Package com.icl.saxon.sort
Class StringComparer
java.lang.Object
com.icl.saxon.sort.Comparer
com.icl.saxon.sort.TextComparer
com.icl.saxon.sort.StringComparer
A Comparer used for comparing keys. This comparer uses the binary Unicode value of the
characters.
- Author:
- Michael H. Kay
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Field Summary
Fields inherited from class com.icl.saxon.sort.TextComparer
DEFAULT_CASE_ORDER, LOWERCASE_FIRST, UPPERCASE_FIRST
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionint
Compare two string objects using default collatingsetCaseOrder
(int caseOrder) Set case orderMethods inherited from class com.icl.saxon.sort.Comparer
setDataType, setOrder
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Constructor Details
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StringComparer
public StringComparer()
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Method Details
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compare
Compare two string objects using default collating- Specified by:
compare
in classComparer
- Returns:
- invalid input: '<'0 if ainvalid input: '<'b, 0 if a=b, >0 if a>b
- Throws:
ClassCastException
- if the objects are of the wrong type for this Comparer
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setCaseOrder
Set case order- Overrides:
setCaseOrder
in classTextComparer
- 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.
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