/// <summary>
/// Converts a <code>FileChecksum</code> object into a JSON array
/// object.
/// </summary>
/// <param name="checksum">file checksum.</param>
/// <returns>The JSON representation of the file checksum.</returns>
private static IDictionary FileChecksumToJSON(FileChecksum checksum)
{
IDictionary json = new LinkedHashMap();
json[HttpFSFileSystem.ChecksumAlgorithmJson] = checksum.GetAlgorithmName();
json[HttpFSFileSystem.ChecksumBytesJson] = StringUtils.ByteToHexString(checksum.GetBytes
());
json[HttpFSFileSystem.ChecksumLengthJson] = checksum.GetLength();
IDictionary response = new LinkedHashMap();
response[HttpFSFileSystem.FileChecksumJson] = json;
return(response);
}
/// <exception cref="System.IO.IOException"/>
protected internal override void ProcessPath(PathData item)
{
if (item.stat.IsDirectory())
{
throw new PathIsDirectoryException(item.ToString());
}
FileChecksum checksum = item.fs.GetFileChecksum(item.path);
if (checksum == null)
{
@out.Printf("%s\tNONE\t%n", item.ToString());
}
else
{
string checksumString = StringUtils.ByteToHexString(checksum.GetBytes(), 0, checksum
.GetLength());
@out.Printf("%s\t%s\t%s%n", item.ToString(), checksum.GetAlgorithmName(), checksumString
);
}
}
/// <exception cref="System.Exception"/>
private void TestChecksum()
{
if (!IsLocalFS())
{
FileSystem fs = FileSystem.Get(GetProxiedFSConf());
fs.Mkdirs(GetProxiedFSTestDir());
Path path = new Path(GetProxiedFSTestDir(), "foo.txt");
OutputStream os = fs.Create(path);
os.Write(1);
os.Close();
FileChecksum hdfsChecksum = fs.GetFileChecksum(path);
fs.Close();
fs = GetHttpFSFileSystem();
FileChecksum httpChecksum = fs.GetFileChecksum(path);
fs.Close();
NUnit.Framework.Assert.AreEqual(httpChecksum.GetAlgorithmName(), hdfsChecksum.GetAlgorithmName
());
NUnit.Framework.Assert.AreEqual(httpChecksum.GetLength(), hdfsChecksum.GetLength(
));
Assert.AssertArrayEquals(httpChecksum.GetBytes(), hdfsChecksum.GetBytes());
}
}