public static List<String> loadFactoryNames(Class<?> factoryClass, ClassLoader classLoader) {
String factoryClassName = factoryClass.getName();
try {
List<String> result = new ArrayList<String>();
Enumeration<URL> urls = classLoader.getResources(FACTORIES_RESOURCE_LOCATION);
while (urls.hasMoreElements()) {
URL url = urls.nextElement();
Properties properties = PropertiesLoaderUtils.loadProperties(new UrlResource(url));
String factoryClassNames = properties.getProperty(factoryClassName);
result.addAll(
Arrays.asList(StringUtils.commaDelimitedListToStringArray(factoryClassNames)));
}
return result;
} catch (IOException ex) {
throw new IllegalArgumentException(
"Unable to load ["
+ factoryClass.getName()
+ "] factories from location ["
+ FACTORIES_RESOURCE_LOCATION
+ "]",
ex);
}
}
/**
* Create a PropertySource based on Properties loaded from the given resource. The name of the
* PropertySource will be generated based on the {@link Resource#getDescription() description} of
* the given resource.
*/
public ResourcePropertySource(Resource resource) throws IOException {
super(
getNameForResource(resource),
PropertiesLoaderUtils.loadProperties(new EncodedResource(resource)));
this.resourceName = null;
}
/**
* Create a PropertySource having the given name based on Properties loaded from the given encoded
* resource.
*/
public ResourcePropertySource(String name, Resource resource) throws IOException {
super(name, PropertiesLoaderUtils.loadProperties(new EncodedResource(resource)));
this.resourceName = getNameForResource(resource);
}
