Examples of org.opengis.feature.Property

org.opengis.feature.Property
he value property.setValue( "foo" ); //get the value String value = (String) property.getValue();

Every property has a type. This {@link PropertyType} defines informationabout the property. This includes which java class the value of the property is an instance of, any restrictions on the value, etc... The type is available via the {@link #getType()} method.
```
 Property property = ...; //get the type PropertyType type = property.getType(); //get the class of the value Class<String> valueClass = (Class<String>)type.getBinding(); 
```
A property can often be part of another entity such as a {@link Feature} or {@link ComplexAttribute}. When this is the case, the relationship between the property and its "container" is described by a {@link PropertyDescriptor}. The descriptor of a property defines things like nilablility, multiplicity, etc... See the javadoc of {@link PropertyDescriptor} for more details. Thedescriptor is available via the {@link #getDescriptor()} method.
```
 Property property = ...; //get the descriptor PropertyDescriptor descriptor = property.getDescriptor()l //is the value allowed to be null? descriptor.isNillable(); //how many instances of this property are allowed? descriptor.getMaxOccurs(); 
```
@author Jody Garnett (Refractions Research) @author Justin Deoliveira (The Open Planning Project) @source $URL$

        }
    }


    @Override
    public Object getAttribute(Name eName) {
        Property p = getProperty(eName);
        return (p != null ? p.getValue() : null);
    }

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        return (p != null ? p.getValue() : null);
    }


    @Override
    public void setAttribute(Name eName, Object newValue) {
        Property p = getProperty(eName);
        if (p != null) {
            p.setValue(newValue);
        }
    }

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        }
    }


    @Override
    public Object getAttribute(int index) throws IndexOutOfBoundsException {
        Property p = getProperties().get(index);
        return p.getValue();
    }

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        return p.getValue();
    }


    @Override
    public void setAttribute(int index, Object newValue) throws IndexOutOfBoundsException {
        Property p = getProperties().get(index);
        if (p != null) {
            p.setValue(newValue);
        }
    }

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        return eInternal.getProperties().size();
    }


    @Override
    public Geometry getDefaultGeometry() {
        Property p = getDefaultGeometryProperty();
        return (Geometry) (p != null ? p.getValue() : null);
    }

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        return (Geometry) (p != null ? p.getValue() : null);
    }


    @Override
    public void setDefaultGeometry(Object newGeometry) {
        Property p = getDefaultGeometryProperty();
        if (p != null) {
            p.setValue(newGeometry);
        }
    }

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        public void visit(final Feature feature) {
            assertNotNull(feature);
            assertNotNull(feature.getIdentifier().getID());
            for (AttributeDescriptor descriptor : featureType.getAttributeDescriptors()) {
                final String name = descriptor.getLocalName();
                Property property = feature.getProperty(name);
                assertNotNull(name + " property was not parsed", property);
                assertNotNull("got null value for property " + name, property.getValue());
            }
        }

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        public void visit(final Feature feature) {
            assertNotNull(feature);
            assertNotNull(feature.getIdentifier().getID());
            for (AttributeDescriptor descriptor : featureType.getAttributeDescriptors()) {
                final String name = descriptor.getLocalName();
                Property property = feature.getProperty(name);
                assertNotNull(name + " property was not parsed", property);
                assertNotNull("got null value for property " + name, property.getValue());
            }
        }

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     * @return
     */
    public static Object unpack(Object value) {
        
        if (value instanceof org.opengis.feature.ComplexAttribute){
            Property simpleContent = ((org.opengis.feature.ComplexAttribute)value).getProperty(SIMPLE_CONTENT);
            if (simpleContent == null) {
                return null;
            } else {
                return simpleContent.getValue();
            }
        }
        
        if(value instanceof org.opengis.feature.Attribute){
            return ((org.opengis.feature.Attribute)value).getValue();

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        //TODO: implement and remove call to super
        return super.parse(instance, node, value);
    }
    
    public Element encode(Object object, Document document, Element value) throws Exception {
        Property property = (Property) object;
        // I don't think we can assign values to this type, so only encode client properties
        // for the mean time
        GML3EncodingUtils.encodeClientProperties(property, value);


        return value;

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