AbstractBindHandler Class — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/AbstractBindHandler.java lines 31–74

public abstract class AbstractBindHandler implements BindHandler {

	private final BindHandler parent;

	/**
	 * Create a new binding handler instance.
	 */
	public AbstractBindHandler() {
		this(BindHandler.DEFAULT);
	}

	/**
	 * Create a new binding handler instance with a specific parent.
	 * @param parent the parent handler
	 */
	public AbstractBindHandler(BindHandler parent) {
		Assert.notNull(parent, "'parent' must not be null");
		this.parent = parent;
	}

	@Override
	public <T> @Nullable Bindable<T> onStart(ConfigurationPropertyName name, Bindable<T> target, BindContext context) {
		return this.parent.onStart(name, target, context);
	}

	@Override
	public @Nullable Object onSuccess(ConfigurationPropertyName name, Bindable<?> target, BindContext context,
			Object result) {
		return this.parent.onSuccess(name, target, context, result);
	}

	@Override
	public @Nullable Object onFailure(ConfigurationPropertyName name, Bindable<?> target, BindContext context,
			Exception error) throws Exception {
		return this.parent.onFailure(name, target, context, error);
	}

	@Override
	public void onFinish(ConfigurationPropertyName name, Bindable<?> target, BindContext context,
			@Nullable Object result) throws Exception {
		this.parent.onFinish(name, target, context, result);
	}

}