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

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

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        int startPos = -1;           
        if (Types.equals(nextElementName, steps.get(0).getName())) {
            // simple contents where nested element name is the same as the nesting element
            startPos = 0;
        } else {
            Step elementNameStep = steps.get(nestedMapping.getTargetXPath().size());
            // support polymorphism
            // check that element type matches the steps
            if (Types.equals(nextElementName, elementNameStep.getName())) {
                startPos = nestedMapping.getTargetXPath().size();
                if (steps.size() > startPos + 1 && !steps.get(startPos + 1).isXmlAttribute()) {
                    // skip next element name for next evaluation
                    // except if the next step is a client property for that element name
                    // since we'd need the AttributeMapping for the client property
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        return steps.get(steps.size() - 1).isXmlAttribute();
    }
   
    private List<Object> getClientProperties(AttributeMapping attMapping, Feature f) {
        List<Object> values = new ArrayList<Object>();
        Step lastStep = getLastStep();       
        Expression exp = getClientPropertyExpression(attMapping, lastStep);
        if (exp != null) {
            Object value = getValue(exp, f);
            if (value != null) {
                values.add(value);
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     *
     * @param targetXPathSteps
     */
    private void validateConfiguredNamespaces(StepList targetXPathSteps) {
        for (Iterator it = targetXPathSteps.iterator(); it.hasNext();) {
            Step step = (Step) it.next();
            QName name = step.getName();
            if (!XMLConstants.DEFAULT_NS_PREFIX.equals(name.getPrefix())) {
                if (XMLConstants.DEFAULT_NS_PREFIX.equals(name.getNamespaceURI())) {
                    throw new IllegalArgumentException("location step " + step + " has prefix "
                            + name.getPrefix() + " for which no namespace was set. "
                            + "(Check the Namespaces section in the config file)");
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            AttributeMapping attMapping = (AttributeMapping) it.next();
            StepList targetXPath = attMapping.getTargetXPath();
            if (targetXPath.size() > 1) {
                continue;
            }
            Step step = (Step) targetXPath.get(0);
            if (featureName.equals(step.getName())) {
                featureMapping = attMapping;
                break;
            }
        }
        featureMapping.setIdentifierExpression(idExpression);
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        return xpath;
    }
   
    private void setPathIndex(int j, StepList sl) {
        if (j > 0) {
            Step st = sl.get(sl.size() - 1);
            Step st2 = new Step(st.getName(), j + 1, st.isXmlAttribute());
            sl.remove(sl.size() - 1);
            sl.add(st2);
        }
    }
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            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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        Iterator<Step> stepsIterator = steps.iterator();

        while (stepsIterator.hasNext()) {
            assert property instanceof ComplexAttribute;
            Step step = stepsIterator.next();
            property = ((ComplexAttribute) property).getProperty(Types.toTypeName(step.getName()));
            if (property == null) {
                return null;
            }
        }
        return property;
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        final StepList steps = new StepList(xpath);

        Iterator<Step> stepsIterator = steps.iterator();
        Collection<Property> properties = null;
        Step step = null;
        if (stepsIterator.hasNext()) {
            step = stepsIterator.next();
            properties = ((ComplexAttribute) root).getProperties(Types.toTypeName(step.getName()));
        }

        while (stepsIterator.hasNext()) {
            step = stepsIterator.next();
            Collection<Property> nestedProperties = new ArrayList<Property>();
            for (Property property : properties) {
                assert property instanceof ComplexAttribute;
                Collection<Property> tempProperties = ((ComplexAttribute) property)
                        .getProperties(Types.toTypeName(step.getName()));
                if (!tempProperties.isEmpty()) {
                    nestedProperties.addAll(tempProperties);
                }
            }
            properties.clear();
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            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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        for (AttributeMapping attMapping : attributeMappings) {
            StepList targetXPath = attMapping.getTargetXPath();
            if (targetXPath.size() > 1) {
                continue;
            }
            Step step = (Step) targetXPath.get(0);
            QName stepName = step.getName();
            if (Types.equals(target.getName(), stepName)) {
                featureFidMapping = attMapping.getIdentifierExpression();
                break;
            }
        }
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Related Classes of org.geotools.data.complex.filter.XPathUtil.Step

  • org.geotools.data.complex.config.AppSchemaDataAccessConfigurator
  • org.geotools.data.complex.DataAccessMappingFeatureIterator
  • org.geotools.data.complex.FeatureTypeMapping
  • org.geotools.data.complex.filter.UnmappingFilterVisitor
  • org.geotools.data.complex.filter.UnmappingFilterVisitorTest
  • org.geotools.data.complex.XmlFeatureTypeMapping
  • org.geotools.filter.NestedAttributeExpression
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