public AbstractDownload(Uri url, int bufferSize, long?offset, long?maxReadBytes, ISDRequestBuilder requestBuilder, ISDChecker downloadChecker)
{
if (url == null)
{
throw new ArgumentNullException("url");
}
if (bufferSize < 0)
{
throw new ArgumentException("bufferSize < 0");
}
if (offset.HasValue && offset.Value < 0)
{
throw new ArgumentException("offset < 0");
}
if (maxReadBytes.HasValue && maxReadBytes.Value < 0)
{
throw new ArgumentException("maxReadBytes < 0");
}
this.url = url;
this.bufferSize = bufferSize;
this.offset = offset;
this.maxReadBytes = maxReadBytes;
this.requestBuilder = requestBuilder;
this.downloadChecker = downloadChecker;
this.state = SDState.Initialized;
}
public virtual void Start()
{
lock (this.monitor)
{
if (this.state != SDState.Initialized)
{
throw new InvalidOperationException("Invalid state: " + this.state);
}
this.state = SDState.Running;
}
this.OnStart();
}
