Module org.firebirdsql.jaybird

Package org.firebirdsql.jdbc.metadata

Class MetadataPatternMatcher

java.lang.Object

org.firebirdsql.jdbc.metadata.MetadataPatternMatcher

@InternalApi
public abstract sealed class MetadataPatternMatcher
extends Object

Emulates behavior of a database metadata pattern.

This behaves similar to (but not 100% identical to) a SQL LIKE pattern with ESCAPE '\' clause.

This implementation is not thread-safe.

Since:

4.0

Author:

Mark Rotteveel

Method Summary

Modifier and Type	Method	Description
static MetadataPatternMatcher	fromPattern(MetadataPattern metadataPattern)	Derives a metadata pattern matcher from a metadata pattern instance.
abstract boolean	matches(String value)	Checks if value matches the pattern of this matcher.
static String	patternToRegex(String metadataPattern)	Creates a regular expression pattern equivalent to the provided database metadata pattern.

Methods inherited from class java.lang.Object

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

Method Details

fromPattern

public static MetadataPatternMatcher fromPattern(MetadataPattern metadataPattern)

Derives a metadata pattern matcher from a metadata pattern instance.

Parameters:

metadataPattern - Metadata pattern instance

Returns:

Matcher for metadataPattern

matches

public abstract boolean matches(String value)

Checks if value matches the pattern of this matcher.

This method is not thread-safe.

Parameters:

value - Value to check

Returns:

true if value matches this pattern, false otherwise

patternToRegex

public static String patternToRegex(String metadataPattern)

Creates a regular expression pattern equivalent to the provided database metadata pattern.

Parameters:

metadataPattern - database metadata pattern

Returns:

Pattern for the provided like string.