Package org.openjump.util.metaData

Class MetaInformationHandler

  • All Implemented Interfaces:
    HandlerToMakeYourLifeEasier
    public class MetaInformationHandler
extends 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
    Version:
    $Rev: 1559 $
    Author:
    Ole Rahn

    FH Osnabrück - University of Applied Sciences Osnabrück,
    Project: PIROL (2005),
    Subproject: Daten- und Wissensmanagement

    • 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 PirolFeatureCollection createPirolFeatureCollection​(FeatureCollection fc)
        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)

      • containsMetaInformation

        public boolean containsMetaInformation()
        Returns:
        true if the given layer already contains meta information, false if not

      • addMetaInformation

        public void addMetaInformation​(String key,
                               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 - key of the metadata to add
        value - value of the metadata to add

      • getMetaData

        public HashMap getMetaData()

      • clear

        public void clear()

      • containsKey

        public boolean containsKey​(String key)

      • getMetaInformation

        public Object getMetaInformation​(String key)

      • containsValue

        public boolean containsValue​(Object value)

      • keySet

        public Set keySet()

      • 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()