BasePackages Class — spring-boot Architecture

Source Code

core/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/AutoConfigurationPackages.java lines 191–228

	static final class BasePackages {

		private final List<String> packages;

		private boolean loggedBasePackageInfo;

		BasePackages(String... names) {
			List<String> packages = new ArrayList<>();
			for (String name : names) {
				if (StringUtils.hasText(name)) {
					packages.add(name);
				}
			}
			this.packages = packages;
		}

		List<String> get() {
			if (!this.loggedBasePackageInfo) {
				if (this.packages.isEmpty()) {
					if (logger.isWarnEnabled()) {
						logger.warn("@EnableAutoConfiguration was declared on a class "
								+ "in the default package. Automatic @Repository and "
								+ "@Entity scanning is not enabled.");
					}
				}
				else {
					if (logger.isDebugEnabled()) {
						String packageNames = StringUtils.collectionToCommaDelimitedString(this.packages);
						logger.debug("@EnableAutoConfiguration was declared on a class in the package '" + packageNames
								+ "'. Automatic @Repository and @Entity scanning is enabled.");
					}
				}
				this.loggedBasePackageInfo = true;
			}
			return this.packages;
		}

	}