Package com.inductiveautomation.ignition.gateway.expressions

Class FormattedExpressionParseContext

java.lang.Object

com.inductiveautomation.ignition.gateway.expressions.FormattedExpressionParseContext

All Implemented Interfaces:

ExpressionParseContext

public class FormattedExpressionParseContext
extends Object
implements ExpressionParseContext

A simple delegating expression parse context that detects the presence of a format string defined by a pipe "|", such as {Property|#.00}, and creates a wrapped expression that executes the formatting. If the format string is not present, the path is passed unaltered to the delegate context.

Constructor Summary

Constructors

Constructor	Description
FormattedExpressionParseContext(ExpressionParseContext delegate)

Method Summary

Modifier and Type	Method	Description
Expression	createBoundExpression(String path)	Called to create expressions to represent bound elements, like:
FunctionFactory	getFunctionFactory()

Methods inherited from class java.lang.Object

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

Constructor Details

FormattedExpressionParseContext

public FormattedExpressionParseContext(ExpressionParseContext delegate)

Method Details

createBoundExpression

public Expression createBoundExpression(String path)
                                 throws RuntimeException

Description copied from interface: ExpressionParseContext

Called to create expressions to represent bound elements, like:

 { path.to.something }
 

Specified by:

createBoundExpression in interface ExpressionParseContext

Parameters:

path - the text content inside the braces.

Throws:

RuntimeException - because the CUP parser doesn't have a throws on the function that calls this inside the parser

getFunctionFactory

public FunctionFactory getFunctionFactory()

Specified by:

getFunctionFactory in interface ExpressionParseContext