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Polishing

This commit is contained in:
Sam Brannen 2024-02-06 12:41:09 +01:00
parent d5cb1d9adb
commit 81cdfafa78
2 changed files with 14 additions and 12 deletions
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5
spring-expression/src/main/java/org/springframework/expression/TypedValue.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2023 the original author or authors.
* Copyright 2002-2024 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -22,7 +22,8 @@ import org.springframework.util.ObjectUtils;
/**
* Encapsulates an object and a {@link TypeDescriptor} that describes it.
* The type descriptor can contain generic declarations that would not
*
* <p>The type descriptor can contain generic declarations that would not
* be accessible through a simple {@code getClass()} call on the object.
*
* @author Andy Clement

21
spring-expression/src/main/java/org/springframework/expression/spel/ast/Selection.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2022 the original author or authors.
* Copyright 2002-2024 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -36,7 +36,9 @@ import org.springframework.util.ObjectUtils;
/**
* Represents selection over a map or collection.
* For example: {1,2,3,4,5,6,7,8,9,10}.?{#isEven(#this) == 'y'} returns [2, 4, 6, 8, 10]
*
* <p>For example, <code>{1,2,3,4,5,6,7,8,9,10}.?{#isEven(#this)}</code> evaluates
* to {@code [2, 4, 6, 8, 10]}.
*
* <p>Basically a subset of the input data is returned based on the
* evaluation of the expression supplied as selection criteria.
@ -100,11 +102,10 @@ public class Selection extends SpelNodeImpl {
Object val = selectionCriteria.getValueInternal(state).getValue();
if (val instanceof Boolean b) {
if (b) {
result.put(entry.getKey(), entry.getValue());
if (this.variant == FIRST) {
result.put(entry.getKey(), entry.getValue());
return new ValueRef.TypedValueHolderValueRef(new TypedValue(result), this);
}
result.put(entry.getKey(), entry.getValue());
lastKey = entry.getKey();
}
}
@ -120,22 +121,22 @@ public class Selection extends SpelNodeImpl {
}
if ((this.variant == FIRST || this.variant == LAST) && result.isEmpty()) {
return new ValueRef.TypedValueHolderValueRef(new TypedValue(null), this);
return new ValueRef.TypedValueHolderValueRef(TypedValue.NULL, this);
}
if (this.variant == LAST) {
Map<Object, Object> resultMap = new HashMap<>();
Object lastValue = result.get(lastKey);
resultMap.put(lastKey,lastValue);
return new ValueRef.TypedValueHolderValueRef(new TypedValue(resultMap),this);
resultMap.put(lastKey, lastValue);
return new ValueRef.TypedValueHolderValueRef(new TypedValue(resultMap), this);
}
return new ValueRef.TypedValueHolderValueRef(new TypedValue(result),this);
return new ValueRef.TypedValueHolderValueRef(new TypedValue(result), this);
}
if (operand instanceof Iterable || ObjectUtils.isArray(operand)) {
Iterable<?> data = (operand instanceof Iterable<?> iterable ?
iterable : Arrays.asList(ObjectUtils.toObjectArray(operand)));
Iterable<?> data = (operand instanceof Iterable<?> iterable ? iterable :
Arrays.asList(ObjectUtils.toObjectArray(operand)));
List<Object> result = new ArrayList<>();
int index = 0;