org.cdlib.xtf.crossQuery
Class QueryRoute

Object
  QueryRoute

public class QueryRoute
extends Object

Routes a request to a particular query parser. Optionally contains special tokenizing instructions for one or more URL parameters.

Field Summary

String	errorGenSheet Optional: path to the error generator stylesheet
String	queryParserSheet Path to the query parser stylesheet
String	routerInput Optional: input to query router stylesheet
String	routerOutput Optional: output from query router stylesheet
HashMap	tokenizerMap Special parsing requests for particular URL parameters

Constructor Summary

protected

QueryRoute() Do not construct directly -- use parse(NodeInfo)

Method Summary

static QueryRoute	createDefault(String queryParserSheet) Create a default route to the given query parser
static QueryRoute	parse(NodeInfo input) Reads and parses the route output from a queryRouter stylesheet.
private void	parseErrorGen(EasyNode el) Parse a 'errorGen' element
private void	parseQueryParser(EasyNode el) Parse a 'queryParser' element
private void	parseTokenizer(EasyNode el) Parse a 'tokenize' element

Methods inherited from class Object

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

Field Detail

queryParserSheet

public String queryParserSheet

Path to the query parser stylesheet

errorGenSheet

public String errorGenSheet

Optional: path to the error generator stylesheet

tokenizerMap

public HashMap tokenizerMap

Special parsing requests for particular URL parameters

routerInput

public String routerInput

Optional: input to query router stylesheet

routerOutput

public String routerOutput

Optional: output from query router stylesheet

Constructor Detail

QueryRoute

protected QueryRoute()

Do not construct directly -- use parse(NodeInfo)

Method Detail

createDefault

public static QueryRoute createDefault(String queryParserSheet)

Create a default route to the given query parser

parse

public static QueryRoute parse(NodeInfo input)
                        throws GeneralException

Reads and parses the route output from a queryRouter stylesheet.

Parameters:

input - The output from a queryRouter stylesheet

Throws:

GeneralException - If a read or parse error occurs.

parseQueryParser

private void parseQueryParser(EasyNode el)

Parse a 'queryParser' element

parseErrorGen

private void parseErrorGen(EasyNode el)

Parse a 'errorGen' element

parseTokenizer

private void parseTokenizer(EasyNode el)

Parse a 'tokenize' element