Revision 103 org.gvsig.gazetteer/trunk/org.gvsig.gazetteer/org.gvsig.gazetteer.lib/src/main/java/org/gvsig/gazetteer/wfsg/parsers/WfsgFeatureParser.java
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import org.gvsig.catalog.metadataxml.XMLNode; |
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import org.gvsig.catalog.metadataxml.XMLTree; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.gazetteer.idec.parsers.IdecFeatureParser; |
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import org.gvsig.gazetteer.querys.Feature; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/** |
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* This class is used to parse the getFeature request |
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*
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*
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* |
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* |
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* @author Jorge Piera Llodra (piera_jor@gva.es) |
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*/ |
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public class WfsgFeatureParser {
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private static final Logger logger = |
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LoggerFactory.getLogger(WfsgFeatureParser.class); |
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private String geomType = null; |
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private String namespace = null; |
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private static final String POSITION_NODE = "position->gml:Point->gml:coordinates"; |
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/** |
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* It parses the answer |
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*
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*
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* |
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* |
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* @return Array of features |
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* @param node XML tree that contains the getFeature Answer |
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* @param featureType FEature selected in the thesaurus list |
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* @param attribute Attribute to do the search |
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*/ |
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public Feature[] parse(XMLNode node) {
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public Feature[] parse(XMLNode node) {
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XMLNode[] nodeFeatures = XMLTree.searchMultipleNode(node,FEATUREMEMBER); |
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namespace = "";
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namespace = ""; |
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if ((nodeFeatures != null) && (nodeFeatures.length > 0)){
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if (nodeFeatures[0].getSubnodes().length > 0){
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String nodeName = nodeFeatures[0].getSubnodes()[0].getName(); |
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if (nodeName.split(":").length == 2){
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namespace = nodeName.split(":")[0] + ":";
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}
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} |
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return parseWFS(nodeFeatures,nodeName); |
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}
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}
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} |
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} |
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return null; |
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}
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} |
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/** |
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* It parses the a WFS answer |
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*
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*
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* |
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* |
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* @return Array of features |
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* @param nodeFeatures XML tree that contains the Features |
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* @param featureType FEature selected in the thesaurus list |
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* @param attribute Attribute to do the search |
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* @param geomField Field that contains the geometry |
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*/ |
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public Feature[] parseWFS(XMLNode[] nodeFeatures, String featureType) {
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public Feature[] parseWFS(XMLNode[] nodeFeatures, String featureType) {
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Feature[] features = new Feature[nodeFeatures.length]; |
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for (int i=0 ; i<nodeFeatures.length ; i++){
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XMLNode nodeName = XMLTree.searchNode(nodeFeatures[i],featureType + "->" + GEOGRAPHICIDENTIFIER_NODE); |
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String name = "";
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String name = ""; |
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if (nodeName != null){
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if ((nodeName.getText() != null) && (!(nodeName.getText().equals("")))){
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name = nodeName.getText(); |
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} else if ((nodeName.getCdata() != null) && (!(nodeName.getCdata().equals("")))){
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name = nodeName.getCdata();
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}
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name = nodeName.getCdata(); |
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} |
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} |
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String id = XMLTree.searchNodeAtribute(nodeFeatures[i],featureType,"fid"); |
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String description = name; |
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Point2D point = getCoordinates(XMLTree.searchNodeValue(nodeFeatures[i],
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Point point = getCoordinates(XMLTree.searchNodeValue(nodeFeatures[i], |
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featureType + "->" + POSITION_NODE)); |
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features[i] = new Feature(id,name,description,point); |
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} |
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return features; |
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}
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} |
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/** |
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* It returns a pair of coordinates of the Feature |
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* @return
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* @return |
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* @param sCoordinates String that contains the coordinates |
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*/ |
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private Point2D getCoordinates(String sCoordinates) {
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private Point getCoordinates(String sCoordinates) {
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GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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if (sCoordinates != null){
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double x = Double.parseDouble(sCoordinates.split(",")[0]);
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double y = Double.parseDouble(sCoordinates.split(",")[1]);
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return new Point2D.Double(x,y); |
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}return null; |
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} |
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Point point =null; |
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try {
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point = geomManager.createPoint(x, y, SUBTYPES.GEOM2D); |
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} catch (CreateGeometryException | NumberFormatException e) {
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StringBuilder builder = new StringBuilder(); |
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builder.append("Can't create point: (");
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builder.append(x); |
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builder.append(",");
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builder.append(y); |
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builder.append(")");
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logger.warn(builder.toString()); |
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} |
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return point; |
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}return null; |
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} |
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