/**
* 获取子级权限
*
* @param permissions
* @param parentId
* @return
*/
public static List<Map<String, Object>> getChildrenPermissions(
List<Permission> permissions,
Integer parentId,
Set<Integer> checkedPermissionIdSet,
List<Integer> childrenIdList) {
List<Map<String, Object>> mapList = new ArrayList<Map<String, Object>>();
for (Permission permission : permissions) {
if ((parentId == null && permission.getParentId() == null)
|| (parentId != null
&& permission.getParentId() != null
&& permission.getParentId().intValue() == parentId.intValue())) {
if (childrenIdList == null || !childrenIdList.contains(permission.getId())) {
Map<String, Object> map = new HashMap<String, Object>();
map.put("id", permission.getId());
map.put("text", permission.getName());
map.put("key", permission.getKey());
map.put(
"checked",
checkedPermissionIdSet == null
? false
: checkedPermissionIdSet.contains(permission.getId()));
map.put("order", permission.getOrder());
map.put(
"children",
getChildrenPermissions(
permissions, permission.getId(), checkedPermissionIdSet, childrenIdList));
mapList.add(map);
}
}
}
return mapList;
}
/**
* 获取子级权限id集合
*
* @param parentId
* @param permissions
* @return
*/
public static List<Integer> getChildrenPermissionIds(
Integer parentId, List<Permission> permissions) {
List<Integer> list = new ArrayList<Integer>();
for (Permission permission : permissions) {
if ((parentId == null && permission.getParentId() == null)
|| (parentId != null
&& permission.getParentId() != null
&& parentId.intValue() == permission.getParentId().intValue())) {
list.add(permission.getId());
list.addAll(getChildrenPermissionIds(permission.getId(), permissions));
}
}
return list;
}
/**
* 获取根权限
*
* @param permissionList
* @return
*/
private List<Permission> getRootPermissions(List<Permission> permissionList) {
List<Permission> rootPermissions = new ArrayList<Permission>();
for (Permission permission : permissionList) {
// 如果父级id是null
if (permission.getParentId() == null) {
rootPermissions.add(permission);
continue;
}
Permission parentPermission =
permissionDao.get(permissionList, permission.getParentId().intValue());
if (parentPermission == null) {
rootPermissions.add(permission);
}
}
return rootPermissions;
}