Examples of org.opengis.filter.FilterFactory.property()

org.opengis.filter.FilterFactory.property()
Retrieves the value of a {@linkplain org.opengis.feature.Feature feature}'s property.

        FeatureIterator it = features.features();
        for (; it.hasNext();) {
            feature = (Feature) it.next();
            count++;
            {
                PropertyName gmlName = ffac.property("gml:name");
                PropertyName phenomName = ffac.property(phenomNamePath);


                Object nameVal = gmlName.evaluate(feature, String.class);
                assertNotNull("gml:name evaluated to null", nameVal);

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        for (; it.hasNext();) {
            feature = (Feature) it.next();
            count++;
            {
                PropertyName gmlName = ffac.property("gml:name");
                PropertyName phenomName = ffac.property(phenomNamePath);


                Object nameVal = gmlName.evaluate(feature, String.class);
                assertNotNull("gml:name evaluated to null", nameVal);


                Object phenomNameVal = phenomName.evaluate(feature, String.class);

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                Object phenomNameVal = phenomName.evaluate(feature, String.class);
                assertNotNull(phenomNamePath + " evaluated to null", phenomNameVal);
            }
            {
                PropertyName sampledFeatureName = ffac.property("sa:sampledFeature");
                Attribute sampledFeatureVal = (Attribute) sampledFeatureName.evaluate(feature);
                assertNotNull("sa:sampledFeature evaluated to null", sampledFeatureVal);
                assertEquals(0, ((Collection) sampledFeatureVal.getValue()).size());
                Map attributes = (Map) sampledFeatureVal.getUserData().get(Attributes.class);
                assertNotNull(attributes);

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                assertNotNull(attributes.get(xlinkHref));
            }


            {
                final String elementPath = "aw:relatedObservation/aw:PhenomenonTimeSeries/om:result/cv:CompactDiscreteTimeCoverage";
                PropertyName elementName = ffac.property(elementPath);
                Object timeCovVal = elementName.evaluate(feature);
                assertNotNull(elementPath, timeCovVal);
                assertTrue(timeCovVal instanceof Feature);
                final List elements = (List) ((Feature) timeCovVal).getValue();
                assertEquals(1, elements.size());

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        // empty nssupport as the test properties have no namespace
        NamespaceSupport namespaces = new NamespaceSupport();
        attMapping = new AttributeMapping(null, source, XPath.steps(targetFeature, target, namespaces));
        mappings.add(attMapping);


        source = ff.property("ph");
        target = "sample/measurement[1]/value";
        attMapping = new AttributeMapping(null, source, XPath.steps(targetFeature, target, namespaces));
        mappings.add(attMapping);


        source = ff.literal("temp");

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        source = ff.literal("temp");
        target = "sample/measurement[2]/parameter";
        attMapping = new AttributeMapping(null, source, XPath.steps(targetFeature, target, namespaces));
        mappings.add(attMapping);


        source = ff.property("temp");
        target = "sample/measurement[2]/value";
        attMapping = new AttributeMapping(null, source, XPath.steps(targetFeature, target, namespaces));
        mappings.add(attMapping);


        source = ff.literal("turbidity");

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        source = ff.literal("turbidity");
        target = "sample/measurement[3]/parameter";
        attMapping = new AttributeMapping(null, source, XPath.steps(targetFeature, target, namespaces));
        mappings.add(attMapping);


        source = ff.property("turbidity");
        target = "sample/measurement[3]/value";
        attMapping = new AttributeMapping(null, source, XPath.steps(targetFeature, target, namespaces));
        mappings.add(attMapping);


        return mappings;

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        Expression source;
        String target;


        FilterFactory ff = CommonFactoryFinder.getFilterFactory(null);


        id = ff.property("station_no");
        source = Expression.NIL;
        target = "wq_plus";
        NamespaceSupport namespaces = new NamespaceSupport();
        mappings.add(new AttributeMapping(id, source, XPath
                .steps(targetFeature, target, namespaces)));

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        target = "wq_plus";
        NamespaceSupport namespaces = new NamespaceSupport();
        mappings.add(new AttributeMapping(id, source, XPath
                .steps(targetFeature, target, namespaces)));


        source = ff.property("sitename");
        target = "wq_plus/sitename";
        mappings.add(new AttributeMapping(null, source, XPath.steps(targetFeature, target,
                namespaces)));


        source = ff.property("anzlic_no");

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        source = ff.property("sitename");
        target = "wq_plus/sitename";
        mappings.add(new AttributeMapping(null, source, XPath.steps(targetFeature, target,
                namespaces)));


        source = ff.property("anzlic_no");
        target = "wq_plus/anzlic_no";
        mappings.add(new AttributeMapping(null, source, XPath.steps(targetFeature, target,
                namespaces)));


        source = ff.property("project_no");

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