Application: gvSIG desktop » gvSIG tools: Catalog

package org.gvsig.catalog.schemas;

import java.net.URI;

import org.gvsig.catalog.metadataxml.XMLNode;

import org.gvsig.catalog.metadataxml.XMLTree;

import org.gvsig.catalog.querys.Coordinates;

/**

 * ISO 19139/119 catalog record

 * It creates resources(layers) from MD_Distribution and resources(services) from SV_ServiceIdentification

 *

 * @author jvhigon

 *

 */

public class Iso19139_119Record extends Record{

        public  Iso19139_119Record() {

         }

        /**

         * Constructor

         * @param node Node with the answer

         * @param serverURI Server URL. Necessary to load the image (just Geonetwork)

         */

            public  Iso19139_119Record(URI uri, XMLNode node) {

                super(uri,node);

                setTitle(node.searchNodeValue(

                        "identificationInfo->SV_ServiceIdentification->citation->CI_Citation->title->CharacterString"));

                setAbstract_(node.searchNodeValue("identificationInfo->SV_ServiceIdentification->abstract->gco:CharacterString"));

                setPurpose(node.searchNodeValue("dataIdInfo->idPurp"));

                setKeyWords(node.searchMultipleNodeValue(

                        "identificationInfo->SV_ServiceIdentification->descriptiveKeywords->MD_Keywords->keyword->gco:CharacterString"));

                setResources(getResources("distributionInfo->MD_Distribution->transferOptions->MD_DigitalTransferOptions->onLine->CI_OnlineResource",

                                "identificationInfo->SV_ServiceIdentification"));

                setFileID(node.searchNodeValue("mdFileID"));

                setImageURL(node.searchNodeValue("dataIdInfo->graphOver"));

            }

        /**

         *

         *

         *

         * @return

         * @param label

         */

            private Resource[] getResources(String label_layers, String label_services) {

                    //compute onlineresources

                XMLNode[] nodes = XMLTree.searchMultipleNode(getNode(), label_layers);

                Coordinates coordinates = null;

                String srs = null;

                if (nodes == null) {

                    return null;

                }

                //size of resources = all onlineresources + one service

                Resource[] resources = new Resource[nodes.length + 1];

                if (nodes.length > 0){

                        srs = XMLTree.searchNodeValue(getNode(),"refSysInfo->MdCoRefSys->refSysID->identCode");

                        coordinates = new Coordinates(XMLTree.searchNodeValue(getNode(),"dataIdInfo->geoBox->westBL"),

                                        XMLTree.searchNodeValue(getNode(),"dataIdInfo->geoBox->northBL"),

                                                XMLTree.searchNodeValue(getNode(),"dataIdInfo->geoBox->eastBL"),

                                                XMLTree.searchNodeValue(getNode(),"dataIdInfo->geoBox->southBL"));

                }

                for (int i = 0; i < resources.length -1; i++){

                        String linkage=XMLTree.searchNodeValue(nodes[i], "linkage->URL");

                        String protocol=XMLTree.searchNodeValue(nodes[i], "protocol->gco:CharacterString");

                        String name=XMLTree.searchNodeValue(nodes[i], "name->gco:CharacterString");

                        //String description=XMLTree.searchNodeValue(nodes[i], "orDesc");

                        String description=XMLTree.searchNodeValue(nodes[i], "description->gco:CharacterString");

                        String function=XMLTree.searchNodeAtribute(nodes[i], "orFunct->OnFunctCd","value");

                        if (linkage==null){

                            linkage="";

                        }

                        if (protocol==null){

                           protocol="";

                        }

                        if (name==null){

                            name="";

                        }

                        if (description==null){

                            description="";

                        }

                        if (function==null){

                            function="";

                        }

                        resources[i] = new Resource(linkage,

                                protocol,

                            name,

                            description,

                            function,

                                                srs,

                                    coordinates);

                }

                //compute service

                XMLNode node = XMLTree.searchNode(getNode(), label_services);

                if (node == null){

                        return null;

                }

                String service_name = XMLTree.searchNodeValue(node, "srv:serviceType->gco:LocalName");

                Object operations = XMLTree.searchMultipleNodeValue(node, "srv:containsOperations->srv:SV_OperationMetadata->srv:operationName->gco:CharacterString");

                XMLNode[] operations_nodes= XMLTree.searchMultipleNode(node, "srv:containsOperations->srv:SV_OperationMetadata");

                String capabilities_url="";

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

                        String operation_name= XMLTree.searchNodeValue(operations_nodes[i], "srv:operationName->gco:CharacterString");

                        if (operation_name.toUpperCase().equals("GETCAPABILITIES")){

                                capabilities_url=XMLTree.searchNodeValue(operations_nodes[i], "srv:connectPoint->gmd:CI_OnlineResource->gmd:linkage->gmd:URL");

                                break;

                        }

                }

                //service_name = XMLTree.searchNode(node, "serviceType->gco:LocalName").getText();

                int last_index = nodes.length;

                resources[last_index] = new Resource(capabilities_url, Resource.WMS_SERVICE, null,null,null,null,null);

                resources[last_index].setType(Resource.WMS_SERVICE);

                return resources;

            }

        /*

         * (non-Javadoc)

         * @see es.gva.cit.catalogClient.schemas.discoverer.Record#accept(java.net.URI, es.gva.cit.catalogClient.metadataxml.XMLNode)

         */

        public boolean accept(URI uri, XMLNode node) {

                if (node.getName().endsWith("MD_Metadata")){

                        if (node.searchNode("identificationInfo->SV_ServiceIdentification->citation->CI_Citation->title")!=null){

                                return true;

                        }

                }

                return false;

        }

}