org.openlmis.fulfillment.web.validator.BaseValidator.java Source code

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Here is the source code for org.openlmis.fulfillment.web.validator.BaseValidator.java

Source

/*
 * This program is part of the OpenLMIS logistics management information system platform software.
 * Copyright  2017 VillageReach
 *
 * This program is free software: you can redistribute it and/or modify it under the terms
 * of the GNU Affero General Public License as published by the Free Software Foundation, either
 * version 3 of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details. You should have received a copy of
 * the GNU Affero General Public License along with this program. If not, see
 * http://www.gnu.org/licenses. For additional information contact info@OpenLMIS.org.
 */

package org.openlmis.fulfillment.web.validator;

import static org.apache.commons.lang3.StringUtils.isBlank;
import static org.openlmis.fulfillment.i18n.MessageKeys.MUST_BE_GREATER_THAN_OR_EQUAL_TO_ZERO;
import static org.openlmis.fulfillment.i18n.MessageKeys.MUST_CONTAIN_VALUE;

import org.openlmis.fulfillment.i18n.MessageService;
import org.openlmis.fulfillment.util.Message;
import org.springframework.beans.factory.annotation.Autowired;
import java.util.List;

abstract class BaseValidator {

    @Autowired
    private MessageService messageService;

    void rejectIfNull(List<Message.LocalizedMessage> errors, Object value, String field) {
        if (null == value) {
            errors.add(getErrorMessage(MUST_CONTAIN_VALUE, field));
        }
    }

    void rejectIfLessThanZero(List<Message.LocalizedMessage> errors, Number value, String field) {
        if (null == value) {
            errors.add(getErrorMessage(MUST_CONTAIN_VALUE, field));
        } else if (value.doubleValue() < 0) {
            errors.add(getErrorMessage(MUST_BE_GREATER_THAN_OR_EQUAL_TO_ZERO, field));
        }
    }

    void rejectIfBlank(List<Message.LocalizedMessage> errors, String value, String field) {
        if (isBlank(value)) {
            errors.add(getErrorMessage(MUST_CONTAIN_VALUE, field));
        }
    }

    private Message.LocalizedMessage getErrorMessage(String key, Object... params) {
        return messageService.localize(new Message(key, params));
    }

}