Class UppercaseFirstComparer

java.lang.Object

net.sf.saxon.sort.UppercaseFirstComparer

All Implemented Interfaces:

Serializable, Comparator

public class UppercaseFirstComparer
extends Object
implements Comparator, 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(Comparator base)

Method Summary

Modifier and Type	Method	Description
int	compare(Object a, 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 Object

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

Methods inherited from interface Comparator

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Details

UppercaseFirstComparer

public UppercaseFirstComparer(Comparator base)

Method Details

compare

public int compare(Object a,
 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 Comparator

Returns:

invalid input: '<'0 if ainvalid input: '<'b, 0 if a=b, >0 if a>b

Throws:

ClassCastException - if the objects do not implement the CharSequence interface