Class RefChecker

java.lang.Object
uk.ac.starlink.ttools.votlint.RefChecker
All Implemented Interfaces:
AttributeChecker
Direct Known Subclasses:
FieldRefChecker

public class RefChecker extends Object implements AttributeChecker
Attribute checker for checking XML IDREF type attributes. Facilities are provided for checking that the reference is to elements of a certain sort (for instance, there's no sense in getting a GROUP to reference an INFO).
Since:
7 Apr 2005
Author:
Mark Taylor (Starlink)
  • Constructor Details

    • RefChecker

      public RefChecker(String[] legalReferents)
      Constructs a RefChecker which can only sensibly reference a given list of element types.
      Parameters:
      legalReferents - list of element local names which this ref can sensibly point to
    • RefChecker

      public RefChecker(String legalReferent)
      Constructs a RefChecker which can only sensibly reference a single given element type.
      Parameters:
      legalReferent - sole element local name which this ref can sensibly point to
  • Method Details

    • check

      public void check(String id, ElementHandler handler)
      Description copied from interface: AttributeChecker
      Performs a syntactic and/or semantic check on an attribute value for a given element. Anything worthy of comment should be logged through handler's context.
      Specified by:
      check in interface AttributeChecker
      Parameters:
      id - the value of the attribute to check
      handler - the element on which attValue appears
    • checkLink

      public void checkLink(VotLintContext context, String id, ElementRef from, ElementRef to)
      Checks that an IDREF->ID arc is sensible.
      Parameters:
      context - lint context
      id - ID value
      from - element with IDREF value of id
      to - element with ID value of id