Examples of org.opengis.feature.ComplexAttribute

org.opengis.feature.ComplexAttribute
through all the properties for (Property p : attribute.getValue(); ) { // do something with the property }
Contained properties can also be fetched by name by {@link Name} with the{@link #getProperties(Name)} and {@link #getProperties(String)} methods.
```
 ComplexAttribute attribute = ...; //loop through all the "foo" attributes for ( Property p : attribute.getProperties( "foo" ) ) { p.getName().getLocalPart() == "foo"; } 
```
Often it is known in advance that a single instance of a particular property exists. When this is the case the {@link #getProperty(Name)} and{@link #getProperty(String)} methods can be used to get direct access to theproperty.
```
 ComplexAttribute attribute = ...; //get the single foo attribute Property foo = attribute.getProperty( "foo" ); 
```
Xpath and Query Language Access
The above property access methods perform an exact match on property name against the name passed in. However, often it is necesary to access properties via a query language such as xpath.

For instance.the expression "//foo" should return all the properties named "foo". Or the expression "foo/bar" should return the "bar" property nested inside of the "foo" property. In these cases, an {@link Expression} must be used:
```
 ComplexAttribute attribute = ...; //get the 'foo/bar' property FilterFactory factory = ...; PropertyName xpath = factory.property( "foo/bar" ); Property bar = xpath.evaluate( attribute ); 
```
@author Jody Garnett, Refractions Research @author Gabriel Roldan, Axios Engineering @author Justin Deoliveira, The Open Planning Project @source $URL$

    @SuppressWarnings("unchecked")    
    public Object getImmediateNode() {
        
        //first try regular way
        if (feature instanceof ComplexAttribute) {
            ComplexAttribute ca = (ComplexAttribute) feature;
            Property p = ca.getProperty("@" + name.getLocalPart());
            if (p != null) {
                return p;
            }
        }

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     *      javax.xml.namespace.QName)
     */
    @Override
    public Object getProperty(Object object, QName name) throws Exception {
        if (object instanceof ComplexAttribute) {
            ComplexAttribute complex = (ComplexAttribute) object;
            Property property = complex.getProperty(toTypeName(name));
            if (property != null && !(property instanceof ComplexAttribute)) {
                return property.getValue();
            }
            if ("id".equals(name.getLocalPart())) {
                return complex.getIdentifier();
            }
        }
        return null;
    }

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                }
            }
            return properties;
        }
        if (object instanceof ComplexAttribute) {
            ComplexAttribute complex = (ComplexAttribute) object;
            for (XSDParticle childParticle : (List<XSDParticle>) Schemas.getChildElementParticles(
                    element.getTypeDefinition(), true)) {
                XSDElementDeclaration childElement = (XSDElementDeclaration) childParticle
                        .getContent();
                if (childElement.isElementDeclarationReference()) {
                    childElement = childElement.getResolvedElementDeclaration();
                }
                for (XSDElementDeclaration e : (List<XSDElementDeclaration>) childElement
                        .getSubstitutionGroup()) {
                    Name name = new NameImpl(e.getTargetNamespace(), e.getName());
                    Collection<Property> nameProperties = complex.getProperties(name);
                    if (!nameProperties.isEmpty()) {
                        // Particle creation stolen from BindingPropertyExtractor.
                        // I do not know why a wrapper is required; monkey see, monkey do.
                        // Without the wrapper, get an NPE in BindingPropertyExtractor.
                        XSDParticle substitutedChildParticle = XSDFactory.eINSTANCE
                                .createXSDParticle();
                        substitutedChildParticle.setMaxOccurs(childParticle.getMaxOccurs());
                        substitutedChildParticle.setMinOccurs(childParticle.getMinOccurs());
                        XSDElementDeclaration wrapper = XSDFactory.eINSTANCE
                                .createXSDElementDeclaration();
                        wrapper.setResolvedElementDeclaration(e);
                        substitutedChildParticle.setContent(wrapper);
                        for (Property property : nameProperties) {
                            /*
                             * Note : Returning simple feature value is not necessary as it has been
                             * taken care in the 1st For Loop of BindingPropertyExtractor.java -
                             * List properties(Object, XSDElementDeclaration) method
                             */
                            if (property instanceof ComplexAttribute) {
                                properties.add(new Object[] { substitutedChildParticle, property });
                            } else if (property instanceof GeometryAttribute) {
                                Object attType = complex.getType().getUserData()
                                        .get(XSDTypeDefinition.class);
                                boolean duplicate = false;
                                // handle substitution group for geometries too, but make sure
                                // it's not already handled in BindingPropertyExtractor
                                // otherwise it would be encoded as xlink:href as the id has already
                                // been seen
                                if (attType != null && attType instanceof XSDTypeDefinition) {
                                    XSDTypeDefinition attTypeDef = (XSDTypeDefinition) attType;
                                    for (XSDParticle attChild : (List<XSDParticle>) Schemas
                                            .getChildElementParticles(attTypeDef, true)) {
                                        XSDElementDeclaration childEl = (XSDElementDeclaration) attChild
                                                .getContent();
                                        if (childEl.isElementDeclarationReference()) {
                                            childEl = childEl.getResolvedElementDeclaration();
                                        }
                                        if (childEl.equals(e)) {
                                            duplicate = true;
                                            break;
                                        }
                                    }
                                }
                                if (!duplicate) {
                                    properties.add(new Object[] { substitutedChildParticle,
                                            property.getValue() });
                                }
                            }
                        }
                    }
                }
            }
        }


        List<XSDParticle> anyElementParticles = new ArrayList<XSDParticle>(Schemas
                .getAnyElementParticles(element.getTypeDefinition()));
        if (anyElementParticles.size() > 0) {
            Collection complexAtts = null;
            if (object instanceof Collection) {
                // collection of features
                complexAtts = (Collection) object;
            } else if (object instanceof ComplexAttribute) {
                // get collection of features from this attribute
                complexAtts = ((ComplexAttribute) object).getProperties();
            }


            // If child elements can't be retrieved from
            // Schemas.getChildElementParticles(element.getTypeDefinition(), true)),
            // properties list is empty. In this case, add all the complex
            // attributes in the object to the properties list.
            if (properties.isEmpty()) {
                for (Object complex : complexAtts) {
                    // only process complex attributes
                    if (complex instanceof ComplexAttribute) {
                        ComplexAttribute newComplexAtt = (ComplexAttribute) complex;
                        PropertyDescriptor descriptor = newComplexAtt.getDescriptor();
                        if (descriptor.getUserData() != null) {
                            Object propertyElement = descriptor.getUserData().get(
                                    XSDElementDeclaration.class);
                            if (propertyElement != null
                                    && propertyElement instanceof XSDElementDeclaration) {
                                XSDParticle substitutedChildParticle = XSDFactory.eINSTANCE
                                        .createXSDParticle();
                                substitutedChildParticle.setMaxOccurs(descriptor.getMaxOccurs());
                                substitutedChildParticle.setMinOccurs(descriptor.getMinOccurs());
                                XSDElementDeclaration wrapper = XSDFactory.eINSTANCE
                                        .createXSDElementDeclaration();
                                wrapper
                                        .setResolvedElementDeclaration((XSDElementDeclaration) propertyElement);
                                substitutedChildParticle.setContent(wrapper);
                                properties.add(new Object[] { substitutedChildParticle,
                                        newComplexAtt });
                            }
                        }
                    }
                }
            }


            /*
             * properties list is not empty.
             * 
             * It's possible <any> and <element> co-exist in the same type. For example, 
             * 
             * <sequence>
             *     <any/> 
             *     <element name="..." type="..."> 
             * </sequence>
             * 
             * In this case, only add <any> complex attributes to the properties list. The following
             * code is not covered in unit test, as app-schema, doesn't support <any> as a
             * targetAttribute in a mapping file. 
             */
            else {
                List<XSDParticle> elementParticles = new ArrayList<XSDParticle>(Schemas
                        .getChildElementParticles(element.getTypeDefinition(), false));
                for (Object complex : complexAtts) {
                    if (complex instanceof ComplexAttribute) {
                        ComplexAttribute newComplexAtt = (ComplexAttribute) complex;
                        PropertyDescriptor descriptor = ((Attribute) complex).getDescriptor();
                        if (descriptor.getUserData() != null) {
                            Object propertyElement = descriptor.getUserData().get(
                                    XSDElementDeclaration.class);
                            if (propertyElement != null
                                    && propertyElement instanceof XSDElementDeclaration) {
                                XSDParticle substitutedChildParticle = XSDFactory.eINSTANCE
                                        .createXSDParticle();
                                substitutedChildParticle.setMaxOccurs(descriptor.getMaxOccurs());
                                substitutedChildParticle.setMinOccurs(descriptor.getMinOccurs());
                                XSDElementDeclaration wrapper = XSDFactory.eINSTANCE
                                        .createXSDElementDeclaration();
                                wrapper
                                        .setResolvedElementDeclaration((XSDElementDeclaration) propertyElement);
                                substitutedChildParticle.setContent(wrapper);
                                boolean propertyExist = false;
                                for (XSDParticle childParticle : elementParticles) {
                                    XSDElementDeclaration childElement = (XSDElementDeclaration) childParticle
                                            .getContent();
                                    if (childElement.isElementDeclarationReference()) {
                                        childElement = childElement.getResolvedElementDeclaration();
                                    }
                                    String existingName = childElement.getName();
                                    String newName = newComplexAtt.getDescriptor().getName()
                                            .getLocalPart();
                                    if (existingName.equals(newName)) {
                                        propertyExist = true;
                                        break;
                                    }

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     * @param att
     *            The complex attribute itself
     */
    private void checkXlinkHref(Object value, ComplexAttribute att) {
        if (value != null && value instanceof ComplexAttribute) {
            ComplexAttribute object = (ComplexAttribute) value;
            // Only worry about features for now, as non feature types don't get ids encoded yet.
            // See GEOS-3738. To encode xlink:href to an id that doesn't exist in the doc is wrong
            if (!(object.getType() instanceof FeatureTypeImpl)) {
                // we are checking the type, not the object as FeatureImpl, because they could still
                // be non-features that are constructed as features for the purpose of feature
                // chaining.
                return;
            }
            Identifier ident = object.getIdentifier();
            if (ident == null) {
                return;
            }
            String id = Converters.convert(ident.getID(), String.class);
            if (idSet.idExists(id)) {

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     *      org.w3c.dom.Element)
     */
    @Override
    public Element encode(Object object, Document document, Element value) throws Exception {
        if (object instanceof ComplexAttribute) {
            ComplexAttribute complex = (ComplexAttribute) object;
            if (complex.getProperties().size() == 1) {
                Property prop = complex.getProperties().iterator().next();
                checkXlinkHref(prop, complex);
            }
            GML3EncodingUtils.encodeClientProperties(complex, value);
            GML3EncodingUtils.encodeSimpleContent(complex, document, value);
        }

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        assertEquals(1234, measure.doubleValue(), 0.1);
        assertEquals("http://someuri", ((BaseUnit) measure.getUnit()).getSymbol());
    }


    public void testEncode() throws Exception {
        ComplexAttribute myCode = gmlMeasureType(GML.measure, "12", "m");
        Document dom = encode(myCode, GML.measure);
        print(dom);
        assertEquals("gml:measure", dom.getDocumentElement().getNodeName());
        assertEquals("12", dom.getDocumentElement().getFirstChild().getNodeValue());
        assertNotNull(dom.getDocumentElement().getAttribute("uom"));

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    private static String TEST_NAME_VALUE = "Test name";


    private static String TEST_NAME_CODESPACE = "urn:x-test:SomeNamingAuthority";


    public void testEncode() throws Exception {
        ComplexAttribute myCode = gmlCodeType(GML.name, TEST_NAME_VALUE, TEST_NAME_CODESPACE);
        Document dom = encode(myCode, GML.name);
        print(dom);
        assertEquals("gml:name", dom.getDocumentElement().getNodeName());
        assertEquals(TEST_NAME_VALUE, dom.getDocumentElement().getFirstChild().getNodeValue());
        assertNotNull(dom.getDocumentElement().getAttribute("codeSpace"));

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            fi.close();
        }
    }


    private String getSimpleLiteralValue(Feature f, String name) {
        ComplexAttribute ca = (ComplexAttribute) f.getProperty(name);
        return (String) ca.getProperty("value").getValue();
    }

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        ComplexAttribute ca = (ComplexAttribute) f.getProperty(name);
        return (String) ca.getProperty("value").getValue();
    }
    
    private String getSimpleLiteralScheme(Feature f, String name) {
        ComplexAttribute ca = (ComplexAttribute) f.getProperty(name);
        return (String) ca.getProperty("scheme").getValue();
    }

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        final List<String> values = new ArrayList<String>();
        records.accepts(new FeatureVisitor() {
            
            @Override
            public void visit(Feature feature) {
                ComplexAttribute ca = (ComplexAttribute) feature.getProperty(property);
                String value = (String) ca.getProperty("value").getValue();
                values.add(value);
                
            }
        }, null);
        return values;

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Examples of org.opengis.feature.ComplexAttribute

Xpath and Query Language Access

Related Classes of org.opengis.feature.ComplexAttribute