Package org.geotools.data

Examples of org.geotools.data.FeatureSource

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* @since 1.1.0
*/
public class EditEventListeners {

    public void createAndAddListener(Layer layer, IProgressMonitor monitor) throws IOException {
        FeatureSource source=layer.getResource(FeatureSource.class, monitor);
        source.addFeatureListener(new FeatureListener(){

            public void changed( FeatureEvent featureEvent ) {
                switch( featureEvent.getEventType() ) {
                case FeatureEvent.FEATURES_ADDED:
                    // do something
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        DataAccess dataStore = service.resolve( DataStore.class, null );
        assertNotNull("DataStore connected", dataStore );
       
        Name typeName = (Name) dataStore.getNames().get(0);;
        FeatureSource featureSource = dataStore.getFeatureSource( typeName );
       
        assertEquals( 4, featureSource.getCount( Query.ALL ) );
       
        //IServiceInfo info = service.getInfo(new NullProgressMonitor());
        IServiceInfo info = getInfo(service, new NullProgressMonitor());
        assertNotNull("Title available", info.getTitle());
        assertNotNull("Description available", info.getDescription());
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            }
            features.clear();
           
            if (oldInput != null && oldInput instanceof AdaptableFeatureCollection) {
                AdaptableFeatureCollection old = (AdaptableFeatureCollection) oldInput;
                FeatureSource source = (FeatureSource) old.getAdapter(FeatureSource.class);
                if (source != null) {
                    source.removeFeatureListener(listener);
                }
            }
            if (newInput != null && newInput instanceof AdaptableFeatureCollection) {
                AdaptableFeatureCollection input = (AdaptableFeatureCollection) newInput;
                FeatureSource source = (FeatureSource) input.getAdapter(FeatureSource.class);
                if (source != null) {
                    source.addFeatureListener(listener);
                } else {
                    UiPlugin.trace(UiPlugin.ID, FeatureTableContentProvider.class,
                            "Unable to adapt to FeatureSource (to listen for changes):" + input,
                            null);
                }
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            // Construct a envelope from the transformed coordinate
            Envelope env = new Envelope(new Coordinate(to[0],to[1]));

            // Query the feature source to get the features that intersect with that coordinate
            FeatureSource source = layer.getResource(FeatureSource.class, ProgressManager.instance().get());
            FeatureCollection features = source.getFeatures(layer.createBBoxFilter(env, ProgressManager.instance().get()));
           
            // do something with the features...
           
        }catch( Throwable t ){
            // do something smart, notify user probably.
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    @SuppressWarnings("unchecked")
    public boolean canRender(IRenderContext context) {
        try {
            IGeoResource geoResource = context.getGeoResource();
            if( geoResource.canResolve(ShapefileDataStore.class)){
                FeatureSource featureSource=geoResource.resolve(FeatureSource.class, null);
               
                boolean notAView = !(featureSource instanceof DefaultView);
                boolean isAShapefile = (featureSource.getDataStore() instanceof ShapefileDataStore);
                return notAView && featureSource!=null && isAShapefile;
            }
        }
        catch( Throwable t ) {
        }
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                        return;
                    }
                } else if (layer instanceof DataStore || layer instanceof UDIGFeatureStore) {
                    try {
                        DataStore store = ((DataStore) layer);
                        FeatureSource featureStore = store.getFeatureSource(store.getTypeNames()[0]);
                        Envelope envelope = featureStore.getBounds();

                        ActiveRegionStyle style = getActiveRegionStyle();
                        JGrassRegion activeWindow = new JGrassRegion(style.west, style.east, style.south, style.north,
                                style.rows, style.cols);
                        JGrassRegion newWindow = JGrassRegion.adaptActiveRegionToEnvelope(envelope, activeWindow);
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    // WRAPPED METHODS TO ENFORCE SECURITY POLICY
    //--------------------------------------------------------------------------

    public FeatureSource getFeatureSource(ProgressListener listener, Hints hints)
            throws IOException {
        final FeatureSource fs = delegate.getFeatureSource(listener, hints);
       
        if(policy == WrapperPolicy.METADATA) {
            throw SecureCatalogImpl.unauthorizedAccess(this.getName());
        } else {
            return (FeatureSource) SecuredObjects.secure(fs, policy);
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        // check we have the expected sheet
        HSSFWorkbook wb = new HSSFWorkbook(in);
        HSSFSheet sheet = wb.getSheet("PrimitiveGeoFeature");
        assertNotNull(sheet);
       
        FeatureSource fs = getFeatureSource( MockData.PRIMITIVEGEOFEATURE );
           
        // check the number of rows in the output
        final int feautureRows = fs.getCount(Query.ALL);
        assertEquals(feautureRows + 1, sheet.getPhysicalNumberOfRows());
       
        // check the header is what we expect
        final SimpleFeatureType schema = (SimpleFeatureType) fs.getSchema();
        final HSSFRow header = sheet.getRow(0);
        assertEquals("FID", header.getCell(0).getRichStringCellValue().toString());
        for (int i = 0; i < schema.getAttributeCount(); i++) {
            assertEquals(schema.getDescriptor(i).getLocalName(), header.getCell(i+1).getRichStringCellValue().toString());
        }
       
        // check some selected values to see if the content and data type is the one
        // we expect
        FeatureIterator fi = fs.getFeatures().features();
        SimpleFeature sf = (SimpleFeature) fi.next();
        fi.close();
       
        // ... a string cell      
        HSSFCell cell = sheet.getRow(1).getCell(1);
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        HSSFWorkbook wb = new HSSFWorkbook(in);
        HSSFSheet sheet = wb.getSheet("PrimitiveGeoFeature");
        assertNotNull(sheet);
       
        // check the number of rows in the output
        FeatureSource fs = getFeatureSource(MockData.PRIMITIVEGEOFEATURE);
        assertEquals(fs.getCount(Query.ALL) + 1, sheet.getPhysicalNumberOfRows());
       
        sheet = wb.getSheet("GenericEntity");
        assertNotNull(sheet);
       
        // check the number of rows in the output
        fs = getFeatureSource(MockData.GENERICENTITY);
        assertEquals(fs.getCount(Query.ALL) + 1, sheet.getPhysicalNumberOfRows());
    }
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        Catalog catalog = gs.getCatalog();
        Set<String> featuresInTile = Collections.emptySet();
        try {
            // grab information needed to reach the db and get a hold to a db
            // connection
            FeatureSource featureSource = layer.getFeatureSource();
            featureType = catalog.getFeatureTypeByName(featureSource.getName());
           
            String dataDir = catalog.getResourceLoader().getBaseDirectory().getCanonicalPath();
            tableName = getDatabaseName(context, layer);

            // grab the features per tile, use a default if user did not
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