public boolean hasPermission()

in src/java/org/apache/turbine/util/SecurityCheck.java [204:257]
42 lines of code
7 McCabe index (conditional complexity)

    public boolean hasPermission(String permission)
            throws Exception
    {
        Permission permissionObject = null;
        try
        {
            permissionObject = securityService.getPermissionManager().getPermissionByName(permission);
        }
        catch (UnknownEntityException e)
        {
            if(initialize)
            {
                permissionObject = securityService.getPermissionManager().getPermissionInstance(permission);
                securityService.getPermissionManager().addPermission(permissionObject);

                Role role = null;
                TurbineAccessControlList<?> acl = data.getACL();
                RoleSet roles = acl.getRoles();
                if(roles.size() > 0)
                {
					role = roles.toArray(new Role[0])[0];
				}

                if(role == null)
                {
                    /*
                     * The User within data has no roles yet, let us grant the permission
                     * to the first role available through SecurityService.
                     */
                    roles = securityService.getRoleManager().getAllRoles();
                    if(roles.size() > 0)
                    {
						role = roles.toArray(new Role[0])[0];
					}
                }

                if(role != null)
                {
                    /*
                     * If we have no role, there is nothing we can do about it. So only grant it,
                     * if we have a role to grant it to.
                     */
                    TurbineModelManager modelManager = (TurbineModelManager)securityService.getModelManager();
                    modelManager.grant(role, permissionObject);
                }
            }
            else
            {
                throw(e);
            }
        }

        return hasPermission(permissionObject);
    }