public synchronized Role addRole()

in extensions/torque/src/java/org/apache/turbine/services/security/torque/TorqueSecurityService.java [778:826]

41 lines of code
5 McCabe index (conditional complexity)


    public synchronized Role addRole(Role role)
        throws DataBackendException, EntityExistsException
    {
        boolean roleExists = false;

        if (StringUtils.isEmpty(role.getName()))
        {
            throw new DataBackendException("Could not create "
                                           + "a role with empty name!");
        }

        try
        {
            lockExclusive();
            roleExists = checkExists(role);
            if (!roleExists)
            {
                // add a row to the table
                Criteria criteria = RolePeerManager.buildCriteria(role);
                RolePeerManager.doInsert(criteria);
                // try to get the object back using the name as key.
                criteria = new Criteria();
                criteria.add(RolePeerManager.getNameColumn(), role.getName());
                List results = RolePeerManager.doSelect(criteria);
                if (results.size() != 1)
                {
                    throw new DataBackendException(
                        "Internal error - query returned "
                        + results.size() + " rows");
                }
                Role newRole = (Role) results.get(0);
                // add the role to system-wide cache
                getAllRoles().add(newRole);
                // return the object with correct id
                return newRole;
            }
        }
        catch (Exception e)
        {
            throw new DataBackendException("addRole(Role) failed", e);
        }
        finally
        {
            unlockExclusive();
        }
        // the only way we could get here without return/throw tirggered
        // is that the roleExists was true.
        throw new EntityExistsException("Role '" + role + "' already exists");
    }