Examples with ValueReference org.opengis.filter.ValueReference used on opensource projects

Example 1 with ValueReference

use of org.opengis.filter.ValueReference in project geotoolkit by Geomatys.

the class CategoryStyleBuilder method analyze.

public void analyze(final MapLayer layer) {
    Resource resource = layer.getData();
    if (!(resource instanceof FeatureSet)) {
        throw new IllegalArgumentException("Layer resource must be a FeatureSet");
    }
    this.layer = layer;
    fts.rules().clear();
    properties.clear();
    if (layer != null) {
        FeatureType schema;
        try {
            schema = ((FeatureSet) resource).getType();
        } catch (DataStoreException ex) {
            throw new FeatureStoreRuntimeException(ex.getMessage(), ex);
        }
        for (PropertyType desc : schema.getProperties(true)) {
            if (desc instanceof AttributeType) {
                Class<?> type = ((AttributeType) desc).getValueClass();
                if (!Geometry.class.isAssignableFrom(type)) {
                    properties.add(ff.property(desc.getName().tip().toString()));
                }
            }
        }
        // find the geometry class for template
        Class<?> geoClass = null;
        try {
            PropertyType geo = FeatureExt.getDefaultGeometry(schema);
            geoClass = Features.toAttribute(geo).map(AttributeType::getValueClass).orElse(null);
        } catch (PropertyNotFoundException ex) {
            LOGGER.log(Level.FINE, "No sis:geometry property found", ex);
        }
        if (geoClass == null) {
            return;
        }
        if (Polygon.class.isAssignableFrom(geoClass) || MultiPolygon.class.isAssignableFrom(geoClass)) {
            Stroke stroke = sf.stroke(Color.BLACK, 1);
            Fill fill = sf.fill(Color.BLUE);
            template = sf.polygonSymbolizer(stroke, fill, null);
            expectedType = PolygonSymbolizer.class;
        } else if (LineString.class.isAssignableFrom(geoClass) || MultiLineString.class.isAssignableFrom(geoClass)) {
            Stroke stroke = sf.stroke(Color.BLUE, 2);
            template = sf.lineSymbolizer(stroke, null);
            expectedType = LineSymbolizer.class;
        } else {
            Stroke stroke = sf.stroke(Color.BLACK, 1);
            Fill fill = sf.fill(Color.BLUE);
            List<GraphicalSymbol> symbols = new ArrayList<>();
            symbols.add(sf.mark(StyleConstants.MARK_CIRCLE, fill, stroke));
            Graphic gra = sf.graphic(symbols, ff.literal(1), ff.literal(12), ff.literal(0), sf.anchorPoint(), sf.displacement());
            template = sf.pointSymbolizer(gra, null);
            expectedType = PointSymbolizer.class;
        }
        // try to rebuild the previous analyze if it was one
        List<? extends FeatureTypeStyle> ftss = layer.getStyle().featureTypeStyles();
        if (ftss.size() == 1) {
            FeatureTypeStyle fts = ftss.get(0);
            // defensive copy avoid synchronization
            List<? extends Rule> candidateRules = new ArrayList<>(fts.rules());
            for (Rule r : candidateRules) {
                // defensive copy avoid synchronization
                List<? extends Symbolizer> candidateSymbols = new ArrayList<>(r.symbolizers());
                if (candidateSymbols.size() != 1)
                    break;
                Symbolizer symbol = candidateSymbols.get(0);
                if (expectedType.isInstance(symbol)) {
                    if (r.isElseFilter()) {
                        // it looks like it's a valid classification "other" rule
                        this.fts.rules().add((MutableRule) r);
                        template = symbol;
                        other = true;
                    } else {
                        Filter f = r.getFilter();
                        if (f != null && f.getOperatorType() == ComparisonOperatorName.PROPERTY_IS_EQUAL_TO) {
                            BinaryComparisonOperator equal = (BinaryComparisonOperator) f;
                            Expression exp1 = equal.getOperand1();
                            Expression exp2 = equal.getOperand2();
                            if (exp1 instanceof ValueReference && exp2 instanceof Literal) {
                                if (properties.contains(exp1)) {
                                    // it looks like it's a valid classification property rule
                                    this.fts.rules().add((MutableRule) r);
                                    template = symbol;
                                    currentProperty = (ValueReference) exp1;
                                } else {
                                    // property is not in the schema
                                    break;
                                }
                            } else if (exp2 instanceof ValueReference && exp1 instanceof Literal) {
                                if (properties.contains(exp2)) {
                                    // it looks like it's a valid classification property rule
                                    this.fts.rules().add((MutableRule) r);
                                    template = symbol;
                                    currentProperty = (ValueReference) exp2;
                                } else {
                                    // property is not in the schema
                                    break;
                                }
                            } else {
                                // mismatch analyze structure
                                break;
                            }
                        }
                    }
                } else {
                    break;
                }
            }
        }
    }
}

Example 2 with ValueReference

use of org.opengis.filter.ValueReference in project geotoolkit by Geomatys.

the class CategoryStyleBuilder method create.

public List<MutableRule> create() {
    // search the different values
    final Set<Object> differentValues = new HashSet<>();
    final ValueReference property = currentProperty;
    final FeatureSet resource = (FeatureSet) layer.getData();
    final Query query = new Query();
    try {
        query.setTypeName(resource.getType().getName());
    } catch (DataStoreException ex) {
        LOGGER.log(Level.FINE, "Error while accessing data", ex);
    }
    query.setProperties(new String[] { property.getXPath() });
    try (Stream<Feature> stream = resource.subset(query).features(false)) {
        final Iterator<Feature> features = stream.iterator();
        while (features.hasNext()) {
            final Feature feature = features.next();
            differentValues.add(property.apply(feature));
        }
    } catch (DataStoreException | FeatureStoreRuntimeException ex) {
        LOGGER.log(Level.FINE, "Error while accessing data", ex);
    }
    // generate the different rules
    fts.rules().clear();
    for (Object obj : differentValues) {
        fts.rules().add(createRule(property, obj));
    }
    // generate the other rule if asked
    if (other) {
        MutableRule r = sf.rule(createSymbolizer());
        r.setElseFilter(true);
        r.setDescription(sf.description("other", "other"));
        fts.rules().add(r);
    }
    return fts.rules();
}

Example 3 with ValueReference

use of org.opengis.filter.ValueReference in project geotoolkit by Geomatys.

the class IntervalStyleBuilder method isIntervalStyle.

public boolean isIntervalStyle(final FeatureTypeStyle fts) {
    if (fts.rules().isEmpty())
        return false;
    for (Rule r : fts.rules()) {
        Filter f = r.getFilter();
        if (f == null || r.isElseFilter())
            return false;
        if (r.symbolizers().size() != 1)
            return false;
        if (f.getOperatorType() == LogicalOperatorName.AND) {
            LogicalOperator<Object> and = (LogicalOperator) f;
            if (and.getOperands().size() != 2)
                return false;
            Filter<Object> op1 = and.getOperands().get(0);
            Filter<Object> op2 = and.getOperands().get(1);
            if (op2.getOperatorType() == ComparisonOperatorName.PROPERTY_IS_GREATER_THAN_OR_EQUAL_TO) {
                // flip order
                op1 = op2;
                op2 = and.getOperands().get(0);
            }
            if (op1.getOperatorType() == ComparisonOperatorName.PROPERTY_IS_GREATER_THAN_OR_EQUAL_TO) {
                BinaryComparisonOperator under = (BinaryComparisonOperator) op1;
                Expression exp1 = under.getOperand1();
                Expression exp2 = under.getOperand2();
                if (exp1.getFunctionName().tip().toString().equals("Divide")) {
                    List parameters = exp1.getParameters();
                    if (!properties.contains(parameters.get(0)))
                        return false;
                    if (!properties.contains(parameters.get(1)))
                        return false;
                } else if (exp1 instanceof ValueReference) {
                    ValueReference name = (ValueReference) exp1;
                    if (!properties.contains(name))
                        return false;
                } else {
                    return false;
                }
                if (!(exp2 instanceof Literal)) {
                    return false;
                }
                if (op2.getOperatorType() == ComparisonOperatorName.PROPERTY_IS_LESS_THAN || op2.getOperatorType() == ComparisonOperatorName.PROPERTY_IS_LESS_THAN_OR_EQUAL_TO) {
                    BinaryComparisonOperator bc = (BinaryComparisonOperator) op2;
                    Expression ex1 = under.getOperand1();
                    Expression ex2 = under.getOperand2();
                    if (exp1.getFunctionName().tip().toString().equals("Divide")) {
                        List parameters = exp1.getParameters();
                        if (!properties.contains(parameters.get(0)))
                            return false;
                        if (!properties.contains(parameters.get(1)))
                            return false;
                    } else if (exp1 instanceof ValueReference) {
                        ValueReference name = (ValueReference) ex1;
                        if (!properties.contains(name))
                            return false;
                    } else {
                        return false;
                    }
                    if (!(ex2 instanceof Literal)) {
                        return false;
                    }
                } else {
                    return false;
                }
            } else {
                return false;
            }
        }
        template = r.symbolizers().get(0);
    }
    method = METHOD.MANUAL;
    nbClasses = fts.rules().size() + 1;
    return true;
}

Example 4 with ValueReference

use of org.opengis.filter.ValueReference in project geotoolkit by Geomatys.

the class FilterFactory2 method intersects.

public BinarySpatialOperator<Object> intersects(final String propertyName, final Geometry geometry) {
    final ValueReference name = property(propertyName);
    final Literal geom = super.literal(geometry);
    return intersects(name, geom);
}

Example 5 with ValueReference

use of org.opengis.filter.ValueReference in project geotoolkit by Geomatys.

the class FilterFactory2 method within.

public BinarySpatialOperator<Object> within(final String propertyName, final Geometry geometry) {
    final ValueReference name = property(propertyName);
    final Literal geom = super.literal(geometry);
    return within(name, geom);
}