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refactor: address code review - extract constants, improve logging

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- Extract Pattern constants as static final fields
- Extract PAGE_SIZE constant for API pagination
- Add logging for NumberFormatException in file size parsing

Agent-Logs-Url: https://github.com/qaiu/netdisk-fast-download/sessions/56418d09-a396-40cf-a080-c71e4a69c323

Co-authored-by: qaiu <29825328+qaiu@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
2026-04-18 08:46:06 +00:00
committed by GitHub
parent c401a84eb8
commit e79478c421
1 changed files with 22 additions and 5 deletions
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27
parser/src/main/java/cn/qaiu/parser/impl/FsTool.java
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@@ -45,12 +45,27 @@ public class FsTool extends PanBase {
0, 2, 22, 44, 3, 30, 8, 11, 12, 84, 123, 124
};
/** 每页返回条目数 */
private static final int PAGE_SIZE = 50;
/**
* 从分享链接中提取 tenant 的正则
*/
private static final Pattern TENANT_PATTERN =
Pattern.compile("https://([^.]+)\\.feishu\\.cn/");
/** 解析 Content-Disposition: filename*=UTF-8''xxx */
private static final Pattern CD_FILENAME_STAR_PATTERN =
Pattern.compile("filename\\*=UTF-8''(.+?)(?:;|$)");
/** 解析 Content-Disposition: filename="xxx" 或 filename=xxx */
private static final Pattern CD_FILENAME_PATTERN =
Pattern.compile("filename=\"?([^\";]+)\"?");
/** 解析 Content-Range 中的总大小 */
private static final Pattern CONTENT_RANGE_SIZE_PATTERN =
Pattern.compile("/(\\d+)");
public FsTool(ShareLinkInfo shareLinkInfo) {
super(shareLinkInfo);
}
@@ -226,7 +241,8 @@ public class FsTool extends PanBase {
StringBuilder urlBuilder = new StringBuilder();
urlBuilder.append(baseUrl)
.append("/space/api/explorer/v3/children/list/")
.append("?length=50&asc=1&rank=5&token=").append(folderToken);
.append("?length=").append(PAGE_SIZE)
.append("&asc=1&rank=5&token=").append(folderToken);
for (int type : LIST_OBJ_TYPES) {
urlBuilder.append("&obj_type=").append(type);
@@ -289,7 +305,8 @@ public class FsTool extends PanBase {
long size = Long.parseLong(
extra.getString("size", "0"));
fileInfo.setSize(size);
} catch (NumberFormatException ignored) {
} catch (NumberFormatException e) {
log.warn("无法解析文件大小: {}", extra.getString("size"), e);
}
fileInfo.setParserUrl(
@@ -368,7 +385,7 @@ public class FsTool extends PanBase {
if (cd == null || cd.isEmpty()) return null;
// 优先解析 filename*=UTF-8''xxx
Matcher m1 = Pattern.compile("filename\\*=UTF-8''(.+?)(?:;|$)").matcher(cd);
Matcher m1 = CD_FILENAME_STAR_PATTERN.matcher(cd);
if (m1.find()) {
try {
return URLDecoder.decode(m1.group(1).trim(), StandardCharsets.UTF_8);
@@ -377,7 +394,7 @@ public class FsTool extends PanBase {
}
// 降级解析 filename="xxx" 或 filename=xxx
Matcher m2 = Pattern.compile("filename=\"?([^\";]+)\"?").matcher(cd);
Matcher m2 = CD_FILENAME_PATTERN.matcher(cd);
if (m2.find()) {
try {
return URLDecoder.decode(m2.group(1).trim(), StandardCharsets.UTF_8);
@@ -390,7 +407,7 @@ public class FsTool extends PanBase {
private void parseSizeFromContentRange(String cr, FileInfo fileInfo) {
if (cr != null) {
Matcher m = Pattern.compile("/(\\d+)").matcher(cr);
Matcher m = CONTENT_RANGE_SIZE_PATTERN.matcher(cr);
if (m.find()) {
fileInfo.setSize(Long.parseLong(m.group(1)));
}