Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA 02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.mapcontext.layers;

import java.util.Map;

public interface ExtendedPropertiesSupport {

    /**

     * <p>

     * Returns a reference to an object (property) associated to this layer.</p>

     *

     * <p>

     * For example, you can attach a network definition to key "network" and

     * check

     * if a layer has a network loaded using

     * <i>getAssociatedObject("network")</i> and

     * that it's not null.</p>

     *

     * @param key the key associated to the property

     *

     * @return <code>null</code> if key is not found

     *

     * @see #getExtendedProperties()

     * @see #setProperty(Object, Object)

     */

    public Object getProperty(Object key);

    /**

     * Inserts an object as a property to this layer.

     *

     * @param key the key associated to the property

     * @param obj the property

     *

     * @see #getProperty(Object)

     * @see #getExtendedProperties()

     */

    public void setProperty(Object key, Object obj);

    /**

     * Returns a hash map with all new properties associated to this layer.

     *

     * @return hash table with the added properties

     *

     * @see #getProperty(Object)

     * @see #setProperty(Object, Object)

     */

    public Map getExtendedProperties();

}