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feat: 添加网络状态详细错误

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Signed-off-by: 502647092 <admin@yumc.pw>
This commit is contained in:
502647092
2016-08-16 12:27:46 +08:00
parent adea1e58e0
commit 887919552d
1 changed files with 11 additions and 0 deletions
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11
src/main/java/pw/yumc/Yum/managers/DownloadManager.java
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@@ -149,6 +149,17 @@ public class DownloadManager {
sender.sendMessage("§6开始下载: §3" + getFileName(url));
sender.sendMessage("§6下载地址: §3" + url.toString());
final URLConnection uc = reload(sender, url.openConnection());
final int status = ((HttpURLConnection) uc).getResponseCode();
if (status != HttpURLConnection.HTTP_OK) {
switch (status) {
case HttpURLConnection.HTTP_NOT_FOUND:
throw new IllegalStateException(status + " 文件未找到!");
case HttpURLConnection.HTTP_FORBIDDEN:
throw new IllegalStateException(status + " 服务器拒绝了访问!");
case HttpURLConnection.HTTP_BAD_GATEWAY:
throw new IllegalStateException(status + " 无效的网关!");
}
}
final int fileLength = uc.getContentLength();
if (fileLength < 0) {
sender.sendMessage("§6下载: §c文件 " + file.getName() + " 获取长度错误(可能是网络问题)!");