content: /*
   * Copyright 2024 Ant Group
   *
   * 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.alipay.antchain.bridge.commons.core.sdp;
  
  import cn.hutool.core.util.HexUtil;
  import cn.hutool.core.util.ObjectUtil;
  import cn.hutool.core.util.StrUtil;
  import com.alipay.antchain.bridge.commons.exception.AntChainBridgeCommonsException;
  import com.alipay.antchain.bridge.commons.exception.CommonsErrorCodeEnum;
  import lombok.NonNull;
  import lombok.Setter;
  
  @Setter
  public class SDPMessageId {
  
      public static final SDPMessageId ZERO_MESSAGE_ID = new SDPMessageId(new byte[32]);
  
      public SDPMessageId(@NonNull String messageIdHex) {
          this(HexUtil.decodeHex(messageIdHex));
      }
  
      public SDPMessageId(byte[] messageId) {
          if (ObjectUtil.isNull(messageId)) {
              throw new AntChainBridgeCommonsException(
                      CommonsErrorCodeEnum.SDP_MESSAGE_DECODE_ERROR,
                      "message id is null"
              );
          }
          if (messageId.length != 32) {
              throw new AntChainBridgeCommonsException(
                      CommonsErrorCodeEnum.SDP_MESSAGE_DECODE_ERROR,
                      StrUtil.format("expected 32 bytes but get {}", messageId.length)
              );
          }
          this.messageId = messageId;
      }
  
      private byte[] messageId;
  
      public String toHexStr() {
          return HexUtil.encodeHexStr(this.messageId);
      }
  
      public byte[] toByte32() {
          return messageId;
      }
  }
  