org.apache.directory.api.ldap.model.subtree

Class SubtreeSpecificationChecker

java.lang.Object

org.apache.directory.api.ldap.model.subtree.SubtreeSpecificationChecker

public class SubtreeSpecificationChecker
extends Object

A reusable wrapper around the antlr generated parser for an LDAP subtree specification as defined by RFC 3672. This class enables the reuse of the antlr parser/lexer pair without having to recreate the pair every time.

Author:

Apache Directory Project

See Also:

RFC 3672

Field Summary

Fields

Modifier and Type	Field and Description
private ReusableAntlrSubtreeSpecificationCheckerLexer	lexer the antlr generated lexer being wrapped
private ReusableAntlrSubtreeSpecificationChecker	parser the antlr generated parser being wrapped

Constructor Summary

Constructors

Constructor and Description
SubtreeSpecificationChecker(SchemaManager schemaManager) Creates a normalizing subtree specification parser.

Method Summary

Modifier and Type	Method and Description
void	parse(String spec) Parses a subtree specification without exhausting the parser.
private void	reset(String spec) Initializes the plumbing by creating a pipe and coupling the parser/lexer pair with it.

Methods inherited from class java.lang.Object

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

Field Detail

parser

private ReusableAntlrSubtreeSpecificationChecker parser

the antlr generated parser being wrapped

lexer

private ReusableAntlrSubtreeSpecificationCheckerLexer lexer

the antlr generated lexer being wrapped

Constructor Detail

SubtreeSpecificationChecker

public SubtreeSpecificationChecker(SchemaManager schemaManager)

Creates a normalizing subtree specification parser.

Parameters:

schemaManager - The SchemaManager

Method Detail

reset

private void reset(String spec)

Initializes the plumbing by creating a pipe and coupling the parser/lexer pair with it. param spec the specification to be parsed

Parameters:

spec - The specification to parse

parse

public void parse(String spec)
           throws ParseException

Parses a subtree specification without exhausting the parser.

Parameters:

spec - the specification to be parsed

Throws:

ParseException - if there are any recognition errors (bad syntax)