com.alilitech.mybatis.jpa.domain.Direction Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of mybatis-jpa Show documentation

The newest version!

/*
 *    Copyright 2017-2022 the original author or authors.
 *
 *    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 com.alilitech.mybatis.jpa.domain;

import java.util.Locale;

public enum Direction {

    ASC, DESC;

    public static Direction fromString(String value) {

        try {
            return Direction.valueOf(value.toUpperCase(Locale.US));
        } catch (Exception e) {
            throw new IllegalArgumentException(String.format(
                    "Invalid value '%s' for orders given! Has to be either 'desc' or 'asc' (case insensitive).", value), e);
        }
    }

    public static Direction fromStringOrNull(String value) {

        try {
            return fromString(value);
        } catch (IllegalArgumentException e) {
            return null;
        }
    }

    public String toMethodNameString() {
        if(this == ASC) {
            return "Asc";
        } else {
            return "Desc";
        }
    }

}