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## net.sf.saxon.sort
Class LowercaseFirstCollator

    java.lang.Object
      net.sf.saxon.sort.LowercaseFirstCollator

All Implemented Interfaces:
  java.io.Serializable, StringCollator

    public class LowercaseFirstCollator

extends java.lang.Object
implements StringCollator, java.io.Serializable

A StringCollator that sorts lowercase before uppercase.

Case is irrelevant, unless the strings are equal ignoring case, in which case lowercase comes first.

Author:
  Michael H. Kay
See Also:
  Serialized Form

Constructor Summary
`LowercaseFirstCollator(StringCollator base)` Create a LowercaseFirstCollator

Method Summary
`int` | `compareStrings(java.lang.String a, java.lang.String b)` Compare two string objects: case is irrelevant, unless the strings are equal ignoring case, in which case lowercase comes first.
`java.lang.Object` | `getCollationKey(java.lang.String s)` Get a collation key for two Strings.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### LowercaseFirstCollator

    public LowercaseFirstCollator(StringCollator base)

  Create a LowercaseFirstCollator

  Parameters:
    `base` - the base collator, which determines how characters are sorted irrespective of case

Method Detail

### compareStrings

    public int compareStrings(java.lang.String a,
                              java.lang.String b)

  Compare two string objects: case is irrelevant, unless the strings are equal ignoring case, in which case lowercase comes first.

  Specified by:
    `compareStrings` in interface `StringCollator`
  Parameters:
    `a` - the first string
    `b` - the second string
  Returns:
    <0 if a0 if a>b
  Throws:
    `java.lang.ClassCastException` - if the objects are of the wrong type for this Comparer

### getCollationKey

    public java.lang.Object getCollationKey(java.lang.String s)

  Get a collation key for two Strings. The essential property of collation keys is that if two values are equal under the collation, then the collation keys are compare correctly under the equals() method.

  Specified by:
    `getCollationKey` in interface `StringCollator`
  Parameters:
    `s` - the string whose collation key is required
  Returns:
    the collation key

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Copyright (c) Saxonica Limited. All rights reserved.