private void updateMappings()

in spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/source/SpringIterableConfigurationPropertySource.java [229:259]

31 lines of code
11 McCabe index (conditional complexity)


		private void updateMappings(String[] propertyNames) {
			String[] lastUpdated = this.lastUpdated;
			if (lastUpdated != null && Arrays.equals(lastUpdated, propertyNames)) {
				return;
			}
			int size = propertyNames.length;
			Map<ConfigurationPropertyName, Set<String>> mappings = cloneOrCreate(this.mappings, size);
			Map<String, ConfigurationPropertyName> reverseMappings = cloneOrCreate(this.reverseMappings, size);
			Map<ConfigurationPropertyName, Set<ConfigurationPropertyName>> descendants = cloneOrCreate(this.descendants,
					size);
			for (PropertyMapper propertyMapper : this.mappers) {
				for (String propertyName : propertyNames) {
					if (!reverseMappings.containsKey(propertyName)) {
						ConfigurationPropertyName configurationPropertyName = propertyMapper.map(propertyName);
						if (configurationPropertyName != null && !configurationPropertyName.isEmpty()) {
							add(mappings, configurationPropertyName, propertyName);
							reverseMappings.put(propertyName, configurationPropertyName);
							if (this.trackDescendants) {
								addParents(descendants, configurationPropertyName);
							}
						}
					}
				}
			}
			this.mappings = mappings;
			this.reverseMappings = reverseMappings;
			this.descendants = descendants;
			this.lastUpdated = this.immutable ? null : propertyNames;
			this.configurationPropertyNames = this.immutable
					? reverseMappings.values().toArray(new ConfigurationPropertyName[0]) : null;
		}