Denis Andreev created CMIS-619:
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Summary: Wrong stream reading in
DotCMIS.Binding.AtomPub.AtomEntryWriter.WriteContent()
Key: CMIS-619
URL: https://issues.apache.org/jira/browse/CMIS-619
Project: Chemistry
Issue Type: Bug
Components: dotcmis
Reporter: Denis Andreev
The problem is that the method "Stream.Read() or BinaryReader.Read()" may read
less amount of bytes than the provided buffer size when the end of the stream
has not been reached yet.
For example.
The file "File1.txt" of size 30K is requested by HttpWebRequest to download
from a server and transfer it to Alfresco.
HttpWebRequest returns System.Net.ConnectStream.
The buffer size to read from stream is 65K.
In the current code the first read operation returns 4K from the stream and the
condition "while (BufferSize <= readBytes)" finishes the read cycle.
The problem can be fixed by the code below:
using (var br = new BinaryReader(stream))
{
var buffer = new byte[BufferSize];
int readBytes = 0;
while ((readBytes = br.Read(buffer, 0, BufferSize)) != 0)
{
writer.WriteBase64(buffer, 0, readBytes);
}
}
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