Package com.netflix.spinnaker.kork.expressions

Class ExpressionTransform

java.lang.Object

com.netflix.spinnaker.kork.expressions.ExpressionTransform

public class ExpressionTransform
extends Object

Constructor Summary

Constructors

Constructor	Description
ExpressionTransform(org.springframework.expression.ParserContext parserContext, org.springframework.expression.ExpressionParser parser, Function<String,String> stringExpressionPreprocessor, Class<?>... typesToStringify)

Method Summary

Modifier and Type	Method	Description
static String	escapeSimpleExpression(String expression)	Helper to escape a simple expression string Used to extract a simple expression when parsing fails
List	transformList(List source, org.springframework.expression.EvaluationContext evaluationContext, ExpressionEvaluationSummary summary, Map<String,Object> additionalContext)
Map<String,Object>	transformMap(Map<String,Object> source, org.springframework.expression.EvaluationContext evaluationContext, ExpressionEvaluationSummary summary)	Traverses and attempts to evaluate expressions Failures can either be INFO (for a simple unresolved expression) or ERROR when an exception is thrown
String	transformString(String source, org.springframework.expression.EvaluationContext evaluationContext, ExpressionEvaluationSummary summary)

Methods inherited from class java.lang.Object

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

Constructor Details

ExpressionTransform

public ExpressionTransform(org.springframework.expression.ParserContext parserContext,
 org.springframework.expression.ExpressionParser parser,
 Function<String,String> stringExpressionPreprocessor,
 Class<?>... typesToStringify)

Method Details

escapeSimpleExpression

public static String escapeSimpleExpression(String expression)

Helper to escape a simple expression string Used to extract a simple expression when parsing fails

Parameters:

expression - Expression to escape

Returns:

escaped expression string

transformMap

public Map<String,Object> transformMap(Map<String,Object> source,
 org.springframework.expression.EvaluationContext evaluationContext,
 ExpressionEvaluationSummary summary)

Traverses and attempts to evaluate expressions Failures can either be INFO (for a simple unresolved expression) or ERROR when an exception is thrown

Parameters:

source - Source object to apply SpEL transformations to

evaluationContext - Context used during evaluation of source object

summary - Summary of evaluation after all transformations are applied

Returns:

the transformed source object

transformList

public List transformList(List source,
 org.springframework.expression.EvaluationContext evaluationContext,
 ExpressionEvaluationSummary summary,
 Map<String,Object> additionalContext)

transformString

public String transformString(String source,
 org.springframework.expression.EvaluationContext evaluationContext,
 ExpressionEvaluationSummary summary)