org.firebirdsql.jdbc
Class FBEscapedCallParser

java.lang.Object
  org.firebirdsql.jdbc.FBEscapedCallParser

public class FBEscapedCallParser
extends java.lang.Object

Parser for escaped procedure call.

Constructor Summary

FBEscapedCallParser(int mode)

Method Summary

protected int	getState() Returns the current state.
protected boolean	isInState(int state) Returns if the system is in state state.
FBProcedureCall	parseCall(java.lang.String sql) Converts escaped parts in the passed SQL to native representation.
protected java.lang.String	processParam(java.lang.String param) Pre-process parameter.
protected boolean	processToken(java.lang.String token) Process token.
protected void	setState(int state) Sets the current state.
protected void	switchState(char testChar) Test the character to be the state switching character and switches the state if necessary.

Methods inherited from class java.lang.Object

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

Constructor Detail

FBEscapedCallParser

public FBEscapedCallParser(int mode)

Method Detail

getState

protected int getState()

Returns the current state.

setState

protected void setState(int state)

Sets the current state.

Parameters:

state - to enter.

Throws:

java.lang.IllegalStateException - if the system cannot enter the desired state.

isInState

protected boolean isInState(int state)

Returns if the system is in state state.

Parameters:

state - we're testing

Returns:

true if the system is in state state.

switchState

protected void switchState(char testChar)
                    throws FBSQLParseException

Test the character to be the state switching character and switches the state if necessary.

Parameters:

testChar - character to test

Throws:

FBSQLParseException

parseCall

public FBProcedureCall parseCall(java.lang.String sql)
                          throws java.sql.SQLException

Converts escaped parts in the passed SQL to native representation.

Parameters:

sql - to parse

Returns:

native form of the sql.

Throws:

java.sql.SQLException

processToken

protected boolean processToken(java.lang.String token)

Process token. This method detects procedure call keywords and sets appropriate flags. Also it detects procedure name and sets appropriate filed in the procedure call object.

Parameters:

token - token to process.

Returns:

true if token was understood and processed.

processParam

protected java.lang.String processParam(java.lang.String param)
                                 throws java.sql.SQLException

Pre-process parameter. This method checks if there is escaped call inside and converts it to the native one.

Parameters:

param - parameter to process.

Returns:

processed parameter.

Throws:

java.sql.SQLException - if parameter cannot be correctly parsed.