Examples of org.geotools.data.complex.filter.XPathUtil.StepList

Package org.geotools.data.complex.filter.XPathUtil

Examples of org.geotools.data.complex.filter.XPathUtil.StepList

org.geotools.data.complex.filter.XPathUtil.StepList

    }
    
    private List<Expression> unrollProperty (PropertyName property, final FeatureTypeMapping mapping) {
        
        final AttributeDescriptor targetDescriptor = mapping.getTargetFeature();
        StepList propertySteps = XPath.steps(targetDescriptor, property.getPropertyName(), mapping.getNamespaces());
   
        return mapping.findMappingsFor(propertySteps, true);
    }

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    }
    
    public Object visit(PropertyName expression, Object notUsed) {
        
        // break into single steps
        StepList exprSteps = XPath.steps(mappings.getTargetFeature(), expression.getPropertyName(), this.mappings.getNamespaces());


        if (exprSteps.containsPredicate()) {
            postStack.push(expression);
            return null;
        }
        
        List<Expression> matchingMappings = mappings.findMappingsFor(exprSteps, false);

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        // exception for FEATURE_LINK attributes
        Iterator<AttributeMapping> mappings = mapping.getAttributeMappings().iterator();
        AttributeMapping rootMapping = null;
        while (mappings.hasNext()) {
            AttributeMapping att = mappings.next();
            StepList xpath = att.getTargetXPath();
            if (XPath.equals(elementName, xpath)) {
                if (rootMapping != null) {
                    throw new RuntimeException("Duplicate AttributeMapping for: '" + elementName
                            + "' is found in FeatureTypeMapping '" + elementName + "'!");
                }

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        Expression fidExpression = null;


        for (Iterator it = mappings.getAttributeMappings().iterator(); it.hasNext();) {
            AttributeMapping attMapping = (AttributeMapping) it.next();
            StepList targetXPath = attMapping.getTargetXPath();
            if (targetXPath.size() > 1) {
                continue;
            }


            Step step = (Step) targetXPath.get(0);
            QName stepName = step.getName();
            if (namespace.equals(stepName.getNamespaceURI())) {
                if (name.equals(stepName.getLocalPart())) {
                    fidExpression = attMapping.getIdentifierExpression();
                    break;

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        NamespaceSupport namespaces = mappings.getNamespaces();
        AttributeDescriptor root = mappings.getTargetFeature();


        List<NestedAttributeMapping> nestedMappings = mappings.getNestedMappings();
        // break into single steps
        StepList simplifiedSteps = XPath.steps(root, targetXPath, namespaces);


        List<Expression> matchingMappings = mappings.findMappingsFor(simplifiedSteps, false);


        if (!nestedMappings.isEmpty()) {
            // means some attributes are mapped separately in feature chaining
            for (NestedAttributeMapping nestedMapping : nestedMappings) {
                if (simplifiedSteps.startsWith(nestedMapping.getTargetXPath())) {
                    matchingMappings.add(new NestedAttributeExpression(simplifiedSteps,
                            nestedMapping));
                }
            }
        }

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            // As there can be multiple nodes of mo:composition in this case, we need to retrieve
            // all of them
            AttributeExpressionImpl attribExpression = ((AttributeExpressionImpl) expression);
            String xpath = attribExpression.getPropertyName();
            ComplexAttribute sourceFeature = (ComplexAttribute) sourceFeatureInput;
            StepList xpathSteps = XPath.steps(sourceFeature.getDescriptor(), xpath, namespaces);
            return getProperties(sourceFeature, xpathSteps);
        }
        return expression.evaluate(sourceFeatureInput);
    }

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    protected Attribute setAttributeValue(Attribute target, String id, final Object source,
            final AttributeMapping attMapping, Object values, StepList inputXpath, List<PropertyName> selectedProperties) throws IOException {


        final Expression sourceExpression = attMapping.getSourceExpression();
        final AttributeType targetNodeType = attMapping.getTargetNodeInstance();
        StepList xpath = inputXpath == null ? attMapping.getTargetXPath().clone() : inputXpath;


        Map<Name, Expression> clientPropsMappings = attMapping.getClientProperties();
        boolean isNestedFeature = attMapping.isNestedAttribute();
        
        if (id == null && Expression.NIL != attMapping.getIdentifierExpression()) {

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                    .getMappingByName((Name) mappingName);
            List<AttributeMapping> polymorphicMappings = fTypeMapping.getAttributeMappings();
            AttributeDescriptor attDescriptor = fTypeMapping.getTargetFeature();
            AttributeType type = attDescriptor.getType();
            Name polymorphicTypeName = attDescriptor.getName();
            StepList prefixedXpath = xpath.clone();
            prefixedXpath.add(new Step(new QName(polymorphicTypeName.getNamespaceURI(),
                    polymorphicTypeName.getLocalPart(), this.namespaces
                            .getPrefix(polymorphicTypeName.getNamespaceURI())), 1));
            if (!fTypeMapping.getFeatureIdExpression().equals (Expression.NIL)) {
                id = fTypeMapping.getFeatureIdExpression().evaluate(source, String.class);
            }

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                        Expression sourceExpr = attMapping.getSourceExpression();
                        for (Feature source : sources) {
                            values.add(getValue(sourceExpr, source));                        
                        }
                        String valueString = StringUtils.join(values.iterator(), " ");
                        StepList fullPath = attMapping.getTargetXPath();
                        StepList leafPath = fullPath.subList(fullPath.size() - 1, fullPath.size());
                        if (instance instanceof ComplexAttributeImpl) {              
                            // xpath builder will work out the leaf attribute to set values on
                            xpathAttributeBuilder.set(instance, leafPath, valueString, null, null,
                                    false, sourceExpr);
                        } else {

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     * @return The first matching attribute
     */
    private Property getProperty(Attribute root, StepList xpath) {
        Property property = root;


        final StepList steps = new StepList(xpath);


        Iterator<Step> stepsIterator = steps.iterator();


        while (stepsIterator.hasNext()) {
            assert property instanceof ComplexAttribute;
            Step step = stepsIterator.next();
            property = ((ComplexAttribute) property).getProperty(Types.toTypeName(step.getName()));

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Related Classes of org.geotools.data.complex.filter.XPathUtil.StepList

org.geotools.data.complex.AbstractMappingFeatureIterator

org.geotools.data.complex.AppSchemaDataAccess

org.geotools.data.complex.BoreholeTest

org.geotools.data.complex.config.AppSchemaDataAccessConfigurator

org.geotools.data.complex.DataAccessMappingFeatureIterator

org.geotools.data.complex.FeatureTypeMapping

org.geotools.data.complex.filter.ComplexFilterSplitter

org.geotools.data.complex.filter.UnmappingFilterVisitor

org.geotools.data.complex.filter.UnmappingFilterVisitorTest

org.geotools.data.complex.filter.XPathUtilTest

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