Golang gensupport.DetermineContentType函数代码示例

// Media specifies the media to upload in one or more chunks. The chunk
// size may be controlled by supplying a MediaOption generated by
// googleapi.ChunkSize. The chunk size defaults to
// googleapi.DefaultUploadChunkSize.
// At most one of Media and ResumableMedia may be set.
func (c *ArchiveInsertCall) Media(r io.Reader, options ...googleapi.MediaOption) *ArchiveInsertCall {
	opts := googleapi.ProcessMediaOptions(options)
	chunkSize := opts.ChunkSize
	r, c.mediaType_ = gensupport.DetermineContentType(r, opts.ContentType)
	c.media_, c.resumableBuffer_ = gensupport.PrepareUpload(r, chunkSize)
	return c
}

// ResumableMedia specifies the media to upload in chunks and can be
// canceled with ctx.
//
// Deprecated: use Media instead.
//
// At most one of Media and ResumableMedia may be set. mediaType
// identifies the MIME media type of the upload, such as "image/png". If
// mediaType is "", it will be auto-detected. The provided ctx will
// supersede any context previously provided to the Context method.
func (c *FilesUpdateCall) ResumableMedia(ctx context.Context, r io.ReaderAt, size int64, mediaType string) *FilesUpdateCall {
	c.ctx_ = ctx
	rdr := gensupport.ReaderAtToReader(r, size)
	rdr, c.mediaType_ = gensupport.DetermineContentType(rdr, mediaType)
	c.mediaBuffer_ = gensupport.NewMediaBuffer(rdr, googleapi.DefaultUploadChunkSize)
	c.media_ = nil
	c.mediaSize_ = size
	return c
}

// Media specifies the media to upload in one or more chunks. The chunk
// size may be controlled by supplying a MediaOption generated by
// googleapi.ChunkSize. The chunk size defaults to
// googleapi.DefaultUploadChunkSize.The Content-Type header used in the
// upload request will be determined by sniffing the contents of r,
// unless a MediaOption generated by googleapi.ContentType is
// supplied.
// At most one of Media and ResumableMedia may be set.
func (c *FilesUpdateCall) Media(r io.Reader, options ...googleapi.MediaOption) *FilesUpdateCall {
	opts := googleapi.ProcessMediaOptions(options)
	chunkSize := opts.ChunkSize
	if !opts.ForceEmptyContentType {
		r, c.mediaType_ = gensupport.DetermineContentType(r, opts.ContentType)
	}
	c.media_, c.mediaBuffer_ = gensupport.PrepareUpload(r, chunkSize)
	return c
}

// Media specifies the media to upload in a single chunk. At most one of
// Media and ResumableMedia may be set.
func (c *MediaUploadCall) Media(r io.Reader, options ...googleapi.MediaOption) *MediaUploadCall {
	opts := googleapi.ProcessMediaOptions(options)
	c.media_, c.mediaType_ = gensupport.DetermineContentType(r, opts.ContentType)
	c.protocol_ = "multipart"
	return c
}