Application: gvSIG desktop » gvSIG raster

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2018 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 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.

 *

 * 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.wmts.provider.tree;

import java.net.URL;

import java.util.ArrayList;

import java.util.Enumeration;

import java.util.Iterator;

import java.util.List;

import javax.swing.tree.TreeNode;

import org.cresques.cts.IProjection;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.fmap.crs.CRSFactory;

import org.gvsig.fmap.dal.OpenDataStoreParameters;

import org.gvsig.raster.wmts.ogc.struct.WMTSLayer;

import org.gvsig.raster.wmts.ogc.struct.WMTSStyle;

import org.gvsig.wmts.provider.WMTSRasterProviderParameters;

/**

 * @author fdiaz

 *

 */

public class DefaultWMTSLayerNode extends AbstractWMTSNode implements WMTSLayerNode {

    private static final Logger logger =

        LoggerFactory.getLogger(DefaultWMTSLayerNode.class);

    private WMTSLayer source;

    private int indexSelectedStyle;

    private List<WMTSStyleData> styles;

    private List<String> formats;

    private List<String> inforFormats;

    private List<String> srsList;

    private URL service;

    private WMTSRasterProviderParameters params;

    /**

     * @param source

     * @param parent

     *

     */

    public DefaultWMTSLayerNode(WMTSLayer source, WMTSNode parent, URL service) {

        super(parent);

        this.source = source;

        this.service = service;

        this.identifier = source.getIdentifier();

        this.title = source.getTitle();

        this.styles = new ArrayList<WMTSStyleData>();

        List<WMTSStyle> sourceStyles = source.getStyle();

        this.indexSelectedStyle = 0;

        int i = 0;

        for (Iterator<WMTSStyle> iterator = sourceStyles.iterator(); iterator.hasNext();) {

            WMTSStyle wmtsStyle = (WMTSStyle) iterator.next();

            if(wmtsStyle.isDefault()){

                this.indexSelectedStyle = i;

            }

            styles.add(new DefaultWMTSStyle(wmtsStyle));

            i++;

        }

        this.formats = source.getFormat();

        this.inforFormats = source.getInfoFormat();

        this.srsList = source.getSrsList();

    }

    @Override

    public OpenDataStoreParameters getParameters() {

        if (this.params == null) {

            this.params = new WMTSRasterProviderParameters();

            params.setService(this.service);

            params.setLayer(source.getTitle());

            @SuppressWarnings("unchecked")

            List<WMTSStyle> styles = source.getStyle();

            if (styles != null && styles.size() > 0) {

                params.setStyle(((WMTSStyle) (styles.get(0))).getIdentifier());

            }

            @SuppressWarnings("unchecked")

            List<String> formats = source.getFormat();

            if (formats != null && formats.size() > 0) {

                params.setFormat((String) (formats.get(0)));

            }

            @SuppressWarnings("unchecked")

            List<String> infoFormats = source.getInfoFormat();

            if (infoFormats != null && infoFormats.size() > 0) {

                params.setInfoFormat((String) infoFormats.get(0));

            }

            @SuppressWarnings("unchecked")

            List<String> allSrs = source.getSrsList();

            if (allSrs != null && allSrs.size() > 0) {

                int i = 0;

                while (i < allSrs.size()) {

                    String srs = allSrs.get(i);

                    if (isValidSrs(srs)) {

                        params.setCRS(srs);

                        IProjection crs = CRSFactory.getCRS(srs);

                        break;

                    }

                    i++;

                }

                if (i >= allSrs.size()) {

                    throw new IllegalArgumentException("The server '" + service.getHost()

                        + "' does not provide any valid srs.'");

                }

            }

        }

        return params;

    }

    private boolean isValidSrs(String srs){

        try{

            IProjection crs=CRSFactory.getCRS(srs);

            if(crs!=null){

                return true;

            }

        }catch(Exception e){

            logger.info("Can't get crs from: '"+srs+"' code", e);

            return false;

        }

        return false;

    }

    @Override

    public TreeNode getChildAt(int childIndex) {

        return null;

    }

    @Override

    public int getChildCount() {

        return 0;

    }

    @Override

    public int getIndex(TreeNode node) {

        return -1;

    }

    @Override

    public boolean getAllowsChildren() {

        return false;

    }

    @Override

    public boolean isLeaf() {

        return true;

    }

    @Override

    public Enumeration children() {

        return null;

    }

    @Override

    public int getSelectedStyleIndex() {

        return this.indexSelectedStyle;

    }

    @Override

    public void setSelectedStyleIndex(int index) {

        this.indexSelectedStyle = index;

    }

    @Override

    public WMTSStyleData getSelectedStyle() {

        return styles.get(indexSelectedStyle);

    }

    @Override

    public void setSelectedStyle(WMTSStyleData selected) {

        indexSelectedStyle = styles.indexOf(selected);

    }

    @Override

    public List<WMTSStyleData> getStyles() {

        return styles;

    }

    @Override

    public List<String> getFormats() {

        return formats;

    }

    @Override

    public List<String> getInfoFormats() {

        return inforFormats;

    }

    @Override

    public List<String> getSrsList() {

        return srsList;

    }

}