| 1 | package pro.verron.officestamper.core; | |
| 2 | ||
| 3 | import org.springframework.expression.ExpressionParser; | |
| 4 | import org.springframework.expression.spel.support.StandardEvaluationContext; | |
| 5 | import org.springframework.lang.Nullable; | |
| 6 | import pro.verron.officestamper.api.Placeholder; | |
| 7 | ||
| 8 | /** | |
| 9 | * Resolves expressions against a given context object. Expressions can be either SpEL expressions or simple property | |
| 10 | * expressions. | |
| 11 | * | |
| 12 | * @author Joseph Verron | |
| 13 | * @author Tom Hombergs | |
| 14 | * @version ${version} | |
| 15 | * @since 1.0.0 | |
| 16 | */ | |
| 17 | public class ExpressionResolver { | |
| 18 | ||
| 19 | private final ExpressionParser parser; | |
| 20 | private final StandardEvaluationContext evaluationContext; | |
| 21 | ||
| 22 | /** | |
| 23 | * Creates a new ExpressionResolver with the given SpEL parser configuration. | |
| 24 | * | |
| 25 | * @param standardEvaluationContext a {@link StandardEvaluationContext} object | |
| 26 | */ | |
| 27 | public ExpressionResolver( | |
| 28 | StandardEvaluationContext standardEvaluationContext, | |
| 29 | ExpressionParser expressionParser | |
| 30 | ) { | |
| 31 | this.parser = expressionParser; | |
| 32 | this.evaluationContext = standardEvaluationContext; | |
| 33 | } | |
| 34 | ||
| 35 | ||
| 36 | /** | |
| 37 | * Resolves the content of a placeholder by evaluating the expression against the evaluation context. | |
| 38 | * | |
| 39 | * @param placeholder the placeholder to resolve | |
| 40 | * | |
| 41 | * @return the resolved value of the placeholder | |
| 42 | */ | |
| 43 | @Nullable public Object resolve(Placeholder placeholder) { | |
| 44 | var expressionString = placeholder.content(); | |
| 45 | var expression = parser.parseExpression(expressionString); | |
| 46 |
1
1. resolve : replaced return value with null for pro/verron/officestamper/core/ExpressionResolver::resolve → KILLED |
return expression.getValue(evaluationContext); |
| 47 | } | |
| 48 | ||
| 49 | /** | |
| 50 | * Sets the context object against which expressions will be resolved. | |
| 51 | * | |
| 52 | * @param contextRoot the context object to set as the root. | |
| 53 | */ | |
| 54 | public void setContext(Object contextRoot) { | |
| 55 |
1
1. setContext : removed call to org/springframework/expression/spel/support/StandardEvaluationContext::setRootObject → KILLED |
evaluationContext.setRootObject(contextRoot); |
| 56 | } | |
| 57 | } | |
Mutations | ||
| 46 |
1.1 |
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| 55 |
1.1 |