wt.adapter
Class IeWhereParser

java.lang.Object
  wt.adapter.IeWhereParser

public class IeWhereParser

extends Object

This class parses an Info*Engine where clause into a vector of IeSearch conditions. Each search condition has the elements of "attribute", "operator", and "value".

Field Summary

private int	nestedLevel
private static String	RESOURCE
private Vector	searchConditions Vector of parsed where conditions
private static boolean	VERBOSE
private static String	versionID
private int	whereCursor Current index into where clause tokens
private Vector	whereTokens Parsed tokens from the where clause.

Constructor Summary

IeWhereParser()

Method Summary

private Object	buildSearchConditions() Scan where clause tokens and collect individual search conditions.
void	IeWhereParser() Constructor.
static void	main(String[] args) Main method for testing.
Vector	parseWhere(String whereClause) Translates a string IE where filter to a vector of search conditions.
private IeCondition	translateTerm() Translate a term of an Info*Engine where clause into a vector of "attribute", "operator", and "value" search filter.

Methods inherited from class java.lang.Object

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

Field Detail

versionID

private static final String versionID

See Also:

Constant Field Values

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

whereCursor

private int whereCursor

Current index into where clause tokens

nestedLevel

private int nestedLevel

whereTokens

private Vector whereTokens

Parsed tokens from the where clause.

searchConditions

private Vector searchConditions

Vector of parsed where conditions

VERBOSE

private static boolean VERBOSE

Constructor Detail

IeWhereParser

public IeWhereParser()

Method Detail

IeWhereParser

public void IeWhereParser()

Constructor.

parseWhere

public Vector parseWhere(String whereClause)
                  throws WebjectServiceException

Translates a string IE where filter to a vector of search conditions.

Parameters:

whereClause - A string Info*Engine where clause.

Returns:

Vector containing where clause elements.

Throws:

WebjectServiceException

buildSearchConditions

private Object buildSearchConditions()

Scan where clause tokens and collect individual search conditions.

Returns:

Vector search conditions.

translateTerm

private IeCondition translateTerm()

Translate a term of an Info*Engine where clause into a vector of "attribute", "operator", and "value" search filter.

Returns:

IeCondition, null if term can not be translated

main

public static void main(String[] args)

Main method for testing. Call Parameters Example: java wt.adapter.IeWhereParser "a1=v1&a2=v2&a3=v3"

Parameters:

args -