generated from mingliqiye/lib-tem
minglipro
450b4e1a93
- 添加ByteArray.toHexString和String.toHexByteArray扩展函数 - 实现多种数组类型的copyTo和copyFrom扩展方法 - 在AutoConfiguration中集成I18N国际化功能 - 添加AutoService注解及处理器用于自动服务注册 - 新增BadGatewayException HTTP状态异常类 - 更新启动横幅格式并添加国际化文本支持
69 lines
2.2 KiB
Kotlin
69 lines
2.2 KiB
Kotlin
/*
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* Copyright 2026 mingliqiye
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* ProjectName mingli-utils
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* ModuleName mingli-utils.main
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* CurrentFile Base10.kt
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* LastUpdate 2026-02-08 03:08:10
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* UpdateUser MingLiPro
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*/
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package com.mingliqiye.utils.base
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import java.math.BigInteger
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internal class Base10 : BaseCodec {
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/**
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* 将字节数组编码为Base10字符串（十进制）
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*
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* @param bytes 需要编码的字节数组
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* @return 编码后的Base10字符串（十进制数字）
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*/
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override fun encode(bytes: ByteArray): String {
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if (bytes.isEmpty()) return "0"
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// 将字节数组转换为正的大整数
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val bigInt = BigInteger(1, bytes) // 参数1表示正数
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return bigInt.toString(10) // 转换为10进制字符串
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}
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/**
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* 将Base10字符串解码为字节数组
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*
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* @param string 需要解码的Base10字符串（十进制数字）
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* @return 解码后的字节数组
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*/
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override fun decode(string: String): ByteArray {
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// 验证输入是否为有效的十进制数字
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if (!string.matches(Regex("\\d+"))) {
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throw IllegalArgumentException("Base10字符串只能包含数字0-9")
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}
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val bigInt = BigInteger(string, 10) // 从10进制解析
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// 转换为字节数组，并确保保留前导零
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var byteArray = bigInt.toByteArray()
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// BigInteger.toByteArray() 可能会添加一个符号字节
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// 对于正数，如果第一个字节是0，需要移除它
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if (byteArray.isNotEmpty() && byteArray[0] == 0.toByte()) {
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byteArray = byteArray.copyOfRange(1, byteArray.size)
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}
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return byteArray
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}
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}
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