Google云端硬盘:文件大小为空 [英] Google Drive: The file size is null
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问题描述
当我尝试通过Google Drive上的getFileSize()获取文件大小时,结果为空。我知道,如果文件未存储在云端硬盘中,但文件存储在云端硬盘中,结果可能为空(downloadUrl与空白不同)。
Drive lService = new Builder(new NetHttpTransport(),new JacksonFactory(),lCredential).setApplicationName(TODO)。build();
FileList files = lService.files()。list()。execute();
列表< FileDTO> lResult = new ArrayList< FileDTO>(); (文件lFile:files.getItems()){
DriveFileDTO lFileDTO = new DriveFileDTO();
lFileDTO.setName(lFile.getTitle());
lFileDTO.setMimeType(lFile.getMimeType());
lFileDTO.setSize(lFile.getFileSize()); //< - FileSize = NULL
lFileDTO.setUrl(lFile.getDownloadUrl());
lResult.add(lFileDTO);
}
您能帮我吗?
谢谢!
aGO!
解决方案
调用 getHeaders()。GetContentLength()
在HttpResponse类(代码假设 myurl
是您的网址):
HttpResponse resp = service.getRequestFactory()。buildGetRequest(new GenericUrl(myurl))。execute();
Log.v(abc,文件大小是:+ resp.getHeaders()。getContentLength());
when I try to get the file size by getFileSize() on Google Drive the result is null. I know that the result can be null when the file in not stored on Drive but the file is stored on Drive (downloadUrl is different from null).
Drive lService = new Builder(new NetHttpTransport(), new JacksonFactory(), lCredential).setApplicationName("TODO").build();
FileList files = lService.files().list().execute();
List<FileDTO> lResult = new ArrayList<FileDTO>();
for (File lFile : files.getItems()) {
DriveFileDTO lFileDTO = new DriveFileDTO();
lFileDTO.setName(lFile.getTitle());
lFileDTO.setMimeType(lFile.getMimeType());
lFileDTO.setSize(lFile.getFileSize()); // <-- FileSize = NULL
lFileDTO.setUrl(lFile.getDownloadUrl());
lResult.add(lFileDTO);
}
Can you help me?
Thanks! aGO!
解决方案
Call getHeaders().GetContentLength()
on the HttpResponse Class (code assumes myurl
is your url):
HttpResponse resp = service.getRequestFactory().buildGetRequest(new GenericUrl(myurl)).execute();
Log.v("abc","file size is : " + resp.getHeaders().getContentLength());
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