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()	Returns the function factory to be used for looking up functions during parsing.

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.

Returns:

the created Expression

Throws:

RuntimeException - if the expression cannot be created (e.g., invalid path)

getFunctionFactory

public FunctionFactory getFunctionFactory()

Description copied from interface: ExpressionParseContext

Returns the function factory to be used for looking up functions during parsing.

Specified by:

getFunctionFactory in interface ExpressionParseContext

Returns:

the FunctionFactory