getNewDefaultValueInstanceIfPossible() — spring-boot Function Reference

Architecture documentation for the getNewDefaultValueInstanceIfPossible() function in ValueObjectBinder.java from the spring-boot codebase.

Function java GradlePlugin AotProcessing calls 3 called by 1

Entity Profile

GradlePlugin→ AotProcessing→ getNewDefaultValueInstanceIfPossible() — spring-boot Function Reference

Dependency Diagram

graph TD
  95e80a07_1395_d714_760f_30137961bf1f["getNewDefaultValueInstanceIfPossible()"]
  46b98d48_2b64_2351_c50d_2fa01b9964c8["getDefaultValue()"]
  46b98d48_2b64_2351_c50d_2fa01b9964c8 -->|calls| 95e80a07_1395_d714_760f_30137961bf1f
  0d315f0c_db86_abaa_bc1c_ded83d4b9fee["isEmptyDefaultValueAllowed()"]
  95e80a07_1395_d714_760f_30137961bf1f -->|calls| 0d315f0c_db86_abaa_bc1c_ded83d4b9fee
  7aa7c7f1_53b7_c1f7_1b1c_b5d601b34a76["create()"]
  95e80a07_1395_d714_760f_30137961bf1f -->|calls| 7aa7c7f1_53b7_c1f7_1b1c_b5d601b34a76
  76576a77_87f7_3680_8561_2923813db3c1["of()"]
  95e80a07_1395_d714_760f_30137961bf1f -->|calls| 76576a77_87f7_3680_8561_2923813db3c1
  style 95e80a07_1395_d714_760f_30137961bf1f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

core/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/ValueObjectBinder.java lines 153–181

	@SuppressWarnings("unchecked")
	private <T> @Nullable T getNewDefaultValueInstanceIfPossible(Binder.Context context, ResolvableType type) {
		Class<T> resolved = (Class<T>) type.resolve();
		Assert.state(resolved == null || isEmptyDefaultValueAllowed(resolved),
				() -> "Parameter of type " + type + " must have a non-empty default value.");
		if (resolved != null) {
			if (Optional.class == resolved) {
				return (T) Optional.empty();
			}
			if (Collection.class.isAssignableFrom(resolved)) {
				return (T) CollectionFactory.createCollection(resolved, 0);
			}
			if (EnumMap.class.isAssignableFrom(resolved)) {
				Class<?> keyType = type.asMap().resolveGeneric(0);
				return (T) CollectionFactory.createMap(resolved, keyType, 0);
			}
			if (Map.class.isAssignableFrom(resolved)) {
				return (T) CollectionFactory.createMap(resolved, 0);
			}
			if (resolved.isArray()) {
				return (T) Array.newInstance(resolved.getComponentType(), 0);
			}
		}
		T instance = create(Bindable.of(type), context);
		if (instance != null) {
			return instance;
		}
		return (resolved != null) ? BeanUtils.instantiateClass(resolved) : null;
	}

Domain

GradlePlugin

Subdomains

AotProcessing

Calls

create()
isEmptyDefaultValueAllowed()
of()

Called By

getDefaultValue()

Source

View on GitHub

Frequently Asked Questions

What does getNewDefaultValueInstanceIfPossible() do?

getNewDefaultValueInstanceIfPossible() is a function in the spring-boot codebase.

What does getNewDefaultValueInstanceIfPossible() call?

getNewDefaultValueInstanceIfPossible() calls 3 function(s): create, isEmptyDefaultValueAllowed, of.

What calls getNewDefaultValueInstanceIfPossible()?

getNewDefaultValueInstanceIfPossible() is called by 1 function(s): getDefaultValue.

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