/**
* Parse the string and convert it to a {@link java.awt.Color}. See class description for details
* on the supported color formats.
*
* @param colorString the color string encoded.
*/
public static Color toColor(final String colorString) {
String trimmedString = colorString.trim();
Color color = null;
if (trimmedString.startsWith("#")) {
final int shortHexCode = 4;
if (trimmedString.length() == shortHexCode) {
StringBuilder builder = new StringBuilder("#");
for (int i = 1; i < trimmedString.length(); i++) {
builder.append(trimmedString.charAt(i));
builder.append(trimmedString.charAt(i));
}
color = SLD.toColor(builder.toString());
} else {
color = SLD.toColor(trimmedString);
}
}
if (color == null) {
color = parseRgbColor(trimmedString);
}
if (color == null) {
color = parseRgbaColor(trimmedString);
}
if (color == null) {
color = parseHslColor(trimmedString);
}
if (color == null) {
color = parseHslaColor(trimmedString);
}
if (color == null) {
final Field[] fields = Color.class.getFields();
for (Field field : fields) {
if (field.getType() == Color.class
&& Modifier.isFinal(field.getModifiers())
&& Modifier.isStatic(field.getModifiers())
&& field.getName().equalsIgnoreCase(trimmedString)) {
try {
return (Color) field.get(null);
} catch (IllegalAccessException e) {
throw new Error(e);
}
}
}
color = Color.decode(trimmedString);
}
return color;
}
private static void constructMapUI(final File shapefile) {
JMapFrame frame;
MapContent map = new MapContent();
FileDataStore dataStore;
SimpleFeatureSource shapefileSource;
try {
dataStore = FileDataStoreFinder.getDataStore(shapefile);
shapefileSource = dataStore.getFeatureSource();
} catch (IOException e) {
e.printStackTrace();
return;
}
Style shpStyle = SLD.createPolygonStyle(Color.RED, null, 0.0f);
Layer shpLayer = new FeatureLayer(shapefileSource, shpStyle);
map.addLayer(shpLayer);
frame = new JMapFrame(map);
frame.enableLayerTable(true);
frame.setSize(1000, 800);
frame.enableStatusBar(true);
frame.enableToolBar(true);
frame.setTitle("Map Viewer (courtesy of GeoTools");
JMenuBar menuBar = new JMenuBar();
frame.setJMenuBar(menuBar);
frame.setVisible(true);
frame.setDefaultCloseOperation(JMapFrame.HIDE_ON_CLOSE);
}
public void handleAction(final FlowModel flowModel) throws OgcFlowException {
WFSLayer wfsLayer = findWFSLayer(flowModel);
log.debug("Drawing image for wfs layer '" + wfsLayer.getName(locale) + "'");
List<Future<WFSResponseCapsule>> futures = new ArrayList<Future<WFSResponseCapsule>>();
/* Create workers */
log.debug("We have " + wfsLayer.getSelectedFeatureTypes().size() + " selected feature types");
for (SelectedFeatureType sft : wfsLayer.getSelectedFeatureTypes()) {
FeatureType ft = sft.getFeatureType();
log.debug("Processing featuretype '", ft.getTitle(locale), "'...");
/* Create filter */
String geomName = ft.getBboxParameterName();
FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(GeoTools.getDefaultHints());
GetFeaturesWorker worker =
new GetFeaturesWorker(sft, getExtendedMapViewBbox(ff, geomName, flowModel), false);
Future<WFSResponseCapsule> future = WfsExecutorService.schedule(worker);
futures.add(future);
}
/* collect results */
FeatureCollection<SimpleFeatureType, SimpleFeature> features =
WfsExecutorService.collectFeaturesFromFutures(futures);
String[] bbox = getBbox(flowModel);
Double bboxMinX = Double.parseDouble(bbox[0]);
Double bboxMinY = Double.parseDouble(bbox[1]);
Double bboxMaxX = Double.parseDouble(bbox[2]);
Double bboxMaxY = Double.parseDouble(bbox[3]);
MapContext mapContext = buildMapContext();
ReferencedEnvelope bounds =
new ReferencedEnvelope(
bboxMaxX, bboxMinX, bboxMaxY, bboxMinY, mapContext.getCoordinateReferenceSystem());
/* Add all found features */
if (features != null && features.size() > 0) {
log.debug("Parsing found " + features.size() + " features.");
String styleString = wfsLayer.getStyle();
// TODO: sld styles should be stored in the database
if (styleString == null || "".equals(styleString)) {
styleString =
SLDStore.getSLD(
wfsLayer
.getWmsName()); // MapLayerServiceNoDbImpl.getSldStyle(wfsLayer.getWmsName());
}
Style style = SLD.styles(createSLDStyle(styleString))[0];
mapContext.addLayer(features, style);
} else {
log.debug("Parsing found no features.");
}
BufferedImage image = renderImageFromFeatures(flowModel, mapContext, bounds);
/*image.getGraphics().setColor(new Color(1f, 0, 0));
image.getGraphics().drawRect(1, 1, image.getWidth()-1, image.getHeight()-1);*/
flowModel.put("image", image);
}
/** The constructor. */
public ViewTest() {
// Create a map content and add our shapefile to it
map = new MapContent();
map.setTitle("simple map content");
// hey, try for an image aswell
String path = "/Users/ian/Desktop/ukrasterchart/2_BRITISH_ISLES.tif";
File chartFile = new File(path);
if (!chartFile.exists()) System.err.println("CANNOT FILE THE CHART FILE!!!");
WorldImageFormat format = new WorldImageFormat();
AbstractGridCoverage2DReader tiffReader = format.getReader(chartFile);
if (tiffReader != null) {
StyleFactoryImpl sf = new StyleFactoryImpl();
RasterSymbolizer symbolizer = sf.getDefaultRasterSymbolizer();
Style defaultStyle = SLD.wrapSymbolizers(symbolizer);
GeneralParameterValue[] params = null;
GridReaderLayer res = new GridReaderLayer(tiffReader, defaultStyle, params);
map.addLayer(res);
}
try {
URL url = GtActivator.getDefault().getBundle().getEntry("data/50m_admin_0_countries.shp");
String filePath = FileLocator.resolve(url).getFile();
File file = new File(filePath);
if (!file.exists()) System.err.println("can't find file!!!");
FileDataStore store = FileDataStoreFinder.getDataStore(file);
if (store != null) {
SimpleFeatureSource featureSource = store.getFeatureSource();
Style style = SLD.createSimpleStyle(featureSource.getSchema());
Layer layer = new FeatureLayer(featureSource, style);
map.addLayer(layer);
}
} catch (IOException e) {
}
//
}
/**
* Parses SLD style from an InputStream (XML)
*
* @param xml
* @return sld
*/
private Style createSLDStyle(InputStream xml) {
Configuration config = new SLDConfiguration();
Parser parser = new Parser(config);
StyledLayerDescriptor sld = null;
try {
sld = (StyledLayerDescriptor) parser.parse(xml);
} catch (Exception e) {
log.error(e, "Failed to create SLD Style");
return null;
}
return SLD.styles(sld)[0];
}
@SuppressWarnings("unchecked")
private static Style createStyle(SimpleFeatureSource source, String fieldName) throws Exception {
StyleFactory styleFactory = CommonFactoryFinder.getStyleFactory();
FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2();
Function colourFn = ff.function("colorlookup", ff.literal(source), ff.property(fieldName));
Stroke stroke =
styleFactory.createStroke(
colourFn,
ff.literal(1.0f), // line
// width
ff.literal(1.0f)); // opacity
Fill fill = styleFactory.createFill(colourFn, ff.literal(1.0f)); // opacity
Class<?> geomClass = source.getSchema().getGeometryDescriptor().getType().getBinding();
Symbolizer sym = null;
Geometries geomType = Geometries.getForBinding((Class<? extends Geometry>) geomClass);
switch (geomType) {
case POLYGON:
case MULTIPOLYGON:
sym = styleFactory.createPolygonSymbolizer(stroke, fill, null);
break;
case LINESTRING:
case MULTILINESTRING:
sym = styleFactory.createLineSymbolizer(stroke, null);
break;
case POINT:
case MULTIPOINT:
Graphic gr = styleFactory.createDefaultGraphic();
gr.graphicalSymbols().clear();
Mark mark = styleFactory.getCircleMark();
mark.setFill(fill);
mark.setStroke(stroke);
gr.graphicalSymbols().add(mark);
gr.setSize(ff.literal(10.0f));
sym = styleFactory.createPointSymbolizer(gr, null);
break;
default:
throw new IllegalArgumentException("Unsupported geometry type");
}
Style style = SLD.wrapSymbolizers(sym);
return style;
}
public Style style(IProgressMonitor monitor) {
URL url = parent.getIdentifier();
File file = URLUtils.urlToFile(url);
String shp = file.getAbsolutePath();
StyleFactory styleFactory = CommonFactoryFinder.getStyleFactory(GeoTools.getDefaultHints());
// strip off the extension and check for sld
String sld = shp.substring(0, shp.length() - 4) + ".sld"; // $NON-NLS-1$
File f = new File(sld);
if (!f.exists()) {
// try upper case
sld = shp.substring(0, shp.length() - 4) + ".SLD"; // $NON-NLS-1$
f = new File(sld);
}
if (f.exists()) {
// parse it up
SLDParser parser = new SLDParser(styleFactory);
try {
parser.setInput(f);
} catch (FileNotFoundException e) {
return null; // well that is unexpected since f.exists()
}
Style[] styles = parser.readXML();
FeatureSource<SimpleFeatureType, SimpleFeature> source;
try {
source = featureSource(null);
} catch (IOException e) {
return null; // does not look like there is anything in the shapefile
}
SimpleFeatureType featureType = source.getSchema();
// put the first one on
if (styles != null && styles.length > 0) {
Style style = SLD.matchingStyle(styles, featureType);
if (style == null) {
style = styles[0];
}
makeGraphicsAbsolute(file, style);
return style;
}
}
return null; // well nothing worked out; make your own style
}
public void run() {
Display display = Display.getCurrent();
Shell shell = new Shell(display);
File openFile = JFileImageChooser.showOpenFile(shell);
if (openFile != null && openFile.exists()) {
AbstractGridFormat format = GridFormatFinder.findFormat(openFile);
AbstractGridCoverage2DReader tiffReader = format.getReader(openFile);
StyleFactoryImpl sf = new StyleFactoryImpl();
RasterSymbolizer symbolizer = sf.getDefaultRasterSymbolizer();
Style defaultStyle = SLD.wrapSymbolizers(symbolizer);
MapContext mapContext = mapPane.getMapContext();
MapLayer layer = new MapLayer(tiffReader, defaultStyle);
layer.setTitle(openFile.getName());
mapContext.addLayer(layer);
mapPane.redraw();
}
}
@Override
public Feature decorate(Feature feature, KmlEncodingContext context) {
Placemark pm = (Placemark) feature;
// try with the template
SimpleFeature sf = context.getCurrentFeature();
String title = null;
try {
title = context.getTemplate().title(sf);
} catch (IOException e) {
String msg = "Error occured processing 'title' template.";
LOGGER.log(Level.WARNING, msg, e);
}
// if we got nothing, set the title to the ID, but also try the text symbolizers
if (title == null || "".equals(title)) {
title = sf.getID();
StringBuffer label = new StringBuffer();
for (Symbolizer sym : context.getCurrentSymbolizers()) {
if (sym instanceof TextSymbolizer) {
Expression e = SLD.textLabel((TextSymbolizer) sym);
String value = e.evaluate(feature, String.class);
if ((value != null) && !"".equals(value.trim())) {
label.append(value);
}
}
}
if (label.length() > 0) {
title = label.toString();
}
}
pm.setName(title);
return pm;
}
