLayerExporter<L extends Layer> implements LayerExporter {
    @SuppressWarnings("unchecked")
    public AbstractLayerExporter(L layer, ExporterSettings defaultSettings) {
        this.layer = layer;
        this.defaultSettings = defaultSettings;
        settings = defaultSettings.clone();
    }

    public AbstractLayerExporter(L layer) {
        this.layer = layer;
        this.defaultSettings = null;
    }
    
    @Override
    public final L getLayer() {
        return layer;
    }
    
    public final ExporterSettings getSettings() {
        return settings;
    }

    @Override @SuppressWarnings("unchecked")
    public void setSettings(ExporterSettings settings) {
        if (settings != null) {
            this.settings = settings;
        } else {
            this.settings = (defaultSettings != null) ? defaultSettings.clone() : null;
        }
    }
    
    protected final L layer;
    private final ExporterSettings defaultSettings;
    private ExporterSettings settings;
}