Application: gvSIG desktop » gvSIG 3D

package org.gvsig.view3d.lib.api.loader;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

/**

 * This class provides a skeletal implementation of

 * <code>LoaderParameters</code> to minimize effort required to implement this

 * interface.

 *

 * @author <a href="mailto:lmarques@disid.com">Lluis Marques</a>

 *

 */

public abstract class AbstractLoaderParameters implements LoaderParameters {

    protected FLayer layer;

    public static final String LAYER_FIELD_NAME = "layer";

    /**

     * Empty constructor.

     */

    public AbstractLoaderParameters() {

    }

    /**

     * Constructs a <code>AbstractLoaderParameters</code> with the specified

     * layer.

     *

     * @param layer

     *            The specified layer

     */

    public AbstractLoaderParameters(FLayer layer) {

        this.setLayer(layer);

    }

    @Override

    public FLayer getLayer() {

        return this.layer;

    }

    @Override

    public void setLayer(FLayer layer) {

        this.layer = layer;

    }

    @Override

    public void saveToState(PersistentState state) throws PersistenceException {

        state.set(LAYER_FIELD_NAME, this.layer);

        doSaveToState(state);

    }

    protected abstract void doSaveToState(PersistentState state) throws PersistenceException;

    @Override

    public void loadFromState(PersistentState state) throws PersistenceException {

        this.layer = (FLayer) state.get(LAYER_FIELD_NAME);

        doLoadFromState(state);

    }

    protected abstract void doLoadFromState(PersistentState state) throws PersistenceException;

    @Override

    public Object clone() throws CloneNotSupportedException {

        throw new CloneNotSupportedException("Can not clone abstract class");

    }

}