ConfigurationPropertySourcesPropertySource Class — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/context/properties/source/ConfigurationPropertySourcesPropertySource.java lines 35–80

class ConfigurationPropertySourcesPropertySource extends PropertySource<Iterable<ConfigurationPropertySource>>
		implements OriginLookup<String> {

	ConfigurationPropertySourcesPropertySource(String name, Iterable<ConfigurationPropertySource> source) {
		super(name, source);
	}

	@Override
	public boolean containsProperty(String name) {
		return findConfigurationProperty(name) != null;
	}

	@Override
	public @Nullable Object getProperty(String name) {
		ConfigurationProperty configurationProperty = findConfigurationProperty(name);
		return (configurationProperty != null) ? configurationProperty.getValue() : null;
	}

	@Override
	public @Nullable Origin getOrigin(String name) {
		return Origin.from(findConfigurationProperty(name));
	}

	private @Nullable ConfigurationProperty findConfigurationProperty(String name) {
		try {
			return findConfigurationProperty(ConfigurationPropertyName.of(name, true));
		}
		catch (Exception ex) {
			return null;
		}
	}

	@Nullable ConfigurationProperty findConfigurationProperty(@Nullable ConfigurationPropertyName name) {
		if (name == null) {
			return null;
		}
		for (ConfigurationPropertySource configurationPropertySource : getSource()) {
			ConfigurationProperty configurationProperty = configurationPropertySource.getConfigurationProperty(name);
			if (configurationProperty != null) {
				return configurationProperty;
			}
		}
		return null;
	}

}