Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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 2

 * 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.

 *

 */

package org.gvsig.raster.wms.app.wmsclient.layer;

import java.util.ArrayList;

import org.gvsig.fmap.dal.feature.Feature;

import org.gvsig.tools.dispose.DisposableIterator;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.dynobject.DynObjectSet;

/**

 * {@link DynObject} implementation to facade a iterator of a WMTSInfo

 * and allow to be used as a {@link DynObjectSet} iterator.

 * 

 * @author Nacho Brodin (nachobrodin@gmail.com)

 * @version $Id$

 * 

 */

public class DynObjectIteratorWMSInfo implements DisposableIterator {

    private ArrayList<Object> infoList = new ArrayList<Object>();

    private int               index    = -1;

    /**

     * Creates a new DynObjects iterator facade over a feature iterator.

     * Each WMTSInfo will be returned through a new or reused

     * {@link DynObjectWMTSInfo} which allows the {@link Feature} to be

     * used like a DynObject.

     * 

     * @param featureIterator

     *            to facade

     * @param featureFacade

     *            if not null this object will be reused as the facade for the

     *            Feature objects of the feature iterator

     */

    public DynObjectIteratorWMSInfo(Object info) {

        this.infoList.add(info);

        index = 0;

    }

    public void addObject(Object info) {

            this.infoList.add(info);

            if(index == -1)

                    index = 0;

    }

    public synchronized void dispose() {

            this.infoList.clear();

            index = -1;

    }

    public synchronized boolean hasNext() {

        return (infoList.size() == 0 || index >= infoList.size()) ? false : true;

    }

    public synchronized Object next() {

        Object o = infoList.get(index);

        index ++;

        return o;

    }

    public synchronized void remove() {

            if(index < infoList.size() && index >= 0) {

                    index --;

                    infoList.remove(index);

            }

    }

    public long getSize() {

        return infoList.size();

    }

}