scriptella.jdbc

Class ParametersParser

java.lang.Object

scriptella.jdbc.ParametersParser

public class ParametersParser
extends java.lang.Object

Parses parameter expressions in SQL statements. This class use Expression parsing mechanism except the file reference case.

The syntax of the file reference is the following:

?{file <Expression>}

The result of expression evaluation must be of String or URL type.

Examples:

• ?{file 'http://site.com/img.gif')
• ?{file 'file:/path/img.gif')
• ?{file 'img.gif') - represents a reference relative to a directory where script file located.

Version:

1.0

Author:

Fyodor Kupolov

See Also:

Expression

Constructor Summary

Constructors

Constructor and Description
ParametersParser(DriverContext driverContext) Creates a file reference parser.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	evaluate(java.lang.String expression, ParametersCallback parameters) Parses specified expression and returns the result of evaluation.

Methods inherited from class java.lang.Object

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

Constructor Detail

ParametersParser

public ParametersParser(DriverContext driverContext)

Creates a file reference parser.

Parameters:

driverContext - drivers content to use for URL resolution.

Method Detail

evaluate

public java.lang.Object evaluate(java.lang.String expression,
                                 ParametersCallback parameters)

Parses specified expression and returns the result of evaluation.

Parameters:

expression - expression to parse.

Returns:

result of parse.