Application: gvSIG desktop

/* gvSIG. Sistema de Información Geográfica de la Generalitat Valenciana

 *

 * Copyright (C) 2004-2006 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *   Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ibañez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *   +34 963862235

 *   gvsig@gva.es

 *   www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.publish.geoserver.conf;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.ParserConfigurationException;

import org.gvsig.publish.PublishLogger;

import org.gvsig.publish.geoserver.model.GeoserverFeature;

import org.w3c.dom.Document;

import org.w3c.dom.Element;

import org.w3c.dom.Text;

import com.sun.org.apache.xml.internal.serialize.OutputFormat;

import com.sun.org.apache.xml.internal.serialize.XMLSerializer;

/**

 * This class represents a feturetype in the Geoserver Configuration

 *  

 * @author jvhigon (josevicente.higon@iver.es)

 */

public class GSFeature  {

    //associations

    private GSStyle style;

    private GSDatastore datastore;

    private GSNamespace namespace;

    private GeoserverFeature remoteresource;

    private String id;

    //Start of user code for the default constructor

    /**

     * Default constructor

     * 

     */

    public GSFeature (GeoserverFeature remoteresource){

            this.remoteresource = remoteresource;            

            this.id = remoteresource.getId();

    }

    /**

     * 

     * @return default featureType style

     */

    public GSStyle getStyle(){

            return this.style;

    }

    /**

     * 

     * @return the featureType datastore

     */

    public GSDatastore getDatastore(){

            return this.datastore;

    }

    /**

     * 

     * @return the featureType datastore

     */

    public GSNamespace getNamespace(){

            return this.namespace;

    }

    /**

     * Set the value of myStyle

     * @param myStyle

     */

    public void setStyle(GSStyle myStyle){

        this.style = myStyle;

    }

    /**

     * Set the value of myDatastore

     * @param myDatastore

     */    

    public void setDatastore(GSDatastore myDatastore){

        this.datastore = myDatastore;

    }

    /**

     * Set the value of myNamespace

     * @param myNamespace

     */

    public void setNamespace(GSNamespace myNamespace){

        this.namespace = myNamespace;

    }

        /**

         * Serialize the featureType information into a info.xml. 

         * It creates a directory with the name "datastore_feature" and puts the info.xml inside of it. 

         * 

         * @param dir directory where are placed all the feature's configurations 

         *  

         * 

         */

    public void toXML(File dir){            

            String aux = getId();

            //String aux = getDatastore().getId() + "_" + getId();

            //String aux = getNamespace().getPrefix() + "_" + getId();

            //creates the directory

            File dir_info = new File(dir.getAbsolutePath() + File.separator +  aux);

            dir_info.mkdirs();

            //creates the file

            File info_xml = new File(dir_info.getAbsoluteFile() + File.separator + "info.xml");

            Document dom=null;

            //get an instance of factory

                DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

                try {

                //get an instance of builder

                DocumentBuilder db = dbf.newDocumentBuilder();

                //create an instance of DOM

                dom = db.newDocument();

                }catch(ParserConfigurationException pce) {

                        PublishLogger.getLog().error("ERROR " + getClass().getName() + ":Error while trying to instantiate DocumentBuilder " + pce);

                }

                //create the root element <featureType>

                Element rootEle = dom.createElement("featureType");

                rootEle.setAttribute("datastore", this.getDatastore().getId());

                dom.appendChild(rootEle);

                //name

                Element paramEle = dom.createElement("name");

                Text txt = dom.createTextNode(remoteresource.getName());

                paramEle.appendChild(txt);                        

                rootEle.appendChild(paramEle);

                //title

                paramEle = dom.createElement("title");

                txt = dom.createTextNode(remoteresource.getTitle());

                paramEle.appendChild(txt);                        

                rootEle.appendChild(paramEle);

                //abstract

                paramEle = dom.createElement("abstract");

                txt = dom.createTextNode(remoteresource.getAbstract());

                paramEle.appendChild(txt);                        

                rootEle.appendChild(paramEle);

                //numDecimals

                paramEle = dom.createElement("numDecimals");

                txt = dom.createTextNode(new Integer(remoteresource.getNumDecimals()).toString());

                paramEle.appendChild(txt);                        

                rootEle.appendChild(paramEle);                

                //keywords

                paramEle = dom.createElement("keywords");

                txt = dom.createTextNode("Not yet implemented");

                paramEle.appendChild(txt);                        

                rootEle.appendChild(paramEle);                

                //SRS

                paramEle = dom.createElement("SRS");

                txt = dom.createTextNode(new Integer(remoteresource.getLayerInfo().getSRID()).toString());

                paramEle.appendChild(txt);                        

                rootEle.appendChild(paramEle);

                //latLonBoundingBox

                paramEle = dom.createElement("latLonBoundingBox");

                paramEle.setAttribute("dynamic", "false");

                paramEle.setAttribute("minx", new Double(remoteresource.getLayerInfo().getDataSource().getLatLonBBox().getMinX()).toString() );

                paramEle.setAttribute("miny", new Double(remoteresource.getLayerInfo().getDataSource().getLatLonBBox().getMinY()).toString() );

                paramEle.setAttribute("maxx", new Double(remoteresource.getLayerInfo().getDataSource().getLatLonBBox().getMaxX()).toString() );

                paramEle.setAttribute("maxy", new Double(remoteresource.getLayerInfo().getDataSource().getLatLonBBox().getMaxY()).toString() );                                

                rootEle.appendChild(paramEle);                

                //nativeBBox

                paramEle = dom.createElement("nativeBBox");

                paramEle.setAttribute("dynamic", "false");

                paramEle.setAttribute("minx", new Double(remoteresource.getLayerInfo().getDataSource().getNativeBBox().getMinX()).toString() );

                paramEle.setAttribute("miny", new Double(remoteresource.getLayerInfo().getDataSource().getNativeBBox().getMinY()).toString() );

                paramEle.setAttribute("maxx", new Double(remoteresource.getLayerInfo().getDataSource().getNativeBBox().getMaxX()).toString() );

                paramEle.setAttribute("maxy", new Double(remoteresource.getLayerInfo().getDataSource().getNativeBBox().getMaxY()).toString() );                                

                rootEle.appendChild(paramEle);                                

                //cacheinfo

                paramEle = dom.createElement("cacheinfo");

                paramEle.setAttribute("enabled", new Boolean(remoteresource.isCacheEnabled()).toString());

                paramEle.setAttribute("maxage", new Integer(remoteresource.getCacheMaxage()).toString());

                rootEle.appendChild(paramEle);

                //style default

                paramEle = dom.createElement("styles");

                paramEle.setAttribute("default", this.getStyle().getId());

                rootEle.appendChild(paramEle);                

                //write info.xml

                try

                {

                        OutputFormat format = new OutputFormat(dom);

                        format.setIndenting(true);                                                

                        XMLSerializer serializer = new XMLSerializer(                                        

                        new FileOutputStream(info_xml), format);

                        serializer.serialize(dom);

                } catch(IOException ioe) {

                    PublishLogger.getLog().error("ERROR " + getClass().getName() + ": I can't generate the catlog.xml", ioe);

                }

                this.getStyle().writeSLD(dir.getParentFile());

    }

        /**

         * @return the id

         */

        public String getId() {

                return id;

        }

        /**

         * 

         * @param id unique identifier of the feature. It must be composed by the namespace plus "_" plus table or filename  

         */

        public void setId(String id){

                this.id = id;

        }

}