Package uk.ac.rdg.resc.edal.graphics.utils

Class SimpleLayerNameMapper

java.lang.Object

uk.ac.rdg.resc.edal.graphics.utils.SimpleLayerNameMapper

All Implemented Interfaces:

LayerNameMapper

public class SimpleLayerNameMapper
extends Object
implements LayerNameMapper

An implementation of a LayerNameMapper which encodes layer names as datasetId/variableId

Author:

Guy Griffiths

Constructor Summary

Constructors

Constructor	Description
SimpleLayerNameMapper()

Method Summary

Modifier and Type	Method	Description
String	getDatasetIdFromLayerName(String layerName)	Returns a Dataset based on a given image layer name
String	getLayerName(String datasetId, String variableId)	Returns the image layer name based on the dataset and variable ID
String	getVariableIdFromLayerName(String layerName)	Returns a variable ID based on a given image layer name

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleLayerNameMapper

public SimpleLayerNameMapper()

Method Detail

getDatasetIdFromLayerName

public String getDatasetIdFromLayerName(String layerName)
                                 throws EdalLayerNotFoundException

Description copied from interface: LayerNameMapper

Returns a Dataset based on a given image layer name

Specified by:

getDatasetIdFromLayerName in interface LayerNameMapper

Parameters:

layerName - The name of the image layer

Returns:

The ID of the desired dataset

Throws:

EdalLayerNotFoundException

getVariableIdFromLayerName

public String getVariableIdFromLayerName(String layerName)
                                  throws EdalLayerNotFoundException

Description copied from interface: LayerNameMapper

Returns a variable ID based on a given image layer name

Specified by:

getVariableIdFromLayerName in interface LayerNameMapper

Parameters:

layerName - The name of the image layer

Returns:

The ID of the variable (within its Dataset)

Throws:

EdalLayerNotFoundException - if the given layer name does not exist within this catalogue

getLayerName

public String getLayerName(String datasetId,
                           String variableId)

Description copied from interface: LayerNameMapper

Returns the image layer name based on the dataset and variable ID

Specified by:

getLayerName in interface LayerNameMapper

Parameters:

datasetId - The ID of dataset containing the layer

variableId - The ID of the variable within the dataset

Returns:

The WMS layer name of this variable