: Class StringComparer

com.icl.saxon.sort
Class StringComparer


java.lang.Object

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  +--com.icl.saxon.sort.Comparer

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        +--com.icl.saxon.sort.TextComparer

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              +--com.icl.saxon.sort.StringComparer


public class StringComparer
extends TextComparer

A Comparer used for comparing keys. This comparer uses the binary Unicode value of the characters.


Fields inherited from class com.icl.saxon.sort.TextComparer
DEFAULT_CASE_ORDER, LOWERCASE_FIRST, UPPERCASE_FIRST
 
Constructor Summary
StringComparer()
           
 
Method Summary
 int compare(java.lang.Object a, java.lang.Object b)
          Compare two string objects using default collating
 Comparer setCaseOrder(int caseOrder)
          Set case order
 
Methods inherited from class com.icl.saxon.sort.Comparer
setDataType, setOrder
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

StringComparer


public StringComparer()
Method Detail

compare


public int compare(java.lang.Object a,
                   java.lang.Object b)
Compare two string objects using default collating
Overrides:
compare in class Comparer
Returns:
<0 if a0 if a>b
Throws:
java.lang.ClassCastException - if the objects are of the wrong type for this Comparer

setCaseOrder


public Comparer setCaseOrder(int caseOrder)
Set case order
Overrides:
setCaseOrder in class TextComparer
Parameters:
caseOrder - one of DEFAULT_CASE_ORDER, LOWERCASE_FIRST, or UPPERCASE_FIRST. Indicates whether upper case letters precede or follow lower case letters in the ordering
Returns:
either this or a different Comparer that will be used to perform the comparisons. This allows the TextComparer to delegate the comparison to a Comparer dedicated to a specific case order.