/** * @param pointNode the point node from which the x or y value will be extracted. For example, * node is <gml:Point srsName="EPSG:31466"> <gml:coordinates cs="," decimal="." ts=" * ">0.0,0.0</gml:coordinates> </gml:Point> * @param coordIndex the coordenate index indicated whether to extract from x (index = 0) * otherwise from y * @return the String representation of the x or y value * @throws GeometryException */ private static String getPointXorY(Node pointNode, int coordIndex) throws GeometryException { String value = ""; if (pointNode != null) { Geometry geometry = GMLGeometryAdapter.wrap((Element) pointNode, null); if (geometry instanceof Point) { Point p = (Point) geometry; double d = coordIndex == 0 ? p.getX() : p.getY(); value = Double.toString(d); } } return value; }
public void run() { Container container = getContentPane(); container.removeAll(); container.setLayout(new GridLayout(3, 1)); int features = shapeFile.getRecordNum(); container.add(new JLabel("Indexing...")); JProgressBar progressBar = new JProgressBar(1, features); progressBar.setStringPainted(true); container.add(progressBar); cancel = new JButton("Cancel"); cancel.addActionListener(frame); container.add(cancel); pack(); boolean geometry = false; DBaseIndex[] index = new DBaseIndex[properties.length]; RTree rtree = null; try { String[] dataTypes = shapeFile.getDataTypes(); int[] lengths = shapeFile.getDataLengths(); if (geometryCheckBox.isSelected() && !hasGeometry) { geometry = true; rtree = new RTree(2, 11, fileName + ".rti"); } boolean indexes = false; for (int i = 0; i < index.length; i++) { if (checkboxes[i].isSelected() && !hasIndex[i]) { index[i] = DBaseIndex.createIndex( fileName + "$" + properties[i], properties[i], lengths[i], uniqueBoxes[i].isSelected(), (dataTypes[i].equalsIgnoreCase("N") || dataTypes[i].equalsIgnoreCase("I") || dataTypes[i].equalsIgnoreCase("F"))); indexes = true; } else index[i] = null; } if (geometry || indexes) { for (int i = 1; i < features + 1; i++) { Feature feature = shapeFile.getFeatureByRecNo(i); if (geometry) { Geometry[] geometries = feature.getGeometryPropertyValues(); if (geometries.length == 0) { LOG.logInfo("no geometries at recno" + i); continue; } Envelope envelope = null; // TODO: deal with more than one geometry; handle geometry=null (allowed // in shapefile) envelope = (feature.getDefaultGeometryPropertyValue()).getEnvelope(); if (envelope == null) { // assume a Point-geometry Point pnt = (Point) geometries[0]; envelope = GeometryFactory.createEnvelope( pnt.getX(), pnt.getY(), pnt.getX(), pnt.getY(), null); } HyperBoundingBox box = new HyperBoundingBox( new HyperPoint(envelope.getMin().getAsArray()), new HyperPoint(envelope.getMax().getAsArray())); rtree.insert(new Integer(i), box); } for (int j = 0; j < index.length; j++) { if (index[j] != null) { QualifiedName qn = new QualifiedName(properties[j]); index[j].addKey((Comparable) feature.getDefaultProperty(qn), i); } } progressBar.setValue(i); synchronized (this) { if (stop) { shapeFile.close(); if (geometry) { rtree.close(); new File(fileName + ".rti").delete(); } for (int j = 0; j < index.length; j++) { if (index[j] != null) { index[j].close(); new File(fileName + "$" + properties[j] + ".ndx").delete(); } } System.exit(3); } } } } try { if (geometry) { rtree.close(); } shapeFile.close(); for (int i = 0; i < index.length; i++) if (index[i] != null) index[i].close(); } catch (Exception e) { e.printStackTrace(); JOptionPane.showMessageDialog(frame, e); System.exit(1); } if (!geometryCheckBox.isSelected() && hasGeometry) { new File(fileName + ".rti").delete(); } for (int i = 0; i < index.length; i++) { if (!checkboxes[i].isSelected() && hasIndex[i]) { new File(fileName + "$" + properties[i] + ".ndx").delete(); } } System.exit(0); } catch (Exception ex) { ex.printStackTrace(); JOptionPane.showMessageDialog(frame, ex); System.exit(1); } }