* Binding object for the type

* http://www.opengis.net/wcs:LonLatEnvelopeBaseType.

*

* <p>

*

* <pre>

*   <code>

*  &lt;complexType name=&quot;LonLatEnvelopeBaseType&quot;&gt;

*      &lt;annotation&gt;

*          &lt;documentation&gt;For WCS use, LonLatEnvelopeBaseType restricts gml:Envelope to the WGS84 geographic CRS with Longitude preceding Latitude and both using decimal degrees only. If included, height values are third and use metre units. &lt;/documentation&gt;

*          &lt;documentation&gt;Envelope defines an extent using a pair of positions defining opposite corners in arbitrary dimensions. &lt;/documentation&gt;

*      &lt;/annotation&gt;

*      &lt;complexContent&gt;

*          &lt;restriction base=&quot;gml:EnvelopeType&quot;&gt;

*              &lt;sequence&gt;

*                  &lt;element maxOccurs=&quot;2&quot; minOccurs=&quot;2&quot; ref=&quot;gml:pos&quot;/&gt;

*              &lt;/sequence&gt;

*              &lt;attribute fixed=&quot;urn:ogc:def:crs:OGC:1.3:CRS84&quot;

*                  name=&quot;srsName&quot; type=&quot;anyURI&quot; use=&quot;optional&quot;/&gt;

*          &lt;/restriction&gt;

*      &lt;/complexContent&gt;

*  &lt;/complexType&gt;

*  

* </code>

*   </pre>

*

* </p>

*

* @generated

*

*

* @source $URL$

*/

    /**

     * @generated

     */

    public QName getTarget() {

        return WCS.LonLatEnvelopeBaseType;

    }

    /**

     * <!-- begin-user-doc --> <!-- end-user-doc -->

     *

     * @generated modifiable

     */

    public Class<GeneralEnvelope> getType() {

        return GeneralEnvelope.class;

    }

    /**

     * <!-- begin-user-doc -->

     * ATTENTION: I'm assuming a LatLon envelope here.

     * <!-- end-user-doc -->

     *

     * @generated modifiable

     */

    public Object parse(ElementInstance instance, Node node, Object value)

            throws Exception {

        List positions = node.getChildren("pos");

        if (!positions.isEmpty() && (positions.size() == 2)) {

            Node n1 = (Node) positions.get(0);

            Node n2 = (Node) positions.get(1);

            GeneralDirectPosition p1 = (GeneralDirectPosition) n1.getValue();

            GeneralDirectPosition p2 = (GeneralDirectPosition) n2.getValue();

            GeneralEnvelope envelope = new GeneralEnvelope(p1, p2);

           

            if (p1.getDimension() == 2 && p1.getDimension() == 2) {

                envelope.setCoordinateReferenceSystem(DefaultGeographicCRS.WGS84);

                return envelope;

            } else if (p1.getDimension() > 2 && p2.getDimension() > 2) {

                envelope.setCoordinateReferenceSystem(DefaultGeographicCRS.WGS84_3D);

                return envelope;

            }

        }

        if (!positions.isEmpty()) {

            throw new RuntimeException("Envelope can have only two coordinates");

        }

        throw new RuntimeException("Could not find coordinates for envelope");

    }

    /*

     * (non-Javadoc)

     *

     * @see org.geotools.xml.AbstractComplexBinding#getExecutionMode()

     */

    @Override

    public int getExecutionMode() {

        return OVERRIDE;

    }

    /*

     * <!-- begin-user-doc --> ATTENTION: I'm assuming a LatLon envelope here.

     * <!-- end-user-doc -->

     */

    @Override

    public Element encode(Object object, Document document, Element value)

            throws Exception {

        GeneralEnvelope envelope = (GeneralEnvelope) object;

        if (envelope == null) {

            value.appendChild(document.createElementNS(GML.NAMESPACE, GML.Null.getLocalPart()));

        }

        return null;

    }

    public Object getProperty(Object object, QName name) {

        GeneralEnvelope envelope = (GeneralEnvelope) object;

        if (envelope == null) {

            return null;

        }

        if (name.getLocalPart().equals("srsName")) {

            return "WGS84(DD)";

        }

        if (name.getLocalPart().equals("pos")) {

            CoordinateReferenceSystem crs = envelope.getCoordinateReferenceSystem();

            GeographicCRS spatialCRS = null;

            if (crs instanceof CompoundCRS) {

                List CRSs = ((DefaultCompoundCRS) crs).getCoordinateReferenceSystems();

                for (Object item : CRSs) {

                    if (item instanceof GeographicCRS) {

                        spatialCRS = (GeographicCRS) item;

                    }

                }

            } else {

                spatialCRS = (GeographicCRS) envelope.getCoordinateReferenceSystem();

            }

            if (spatialCRS != null) {

                List<DirectPosition> envelopePositions = new LinkedList<DirectPosition>();

               

                GeneralDirectPosition lowerCorner = new GeneralDirectPosition(envelope.getCoordinateReferenceSystem());

                GeneralDirectPosition upperCorner = new GeneralDirectPosition(envelope.getCoordinateReferenceSystem());

                for (int i = 0; i < spatialCRS.getCoordinateSystem().getDimension(); i++) {

                    lowerCorner.setOrdinate(i, envelope.getLowerCorner().getOrdinate(i));

                    upperCorner.setOrdinate(i, envelope.getUpperCorner().getOrdinate(i));

                }

                envelopePositions.add(lowerCorner);

                envelopePositions.add(upperCorner);

                return envelopePositions;

            }

        }

        return null;

    }

}