Java Code Examples for org.springframework.util.StringUtils#toStringArray()

/**
 * Get all bean names for the given type, including those defined in ancestor
 * factories. Will return unique names in case of overridden bean definitions.
 * <p>Does consider objects created by FactoryBeans, which means that FactoryBeans
 * will get initialized. If the object created by the FactoryBean doesn't match,
 * the raw FactoryBean itself will be matched against the type.
 * <p>This version of {@code beanNamesForTypeIncludingAncestors} automatically
 * includes prototypes and FactoryBeans.
 * @param lbf the bean factory
 * @param type the type that beans must match (as a {@code Class})
 * @return the array of matching bean names, or an empty array if none
 */
public static String[] beanNamesForTypeIncludingAncestors(ListableBeanFactory lbf, Class<?> type) {
	Assert.notNull(lbf, "ListableBeanFactory must not be null");
	String[] result = lbf.getBeanNamesForType(type);
	if (lbf instanceof HierarchicalBeanFactory) {
		HierarchicalBeanFactory hbf = (HierarchicalBeanFactory) lbf;
		if (hbf.getParentBeanFactory() instanceof ListableBeanFactory) {
			String[] parentResult = beanNamesForTypeIncludingAncestors(
					(ListableBeanFactory) hbf.getParentBeanFactory(), type);
			List<String> resultList = new ArrayList<String>();
			resultList.addAll(Arrays.asList(result));
			for (String beanName : parentResult) {
				if (!resultList.contains(beanName) && !hbf.containsLocalBean(beanName)) {
					resultList.add(beanName);
				}
			}
			result = StringUtils.toStringArray(resultList);
		}
	}
	return result;
}
 

@Override
public String[] resolveMessageCodes(String errorCode, String objectName, String field, Class<?> fieldType) {
    Set<String> codeList = new LinkedHashSet<String>();
    List<String> fieldList = new ArrayList<String>();
    buildFieldList(field, fieldList);
    addCodes(codeList, errorCode, objectName, fieldList);
    int dotIndex = field.lastIndexOf('.');
    if (dotIndex != -1) {
        buildFieldList(field.substring(dotIndex + 1), fieldList);
    }
    addCodes(codeList, errorCode, null, fieldList);
    if (fieldType != null) {
        addCode(codeList, errorCode, null, fieldType.getName());
    }
    addCode(codeList, errorCode, null, null);

    if (this.getValidationErrorCodeMapping().containsKey(errorCode)) {
        addCode(codeList, this.getValidationErrorCodeMapping().get(errorCode), null, null);
    }

    return StringUtils.toStringArray(codeList);
}
 

@Override
public String[] getBeanNamesForType(ResolvableType type) {
	boolean isFactoryType = false;
	if (type != null) {
		Class<?> resolved = type.resolve();
		if (resolved != null && FactoryBean.class.isAssignableFrom(resolved)) {
			isFactoryType = true;
		}
	}
	List<String> matches = new ArrayList<String>();
	for (Map.Entry<String, Object> entry : this.beans.entrySet()) {
		String name = entry.getKey();
		Object beanInstance = entry.getValue();
		if (beanInstance instanceof FactoryBean && !isFactoryType) {
			Class<?> objectType = ((FactoryBean<?>) beanInstance).getObjectType();
			if (objectType != null && (type == null || type.isAssignableFrom(objectType))) {
				matches.add(name);
			}
		}
		else {
			if (type == null || type.isInstance(beanInstance)) {
				matches.add(name);
			}
		}
	}
	return StringUtils.toStringArray(matches);
}
 

/**
 * Resolve the <em>bean definition profiles</em> for the given {@linkplain
 * Class test class} based on profiles configured declaratively via
 * {@link ActiveProfiles#profiles} or {@link ActiveProfiles#value}.
 * @param testClass the test class for which the profiles should be resolved;
 * never {@code null}
 * @return the list of bean definition profiles to use when loading the
 * {@code ApplicationContext}; never {@code null}
 */
@Override
public String[] resolve(Class<?> testClass) {
	Assert.notNull(testClass, "Class must not be null");

	final Set<String> activeProfiles = new LinkedHashSet<String>();

	Class<ActiveProfiles> annotationType = ActiveProfiles.class;
	AnnotationDescriptor<ActiveProfiles> descriptor = findAnnotationDescriptor(testClass, annotationType);

	if (descriptor == null) {
		if (logger.isDebugEnabled()) {
			logger.debug(String.format(
				"Could not find an 'annotation declaring class' for annotation type [%s] and class [%s]",
				annotationType.getName(), testClass.getName()));
		}
	}
	else {
		Class<?> declaringClass = descriptor.getDeclaringClass();
		ActiveProfiles annotation = descriptor.synthesizeAnnotation();

		if (logger.isTraceEnabled()) {
			logger.trace(String.format("Retrieved @ActiveProfiles [%s] for declaring class [%s].", annotation,
				declaringClass.getName()));
		}

		for (String profile : annotation.profiles()) {
			if (StringUtils.hasText(profile)) {
				activeProfiles.add(profile.trim());
			}
		}
	}

	return StringUtils.toStringArray(activeProfiles);
}
 

@Override
public String[] getAliases(String name) {
	String beanName = transformedBeanName(name);
	List<String> aliases = new ArrayList<String>();
	boolean factoryPrefix = name.startsWith(FACTORY_BEAN_PREFIX);
	String fullBeanName = beanName;
	if (factoryPrefix) {
		fullBeanName = FACTORY_BEAN_PREFIX + beanName;
	}
	if (!fullBeanName.equals(name)) {
		aliases.add(fullBeanName);
	}
	String[] retrievedAliases = super.getAliases(beanName);
	for (String retrievedAlias : retrievedAliases) {
		String alias = (factoryPrefix ? FACTORY_BEAN_PREFIX : "") + retrievedAlias;
		if (!alias.equals(name)) {
			aliases.add(alias);
		}
	}
	if (!containsSingleton(beanName) && !containsBeanDefinition(beanName)) {
		BeanFactory parentBeanFactory = getParentBeanFactory();
		if (parentBeanFactory != null) {
			aliases.addAll(Arrays.asList(parentBeanFactory.getAliases(fullBeanName)));
		}
	}
	return StringUtils.toStringArray(aliases);
}
 

public void destroySingletons() {
	if (logger.isDebugEnabled()) {
		logger.debug("Destroying singletons in " + this);
	}
	synchronized (this.singletonObjects) {
		this.singletonsCurrentlyInDestruction = true;
	}

	String[] disposableBeanNames;
	synchronized (this.disposableBeans) {
		disposableBeanNames = StringUtils.toStringArray(this.disposableBeans.keySet());
	}
	for (int i = disposableBeanNames.length - 1; i >= 0; i--) {
		destroySingleton(disposableBeanNames[i]);
	}

	this.containedBeanMap.clear();
	this.dependentBeanMap.clear();
	this.dependenciesForBeanMap.clear();

	synchronized (this.singletonObjects) {
		this.singletonObjects.clear();
		this.singletonFactories.clear();
		this.earlySingletonObjects.clear();
		this.registeredSingletons.clear();
		this.singletonsCurrentlyInDestruction = false;
	}
}
 

/**
 * Merge the given bean names result with the given parent result.
 * @param result the local bean name result
 * @param parentResult the parent bean name result (possibly empty)
 * @param hbf the local bean factory
 * @return the merged result (possibly the local result as-is)
 * @since 4.3.15
 */
private static String[] mergeNamesWithParent(String[] result, String[] parentResult, HierarchicalBeanFactory hbf) {
	if (parentResult.length == 0) {
		return result;
	}
	List<String> merged = new ArrayList<>(result.length + parentResult.length);
	merged.addAll(Arrays.asList(result));
	for (String beanName : parentResult) {
		if (!merged.contains(beanName) && !hbf.containsLocalBean(beanName)) {
			merged.add(beanName);
		}
	}
	return StringUtils.toStringArray(merged);
}
 

/**
 * Generate possible property alternatives for the given property and class.
 * Internally uses the {@code getStringDistance} method, which in turn uses
 * the Levenshtein algorithm to determine the distance between two Strings.
 * @param descriptors the JavaBeans property descriptors to search
 * @param maxDistance the maximum distance to accept
 */
private static String[] calculateMatches(String name, PropertyDescriptor[] descriptors, int maxDistance) {
	List<String> candidates = new ArrayList<>();
	for (PropertyDescriptor pd : descriptors) {
		if (pd.getWriteMethod() != null) {
			String possibleAlternative = pd.getName();
			if (calculateStringDistance(name, possibleAlternative) <= maxDistance) {
				candidates.add(possibleAlternative);
			}
		}
	}
	Collections.sort(candidates);
	return StringUtils.toStringArray(candidates);
}
 

@Override
public void freezeConfiguration() {
	this.configurationFrozen = true;
	this.frozenBeanDefinitionNames = StringUtils.toStringArray(this.beanDefinitionNames);
}
 

@Override
public String[] getBeanDefinitionNames() {
	return StringUtils.toStringArray(this.beans.keySet());
}
 

@Override
public String[] getAttributeNames(int scope) {
	return StringUtils.toStringArray(getAttributeMap(scope).keySet());
}
 

/**
 * Checks for presence of the {@link org.springframework.web.bind.annotation.RequestMapping}
 * annotation on the handler class and on any of its methods.
 */
@Override
protected String[] determineUrlsForHandler(String beanName) {
	ApplicationContext context = getApplicationContext();
	Class<?> handlerType = context.getType(beanName);
	RequestMapping mapping = context.findAnnotationOnBean(beanName, RequestMapping.class);
	if (mapping != null) {
		// @RequestMapping found at type level
		this.cachedMappings.put(handlerType, mapping);
		Set<String> urls = new LinkedHashSet<String>();
		String[] typeLevelPatterns = mapping.value();
		if (typeLevelPatterns.length > 0) {
			// @RequestMapping specifies paths at type level
			String[] methodLevelPatterns = determineUrlsForHandlerMethods(handlerType, true);
			for (String typeLevelPattern : typeLevelPatterns) {
				if (!typeLevelPattern.startsWith("/")) {
					typeLevelPattern = "/" + typeLevelPattern;
				}
				boolean hasEmptyMethodLevelMappings = false;
				for (String methodLevelPattern : methodLevelPatterns) {
					if (methodLevelPattern == null) {
						hasEmptyMethodLevelMappings = true;
					}
					else {
						String combinedPattern = getPathMatcher().combine(typeLevelPattern, methodLevelPattern);
						addUrlsForPath(urls, combinedPattern);
					}
				}
				if (hasEmptyMethodLevelMappings ||
						org.springframework.web.servlet.mvc.Controller.class.isAssignableFrom(handlerType)) {
					addUrlsForPath(urls, typeLevelPattern);
				}
			}
			return StringUtils.toStringArray(urls);
		}
		else {
			// actual paths specified by @RequestMapping at method level
			return determineUrlsForHandlerMethods(handlerType, false);
		}
	}
	else if (AnnotationUtils.findAnnotation(handlerType, Controller.class) != null) {
		// @RequestMapping to be introspected at method level
		return determineUrlsForHandlerMethods(handlerType, false);
	}
	else {
		return null;
	}
}
 

@Override
public String[] getPropertyNames() {
	return StringUtils.toStringArray(this.source.keySet());
}
 

@Override
public String[] getPropertyNames() {
	return StringUtils.toStringArray(this.source.getInitParameterNames());
}
 

@Override
public String[] getAttributeNames(int scope) {
	return StringUtils.toStringArray(getAttributeMap(scope).keySet());
}
 

@Override
public String[] getBeanDefinitionNames() {
	return StringUtils.toStringArray(this.beanDefinitionMap.keySet());
}
 

@Override
protected String[] childrenNamesSpi() throws BackingStoreException {
	return StringUtils.toStringArray(children.keySet());
}
 

@Override
public String[] attributeNames() {
	return StringUtils.toStringArray(this.attributes.keySet());
}
 

@Override
public String[] getPropertyNames() {
	return StringUtils.toStringArray(this.source.getInitParameterNames());
}
 

/**
 * Create a new HttpRequestMethodNotSupportedException.
 * @param method the unsupported HTTP request method
 * @param supportedMethods the actually supported HTTP methods (may be {@code null})
 */
public HttpRequestMethodNotSupportedException(String method, Collection<String> supportedMethods) {
	this(method, StringUtils.toStringArray(supportedMethods));
}