You're not limited to 1MB - you're just limited to using 1MB entities. The GAEVFS link I sent you implies that it's files can span multiple entities. As Mrityunjay stated, though, large storage requires payment. See the quotas for details: http://code.google.com/appengine/docs/quotas.html
Jake On Mar 1, 12:43 pm, Valentino Hankypants <f.hirs...@gmx.at> wrote: > so i only can upload binary data up to 1 MB? > any possibility to upload binary data with GBs? > > greatz > > On 1 Mrz., 18:36, Jake <jbrooko...@cast.org> wrote: > > > Hey, > > > Saving binary data to the datastore isn't too difficult - you can just > > use a Blob type and ensure that you don't break the 1MB capacity of a > > single entity. You can see my class declaration below. The "hard" > > part is converting a file upload to a byte[] and then from a byte[] > > back into what you would consider a "downloadable" file. That > > depends, somewhat, on your implementation. For example, I use the > > Wicket architecture and all I need to do is > > > FileUpload f = fileUploadField.getFileUpload(); > > BinaryFileData b = new BinaryFileData(f.getBytes()); > > pm.makePersistent(b); > > > I presume you are not using Wicket, but some other framework. You'll > > need to look into how it handles file uploads. > > > You may also find this interesting:http://code.google.com/p/gaevfs/ > > I haven't used it, but it skips the whole byte[] thing entirely. > > > Jake > > > @PersistenceCapable(identityType = IdentityType.APPLICATION) > > public class BinaryFileData implements Serializable { > > > private static final long serialVersionUID = 1L; > > > @PrimaryKey > > @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) > > private Key key; > > > @Persistent > > private String name; > > > @Persistent > > private String mimeType; > > > @Persistent(defaultFetchGroup="true") > > private Blob data; > > > public BinaryFileData(byte[] bytes) { > > this.data = new Blob(bytes); > > } > > > public byte[] getData() { > > return data.getBytes(); > > } > > > public void setData(byte[] d) { > > this.data = new Blob(d); > > } > > > } > > > On Mar 1, 11:25 am, Valentino Hankypants <f.hirs...@gmx.at> wrote: > > > > hello together, > > > > i started working with the app engine some days ago, and now i want to > > > save some binary data (pdf, etc.) from my app (eg by clicking a > > > button) in the storage system. > > > > anybody who can help me doing this? (tutorials, etc.) > > > > greatz > > > flo -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
