Package io.vertigo.commons.script

Interface ScriptManager

All Superinterfaces:

io.vertigo.core.node.component.Component, io.vertigo.core.node.component.CoreComponent, io.vertigo.core.node.component.Manager

All Known Implementing Classes:

ScriptManagerImpl

public interface ScriptManager
extends io.vertigo.core.node.component.Manager

Manages scripts. A script is composed of expressions. A script (and experssions) can be parameterized.

Author:

pchretien

Method Summary

Modifier and Type	Method	Description
<J> J	evaluateExpression(String expression, List<ExpressionParameter> parameters, Class<J> type)	Evaluates an expression.
String	evaluateScript(String script, SeparatorType separatorType, List<ExpressionParameter> parameters)	Evaluates the script, transforms a script into a text.
void	parse(String script, ScriptParserHandler scriptHandler, ScriptSeparator separator)	Parses the script with a specific handler.

Method Details

parse

void parse(String script,
 ScriptParserHandler scriptHandler,
 ScriptSeparator separator)

Parses the script with a specific handler. the grammar is defined by simple tags balises (separators).

Parameters:

script - the script to analyse

scriptHandler - the hander

separator - the allowed separators in the grammar.

evaluateScript

String evaluateScript(String script,
 SeparatorType separatorType,
 List<ExpressionParameter> parameters)

Evaluates the script, transforms a script into a text.

Parameters:

script - the script

separatorType - the type of separator

parameters - the parameters

Returns:

the evaluated script as a simplet text

evaluateExpression

<J> J evaluateExpression(String expression,
 List<ExpressionParameter> parameters,
 Class<J> type)

Evaluates an expression. Examples of expressions written in java - name - birthDate - age>20 - salary>5000 invalid input: '&'invalid input: '&' age invalid input: '<'30 - name + surName

Parameters:

expression - the expression

parameters - the parameters

type - the returned type

Returns:

the evaluated expression