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From Rick Curtis <curti...@gmail.com>
Subject Re: Encryption and Decryption
Date Mon, 11 Jul 2011 14:27:11 GMT
Saibabu -

I'll put together a small example of how to use @Externalizer / @Factory
with JASYPT sometime here this morning.

Thanks,
Rick

On Mon, Jul 11, 2011 at 7:58 AM, Saibabu Vallurupalli <
saibabu.vallurupalli@gmail.com> wrote:

> Hi Pinaki,
>
> Good morning.
> I tried the approach of using @Externalizer annotation as below and got an
> error says @Externalizer can be only used for methods not for fields. Then
> I
> have gone through the documentation and found I should be using
> @ExternalValues and after using I started getting error as below:
>
> ***********
> Caused by: <openjpa-2.1.0-r422266:1071316 fatal user error>
> org.apache.openjpa.p
> ersistence.ArgumentException: The field
> "org.apache.james.mailbox.jpa.mail.model
> .openjpa.JPAMessage.body" cannot use the external-values property. External
> valu
> es can only be declared for fields of primitives, primitive wrappers, or
> strings
> .
>        at
> org.apache.openjpa.meta.FieldMetaData.transform(FieldMetaData.java:15
> 38)
> **********
>
> Can you please advise me where I am going wrong.
>
> Thank you,
> Sai
>
> On Fri, Jul 8, 2011 at 4:57 PM, pvalluri <saibabu.vallurupalli@gmail.com
> >wrote:
>
> > Hi Pinaki,
> >
> > Yes, This is really easy and cool. I am still in process of setting up my
> > development environment for James to add this annotation in my class and
> a
> > question popped up in my mind.
> > Just adding annotation will take care of both Encryption/Decryption. I
> > don't
> > have to do anything else :-)
> > Can't believe, Thanks so much for suggesting this solution.
> >
> > I have a class with filed declared as shown below:
> > *********
> > public class JPAMessage extends AbstractJPAMessage {
> >
> >    /** The value for the body field. Lazy loaded */
> >    /** We use a max length to represent 1gb data. Thats prolly overkill,
> > but who knows */
> >     @Externalizer
> >     @Basic(optional = false, fetch = FetchType.LAZY)
> >    @Column(name = "MAIL_BYTES", length = 1048576000, nullable = false)
> >    @Lob private byte[] body;
> >
> > // methods related to this class getter and creator...here...
> > }
> > ********
> > Is this the correct way of doing it. Sorry for asking the same question
> > again. I am very new to OpenJPA and this has become real critical for us.
> >
> > Thank you very much in advance.
> >
> > Thanks, Sai.
> >
> >
>



-- 
*Rick Curtis*

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