Package com.janeirodigital.shapetrees.core.validation

Class ShapeTreeFactory

java.lang.Object

com.janeirodigital.shapetrees.core.validation.ShapeTreeFactory

public class ShapeTreeFactory
extends Object

Provides a factory to look up and initialize ShapeTrees. Includes a simple in-memory local cache to avoid repeated fetching of remote shape tree resources.

Method Summary

Modifier and Type	Method	Description
static void	clearCache()	Clears the local shape tree cache
static Map<URI,ShapeTree>	getLocalShapeTreeCache()
static ShapeTree	getShapeTree(URL shapeTreeUrl)	Looks up and parses the shape tree at shapeTreeUrl.

Methods inherited from class java.lang.Object

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

Method Details

getShapeTree

public static ShapeTree getShapeTree(URL shapeTreeUrl)
                              throws ShapeTreeException

Looks up and parses the shape tree at shapeTreeUrl. Shape trees linked via st:contains and st:references are parsed recursively. Maintains a cache to avoid parsing the same shape tree more than once.

Parameters:

shapeTreeUrl - URL of the shape tree to get

Returns:

Parsed and initialized shape tree

Throws:

ShapeTreeException

clearCache

public static void clearCache()

Clears the local shape tree cache

getLocalShapeTreeCache

public static Map<URI,ShapeTree> getLocalShapeTreeCache()