Package org.firebirdsql.jdbc.escape

Class FBEscapedCallParser

  • public class FBEscapedCallParser
extends java.lang.Object
    Parser for escaped procedure call.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      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

    • 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:
        FBSQLParseException - if parameter cannot be correctly parsed.
        java.sql.SQLException