Currently StorageProvider defines a method to create a Storage object
from an InputStream because an InputStream is what you get from
ContentHandler.
But many libraries provide some kind of mechanism to write a document
to an OutputStream. iText's PdfWriter would be one example. Writing an
XML document with LSSerializer/LSWriter would be another. Even Mime4j
has a writeTo() method declared in Body.
So what if I wanted to create an e-mail attachment from one of these
documents? Currently I'd have to write to a file or a
ByteArrayOutputStream and then create a Storage by reading back the
content. Clearly inefficient..
So I propose to add OutputStream support to StorageProvider. Here's
what it could look like:
SomeDocument doc = ...;
StorageProvider sp = DefaultStorageProvider.getInstance();
StorageOutputStream out = sp.createStorageOutputStream();
doc.writeTo(out);
Storage storage = out.toStorage();
Then I would add methods to BodyFactory to create text or binary
bodies directly from a Storage object..
I could implement this on the weekend..
Markus
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