Re: Posting files without writing them to disk
Thanks Thierry,
I am pretty sure I saw that doc item, but, as I mentioned, the use of
"DiskFactoryItem" kinda scared me. Thanks for the reassurance. I can rewrite
using FormDataSet if you or Jerome think that's better.
bjorn
On Oct 8, 2012, at 3:51 AM, Thierry Boileau wrote:
> Hello Bjorn,
>
> from what I see, you are following the right way (see
> http://www.restlet.org/documentation/2.1/jse/ext/org/restlet/ext/fileupload/RestletFileUpload.html#getItemIterator%28org.restlet.representation.Representation%29)
>
> Best regards,
> Thierry Boileau
> ps : there could be another way using the FormDataSet class taken from the
> org.restlet.ext.html extension. But there's something I miss about the aim of
> this class. I check with Jérôme.
>
> Hey all,
>
> I'm trying to create an endpoint on my server where users can post one or
> more large files. These files will then be processes and pushed to S3. For
> testing purposes, I am not processing and pushing to S3 yet, just calculating
> an sha1 hash and printing it to std out. The code below works, but I couldn't
> figure out how to do this without accessing classes called "FileItemStream"
> and, more ominously, "DiskFileItemFactory", so I wanted to make sure this
> code doesn't actually try to write the files to disk. I want the input stream
> to be pulling the data straight from the client. I don't see another way to
> do this.
>
> I am using org.restlet.ext.fileupload
>
> thanks!
>
> @Post("multipart")
> public Representation postFiles(Representation entity) {
> if( entity == null ) {
> return fail( Status.CLIENT_ERROR_BAD_REQUEST,
> "Multipart/form-data required" );
> }
> if( ! MediaType.MULTIPART_FORM_DATA.equals(entity.getMediaType(),
> true) ) {
> return fail( Status.CLIENT_ERROR_BAD_REQUEST,
> "Multipart/form-data required" );
> }
> DiskFileItemFactory factory = new DiskFileItemFactory();
> RestletFileUpload upload = new RestletFileUpload(factory);
> try {
> FileItemIterator fii = upload.getItemIterator(entity);
> while( fii.hasNext() ) {
> MessageDigest md =
> MessageDigest.getInstance("SHA-1");
> FileItemStream fis = fii.next();
> InputStream is = fis.openStream();
>
> while( true ) {
> byte[] input = new byte[1024];
> int amount = is.read(input);
> if( amount == -1 )
> break;
> md.update(input, 0, amount);
> }
> is.close();
>
> byte[] sha1hash = md.digest();
> System.out.println( fis.getFieldName() + " :
> " + fis.getName() + " : " + byteArray2Hex(sha1hash) );
> }
> } catch (FileUploadException e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> } catch (IOException e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> } catch (NoSuchAlgorithmException e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> }
>
>
> -
> Bjorn Roche
> http://www.xonami.com
> Audio Collaboration
> http://blog.bjornroche.com
>
> --
> http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=3016298
>
-
Bjorn Roche
http://www.xonami.com
Audio Collaboration
http://blog.bjornroche.com
--
http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=3018872
Re: Posting files without writing them to disk
Hello Bjorn,
from what I see, you are following the right way (see
http://www.restlet.org/documentation/2.1/jse/ext/org/restlet/ext/fileupload/RestletFileUpload.html#getItemIterator%28org.restlet.representation.Representation%29
)
Best regards,
Thierry Boileau
ps : there could be another way using the FormDataSet class taken from the
org.restlet.ext.html extension. But there's something I miss about the aim
of this class. I check with Jérôme.
Hey all,
>
> I'm trying to create an endpoint on my server where users can post one or
> more large files. These files will then be processes and pushed to S3. For
> testing purposes, I am not processing and pushing to S3 yet, just
> calculating an sha1 hash and printing it to std out. The code below works,
> but I couldn't figure out how to do this without accessing classes called
> "FileItemStream" and, more ominously, "DiskFileItemFactory", so I wanted to
> make sure this code doesn't actually try to write the files to disk. I want
> the input stream to be pulling the data straight from the client. I don't
> see another way to do this.
>
> I am using org.restlet.ext.fileupload
>
> thanks!
>
> @Post("multipart")
> public Representation postFiles(Representation entity) {
> if( entity == null ) {
> return fail( Status.CLIENT_ERROR_BAD_REQUEST,
> "Multipart/form-data required" );
> }
> if( ! MediaType.MULTIPART_FORM_DATA.equals(entity.getMediaType(),
> true) ) {
> return fail( Status.CLIENT_ERROR_BAD_REQUEST,
> "Multipart/form-data required" );
> }
> DiskFileItemFactory factory = new DiskFileItemFactory();
> RestletFileUpload upload = new RestletFileUpload(factory);
> try {
> FileItemIterator fii =
> upload.getItemIterator(entity);
> while( fii.hasNext() ) {
> MessageDigest md =
> MessageDigest.getInstance("SHA-1");
> FileItemStream fis = fii.next();
> InputStream is = fis.openStream();
>
> while( true ) {
> byte[] input = new byte[1024];
> int amount = is.read(input);
> if( amount == -1 )
> break;
> md.update(input, 0, amount);
> }
> is.close();
>
> byte[] sha1hash = md.digest();
> System.out.println( fis.getFieldName() + "
> : " + fis.getName() + " : " + byteArray2Hex(sha1hash) );
> }
> } catch (FileUploadException e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> } catch (IOException e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> } catch (NoSuchAlgorithmException e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> }
>
>
> -
> Bjorn Roche
> http://www.xonami.com
> Audio Collaboration
> http://blog.bjornroche.com
>
> --
>
> http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=3016298
>
--
http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=3018550
Posting files without writing them to disk
Hey all,
I'm trying to create an endpoint on my server where users can post one or more
large files. These files will then be processes and pushed to S3. For testing
purposes, I am not processing and pushing to S3 yet, just calculating an sha1
hash and printing it to std out. The code below works, but I couldn't figure
out how to do this without accessing classes called "FileItemStream" and, more
ominously, "DiskFileItemFactory", so I wanted to make sure this code doesn't
actually try to write the files to disk. I want the input stream to be pulling
the data straight from the client. I don't see another way to do this.
I am using org.restlet.ext.fileupload
thanks!
@Post("multipart")
public Representation postFiles(Representation entity) {
if( entity == null ) {
return fail( Status.CLIENT_ERROR_BAD_REQUEST,
"Multipart/form-data required" );
}
if( ! MediaType.MULTIPART_FORM_DATA.equals(entity.getMediaType(), true)
) {
return fail( Status.CLIENT_ERROR_BAD_REQUEST,
"Multipart/form-data required" );
}
DiskFileItemFactory factory = new DiskFileItemFactory();
RestletFileUpload upload = new RestletFileUpload(factory);
try {
FileItemIterator fii = upload.getItemIterator(entity);
while( fii.hasNext() ) {
MessageDigest md =
MessageDigest.getInstance("SHA-1");
FileItemStream fis = fii.next();
InputStream is = fis.openStream();
while( true ) {
byte[] input = new byte[1024];
int amount = is.read(input);
if( amount == -1 )
break;
md.update(input, 0, amount);
}
is.close();
byte[] sha1hash = md.digest();
System.out.println( fis.getFieldName() + " : "
+ fis.getName() + " : " + byteArray2Hex(sha1hash) );
}
} catch (FileUploadException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
-
Bjorn Roche
http://www.xonami.com
Audio Collaboration
http://blog.bjornroche.com
--
http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=3016298
