org.openjump.util.metaData

Class MetaInformationHandler

java.lang.Object

org.openjump.util.metaData.MetaInformationHandler

All Implemented Interfaces:

HandlerToMakeYourLifeEasier

public class MetaInformationHandler
extends java.lang.Object
implements HandlerToMakeYourLifeEasier

Tool class for easier handling of meta information on a layer basis.
- objects will be created, if neccessary
- you don't need to access the properties map of the data source (where the meta information is stored) yourself

Field Summary

Fields

Modifier and Type	Field and Description
protected PersonalLogger	logger
protected ObjectContainingMetaInformation	objectWithMetaInformation

Constructor Summary

Constructors

Constructor and Description
MetaInformationHandler(Layer layerWithMetaInformation)
MetaInformationHandler(ObjectContainingMetaInformation objectWithMetaInformation)

Method Summary

Methods

Modifier and Type	Method and Description
void	addMetaInformation(java.lang.String key, java.lang.Object value) Adds a new meta information key-value-pair to the meta information map, replaces an existing pair with the same key.
void	clear()
boolean	containsAttribute2UnitMap()
boolean	containsKey(java.lang.String key)
boolean	containsMetaInformation()
boolean	containsValue(java.lang.Object value)
static PirolFeatureCollection	createPirolFeatureCollection(FeatureCollection fc) creates a PirolFeatureCollection out of a regular FeatureCollection
static PirolFeatureCollection	createPirolFeatureCollection(FeatureCollection fc, FeatureCollectionRole role) creates a PirolFeatureCollection out of a regular FeatureCollection
Attribute2UnitMap	getAttribute2UnitMap()
MetaDataMap	getExistentMetaInformationMap() Retrieve the existent meta information map.
java.util.HashMap	getMetaData()
java.lang.Object	getMetaInformation(java.lang.String key)
MetaDataMap	getMetaInformationMap() Retrieve the existent meta information map or create one.
java.util.Set	keySet()
void	putAttribute2UnitMap(Attribute2UnitMap attribute2UnitMap)
java.lang.Object	remove(java.lang.String key)
void	setMetaData(java.util.HashMap<java.lang.Object,java.lang.Object> metaData)

Methods inherited from class java.lang.Object

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

Field Detail

objectWithMetaInformation

protected ObjectContainingMetaInformation objectWithMetaInformation

logger

protected PersonalLogger logger

Constructor Detail

MetaInformationHandler

public MetaInformationHandler(Layer layerWithMetaInformation)

Parameters:

layerWithMetaInformation - the layer you want the meta information of (has to have a DataSource!!)

MetaInformationHandler

public MetaInformationHandler(ObjectContainingMetaInformation objectWithMetaInformation)

Parameters:

objectWithMetaInformation - the object you want the meta information of

Method Detail

createPirolFeatureCollection

public static final PirolFeatureCollection createPirolFeatureCollection(FeatureCollection fc)

creates a PirolFeatureCollection out of a regular FeatureCollection

Parameters:

fc - regular FeatureCollection

Returns:

PirolFeatureCollection

createPirolFeatureCollection

public static final PirolFeatureCollection createPirolFeatureCollection(FeatureCollection fc,
                                                  FeatureCollectionRole role)

creates a PirolFeatureCollection out of a regular FeatureCollection

Parameters:

fc - regular FeatureCollection

Returns:

PirolFeatureCollection

getExistentMetaInformationMap

public MetaDataMap getExistentMetaInformationMap()

Retrieve the existent meta information map.

Returns:

the existent meta information map or null, if there is none

getMetaInformationMap

public MetaDataMap getMetaInformationMap()

Retrieve the existent meta information map or create one.

Returns:

the existent meta information map or an empty meta information map (that is now attached to the DataSource)

Throws:

RuntimeException, - if the given DataSource doesn't even have properties (getProperties())

containsMetaInformation

public boolean containsMetaInformation()

Returns:

true if the given layer already contains meta information, false if not

addMetaInformation

public void addMetaInformation(java.lang.String key,
                      java.lang.Object value)

Adds a new meta information key-value-pair to the meta information map, replaces an existing pair with the same key.

Parameters:

key -

value -

getMetaData

public java.util.HashMap getMetaData()

setMetaData

public void setMetaData(java.util.HashMap<java.lang.Object,java.lang.Object> metaData)

clear

public void clear()

containsKey

public boolean containsKey(java.lang.String key)

getMetaInformation

public java.lang.Object getMetaInformation(java.lang.String key)

containsValue

public boolean containsValue(java.lang.Object value)

keySet

public java.util.Set keySet()

remove

public java.lang.Object remove(java.lang.String key)

getAttribute2UnitMap

public Attribute2UnitMap getAttribute2UnitMap()

Returns:

the Attribute2UnitMap of the given DataSource or null, if there is none

putAttribute2UnitMap

public void putAttribute2UnitMap(Attribute2UnitMap attribute2UnitMap)

containsAttribute2UnitMap

public boolean containsAttribute2UnitMap()