| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 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 Ib??ez, 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.catalog.protocols;

import java.io.BufferedReader;

import java.io.ByteArrayInputStream;

import java.io.File;

import java.io.FileWriter;

import java.io.InputStream;

import java.net.URL;

import java.util.Collection;

import javax.xml.parsers.DocumentBuilder;

import org.apache.soap.Constants;

import org.apache.soap.Envelope;

import org.apache.soap.SOAPException;

import org.apache.soap.messaging.Message;

import org.apache.soap.transport.SOAPTransport;

import org.apache.soap.util.xml.XMLParserUtils;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.w3c.dom.Document;

import org.xml.sax.InputSource;

import org.gvsig.catalog.metadataxml.XMLTree;

/**

 * 

 * 

 * 

 * @author Jorge Piera Llodra (piera_jor@gva.es)

 */

public class SOAPProtocol implements IProtocols {

    private static final Logger LOG =

        LoggerFactory.getLogger(SOAPProtocol.class);

    /**

     * @return 

     * @param url 

     * @param object 

     * @param firstRecord 

     */

    public Collection doQuery(URL url, Object object, int firstRecord) {    

        String message = (String) object;

        File fileAnswer = null;

        //get the envelope to send

        try {

            InputStream buffer = new ByteArrayInputStream(message.getBytes());

            DocumentBuilder xdb = XMLParserUtils.getXMLDocBuilder();

            Document doc = xdb.parse(new InputSource(buffer));

            if (doc == null) {

                throw new SOAPException(Constants.FAULT_CODE_CLIENT,

                "parsing error");

            }

            Envelope msgEnv = Envelope.unmarshall(doc.getDocumentElement());

            // send the message

            Message msg = new Message();

            msg.send(url, "urn:this-is-the-action-uri", msgEnv);

            // receive whatever from the transport and dump it to the screen

            SOAPTransport st = msg.getSOAPTransport();

            BufferedReader br = st.receive();

            String line;

            //File to save the answer

            fileAnswer = new File("auxiliar");

            FileWriter fwAnswer = new FileWriter(fileAnswer);

            fwAnswer.write("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>");

            //Process the answer                                

            while ((line = br.readLine()) != null) {

                System.out.println(line);

                fwAnswer.write(line);

                fwAnswer.flush();

            }

            fwAnswer.close();

        } catch (Exception e) {

            LOG.error("Error sending the SOAP request", e);

            return null;

        }

        Collection col = new java.util.ArrayList();

        col.add(XMLTree.xmlToTree(fileAnswer));

        return col;

    } 

    /**

     * 

     * 

     * 

     * @return 

     * @param url 

     */

    public static boolean isProtocolSupported(URL url) {        

        return true;

    } 

    /**

     * This function returns a SOAP message

     * 

     * 

     * @return 

     * @param message the XML message

     * @param schemas 

     */

    public static String setSOAPMessage(String message, String[] schemas) {        

        String soap =  "<SOAP:Envelope xmlns:SOAP=\"http://schemas.xmlsoap.org/soap/envelope/\" " +

        "xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"" ;

        if (schemas != null){

            for (int i=0 ; i<schemas.length ; i++){

                soap = soap + " " + schemas[i];

            }

        }

        soap = soap + ">";

        soap = soap + "<SOAP:Body>" + message + "</SOAP:Body>" + "</SOAP:Envelope>";

        return soap;

    } 

}