Readable by clojure.edn/read? I get this exception from it:
RuntimeException No dispatch macro for: =
clojure.lang.Util.runtimeException (Util.java:219)
I think I'm going to give up on this and serialize it to JSON. Should be
easier.
On Saturday, June 29, 2013 8:57:31 PM UTC-5, Baishampayan Ghose wrote:
>
> This form, by the way is readable. Not sure why the print-dup
> extension is not working though... ~BG
>
> On Sun, Jun 30, 2013 at 7:18 AM, Dave Kincaid
> <kincai...@gmail.com<javascript:>>
> wrote:
> > Hmm. No, it doesn't. This is what I get with pprint by itself:
> >
> > :headers {"pluginKey" #<ByteArrayLongString PLUGIN2>}
> >
> > with your version I get:
> >
> > :headers
> > #=(java.util.HashMap. {"pluginKey"
> > #=(com.rabbitmq.client.impl.LongStringHelper$ByteArrayLongString.
> > "PLUGIN2")})
> >
> > what I think I needs to be able to read it back in is:
> >
> > :headers {"pluginKey" "PLUGIN2"}
> >
> > On Saturday, June 29, 2013 8:41:16 PM UTC-5, Baishampayan Ghose wrote:
> >>
> >> Does this work?
> >>
> >> ;; do the defmethod extension as usual and then define spit-messages as
> >> such
> >> (defn spit-messages
> >> "Write out the messages in the given seq."
> >> [messages dest]
> >> (binding [*print-dup* true]
> >> (pprint
> >> (for [[metadata ^bytes payload] messages]
> >> {:header metadata :payload (String. payload)})
> >> dest)))
> >>
> >> ~BG
> >>
> >> On Sun, Jun 30, 2013 at 7:05 AM, Dave Kincaid <kincai...@gmail.com>
> wrote:
> >> > Thanks! If that works, it is perfect. However, my first attempt isn't
> >> > making
> >> > any difference. Here is what I have:
> >> >
> >> > (defmethod print-dup
> >> > com.rabbitmq.client.impl.LongStringHelper$ByteArrayLongString [o w]
> >> > (print-ctor o (fn [o w] (print-dup (String. (.getBytes o)) w)) w))
> >> >
> >> > (defn spit-messages
> >> > "Write out the messages in the given seq."
> >> > [messages dest]
> >> > (print-dup
> >> > (for [[metadata ^bytes payload] messages]
> >> > {:header metadata :payload (String. payload)})
> >> > dest))
> >> >
> >> > but it still prints it out to the file with #<ByteArrayLongString
> >> > PLUGIN2>.
> >> > Did I miss something?
> >> >
> >> > On Saturday, June 29, 2013 8:14:49 PM UTC-5, Baishampayan Ghose
> wrote:
> >> >>
> >> >> Adding a method to the `print-dup` multimethod that dispatches on
> >> >> ByteArrayLongString should help. See here for an example -
> >> >> http://clojuredocs.org/clojure_core/clojure.core/print-dup ~BG
> >> >>
> >> >> On Sun, Jun 30, 2013 at 5:47 AM, Dave Kincaid <kincai...@gmail.com>
> >> >> wrote:
> >> >> > I'm using pprint to write out a map to a file then trying to read
> it
> >> >> > back in
> >> >> > using clojure.edn/read (I also get the same error using read).
> Here
> >> >> > is
> >> >> > the
> >> >> > output (it's a map that was created by the Langohr rabbitmq
> library):
> >> >> >
> >> >> > {:header
> >> >> > {:timestamp #inst "2058-04-07T17:56:17.000-00:00",
> >> >> > :delivery-tag 2,
> >> >> > :expiration nil,
> >> >> > :correlation-id nil,
> >> >> > :delivery-mode 1,
> >> >> > :app-id nil,
> >> >> > :user-id nil,
> >> >> > :redelivery? true,
> >> >> > :header {:headers ()},
> >> >> > :content-type nil,
> >> >> > :persistent? false,
> >> >> > :reply-to nil,
> >> >> > :routing-key "pims_data_capture",
> >> >> > :headers {"pluginKey" #<ByteArrayLongString PLUGIN2>},
> >> >> > :type nil,
> >> >> > :message-id nil,
> >> >> > :cluster-id nil,
> >> >> > :message-count 3,
> >> >> > :exchange "",
> >> >> > :content-encoding nil,
> >> >> > :priority nil},
> >> >> > :payload
> >> >> > "{\"software\":\"CSTONE\",\"entity\":\"\","}
> >> >> >
> >> >> > when I try to read it in I get an UnreadableForm exception. I've
> >> >> > narrowed it
> >> >> > down to the #<ByteArrayLongString PLUGIN2> element. If I manually
> >> >> > change
> >> >> > that to just a regular string I can read it. What is the idiomatic
> >> >> > way
> >> >> > to
> >> >> > handle this noting that there could be a number of different
> values
> >> >> > in
> >> >> > that
> >> >> > :headers map.
> >> >> >
> >> >> > --
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> >> >> --
> >> >> Baishampayan Ghose
> >> >> b.ghose at gmail.com
> >> >
> >> > --
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> >> Baishampayan Ghose
> >> b.ghose at gmail.com
> >
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> --
> Baishampayan Ghose
> b.ghose at gmail.com
>
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