io.github.panxiaochao.captcha.enums.MathSymbol Maven / Gradle / Ivy
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/*
* Copyright (c) 2019-2029, Dreamlu 卢春梦 ([email protected] & www.dreamlu.net).
*
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.gnu.org/licenses/lgpl.html
*
* 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 io.github.panxiaochao.captcha.enums;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
/**
* 标识符
*
* @author L.cm
*/
@Getter
@RequiredArgsConstructor
public enum MathSymbol {
/**
* 加法
*/
ADD("+", false),
/**
* 减发
*/
SUB("-", false),
/**
* 乘法
*/
MUL("x", true);
/**
* 算数符号
*/
private final String symbol;
/**
* 是否优先计算
*/
private final boolean priority;
public static MathSymbol of(String c) {
for (MathSymbol value : values()) {
if (value.symbol.equals(c)) {
return value;
}
}
throw new IllegalArgumentException("不支持的标识符，仅仅支持(+、-、×、÷)");
}
}