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 $URL$

   */
  public BoundingBox getBounds() {


    ReferencedEnvelope bounds = new ReferencedEnvelope(getType().getCoordinateReferenceSystem());
    for (Iterator itr = getValue().iterator(); itr.hasNext();) {
      Property property = (Property) itr.next();
      if (property instanceof GeometryAttribute) {
         bounds.include(((GeometryAttribute)property).getBounds());
      }
    }

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        GeometryType geometryType = 
           (GeometryType) getType().getGeometryDescriptor().getType();
        
         if (geometryType != null) {
           for (Iterator itr = getValue().iterator(); itr.hasNext();) {
             Property property =  (Property) itr.next();
             if (property instanceof GeometryAttribute) {
               if (property.getType().equals(geometryType)) {
                 defaultGeometry = (GeometryAttribute)property;   
                 break;
               }
             }
           }

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        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
                            .getValue(), att.getName());
                } else if (property instanceof Association) {

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        // If the value is nillable anyway then just default it to null:
        if (propertyDescriptor.isNillable()
            && AttributeDescriptor.class
                .isAssignableFrom(propertyDescriptor.getClass())) {
          do {
            Property nullProperty = new AttributeImpl(
                propertyDescriptor.getType().getBinding()
                    .cast(null),
                (AttributeDescriptor) propertyDescriptor, null);


            properties.add(nullProperty);

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    }


    public Collection<Property> getProperties(Name name) {
        List<Property> matches = new ArrayList<Property>();
        for ( Iterator p = getValue().iterator(); p.hasNext(); ) {
            Property property = (Property) p.next();
            if ( property.getName().equals( name ) ) {
                matches.add( property );
            }
        }
        
        return matches;

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    }


    public Collection<Property> getProperties(String name) {
        List<Property> matches = new ArrayList<Property>();
        for ( Iterator p = properties().iterator(); p.hasNext(); ) {
            Property property = (Property) p.next();
            if ( property.getName().getLocalPart().equals( name ) ) {
                matches.add( property );
            }
        }
        
        return matches;

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        return matches;
    }


    public Property getProperty(Name name) {
        for ( Iterator p = properties().iterator(); p.hasNext(); ) {
            Property property = (Property) p.next();
            if ( property.getName().equals( name ) ) {
                return property;
            }
        }
        
        return null;

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        return null;
    }


    public Property getProperty(String name) {
        for ( Iterator p = getValue().iterator(); p.hasNext(); ) {
            Property property = (Property) p.next();
            if ( property.getName().getLocalPart().equals( name ) ) {
                return property;
            }
        }
        
        return null;

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        }
    }


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

View Full Code Here

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