org.jboss.dna.jcr.xpath
Class XPathQueryParser

java.lang.Object
  org.jboss.dna.jcr.xpath.XPathQueryParser

All Implemented Interfaces:

QueryParser

public class XPathQueryParser
extends Object
implements QueryParser

A QueryParser implementation that accepts XPath expressions and converts them to a DNA Abstract Query Model representation.

Constructor Summary

XPathQueryParser()

Method Summary

boolean	equals(Object obj)
String	getLanguage() Get the name of the language that this parser is able to understand.
QueryCommand	parseQuery(String query, TypeSystem typeSystem) Parse the supplied query from a string representation into a QueryCommand.
String	toString()

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

XPathQueryParser

public XPathQueryParser()

Method Detail

getLanguage

public String getLanguage()

Get the name of the language that this parser is able to understand.

Specified by:

getLanguage in interface QueryParser

Returns:

the language name; never null

See Also:

QueryParser.getLanguage()

toString

public String toString()

Overrides:

toString in class Object

See Also:

Object.toString()

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

See Also:

Object.equals(java.lang.Object)

parseQuery

public QueryCommand parseQuery(String query,
                               TypeSystem typeSystem)
                        throws InvalidQueryException,
                               ParsingException

Parse the supplied query from a string representation into a QueryCommand.

Specified by:

parseQuery in interface QueryParser

Parameters:

query - the query in string form; may not be null

typeSystem - the type system used by the query; may not be null

Returns:

the query command

Throws:

InvalidQueryException - if the supplied query can be parsed but is invalid

ParsingException - if there is an error parsing the supplied query

See Also:

QueryParser.parseQuery(java.lang.String, org.jboss.dna.graph.query.model.TypeSystem)