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 $URL$

        feature = filteredResults.features().next();
        assertEquals("gu.25678", feature.getIdentifier().toString());
        Collection<Property> properties = feature.getProperties(Types.typeName(GMLNS, "name"));
        assertTrue(properties.size() == 3);
        Iterator<Property> propIterator = properties.iterator();
        ComplexAttribute complexAttribute;
        Collection<? extends Property> values;
        // first
        complexAttribute = (ComplexAttribute) propIterator.next();
        values = complexAttribute.getValue();
        assertEquals(1, values.size());
        assertEquals("Yaugher Volcanic Group 1",
                GML3EncodingUtils.getSimpleContent(complexAttribute));
        // second
        complexAttribute = (ComplexAttribute) propIterator.next();
        values = complexAttribute.getValue();
        assertEquals(1, values.size());
        assertEquals("Yaugher Volcanic Group 2",
                GML3EncodingUtils.getSimpleContent(complexAttribute));
        // third
        complexAttribute = (ComplexAttribute) propIterator.next();
        values = complexAttribute.getValue();
        assertEquals(1, values.size());
        assertEquals("-Py",
                GML3EncodingUtils.getSimpleContent(complexAttribute));
        /**
         * Same case as above, but the multi-valued property is feature chained

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    public void testLeafComplexAttribute() {
        Collection<Property> attributes = new ArrayList<Property>();
        AttributeDescriptor descriptor = new AttributeDescriptorImpl(XSSchema.STRING_TYPE,
                ComplexFeatureConstants.SIMPLE_CONTENT, 1, 1, true, (Object) null);
        attributes.add(new AttributeImpl("rini", descriptor, null));
        ComplexAttribute gmlName = new ComplexAttributeImpl(attributes, GMLSchema.CODETYPE_TYPE, null);
        String nameString = Converters.convert(gmlName, String.class);
        assertEquals("rini", nameString);
    }

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    public void testParentComplexAttribute() {
        Collection<Property> attributes = new ArrayList<Property>();
        AttributeDescriptor descriptor = new AttributeDescriptorImpl(XSSchema.STRING_TYPE,
                ComplexFeatureConstants.SIMPLE_CONTENT, 1, 1, true, (Object) null);
        attributes.add(new AttributeImpl("rini", descriptor, null));
        ComplexAttribute gmlName = new ComplexAttributeImpl(attributes, GMLSchema.CODETYPE_TYPE, null);
        
        Collection<Property> parentAttributes = new ArrayList<Property>();
        parentAttributes.add(gmlName);
        ComplexAttribute parentAtt = new ComplexAttributeImpl(parentAttributes, GMLSchema.ABSTRACTFEATURETYPE_TYPE, null);
        String nameString = Converters.convert(parentAtt, String.class);
        
        assertEquals(parentAtt.toString(), nameString);
        assertNotSame("rini", nameString);
    }

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            assertEquals(null, at.getIdentifier());
            assertEquals(new NameImpl(FeatureChainingTest.GSMLNS, "observationMethod"), at.getName());
            assertEquals(new NameImpl(FeatureChainingTest.GSMLNS, "CGI_TermValuePropertyType"), at.getDescriptor()
                    .getType().getName());


            ComplexAttribute ob = getNestedComplexValueForAttribute(at);
            assertEquals(null, ob.getIdentifier());
            assertEquals(new NameImpl(FeatureChainingTest.GSMLNS, "CGI_TermValue"), ob.getName());
            assertEquals(new NameImpl(FeatureChainingTest.GSMLNS, "CGI_TermValueType"), ob.getDescriptor().getType()
                    .getName());


            ComplexAttribute ob2 = getNestedComplexValueForAttribute(ob);
            assertEquals(null, ob2.getIdentifier());
            assertEquals(new NameImpl(FeatureChainingTest.GSMLNS, "value"), ob2.getName());
            assertEquals(new NameImpl(CGINS, "CodeWithAuthorityType"), ob2
                    .getDescriptor().getType().getName());
            assertEquals("CONSTANT", getValueForAttribute(ob2));
            assertEquals("gsv:NameSpace", getUserDataForAttribute(ob2, new NameImpl("codeSpace")));
        }

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                Feature feature = features.next();
                String fId = feature.getIdentifier().getID();
                String recodedName = VALUE_MAP.get(fId);
                // gml[3]: <OCQL>Recode(STRING, 'string_one', 'a', 'string_two', 'b', 'string_three',
                // 'c')</OCQL>
                ComplexAttribute complexAttribute = (ComplexAttribute) ff.property("gml:name[3]")
                        .evaluate(feature);
                String value = Converters.convert(GML3EncodingUtils.getSimpleContent(complexAttribute),
                        String.class);
                assertEquals(recodedName, value);
            }

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            while (features.hasNext()) {
                Feature feature = features.next();
                String fId = feature.getIdentifier().getID();
                // gml[2]: <OCQL>Vocab(URN_ID,
                // 'src/test/java/org/geotools/filter/test-data/minoc_lithology_mapping.properties')</OCQL>
                ComplexAttribute complexAttribute = (ComplexAttribute) ff.property("gml:name[2]")
                        .evaluate(feature);
                String value = Converters.convert(GML3EncodingUtils.getSimpleContent(complexAttribute),
                        String.class);
                assertEquals(VALUE_MAP.get(fId), value);
            }

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            // </AttributeMapping>
            // 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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        descriptor = attribute.getDescriptor();
        type = attribute.getType();


        if (attribute instanceof ComplexAttribute) {
            ComplexAttribute complex = (ComplexAttribute) attribute;
            Collection properties = (Collection) complex.getValue();
            for (Iterator itr = properties.iterator(); itr.hasNext();) {
                Property property = (Property) itr.next();
                if (property instanceof Attribute) {
                    Attribute att = (Attribute) property;
                    add(att.getIdentifier() == null ? null : att.getIdentifier().toString(), att

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    public Object getProperty(Object object, QName name) throws Exception {
        if (GML._Feature.equals(name)) {
            if (object instanceof SimpleFeature) {
                return object;
            } else if (object instanceof FeatureImpl) {
                ComplexAttribute complex = (ComplexAttribute) object;
                Identifier ident = complex.getIdentifier();
                if (ident == null) {
                    return object;
                }
                String id;
                if (ident instanceof FeatureId) {

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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;
            checkXlinkHref(complex);
            GML3EncodingUtils.encodeClientProperties(complex, value);
            GML3EncodingUtils.encodeSimpleContent(complex, document, value);
        }
        return value;

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Examples of org.opengis.feature.ComplexAttribute

Xpath and Query Language Access

Related Classes of org.opengis.feature.ComplexAttribute