Application: gvSIG desktop

/* 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 es.gva.cit.catalogClient.csw.drivers;

import es.gva.cit.catalogClient.csw.filters.CSWFilter;

import es.gva.cit.catalogClient.drivers.IProtocolMessages;

import es.gva.cit.catalogClient.protocols.SOAPProtocol;

import es.gva.cit.catalogClient.querys.Query;

import es.gva.cit.catalogClient.schemas.Schemas;

import es.gva.cit.catalogClient.utils.Strings;

import org.apache.commons.httpclient.NameValuePair;

/**

 * This class has methods that return the CSW opearions messages.

 * 

 * 

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

 */

public class CSWMessages implements IProtocolMessages {

/**

 * 

 * 

 */

    private CSWCatalogServiceDriver driver;

/**

 * 

 * 

 * 

 * @param driver 

 */

    public  CSWMessages(CSWCatalogServiceDriver driver) {        

        this.driver = driver;

    } 

/* (non-Javadoc)

     * @see es.gva.cit.catalogClient.drivers.messages.IProtocolOperations#getHTTPGETCapabilities()

     */

/**

 * 

 * 

 * 

 * @return 

 * @param upper 

 */

    public NameValuePair[] getHTTPGETCapabilities(boolean upper) {        

        NameValuePair nvp1 = null;

        if (upper){

            nvp1 = new NameValuePair("request", "GetCapabilities");

        }else{

            nvp1 = new NameValuePair("request", "getCapabilities");

        }

        NameValuePair nvp2 = new NameValuePair("service", "CSW");

        NameValuePair nvp3 = new NameValuePair("acceptversion", driver.getVersion());

        return new NameValuePair[] { nvp1, nvp2, nvp3 };

    } 

/* (non-Javadoc)

     * @see es.gva.cit.catalogClient.drivers.messages.IProtocolOperations#getHTTPGETDescribeRecords()

     */

/**

 * 

 * 

 * 

 * @return 

 */

    public NameValuePair[] getHTTPGETDescribeRecords() {        

        NameValuePair nvp1 = new NameValuePair("request", "describeRecord");

        NameValuePair nvp2 = new NameValuePair("version", driver.getVersion());

        NameValuePair nvp3 = new NameValuePair("outputformat",

                driver.getOutputFormat());

        NameValuePair nvp4 = new NameValuePair("schemalanguage", "XMLSCHEMA");

        NameValuePair nvp5 = new NameValuePair("typename",

                driver.getTypeNames()[0]);

        NameValuePair nvp6 = new NameValuePair("namespace",

                "csw:http://www.opengis.org/csw");

        return new NameValuePair[] { nvp1, nvp2, nvp3, nvp4, nvp5, nvp6 };

    } 

/* (non-Javadoc)

     * @see es.gva.cit.catalogClient.drivers.messages.IProtocolOperations#getHTTPGETRecords(es.gva.cit.catalogClient.querys.Query, int)

     */

/**

 * 

 * 

 * 

 * @return 

 * @param query 

 * @param firstRecord 

 */

    public NameValuePair[] getHTTPGETRecords(Query query, int firstRecord) {        

        NameValuePair nvp1 = new NameValuePair("request", "GetRecords");

        NameValuePair nvp2 = new NameValuePair("version", driver.getVersion());

        NameValuePair nvp3 = new NameValuePair("service", "CSW");

        NameValuePair nvp4 = new NameValuePair("TypeNames",Strings.getComaSeparated(driver.getTypeNames()));

        NameValuePair nvp5 = new NameValuePair("outputschema",

                driver.getOutputSchema()[0]);

        NameValuePair nvp6 = new NameValuePair("namespace",

                "csw:http://www.opengis.org/csw");

        NameValuePair nvp7 = new NameValuePair("elementsetname", "full");

        NameValuePair nvp8 = new NameValuePair("constraintlanguage", "FILTER");

        NameValuePair nvp9 = new NameValuePair("constraint",

                new CSWFilter().getQuery(query,driver.getServerProfile()));

        return new NameValuePair[] {

            nvp1, nvp2, nvp3, nvp4, nvp5, nvp6, nvp7, nvp8, nvp9

        };

    } 

/* (non-Javadoc)

     * @see es.gva.cit.catalogClient.drivers.messages.IProtocolOperations#getHTTPPOSTCapabilities()

     */

/**

 * 

 * 

 * 

 * @return 

 */

    public String getHTTPPOSTCapabilities() {        

        return "<csw:GetCapabilities service=\"CSW\" version=\"2.0.0\" " +

        "xmlns:csw=\"http://www.opengis.net/cat/csw\" " +

        "xmlns:ogc=\"http://www.opengis.net/ogc\">" +

        "<AcceptVersions xmlns=\"http://www.opengis.net/ows\">" +

        "<Version>" + driver.getVersion() + "</Version>" + "</AcceptVersions>" +

        "<AcceptFormats xmlns=\"http://www.opengis.net/ows\">" +

        "<OutputFormat>text/xml</OutputFormat>" + "</AcceptFormats>" +

        "</csw:GetCapabilities>";

    } 

/* (non-Javadoc)

     * @see es.gva.cit.catalogClient.drivers.messages.IProtocolOperations#getHTTPPOSTDescribeRecords()

     */

/**

 * 

 * 

 * 

 * @return 

 */

    public String getHTTPPOSTDescribeRecords() {        

        return "<csw:DescribeRecord " +

        "xmlns:csw=\"http://www.opengis.net/cat/csw\" " +

        "xmlns:ogc=\"http://www.opengis.net/ogc\" " + "service=\"CSW\" " +

        "version=" + driver.getVersion() + " " + "outputFormat=\"test/xml\" " +

        "schemaLanguage=\"XMLSCHEMA\">" +

        "<csw:TypeName>csw:record</csw:TypeName>" +

        "</csw:DescribeRecord>";

    } 

/* (non-Javadoc)

     * @see es.gva.cit.catalogClient.drivers.messages.IProtocolOperations#getHTTPPOSTRecords(es.gva.cit.catalogClient.querys.Query, int)

     */

/**

 * 

 * 

 * 

 * @return 

 * @param query 

 * @param firstRecord 

 */

    public String getHTTPPOSTRecords(Query query, int firstRecord) {        

        return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +

            "<GetRecords " + "service=\"CSW\" " +

            "version=\"2.0.0\" " + "xmlns=\"http://www.opengis.net/cat/csw\" " +

            "xmlns:ogc=\"http://www.opengis.net/ogc\" " +

            "xmlns:gml=\"http://www.opengis.net/gml\" " + "startPosition='" +

            firstRecord  + "' " + "maxRecords='10' " +

            "outputFormat=\"" + driver.getOutputFormat() + "\" " + 

            "outputSchema=\"" + getOutputSchema(driver.getOutputSchema()) + "\" " +

            "resultType=\"" +

            getResultType(driver.getResultType()) + "\">" +

            "<Query typeNames=\"" +

            Strings.getBlankSeparated(driver.getTypeNames()) + "\">" +

            getElementSetNameLabel() + 

            getMaxSetName(driver.getElementSetName()) + "</ElementSetName>" +

            "<Constraint version='1.0.20'>" +

            new CSWFilter().getQuery(query,driver.getServerProfile()) +

            "</Constraint>" +

            "</Query>" +

            "</GetRecords>";

    } 

/**

 * The IDEC server has some different labels

 * 

 * 

 * @return 

 */

    private String getElementSetNameLabel() {        

        if (driver.getServerProfile().equals(Schemas.EBRIM)){              

                return "<ElementSetName typeNames='Dataset'>";

        }else{

            return "<ElementSetName>";

        }

    } 

/**

 * It returns the maximum element set name

 * 

 * 

 * @return 

 * @param elementSetName 

 */

    private String getMaxSetName(String[] elementSetName) {        

        if (elementSetName == null)

            return "summary"; 

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

            if ((elementSetName[i].equals("full")) ||

                 (elementSetName[i].equals("Full")) ||

                 (elementSetName[i].equals("FULL")))

                return elementSetName[i];

        }

        return elementSetName[0];

    } 

/**

 * Returns a common reslut type if the getCapabilities doesn't have

 * one. Sometimes it works.

 * 

 * 

 * @return Just one String

 * @param resultType The array of result types parsed.

 */

    private String getResultType(String[] resultType) {        

        if (resultType == null)

            return "results";

        return resultType[0];

    } 

/**

 * Returns the OutputSchema. If the ISO19115 is supported,

 * we prefer this

 * 

 * @param OutputFormat The array of outputFormats parsed.

 * 

 * @return Just one String

 * @param outputSchemas 

 */

    private String getOutputSchema(String[] outputSchemas) {        

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

            if (outputSchemas[i].equals(Schemas.ISO19115))

                return outputSchemas[i];

        }        

        return outputSchemas[0];

    } 

/* (non-Javadoc)

     * @see es.gva.cit.catalogClient.drivers.messages.IProtocolOperations#getSOAPCapabilities()

     */

/**

 * 

 * 

 * 

 * @return 

 */

    public String getSOAPCapabilities() {        

        return SOAPProtocol.setSOAPMessage(getHTTPPOSTCapabilities(),null);

    } 

/* (non-Javadoc)

     * @see es.gva.cit.catalogClient.drivers.messages.IProtocolOperations#getSOAPDescribeRecords()

     */

/**

 * 

 * 

 * 

 * @return 

 */

    public String getSOAPDescribeRecords() {        

        return SOAPProtocol.setSOAPMessage(getHTTPPOSTDescribeRecords(),null);

    } 

/* (non-Javadoc)

     * @see es.gva.cit.catalogClient.drivers.messages.IProtocolOperations#getSOAPRecords(es.gva.cit.catalogClient.querys.Query, int)

     */

/**

 * 

 * 

 * 

 * @return 

 * @param query 

 * @param firstRecord 

 */

    public String getSOAPRecords(Query query, int firstRecord) {        

        return SOAPProtocol.setSOAPMessage(getHTTPPOSTRecords(query,

                firstRecord),null);

    } 

 }