org.jscience.ml.gml.dom
Class GeometryImpl

java.lang.Object
  org.jscience.ml.gml.dom.GMLConstructImpl
      org.jscience.ml.gml.dom.GeometryImpl

All Implemented Interfaces:

Geometry, GMLConstruct, GMLConstructOwner, PropertyOwner, UnknownConstructOwner, XMLDescribable

Direct Known Subclasses:

GeometryCollectionImpl

public class GeometryImpl
extends GMLConstructImpl
implements Geometry

A DOM-based implementation of the Geometry interface.

Field Summary

Fields inherited from interface org.jscience.ml.gml.infoset.Geometry

GID_ATTR, SRS_NAME_ATTR

Constructor Summary

protected

GeometryImpl(GeometryOwner owner, org.w3c.dom.Element domElement, GMLDocument document) Initializes this geometry and all GML constructs directly owned by it.

Method Summary

CoordinateTupleIterator	getCoordinateTupleIterator() A convenience method to gain access to geometry coordinates.
java.lang.String	getId() Returns the Id of this geometry, presumably specified with gid attribute.
GeometryIterator	getInnerBoundaryIterator() A convenience method to gain access to inner boundaries if available.
PropertyIterator	getPropertyIterator() Returns an iterator to all properties of this geometry.
java.lang.String	getSRSName() Returns the name of the Spatial Reference System (SRS)
UnknownConstructIterator	getUnknownConstructIterator() Returns an iterator to all unknown constructs of this geometry.
protected boolean	hasCoordinates() DOCUMENT ME!
protected boolean	hasCoords() DOCUMENT ME!
protected boolean	hasProperties() DOCUMENT ME!
protected boolean	hasUnknownConstructs() DOCUMENT ME!
static Geometry	newGeometry(GeometryOwner owner, org.w3c.dom.Element domElement, GMLDocument document) Creates a new geometry or geometry collection object.
protected void	refreshInternals() Refreshes the internal data cache from the DOM source tree.
java.lang.String	toString() Returns a one-line string representation of this GML construct.

Methods inherited from class org.jscience.ml.gml.dom.GMLConstructImpl

getAttribute, getAttribute, getAttribute, getAttributeCount, getAttributeLine, getDOMElement, getGMLConstructIterator, getGMLDocument, getOwner, getXMLDescriptor, hasFeatures, hasGeometries, setGMLDocument

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.jscience.ml.gml.infoset.GMLConstruct

getAttribute, getAttribute, getAttribute, getAttributeCount, getOwner

Methods inherited from interface org.jscience.ml.gml.infoset.XMLDescribable

getXMLDescriptor

Methods inherited from interface org.jscience.ml.gml.infoset.GMLConstructOwner

getGMLConstructIterator

Constructor Detail

GeometryImpl

protected GeometryImpl(GeometryOwner owner,
                       org.w3c.dom.Element domElement,
                       GMLDocument document)

Initializes this geometry and all GML constructs directly owned by it. Should be called from newGeometry() method only.

Parameters:

owner - The owner of this geometry.

domElement - The corresponding DOM element.

document - DOCUMENT ME!

See Also:

newGeometry(GeometryOwner,Element,GMLDocument)

Method Detail

getInnerBoundaryIterator

public GeometryIterator getInnerBoundaryIterator()

A convenience method to gain access to inner boundaries if available.

Specified by:

getInnerBoundaryIterator in interface Geometry

Returns:

Iterator to inner boundaries. It is never null.

getCoordinateTupleIterator

public CoordinateTupleIterator getCoordinateTupleIterator()

A convenience method to gain access to geometry coordinates.

Specified by:

getCoordinateTupleIterator in interface Geometry

Returns:

Iterator to coordinate tuples. It is never null.

getId

public java.lang.String getId()

Returns the Id of this geometry, presumably specified with gid attribute.

Specified by:

getId in interface Geometry

Returns:

Null if no Id attribute is specified.

getSRSName

public java.lang.String getSRSName()

Returns the name of the Spatial Reference System (SRS)

Specified by:

getSRSName in interface Geometry

Returns:

Null if the SRS is unspecified.

getUnknownConstructIterator

public UnknownConstructIterator getUnknownConstructIterator()

Returns an iterator to all unknown constructs of this geometry.

Specified by:

getUnknownConstructIterator in interface UnknownConstructOwner

Returns:

DOCUMENT ME!

getPropertyIterator

public PropertyIterator getPropertyIterator()

Returns an iterator to all properties of this geometry.

Specified by:

getPropertyIterator in interface PropertyOwner

Returns:

DOCUMENT ME!

newGeometry

public static Geometry newGeometry(GeometryOwner owner,
                                   org.w3c.dom.Element domElement,
                                   GMLDocument document)

Creates a new geometry or geometry collection object.

Parameters:

owner - DOCUMENT ME!

domElement - DOCUMENT ME!

document - DOCUMENT ME!

Returns:

DOCUMENT ME!

toString

public java.lang.String toString()

Returns a one-line string representation of this GML construct.

Overrides:

toString in class GMLConstructImpl

Returns:

DOCUMENT ME!

hasProperties

protected boolean hasProperties()

DOCUMENT ME!

Overrides:

hasProperties in class GMLConstructImpl

Returns:

DOCUMENT ME!

hasCoords

protected boolean hasCoords()

DOCUMENT ME!

Overrides:

hasCoords in class GMLConstructImpl

Returns:

DOCUMENT ME!

hasCoordinates

protected boolean hasCoordinates()

DOCUMENT ME!

Overrides:

hasCoordinates in class GMLConstructImpl

Returns:

DOCUMENT ME!

hasUnknownConstructs

protected boolean hasUnknownConstructs()

DOCUMENT ME!

Overrides:

hasUnknownConstructs in class GMLConstructImpl

Returns:

DOCUMENT ME!

refreshInternals

protected void refreshInternals()

Refreshes the internal data cache from the DOM source tree. This method should be called each time the underlying DOM structure has changed.

Overrides:

refreshInternals in class GMLConstructImpl