org.trustedanalytics.usermanagement.users.UserRoleRequestValidator Maven / Gradle / Ivy

/**
 *  Copyright (c) 2015 Intel Corporation 
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.trustedanalytics.usermanagement.users;

import com.google.common.base.Preconditions;
import org.trustedanalytics.usermanagement.users.model.UserRolesRequest;


public class UserRoleRequestValidator {

    private UserRoleRequestValidator() {}

    public static UserRolesRequest validate(UserRolesRequest rolesRequest) {
        try {
            Preconditions.checkNotNull(rolesRequest.getRole());
            return rolesRequest;
        } catch (NullPointerException e) {
            throw new WrongUserRolesException("You cannot perform request without specified role.", e);
        } catch (IllegalArgumentException e) {
            throw new IllegalArgumentException("Role that you specyfied is not correct.", e);
        }
    }
}