/**
* {@inheritDoc}
*
* @see org.springframework.security.access.SecurityMetadataSource#getAllConfigAttributes()
*/
public Collection<ConfigAttribute> getAllConfigAttributes() {
Set<ConfigAttribute> set = new HashSet<ConfigAttribute>();
for (MethodSecurityMetadataSource s : _methodSecurityMetadataSources) {
Collection<ConfigAttribute> attrs = s.getAllConfigAttributes();
if (attrs != null) {
set.addAll(attrs);
}
}
return set;
}
/**
* {@inheritDoc}
*
* @see org.springframework.security.access.method.MethodSecurityMetadataSource#getAttributes(
* java.lang.reflect.Method, java.lang.Class)
*/
public Collection<ConfigAttribute> getAttributes(final Method m, final Class<?> tc) {
Method method = ProxyUtils.unproxy(m);
Class<?> targetClass = ProxyUtils.unproxy(tc);
DefaultCacheKey cacheKey = new DefaultCacheKey(method, targetClass);
synchronized (_cache) {
Collection<ConfigAttribute> cached = _cache.get(cacheKey);
// Check for canonical value indicating there is no config attribute,
if (cached == NULL_CONFIG_ATTRIBUTE) {
return null;
}
if (cached != null) {
return cached;
}
// No cached value, so query the sources to find a result
Collection<ConfigAttribute> attributes = null;
for (MethodSecurityMetadataSource s : _methodSecurityMetadataSources) {
attributes = s.getAttributes(method, targetClass);
if (attributes != null && !attributes.isEmpty()) {
break;
}
}
// Put it in the cache.
if (attributes == null) {
_cache.put(cacheKey, NULL_CONFIG_ATTRIBUTE);
return null;
}
if (logger.isDebugEnabled()) {
logger.debug("Adding security method [" + cacheKey + "] with attributes " + attributes);
}
_cache.put(cacheKey, attributes);
return attributes;
}
}