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The Spring Framework | |||||||||
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public interface InputStreamSource
Simple interface for objects that are sources for an InputStream
.
This is the base interface for Spring's more extensive Resource
interface.
For single-use streams, InputStreamResource
can be used for any
given InputStream
. Spring's ByteArrayResource
or any
file-based Resource
implementation can be used as a concrete
instance, allowing one to read the underlying content stream multiple times.
This makes this interface useful as an abstract content source for mail
attachments, for example.
InputStream
,
Resource
,
InputStreamResource
,
ByteArrayResource
Method Summary | |
---|---|
InputStream |
getInputStream()
Return an InputStream . |
Method Detail |
---|
InputStream getInputStream() throws IOException
InputStream
.
It is expected that each call creates a fresh stream.
This requirement is particularly important when you consider an API such
as JavaMail, which needs to be able to read the stream multiple times when
creating mail attachments. For such a use case, it is required
that each getInputStream()
call returns a fresh stream.
IOException
- if the stream could not be openedMimeMessageHelper.addAttachment(String, InputStreamSource)
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