Revision 5306 trunk/extensions/extWFS2/src/com/iver/cit/gvsig/fmap/drivers/geotools/WFSFeaturesIterator.java
| WFSFeaturesIterator.java | ||
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import java.io.IOException; |
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import java.util.Date; |
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import java.util.NoSuchElementException; |
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import java.util.Vector; |
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import org.geotools.data.FeatureReader; |
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import org.geotools.feature.Feature; |
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* |
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* $Id$ |
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* $Log$ |
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* Revision 1.1 2006-05-19 12:47:12 jorpiell |
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* Revision 1.2 2006-05-22 10:10:07 jorpiell |
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* El iteartor crea un vector y lo inicializa en el primer recorrido que se hace sobre ?l. A partir de ah? se devuelve un elemento del vector en los posteriores recorridos |
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* |
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* Revision 1.1 2006/05/19 12:47:12 jorpiell |
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* Creado el iteardor de Features |
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* |
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* |
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* @author Jorge Piera Llodr? (piera_jor@gva.es) |
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*/ |
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public class WFSFeaturesIterator implements IFeatureIterator{
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FeatureReader featureReader = null; |
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private FeatureReader featureReader = null; |
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private Vector featureVector = new Vector(); |
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private boolean finished = false; |
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private int position = -1; |
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private int length = -2; |
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public WFSFeaturesIterator(FeatureReader featureReader){
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this.featureReader = featureReader; |
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* @throws DriverException |
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*/ |
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public IFeature next() throws DriverException {
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Feature feature = null; |
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IFeature outPutFeature = null; |
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if (!finished){
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Feature feature = null; |
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try {
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feature = featureReader.next(); |
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} catch (NoSuchElementException e) {
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Object[] attr = null; |
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attr = feature.getAttributes(attr); |
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Value[] values = getValues(attr); |
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IGeometry g = ShapeFactory.createGeometry(FConverter.jts_to_java2d(feature.getDefaultGeometry())); |
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return new DefaultFeature(g,values,feature.getID()); |
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outPutFeature = new DefaultFeature(g,values,feature.getID()); |
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featureVector.add(outPutFeature); |
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}else{
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outPutFeature = (DefaultFeature)featureVector.get(position); |
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} |
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return outPutFeature; |
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} |
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/** |
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* @return |
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*/ |
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public boolean hasNext(){
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try {
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if (featureReader.hasNext()){
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if (length == -2){
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try {
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if (featureReader.hasNext()){
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position++; |
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return true; |
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}else{
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featureReader.close(); |
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finished = true; |
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length = featureVector.size() - 1; |
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return false; |
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} |
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} catch (IOException e) {
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e.printStackTrace(); |
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} |
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}else{
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if (position != length){
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position++; |
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return true; |
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}else{
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featureReader.close(); |
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return false; |
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} |
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} catch (IOException e) {
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e.printStackTrace(); |
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} |
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return false; |
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} |
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return values; |
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} |
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/* |
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* (non-Javadoc) |
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* @see com.iver.cit.gvsig.fmap.drivers.IFeatureIterator#closeIterator() |
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*/ |
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public void closeIterator() throws DriverException {
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// TODO Auto-generated method stub |
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} |
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/** |
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* This method must be executed before to start an iteration |
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* process |
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*/ |
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public void startIteration(){
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position = -1; |
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} |
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} |
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