org.geotools.filter.visitor
Class FixBBOXFilterVisitor

Object
  DuplicatingFilterVisitor
      FixBBOXFilterVisitor

All Implemented Interfaces:

ExpressionVisitor, FilterVisitor

public class FixBBOXFilterVisitor
extends DuplicatingFilterVisitor

Visit the BBOX filter elements and make sure they are valid.

Any BBOX filter using a literal geometry will be changed to be a literal envelope based on the geometry internal envelope. If a max bounding box has been provided it will be used to clip this request envelope.

Author:

Jody

Field Summary

Fields inherited from class DuplicatingFilterVisitor

ff

Constructor Summary

FixBBOXFilterVisitor(ReferencedEnvelope fsd)
Visitor used to "clean up" any BBOX expressions.

Method Summary

Object

visit(BBOX filter, Object extraData)

Methods inherited from class DuplicatingFilterVisitor

getFactory, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitNullFilter

Methods inherited from class Object

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

Constructor Detail

FixBBOXFilterVisitor

public FixBBOXFilterVisitor(ReferencedEnvelope fsd)

Visitor used to "clean up" any BBOX expressions.

Parameters:

max - Max bounding box used to clip any BBox expressions to ensure they are vaild

Method Detail

visit

public Object visit(BBOX filter,
                    Object extraData)

Specified by:

visit in interface FilterVisitor

Overrides:

visit in class DuplicatingFilterVisitor