net.sf.saxon.lib
Interface SubstringMatcher

All Superinterfaces:
Serializable, StringCollator
All Known Implementing Classes:
CodepointCollator, RuleBasedSubstringMatcher

public interface SubstringMatcher
extends StringCollator

This interface is implemented by a collation that is capable of supporting the XPath functions that require matching of a substring: namely contains(), starts-with, ends-with, substring-before, and substring-after. For sorting and comparing strings, a collation needs to implement only the StringCollator interface; for matching of substrings, it must also implement this interface.


Method Summary
 boolean contains(String s1, String s2)
          Test whether one string contains another, according to the rules of the XPath contains() function
 boolean endsWith(String s1, String s2)
          Test whether one string ends with another, according to the rules of the XPath ends-with() function
 boolean startsWith(String s1, String s2)
          Test whether one string starts with another, according to the rules of the XPath starts-with() function
 String substringAfter(String s1, String s2)
          Return the part of a string after a given substring, according to the rules of the XPath substring-after() function
 String substringBefore(String s1, String s2)
          Return the part of a string before a given substring, according to the rules of the XPath substring-before() function
 
Methods inherited from interface net.sf.saxon.lib.StringCollator
comparesEqual, compareStrings, getCollationKey
 

Method Detail

contains

boolean contains(String s1,
                 String s2)
Test whether one string contains another, according to the rules of the XPath contains() function

Parameters:
s1 - the containing string
s2 - the contained string
Returns:
true iff s1 contains s2

startsWith

boolean startsWith(String s1,
                   String s2)
Test whether one string starts with another, according to the rules of the XPath starts-with() function

Parameters:
s1 - the containing string
s2 - the contained string
Returns:
true iff s1 starts with s2

endsWith

boolean endsWith(String s1,
                 String s2)
Test whether one string ends with another, according to the rules of the XPath ends-with() function

Parameters:
s1 - the containing string
s2 - the contained string
Returns:
true iff s1 ends with s2

substringBefore

String substringBefore(String s1,
                       String s2)
Return the part of a string before a given substring, according to the rules of the XPath substring-before() function

Parameters:
s1 - the containing string
s2 - the contained string
Returns:
the part of s1 that precedes the first occurrence of s2

substringAfter

String substringAfter(String s1,
                      String s2)
Return the part of a string after a given substring, according to the rules of the XPath substring-after() function

Parameters:
s1 - the containing string
s2 - the contained string
Returns:
the part of s1 that follows the first occurrence of s2


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