On Tue, Jul 2, 2013 at 6:14 PM, Matthias Wessendorf <matzew(a)apache.org>wrote:
On Tue, Jul 2, 2013 at 5:57 PM, Summers Pittman <supittma(a)redhat.com>wrote:
> On 07/02/2013 09:13 AM, Sebastien Blanc wrote:
>
> Hi Folks,
> As you know we have a Java Sender Library that can be used by any backend
> application that want to send messages to the Unified Message Push Server (
>
https://github.com/aerogear/aerogear-unified-push-java-client).
> The format is quite open and flexible as Matthias described it here :
>
https://gist.github.com/matzew/b21c1404cc093825f0fb
> We can divide the creation of a message in 2 main parts :
>
> - The "signalling" part : list of client identifiers / specific
> devices etc ...
> - The "core" message containing actually the information we want to push
>
> Both are passed as Map and are finally converted into JSON.
> Here an example of how a "core" message is build :
>
> Map categories = new HashMap();
> categories.put("lead", "version="+leadVersion++);
> Map json = new HashMap();
> json.put("id", lead.getId());
> json.put("messageType", "pushed_lead");
> json.put("name", lead.getName());
> json.put("location", lead.getLocation());
> json.put("phone", lead.getPhoneNumber());
> json.put("simple-push", categories);
> json.put("sound" ,"default");
> json.put("alert" ,"A new lead has been created");
>
>
> Even the format is open, we could "assist" a bit the developer in
> building the message. For that we have different options :
> - Propose a simple Message object containing the message "API" :
>
> Message message = new Message();
> message.setClientIdentifiers("jake","maria");
> message.enableSound();//by default use "default" or we could do
message.enableSound("boing")
> message.setAlert("Watch out!);
> message.setAttribute("customAttribute","yo"); // custom simple
strings
> message.setAttribute("customStructure",myObject); // passing objects
>
>
> - Propose a Message Builder (following the Builder Pattern) to propose
> a more fluent API :
>
> Message message = new Message().builder()
> .clientIdentifiers("jake","maria")
> .enableSound()
> .alert("AAAAHHH!")
> .attribute("customAttribute","yo")
> .attribute("customStructure",myObject)
> .build()
>
>
> - Same as above but more DSL focused (not sure about this one ;) )
>
> Message message = MessageDSL.to("jake","maria").withSound() //etc
...
>
>
> So, beside that we have to discuss what we want allow to pass to the
> message API : only Strings and simple Maps ? Full Objects that will be
> JSONified ?
>
> +1 to Strings and Simple Maps.
>
+1 on that too.
See here too :)
http://developer.android.com/reference/com/google/android/gcm/server/Mess...,
java.lang.String)
> JSONIfying full objects can be error prone/tricky sometimes so -.5 to
> that.
> I don't hate it would rather just not give people that gun to shoot
> themselves with so soon ;)
>
I am for Strings and Simple Maps as well
>
>
> Do we want also to separate the "signalling" part from the
"core" part
> when building a message ?
>
> Inputs and comments more than welcome !
>
> I like the Builder. It is very simple, very neutral, and very exact.
>
>
> Seb
>
>
>
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--
Matthias Wessendorf
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