Example usage for org.springframework.util MultiValueMap addAll

Introduction

In this page you can find the example usage for org.springframework.util MultiValueMap addAll.

Prototype

void addAll(K key, List<? extends V> values);

Source Link

Document

Add all the values of the given list to the current list of values for the given key.

Usage

From source file:org.springframework.core.io.support.SpringFactoriesLoader.java

private static Map<String, List<String>> loadSpringFactories(@Nullable ClassLoader classLoader) {
    MultiValueMap<String, String> result = cache.get(classLoader);
    if (result != null)
        return result;
    try {/* w ww  .  j  a  va 2s  .co  m*/
        Enumeration<URL> urls = (classLoader != null ? classLoader.getResources(FACTORIES_RESOURCE_LOCATION)
                : ClassLoader.getSystemResources(FACTORIES_RESOURCE_LOCATION));
        result = new LinkedMultiValueMap<>();
        while (urls.hasMoreElements()) {
            URL url = urls.nextElement();
            UrlResource resource = new UrlResource(url);
            Properties properties = PropertiesLoaderUtils.loadProperties(resource);
            for (Map.Entry<?, ?> entry : properties.entrySet()) {
                List<String> factoryClassNames = Arrays
                        .asList(StringUtils.commaDelimitedListToStringArray((String) entry.getValue()));
                result.addAll((String) entry.getKey(), factoryClassNames);
            }
        }
        cache.put(classLoader, result);
        return result;
    } catch (IOException ex) {
        throw new IllegalArgumentException(
                "Unable to load factories from location [" + FACTORIES_RESOURCE_LOCATION + "]", ex);
    }
}

---