Class UppercaseFirstComparer

  • All Implemented Interfaces:
    java.io.Serializable, java.util.Comparator

    public class UppercaseFirstComparer
    extends java.lang.Object
    implements java.util.Comparator, java.io.Serializable
    A Comparer used for comparing strings, with upper case collated before lower case if the strings are otherwise equal. This is implemented as a wrapper around a collator that compares the strings ignoring case.
    Author:
    Michael H. Kay
    See Also:
    Serialized Form
    • Constructor Summary

      Constructors 
      Constructor Description
      UppercaseFirstComparer​(java.util.Comparator base)  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int compare​(java.lang.Object a, java.lang.Object b)
      Compare two string objects: case is irrelevant, unless the strings are equal ignoring case, in which case uppercase comes first.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
      • Methods inherited from interface java.util.Comparator

        equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong
    • Constructor Detail

      • UppercaseFirstComparer

        public UppercaseFirstComparer​(java.util.Comparator base)
    • Method Detail

      • compare

        public int compare​(java.lang.Object a,
                           java.lang.Object b)
        Compare two string objects: case is irrelevant, unless the strings are equal ignoring case, in which case uppercase comes first.
        Specified by:
        compare in interface java.util.Comparator
        Returns:
        <0 if a0 if a>b
        Throws:
        java.lang.ClassCastException - if the objects do not implement the CharSequence interface