Application: gvSIG desktop » gvSIG raster

/**

 * 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.remoteclient.wms.wms_1_3_0.request;

import java.util.Vector;

import org.gvsig.compat.CompatLocator;

import org.gvsig.compat.lang.StringUtils;

import org.gvsig.remoteclient.epsg.CrsAxisOrder;

import org.gvsig.remoteclient.utils.CapabilitiesTags;

import org.gvsig.remoteclient.utils.Utilities;

import org.gvsig.remoteclient.wms.WMSProtocolHandler;

import org.gvsig.remoteclient.wms.WMSStatus;

import org.gvsig.remoteclient.wms.request.WMSGetFeatureInfoRequest;

/**

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>

 */

public class WMSGetFeatureInfoRequest1_1_3 extends WMSGetFeatureInfoRequest{

    private static final StringUtils stringUtils = CompatLocator.getStringUtils();

        public WMSGetFeatureInfoRequest1_1_3(WMSStatus status,

                        WMSProtocolHandler protocolHandler, int x, int y) {

                super(status, protocolHandler, x, y);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.remoteClient.ogc.request.OGCRequest#getHttpGetRequest(java.lang.String)

         */

        protected String getHttpGetRequest(String onlineResource) {

                StringBuffer req = new StringBuffer();

                req.append(onlineResource);

                req.append("REQUEST=GetFeatureInfo&SERVICE=WMS&");

                req.append("QUERY_LAYERS=").append(Utilities.Vector2CS(status.getLayerNames())); 

                req.append("&VERSION=").append(protocolHandler.getVersion()).append("&INFO_FORMAT=" + status.getInfoFormat() + "&");

                req.append(getPartialQuery(status)).append("&I="+ x + "&J=" + y);

                req.append("&FEATURE_COUNT=10000");

                req.append("&EXCEPTIONS=" + getExceptionsFormat());

                return req.toString();

        }

        /**

     * Gets the part of the OGC request that share GetMap and GetFeatureInfo

     * @return String request

     */

    protected String getPartialQuery(WMSStatus status) {

        StringBuffer req = new StringBuffer();

                double coord1, coord2, coord3, coord4;

                String epsgCode = status.getSrs();

                if (status.isXyAxisOrder() || CrsAxisOrder.isXyAxisOrder(epsgCode)) { 

                        coord1 = status.getExtent().getMinX();

                        coord2 = status.getExtent().getMinY();

                        coord3 = status.getExtent().getMaxX();

                        coord4 = status.getExtent().getMaxY();

                }

                else {

                    // use reverse coordinate order as defined by EPSG registry

                        coord1 = status.getExtent().getMinY();

                        coord2 = status.getExtent().getMinX();

                        coord3 = status.getExtent().getMaxY();

                        coord4 = status.getExtent().getMaxX();

                }

        req.append("LAYERS=" + Utilities.Vector2CS(status.getLayerNames()))

           .append("&CRS=" + status.getSrs())

           .append("&BBOX=" + coord1 + "," )

           .append(coord2 + ",")

           .append(coord3 + ",")

           .append(coord4)

           .append("&WIDTH=" + status.getWidth())

           .append("&HEIGHT=" + status.getHeight())

           .append("&FORMAT=" + status.getFormat())

           .append("&STYLES=");

        Vector v = status.getStyles();

        if (v!=null && v.size()>0)

                req.append(Utilities.Vector2CS(v));

        v = status.getDimensions();

        if (v!=null && v.size()>0)

            req.append("&" + Utilities.Vector2URLParamString(v));

        if (status.getTransparency()) {

            req.append("&TRANSPARENT=TRUE");

        }

        return req.toString();

    }

        /**

         * @return the exceptions format

         */

        protected String getExceptionsFormat(){

                return CapabilitiesTags.EXCEPTIONS_1_3_0;

        }

}