org.deegree_impl.model.feature
Class GMLFeatureAdapter

java.lang.Object
  org.deegree_impl.model.feature.GMLFeatureAdapter

public class GMLFeatureAdapter

extends java.lang.Object

Version:

$Revision: 1.7 $

Author:

Andreas Poth

Field Summary

private static java.util.HashMap

crsMap

Constructor Summary

GMLFeatureAdapter()

Method Summary

private static GM_Envelope	createBoundedBy(org.w3c.dom.Element element) returns the boundingbox of the feature
private static Feature	createFeature(org.w3c.dom.Element element) creates an instance of a deegree feature from a contrete gml:_Feature node
private static FeatureType	createFeatureType(org.w3c.dom.Element element) returns an instance of a FeatureType describig the passed feature (element)
private static GM_Object	createGeometry(org.w3c.dom.Element element)
private static GM_Curve	createLineString(org.w3c.dom.Element element) returns an instance of a curve created from the passed
private static GM_MultiCurve	createMultiLineString(org.w3c.dom.Element element) returns an instance of a multi point created from the passed
private static GM_MultiPoint	createMultiPoint(org.w3c.dom.Element element) returns an instance of a multi point created from the passed
private static GM_MultiSurface	createMultiSurface(org.w3c.dom.Element element) returns an instance of a multi point created from the passed
private static GM_Point	createPoint(org.w3c.dom.Element element) returns an instance of a point created from the passed
private static GM_Surface	createPolygon(org.w3c.dom.Element element) returns an instance of a surface created from the passed
private static GM_Position	createPositionFromCoord(org.w3c.dom.Element element) returns an instance of GM_Position created from the passed coord
static GM_Position[]	createPositionFromCoordinates(org.w3c.dom.Element element) returns an array of GM_Positions created from the passed coordinates
static void	export(FeatureCollection fc, java.util.Map namespaces, java.util.Map prefixes, java.util.Map schemaRef, java.io.OutputStream os) exports an instance of a FeatureCollection to the passed OutputStream formatted as GML.
static void	export(FeatureCollection fc, java.util.Map namespaces, java.util.Map prefixes, java.util.Map schemaRef, java.io.OutputStream os, java.lang.String charsetName) exports an instance of a FeatureCollection to the passed OutputStream formatted as GML.
static void	export(FeatureCollection fc, java.io.OutputStream os) exports an instance of a FeatureCollection to the passed OutputStream formatted as GML.
static void	export(Feature feature, java.util.Map prefixes, java.io.PrintWriter pw) exports a Feature to the passed PrintWriter
private static CS_CoordinateSystem	getCRS(java.lang.String name) returns an instance of CS_CoordinateSystem corrsponding to the passed crs name
private static boolean	isFeatureCollection(org.w3c.dom.Element element) returns true if the passed element encapsulates a feature collection
private static boolean	isGeometryProperty(org.w3c.dom.Element element) returns true if the submitted element contains just excatly one childelement that have to be a geometry
static void	main(java.lang.String[] args)
private static void	openRootElement(Feature feature, java.util.Map namespaces, java.util.Map prefixes, java.util.Map schemaRef, java.io.PrintWriter pw) Opens a PrintWriter from the passed OutputStream and writes the XML header and the opening root element of the GML document to it
private static void	printFeatureCollection(FeatureCollection fc, java.util.Map prefixes, java.io.PrintWriter pw) prints the passed FeatureCollection to the also passed PrintWriter formatted as GMLs
private static void	printGeometry(GM_Object geo, java.io.PrintWriter pw) prints the passed geometry to the also passed PrintWriter formatted as GML
static FeatureCollection	wrap(org.w3c.dom.Element root)
static FeatureCollection	wrap(java.io.Reader reader)

Methods inherited from class java.lang.Object

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

Field Detail

crsMap

private static java.util.HashMap crsMap

Constructor Detail

GMLFeatureAdapter

public GMLFeatureAdapter()

Method Detail

wrap

public static FeatureCollection wrap(java.io.Reader reader)
                              throws java.io.IOException,
                                     XMLParsingException,
                                     GM_Exception

Parameters:

reader -

Returns:

Throws:

java.io.IOException

XMLParsingException

GM_Exception

wrap

public static FeatureCollection wrap(org.w3c.dom.Element root)
                              throws XMLParsingException,
                                     GM_Exception

Parameters:

root - root element of a GML document

Returns:

instance of a FeatureCollection

Throws:

XMLParsingException

GM_Exception

export

public static void export(FeatureCollection fc,
                          java.io.OutputStream os)
                   throws java.io.IOException,
                          FeatureException

exports an instance of a FeatureCollection to the passed OutputStream formatted as GML. Uses UTF-8 as character set for the created XML/GML

Parameters:

fc - feature collection to export

os - output stream to write to

Throws:

java.io.IOException

FeatureException

export

public static void export(FeatureCollection fc,
                          java.util.Map namespaces,
                          java.util.Map prefixes,
                          java.util.Map schemaRef,
                          java.io.OutputStream os)
                   throws java.io.IOException,
                          FeatureException

exports an instance of a FeatureCollection to the passed OutputStream formatted as GML. The passed Maps may be empty but they are not allowed to be null. Uses UTF-8 as character set for the created XML/GML

Parameters:

fc - feature collection to export

namespaces - namespaces of the different feature types contained in the feature collection.

prefixes - prefixes of the elements to be used. gml: will be used for GML-namespace; xlink: will be used for XLink ns.

schemaRef - references to the application schemas the features of the collection beloangs to. The feature type names will be used as keys

os - output stream to write to

Throws:

java.io.IOException

FeatureException

export

public static void export(FeatureCollection fc,
                          java.util.Map namespaces,
                          java.util.Map prefixes,
                          java.util.Map schemaRef,
                          java.io.OutputStream os,
                          java.lang.String charsetName)
                   throws java.io.IOException,
                          FeatureException

exports an instance of a FeatureCollection to the passed OutputStream formatted as GML. The passed Maps may be empty but they are not allowed to be null.

Parameters:

fc - feature collection to export

namespaces - namespaces of the different feature types contained in the feature collection.

prefixes - prefixes of the elements to be used. gml: will be used for GML-namespace; xlink: will be used for XLink ns.

schemaRef - references to the application schemas the features of the collection beloangs to. The feature type names will be used as keys

os - output stream to write to

charsetName - The name of the used charset/encoding

Throws:

java.io.IOException

FeatureException

openRootElement

private static void openRootElement(Feature feature,
                                    java.util.Map namespaces,
                                    java.util.Map prefixes,
                                    java.util.Map schemaRef,
                                    java.io.PrintWriter pw)
                             throws java.io.IOException,
                                    FeatureException

Opens a PrintWriter from the passed OutputStream and writes the XML header and the opening root element of the GML document to it

Parameters:

feature - feature to export

namespaces - namespaces of the different feature types contained in the feature collection.

prefixes - prefixes of the elements to be used. gml: will be used for GML-namespace; xlink: will be used for XLink ns.

schemaRef - references to the application schemas the features of the collection beloangs to. The feature type names will be used as keys

pw - PrintWriter to write to

Throws:

java.io.IOException

FeatureException

export

public static void export(Feature feature,
                          java.util.Map prefixes,
                          java.io.PrintWriter pw)
                   throws java.io.IOException,
                          FeatureException

exports a Feature to the passed PrintWriter

Parameters:

feature - feature to export

prefixes - prefixes of the elements to be used. gml: will be used for GML-namespace; xlink: will be used for XLink ns.

pw - PrintWriter to write to

Throws:

java.io.IOException

FeatureException

printFeatureCollection

private static void printFeatureCollection(FeatureCollection fc,
                                           java.util.Map prefixes,
                                           java.io.PrintWriter pw)
                                    throws java.io.IOException,
                                           FeatureException

prints the passed FeatureCollection to the also passed PrintWriter formatted as GMLs

Parameters:

fc - feature collection to print/export

prefixes - Map containing prefixes for the XML Elements to create

pw - target of the printing/export

Throws:

java.io.IOException

FeatureException

printGeometry

private static void printGeometry(GM_Object geo,
                                  java.io.PrintWriter pw)
                           throws FeatureException

prints the passed geometry to the also passed PrintWriter formatted as GML

Parameters:

geo - geometry to print/extport

pw - target of the printing/export

Throws:

FeatureException

createFeature

private static Feature createFeature(org.w3c.dom.Element element)
                              throws XMLParsingException,
                                     GM_Exception

creates an instance of a deegree feature from a contrete gml:_Feature node

Parameters:

element -

Returns:

instance of Feature

Throws:

XMLParsingException

GM_Exception

createFeatureType

private static FeatureType createFeatureType(org.w3c.dom.Element element)
                                      throws XMLParsingException

returns an instance of a FeatureType describig the passed feature (element)

Parameters:

element -

Returns:

instance of FeatureType

Throws:

XMLParsingException

isFeatureCollection

private static boolean isFeatureCollection(org.w3c.dom.Element element)

returns true if the passed element encapsulates a feature collection

isGeometryProperty

private static boolean isGeometryProperty(org.w3c.dom.Element element)

returns true if the submitted element contains just excatly one childelement that have to be a geometry

createBoundedBy

private static GM_Envelope createBoundedBy(org.w3c.dom.Element element)
                                    throws XMLParsingException

returns the boundingbox of the feature

Parameters:

element -

Returns:

instance of GM_Envelope

Throws:

XMLParsingException

createGeometry

private static GM_Object createGeometry(org.w3c.dom.Element element)
                                 throws XMLParsingException,
                                        GM_Exception

Parameters:

element -

Returns:

Throws:

XMLParsingException

GM_Exception

createPositionFromCoord

private static GM_Position createPositionFromCoord(org.w3c.dom.Element element)
                                            throws XMLParsingException

returns an instance of GM_Position created from the passed coord

Parameters:

element -

Returns:

instance of GM_Position

Throws:

XMLParsingException

createPositionFromCoordinates

public static GM_Position[] createPositionFromCoordinates(org.w3c.dom.Element element)
                                                   throws XMLParsingException

returns an array of GM_Positions created from the passed coordinates

Parameters:

element -

Returns:

instance of GM_Position[]

Throws:

XMLParsingException

getCRS

private static CS_CoordinateSystem getCRS(java.lang.String name)

returns an instance of CS_CoordinateSystem corrsponding to the passed crs name

Parameters:

name - name of the crs

Returns:

createPoint

private static GM_Point createPoint(org.w3c.dom.Element element)
                             throws XMLParsingException

returns an instance of a point created from the passed

Parameters:

element -

Returns:

instance of GM_Point

Throws:

XMLParsingException

createLineString

private static GM_Curve createLineString(org.w3c.dom.Element element)
                                  throws XMLParsingException,
                                         GM_Exception

returns an instance of a curve created from the passed

Parameters:

element -

Returns:

instance of GM_Curve

Throws:

XMLParsingException

GM_Exception

createPolygon

private static GM_Surface createPolygon(org.w3c.dom.Element element)
                                 throws XMLParsingException,
                                        GM_Exception

returns an instance of a surface created from the passed

Parameters:

element -

Returns:

instance of GM_Surface

Throws:

XMLParsingException

GM_Exception

createMultiPoint

private static GM_MultiPoint createMultiPoint(org.w3c.dom.Element element)
                                       throws XMLParsingException,
                                              GM_Exception

returns an instance of a multi point created from the passed

Parameters:

element -

Returns:

instance of GM_MultiPoint

Throws:

XMLParsingException

GM_Exception

createMultiLineString

private static GM_MultiCurve createMultiLineString(org.w3c.dom.Element element)
                                            throws XMLParsingException,
                                                   GM_Exception

returns an instance of a multi point created from the passed

Parameters:

element -

Returns:

instance of GM_MultiCurve

Throws:

XMLParsingException

GM_Exception

createMultiSurface

private static GM_MultiSurface createMultiSurface(org.w3c.dom.Element element)
                                           throws XMLParsingException,
                                                  GM_Exception

returns an instance of a multi point created from the passed

Parameters:

element -

Returns:

instance of GM_MultiCurve

Throws:

XMLParsingException

GM_Exception

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Throws:

java.lang.Exception