package jnpf.dmsService;
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import jnpf.exception.DataException;
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import java.time.LocalDate;
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import java.time.ZoneId;
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import java.util.Date;
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/** 下载申请明细的时限：非负天数或 na（无截止时间）。 */
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public final class DmsDownloadDeadline {
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private DmsDownloadDeadline() { }
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public static Date resolve(String value, String detailId) {
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if (value == null || value.trim().isEmpty()) {
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throw new DataException("文件下载明细下载时限(xiazai_shixian)不能为空");
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}
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String normalized = value.trim();
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if ("na".equalsIgnoreCase(normalized)) return null;
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int days;
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try {
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days = Integer.parseInt(normalized);
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} catch (NumberFormatException exception) {
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throw new DataException("文件下载时限(xiazai_shixian)必须是na或非负整数：" + detailId);
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}
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if (days < 0) {
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throw new DataException("文件下载时限(xiazai_shixian)必须是na或非负整数：" + detailId);
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}
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return Date.from(LocalDate.now(ZoneId.of("Asia/Shanghai")).plusDays(days)
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.atTime(23, 59, 59).atZone(ZoneId.of("Asia/Shanghai")).toInstant());
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}
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}
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