org.deegree.feature.persistence.sql.blob
Class BlobCodec

java.lang.Object
  org.deegree.feature.persistence.sql.blob.BlobCodec

public class BlobCodec
extends Object

Provides methods for storing / retrieving GMLObject instances in binary form, e.g. in BLOBs. TODO improve namespace handling (should not be done for every single blob) TODO get FAST_INFOSET to work TODO FAST_INFOSET with external vocabulary

Version:

$Revision: 31641 $, $Date: 2011-08-24 21:24:55 +0200 (Wed, 24 Aug 2011) $

Author:

Markus Schneider, last edited by: $Author: mschneider $

Nested Class Summary

static class

BlobCodec.Compression

Constructor Summary

BlobCodec(GMLVersion gmlVersion, BlobCodec.Compression compression)
Creates a new BlobCodec instance.

Method Summary

GMLObject	decode(InputStream is, Map<String,String> nsContext, AppSchema schema, ICRS crs, GMLReferenceResolver idResolver) Decodes the given GMLObject from the specified input stream.
void	encode(GMLObject object, Map<String,String> nsContext, OutputStream os, ICRS crs) Encodes the given GMLObject to the specified output stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

BlobCodec

public BlobCodec(GMLVersion gmlVersion,
                 BlobCodec.Compression compression)

Creates a new BlobCodec instance.

Parameters:

gmlVersion - gml version to use, must not be null

compression - compression method to use, must not be null

Method Detail

encode

public void encode(GMLObject object,
                   Map<String,String> nsContext,
                   OutputStream os,
                   ICRS crs)
            throws FeatureStoreException,
                   XMLStreamException,
                   FactoryConfigurationError,
                   UnknownCRSException,
                   TransformationException,
                   IOException

Encodes the given GMLObject to the specified output stream.

Parameters:

object - object to be encoded, must not be null

nsContext -

os - output stream to write to, must not be null

crs -

Throws:

FeatureStoreException

XMLStreamException

FactoryConfigurationError

UnknownCRSException

TransformationException

IOException

decode

public GMLObject decode(InputStream is,
                        Map<String,String> nsContext,
                        AppSchema schema,
                        ICRS crs,
                        GMLReferenceResolver idResolver)
                 throws XMLParsingException,
                        XMLStreamException,
                        UnknownCRSException,
                        FactoryConfigurationError,
                        IOException

Decodes the given GMLObject from the specified input stream.

Parameters:

is - input stream to read from, must not be null

nsContext -

schema - application schema, must not be null

crs -

idResolver -

Returns:

Throws:

XMLParsingException

XMLStreamException

UnknownCRSException

FactoryConfigurationError

IOException