com.infoengine.email
Class WhereParser

java.lang.Object
  com.infoengine.email.WhereParser

public class WhereParser

extends Object

Field Summary

private static String	RESOURCE
private int	whereCursor
private Vector	whereTokens
private static String	whitespace

Constructor Summary

WhereParser()
Constructor.

Method Summary

private String	getNextToken(StringTokenizer tokens, Stack tokenStack)
private Filter	parse(String type) Translate a tokenized Info*Engine WHERE clause to an e-mail search filter.
Filter	parse(String type, String whereClause) Translate a SQL-like WHERE clause to an e-mail search filter.
private Filter	parseTerm(String type) Translate a term of an Info*Engine WHERE clause to an e-mail search term.

Methods inherited from class java.lang.Object

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

Field Detail

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

whitespace

private static final String whitespace

See Also:

Constant Field Values

whereCursor

private int whereCursor

whereTokens

private Vector whereTokens

Constructor Detail

WhereParser

public WhereParser()

Constructor.

Method Detail

parse

public Filter parse(String type,
                    String whereClause)
             throws IEException

Translate a SQL-like WHERE clause to an e-mail search filter.

Parameters:

type - The e-mail object type against which to apply the filter

whereClause - The WHERE clause to be translated

Returns:

The e-mail search filter

Throws:

IEException

getNextToken

private String getNextToken(StringTokenizer tokens,
                            Stack tokenStack)

parse

private Filter parse(String type)
              throws IEException

Translate a tokenized Info*Engine WHERE clause to an e-mail search filter.

Parameters:

type - The e-mail object type against which to apply the filter

Returns:

The search filter, or null if expression can not be parsed.

Throws:

IEException

parseTerm

private Filter parseTerm(String type)
                  throws IEException

Translate a term of an Info*Engine WHERE clause to an e-mail search term.

Parameters:

type - The e-mail object type against which to apply the filter

Returns:

e-mail search term, or null if term can not be translated.

Throws:

IEException