Class TextComparer

java.lang.Object
net.sf.saxon.sort.TextComparer
All Implemented Interfaces:
Serializable, Comparator

public class TextComparer extends Object implements Comparator, Serializable
A Comparer used for comparing sort keys when data-type="text". The items to be compared are converted to strings, and the strings are then compared using an underlying collator
Author:
Michael H. Kay
See Also:
  • Constructor Details

    • TextComparer

      public TextComparer(Comparator collator)
  • Method Details

    • compare

      public int compare(Object a, Object b) throws ClassCastException
      Compare two Items by converting them to strings and comparing the string values.
      Specified by:
      compare in interface Comparator
      Parameters:
      a - the first Item to be compared.
      b - the second Item to be compared.
      Returns:
      invalid input: '<'0 if ainvalid input: '<'b, 0 if a=b, >0 if a>b
      Throws:
      ClassCastException - if the objects are not Items, or are items that cannot be convered to strings (e.g. QNames)