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package com.yau.digitalrmb.institutionidentity.domain;
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import java.math.BigDecimal;
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public class CurrencyGenerationRequest {
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public enum Status {
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PREPARED, CONCATENATED, DIGESTED, SIGNED, PACKAGED, SENT, RECEIVED
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}
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private final Long id;
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private long identifierApplicationId;
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private String institutionIdentifier;
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private String fullInstitutionIdentifier;
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private BigDecimal amount;
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private String deliveryNodeCode;
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private String requestTimestamp;
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private String requestOriginalText;
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private String requestDigest;
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private String bankSignature;
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private String signingKeyId;
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private String requestMessage;
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private Status status;
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private CurrencyGenerationRequest(Long id, long identifierApplicationId, String institutionIdentifier,
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String fullInstitutionIdentifier, BigDecimal amount, String deliveryNodeCode,
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String requestTimestamp, String requestOriginalText, String requestDigest,
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String bankSignature, String signingKeyId, String requestMessage, Status status) {
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this.id = id;
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this.identifierApplicationId = identifierApplicationId;
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this.institutionIdentifier = institutionIdentifier;
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this.fullInstitutionIdentifier = fullInstitutionIdentifier;
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this.amount = amount;
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this.deliveryNodeCode = deliveryNodeCode;
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this.requestTimestamp = requestTimestamp;
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this.requestOriginalText = requestOriginalText;
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this.requestDigest = requestDigest;
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this.bankSignature = bankSignature;
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this.signingKeyId = signingKeyId;
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this.requestMessage = requestMessage;
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this.status = status;
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}
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public static CurrencyGenerationRequest prepare(long identifierApplicationId, String institutionIdentifier,
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String fullInstitutionIdentifier, BigDecimal amount,
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String deliveryNodeCode, String requestTimestamp) {
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if (identifierApplicationId <= 0) {
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throw new IllegalArgumentException("机构标识申请编号必须大于0");
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}
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if (institutionIdentifier == null || !institutionIdentifier.matches("ORG_[0-9A-F]{12}")) {
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throw new IllegalArgumentException("简洁机构标识格式不正确");
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}
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if (fullInstitutionIdentifier == null || !fullInstitutionIdentifier.matches("[0-9A-F]{64}")) {
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throw new IllegalArgumentException("完整机构标识格式不正确");
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}
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if (amount == null || amount.compareTo(new BigDecimal("0.00")) <= 0
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|| amount.compareTo(new BigDecimal("50000.00")) > 0) {
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throw new IllegalArgumentException("申请金额必须大于0且不超过50000.00元");
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}
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if (!"SYS_DC_001".equals(deliveryNodeCode) && !"SYS_DC_002".equals(deliveryNodeCode)) {
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throw new IllegalArgumentException("投放节点编号不在允许范围内");
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}
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if (requestTimestamp == null || !requestTimestamp.matches("\\d{14}")) {
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throw new IllegalArgumentException("请求时间戳格式不正确");
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}
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BigDecimal normalizedAmount = amount.setScale(2);
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String originalText = institutionIdentifier + "|" + normalizedAmount.toPlainString() + "|"
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+ deliveryNodeCode + "|" + requestTimestamp;
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return new CurrencyGenerationRequest(null, identifierApplicationId, institutionIdentifier,
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fullInstitutionIdentifier, normalizedAmount, deliveryNodeCode, requestTimestamp,
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originalText, null, null, null, null, Status.CONCATENATED);
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}
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public static CurrencyGenerationRequest restore(Long id, long identifierApplicationId,
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String institutionIdentifier, String fullInstitutionIdentifier,
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BigDecimal amount, String deliveryNodeCode, String requestTimestamp,
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String requestOriginalText, String requestDigest,
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String bankSignature, String signingKeyId,
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String requestMessage, Status status) {
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return new CurrencyGenerationRequest(id, identifierApplicationId, institutionIdentifier,
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fullInstitutionIdentifier, amount, deliveryNodeCode, requestTimestamp, requestOriginalText,
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requestDigest, bankSignature, signingKeyId, requestMessage, status);
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}
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public void concatenate() {
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requireStatus(Status.PREPARED, "当前步骤不是请求原文拼接，不能操作");
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requestOriginalText = institutionIdentifier + "|" + amount.toPlainString() + "|"
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+ deliveryNodeCode + "|" + requestTimestamp;
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status = Status.CONCATENATED;
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}
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public void replaceDigestInput(long identifierApplicationId, String institutionIdentifier,
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String fullInstitutionIdentifier, BigDecimal amount,
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String deliveryNodeCode, String requestTimestamp, String digest) {
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CurrencyGenerationRequest replacement = prepare(identifierApplicationId, institutionIdentifier,
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fullInstitutionIdentifier, amount, deliveryNodeCode, requestTimestamp);
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if (digest == null || !digest.matches("[0-9A-F]{64}")) {
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throw new IllegalArgumentException("SM3摘要格式不正确");
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}
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this.identifierApplicationId = replacement.identifierApplicationId;
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this.institutionIdentifier = replacement.institutionIdentifier;
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this.fullInstitutionIdentifier = replacement.fullInstitutionIdentifier;
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this.amount = replacement.amount;
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this.deliveryNodeCode = replacement.deliveryNodeCode;
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this.requestTimestamp = replacement.requestTimestamp;
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this.requestOriginalText = replacement.requestOriginalText;
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this.requestDigest = digest;
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this.bankSignature = null;
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this.signingKeyId = null;
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this.requestMessage = null;
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this.status = Status.DIGESTED;
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}
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public void recordDigest(String digest) {
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requireStatus(Status.CONCATENATED, "当前步骤不是SM3摘要计算，不能操作");
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if (digest == null || !digest.matches("[0-9A-F]{64}")) {
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throw new IllegalArgumentException("SM3摘要格式不正确");
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}
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requestDigest = digest;
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status = Status.DIGESTED;
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}
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public void recordSignature(String keyId, String signature) {
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if (requestDigest == null) {
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throw new IllegalStateException("请先完成SM3摘要计算");
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}
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if (keyId == null || signature == null || !signature.matches("[0-9A-F]+")) {
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throw new IllegalArgumentException("SM2签名信息不正确");
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}
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signingKeyId = keyId;
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bankSignature = signature;
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requestMessage = null;
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status = Status.SIGNED;
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}
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public void packageMessage(String message) {
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if (bankSignature == null) {
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throw new IllegalStateException("请先完成商业银行签名");
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}
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if (message == null || message.trim().isEmpty()) {
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throw new IllegalArgumentException("请求报文不能为空");
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}
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requestMessage = message;
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status = Status.PACKAGED;
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}
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public void send() {
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if (requestMessage == null) {
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throw new IllegalStateException("请先完成请求报文组装");
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}
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status = Status.SENT;
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}
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public void receive() {
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if (requestMessage == null) {
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throw new IllegalStateException("央行只能接收已发送的请求");
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}
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status = Status.RECEIVED;
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}
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private void requireStatus(Status expected, String message) {
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if (status != expected) {
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throw new IllegalStateException(message + "，当前状态：" + status.name());
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}
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}
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public Long getId() { return id; }
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public long getIdentifierApplicationId() { return identifierApplicationId; }
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public String getInstitutionIdentifier() { return institutionIdentifier; }
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public String getFullInstitutionIdentifier() { return fullInstitutionIdentifier; }
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public BigDecimal getAmount() { return amount; }
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public String getDeliveryNodeCode() { return deliveryNodeCode; }
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public String getRequestTimestamp() { return requestTimestamp; }
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public String getRequestOriginalText() { return requestOriginalText; }
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public String getRequestDigest() { return requestDigest; }
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public String getBankSignature() { return bankSignature; }
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public String getSigningKeyId() { return signingKeyId; }
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public String getRequestMessage() { return requestMessage; }
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public Status getStatus() { return status; }
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}
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