public static AllowedMethods fromValue(String allowedMethod) throws IllegalArgumentException {
for (AllowedMethods method : AllowedMethods.values()) {
String methodString = method.toString();
if (methodString == null && allowedMethod == null) return method;
if (methodString != null && methodString.equals(allowedMethod)) return method;
}
throw new IllegalArgumentException("Cannot create enum from " + allowedMethod + " value!");
}
/**
* Grants a new permission for a given subject and resource.
*
* @param subjectid the subject to give permissions to
* @param resourceName the resource name/type
* @param permission the set or HTTP methods allowed
* @return true if successful
*/
public boolean grantResourcePermission(
String subjectid, String resourceName, EnumSet<AllowedMethods> permission) {
// clean up resource name
resourceName = Utils.noSpaces(resourceName, "-");
if (!StringUtils.isBlank(subjectid)
&& !StringUtils.isBlank(resourceName)
&& permission != null
&& !permission.isEmpty()) {
if (!getResourcePermissions().containsKey(subjectid)) {
Map<String, List<String>> perm = new HashMap<String, List<String>>();
perm.put(resourceName, new ArrayList<String>(permission.size()));
for (AllowedMethods allowedMethod : permission) {
perm.get(resourceName).add(allowedMethod.toString());
}
getResourcePermissions().put(subjectid, perm);
} else {
if (permission.containsAll(AllowedMethods.ALL_VALUES)
|| permission.contains(AllowedMethods.READ_WRITE)
|| (permission.contains(AllowedMethods.READ_ONLY)
&& permission.contains(AllowedMethods.WRITE_ONLY))
|| (permission.contains(AllowedMethods.GET)
&& permission.contains(AllowedMethods.WRITE_ONLY))) {
permission = AllowedMethods.READ_AND_WRITE;
} else {
if (permission.contains(AllowedMethods.WRITE_ONLY)) {
permission = AllowedMethods.WRITE;
} else if (permission.contains(AllowedMethods.READ_ONLY)) {
permission = AllowedMethods.READ;
}
}
List<String> perm = new ArrayList<String>(permission.size());
for (AllowedMethods allowedMethod : permission) {
perm.add(allowedMethod.toString());
}
getResourcePermissions().get(subjectid).put(resourceName, perm);
}
return true;
}
return false;
}
