UnboundConfigurationPropertyFailureAnalyzer Class — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/diagnostics/analyzer/UnboundConfigurationPropertyFailureAnalyzer.java lines 34–67

class UnboundConfigurationPropertyFailureAnalyzer
		extends AbstractFailureAnalyzer<UnboundConfigurationPropertiesException> {

	@Override
	protected FailureAnalysis analyze(Throwable rootFailure, UnboundConfigurationPropertiesException cause) {
		BindException exception = findCause(rootFailure, BindException.class);
		Assert.state(exception != null, "BindException not found");
		return analyzeUnboundConfigurationPropertiesException(exception, cause);
	}

	private FailureAnalysis analyzeUnboundConfigurationPropertiesException(BindException cause,
			UnboundConfigurationPropertiesException exception) {
		StringBuilder description = new StringBuilder(
				String.format("Binding to target %s failed:%n", cause.getTarget()));
		for (ConfigurationProperty property : exception.getUnboundProperties()) {
			buildDescription(description, property);
			description.append(String.format("%n    Reason: %s", exception.getMessage()));
		}
		return getFailureAnalysis(description, cause);
	}

	private void buildDescription(StringBuilder description, @Nullable ConfigurationProperty property) {
		if (property != null) {
			description.append(String.format("%n    Property: %s", property.getName()));
			description.append(String.format("%n    Value: \"%s\"", property.getValue()));
			description.append(String.format("%n    Origin: %s", property.getOrigin()));
		}
	}

	private FailureAnalysis getFailureAnalysis(Object description, BindException cause) {
		return new FailureAnalysis(description.toString(), "Update your application's configuration", cause);
	}

}