public Stream GetImage(string key)
{
ExceptionHelper.ThrowIfNullOrWhiteSpace(key, paramName: "key");
string query;
key = FormatKey(key, out query);
string extension;
var processors = ImageProcessor.ParseQuery(query, out extension);
if (processors.Length > 0)
{
if (String.IsNullOrWhiteSpace(extension))
{
extension = Path.GetExtension(key);
}
var formatQuery = String.Join("|", processors.Select(p => p.Arguments.ToQuery()));
if (processors.Length > 1)
{
formatQuery = new Flh.Security.MD5().Encrypt(formatQuery);
}
var currentkey = String.Format("temp/{0}@{1}", key, formatQuery);
if (!currentkey.EndsWith(extension))
{
currentkey += extension;
}
try
{
var stream = GetFile(FileId.FromFileId(currentkey));
if (stream == null)
{
using (var source = GetFile(FileId.FromFileId(key)))
{
if (source == null)
{
return(null);
}
stream = ImageProcessor.Process(source, new ImageProcessorSetting(), processors);
_OssClient.PutObject(_BucketName, currentkey, stream, new ObjectMetadata());
stream.Position = 0;
return(stream);
}
}
return(stream);
}
catch (OssException ex)
{
if (ex.ErrorCode == OssErrorCode.NoSuchKey)
{
using (var source = GetFile(FileId.FromFileId(key)))
{
var stream = ImageProcessor.Process(source, new ImageProcessorSetting(), processors);
_OssClient.PutObject(_BucketName, currentkey, stream, new ObjectMetadata());
stream.Position = 0;
return(stream);
}
}
else
{
throw ex;
}
}
}
else
{
return(GetFile(FileId.FromFileId(key)));
}
}
public Stream GetImage(string key)
{
ExceptionHelper.ThrowIfNullOrWhiteSpace(key, paramName: "key");
string query;
key = FormatKey(key, out query);
string extension;
var processors = ImageProcessor.ParseQuery(query, out extension);
if (processors.Length > 0)
{
if (String.IsNullOrWhiteSpace(extension))
extension = Path.GetExtension(key);
var formatQuery = String.Join("|", processors.Select(p => p.Arguments.ToQuery()));
if (processors.Length > 1)
formatQuery = new Flh.Security.MD5().Encrypt(formatQuery);
var currentkey = String.Format("temp/{0}@{1}", key, formatQuery);
if (!currentkey.EndsWith(extension))
currentkey += extension;
try
{
var stream = GetFile(FileId.FromFileId(currentkey));
if (stream == null)
{
using (var source = GetFile(FileId.FromFileId(key)))
{
if (source == null) return null;
stream = ImageProcessor.Process(source, new ImageProcessorSetting(), processors);
_OssClient.PutObject(_BucketName, currentkey, stream, new ObjectMetadata());
stream.Position = 0;
return stream;
}
}
return stream;
}
catch (OssException ex)
{
if (ex.ErrorCode == OssErrorCode.NoSuchKey)
{
using (var source = GetFile(FileId.FromFileId(key)))
{
var stream = ImageProcessor.Process(source, new ImageProcessorSetting(), processors);
_OssClient.PutObject(_BucketName, currentkey, stream, new ObjectMetadata());
stream.Position = 0;
return stream;
}
}
else
{
throw ex;
}
}
}
else
{
return GetFile(FileId.FromFileId( key));
}
}
