org.geolatte.geom.codec

Class PostgisWkbDecoder

java.lang.Object

org.geolatte.geom.codec.AbstractWkbDecoder

org.geolatte.geom.codec.PostgisWkbDecoder

All Implemented Interfaces:

WkbDecoder

Direct Known Subclasses:

HANAWkbDecoder

class PostgisWkbDecoder
extends AbstractWkbDecoder

A Wkb Decoder for PostGIS EWKB

This WKBDecoder supports the EWKB dialect of PostGIS versions 1.0 tot 1.5+.

This implementation is not thread-safe.

Constructor Summary

Constructors

Constructor and Description
PostgisWkbDecoder()

Method Summary

Modifier and Type	Method and Description
protected boolean	hasSrid(int typeCode)
protected void	prepare(ByteBuffer byteBuffer) Perform any preparatory steps on the bytebuffer before starting the decoding.
protected <P extends Position> CoordinateReferenceSystem<P>	readCrs(ByteBuffer byteBuffer, int typeCode, CoordinateReferenceSystem<P> crs) Read and set the SRID (if it is present)
private void	validateCrs(CoordinateReferenceSystem<?> crs, boolean hasM, boolean hasZ)

Methods inherited from class org.geolatte.geom.codec.AbstractWkbDecoder

decode, decode, readTypeCode

Methods inherited from class java.lang.Object

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

Constructor Detail

PostgisWkbDecoder

PostgisWkbDecoder()

Method Detail

prepare

protected void prepare(ByteBuffer byteBuffer)

Description copied from class: AbstractWkbDecoder

Perform any preparatory steps on the bytebuffer before starting the decoding.

Specified by:

prepare in class AbstractWkbDecoder

readCrs

protected <P extends Position> CoordinateReferenceSystem<P> readCrs(ByteBuffer byteBuffer,
                                                                    int typeCode,
                                                                    CoordinateReferenceSystem<P> crs)

Description copied from class: AbstractWkbDecoder

Read and set the SRID (if it is present)

Specified by:

readCrs in class AbstractWkbDecoder

validateCrs

private void validateCrs(CoordinateReferenceSystem<?> crs,
                         boolean hasM,
                         boolean hasZ)

hasSrid

protected boolean hasSrid(int typeCode)

Specified by:

hasSrid in class AbstractWkbDecoder