Package se.digg.dgc.valueset.v1

Class FilebasedValueSetSupplier

java.lang.Object

se.digg.dgc.valueset.v1.AbstractValueSetSupplier<File>

se.digg.dgc.valueset.v1.FilebasedValueSetSupplier

All Implemented Interfaces:

Supplier<ValueSet>

public class FilebasedValueSetSupplier
extends AbstractValueSetSupplier<File>

A file based ValueSet Supplier that can be used for the ReloadableValueSet class.

Author:

Martin Lindström (martin@idsec.se), Henrik Bengtsson (extern.henrik.bengtsson@digg.se), Henric Norlander (extern.henric.norlander@digg.se)

Constructor Summary

Constructors

Constructor	Description
FilebasedValueSetSupplier(File resource, Duration refreshRate)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected String	getResourceString(File resource)	Returns a string representation of the resource being handled.
protected ValueSet	getValueSet(File resource)	Reads the value set from the resource.

Methods inherited from class se.digg.dgc.valueset.v1.AbstractValueSetSupplier

get

Methods inherited from class java.lang.Object

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

Constructor Detail

FilebasedValueSetSupplier

public FilebasedValueSetSupplier(File resource,
                                 Duration refreshRate)
                          throws IOException

Constructor.

Parameters:

resource - the path to the file containing the JSON representation of the value set

refreshRate - the refresh rate (how often should the file be re-read?)

Throws:

IOException - if the file can not be read or if the JSON can not be successfully parsed

Method Detail

getValueSet

protected ValueSet getValueSet(File resource)
                        throws IOException

Reads the value set from the resource.

Specified by:

getValueSet in class AbstractValueSetSupplier<File>

Returns:

the value set

Throws:

IOException - for read errors

getResourceString

protected String getResourceString(File resource)

Returns a string representation of the resource being handled.

Specified by:

getResourceString in class AbstractValueSetSupplier<File>

Returns:

the resource string