Re: Restlet gets funding to accelerate APISpark growth!

[Adam Mc]

awsome!  Great work Jerome.


On Wed, Nov 13, 2013 at 3:12 PM, Jerome Louvel jlou...@restlet.com wrote:

 Hi all,

 Finally, we can share those news:

 http://blog.restlet.com/2013/11/13/restlet-gets-funding-to-accelerate-apispark-growth/

 From an open source point of view, this will give us extra resources to
 move the RD on the framework forward. In the short term, Thierry Boileau
 will dedicate fixed time every week to complete version 2.2 and start
 working on the 3.0 milestone.

 Their is also a great synergy with APISpark which is fully built on top of
 the Restlet Framework and lets you export your web APIs as Restlet
 Framework source code, to prevent lock-in.

 As this is a usual concern in such events, no change in our open source
 licensing scheme is expected following this funds raising :)

 Best regards,
 Jerome



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RE: Using JettyServerHelper

[Adam Mc]

Found a solution to using the JettyServerHelper.  Here is some code in case 
others have similar question:

 Component component = new Component(); Server jettyServer = new 
Server(Protocol.HTTP, 8080); 
 HttpServerHelper jettyServerHelper = new HttpServerHelper(jettyServer);
 component.getServers().add(jettyServer);
 jettyServer.getContext().getParameters().add(maxThreads, 300);
 jettyServer.getContext().getParameters().add(acceptQueueSize,50); 
 component.getDefaultHost().attach(/, new RootApp());
 component.start();

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setting server's keepAlive timeout time

[Adam Mc]

Hi,

I am using the Jetty Server connector.  I am trying to set the time in which a 
keepalive will end after no activitit.  Tomcat has something called: 
keepAliveTimeout.  Can we set this feature in a Restlet standalone?

I see that there are a few parameters that might do the above.  Would setting 
maxIoIdleTimeMs set the keepAliveTimeout? Would this be roughly equivalent to 
tomcat's keepAliveTimeout?

Thanks,
-Adam

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Using JettyServerHelper

[Adam Mc]

Hi,

I am using the Jetty Sever Connector.  It is working fine, but I want more
control to fine tune the server.

Here is my current code:

   Component component = new Component();
   component.getServers().add(Protocol.HTTP, 8080);
   component.getClients().add(Protocol.FILE);
   component.getDefaultHost().attach(/, new RootApp());
   component.getDefaultHost().attach(, new RootApp());
   component.getDefaultHost().attach(/lfs, new LFS_App());
   component.getDefaultHost().attach(/pages, new Pages_App());
   component.start();

How would I edit this code to change the minThreads and maxThreads.

Also, I do not immediately see a way to set the keepAlive time on the sever? 
Any code hints would be great!

-Adam



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RE: How much REST should your web API get?

[Adam Mc]

Jerome, this was a good post and lots to think about.  I don't have any feed 
back right now, as much of the conversation was new material for me, but I 
tended to agree with what Hansson posted.

Are you planing on moving Restlet towards more of the Web API style framework, 
as opposed to a streamlined REST framework?  I got that impression from your 
blog post that is what you might be thinking.

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RE: Re: Re: Communication Error (1001) - The connector failed to complete the communication with the server

[Adam Mc]

Jerome,

Thanks for your thoughts.  My comments were not a knock against the Restlet 
team.  We know you all are working at full steam!  I will continue to think how 
I may be able to help with community documentation.  

Thanks,
-Adam

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RE: Re: Communication Error (1001) - The connector failed to complete the communication with the server

[Adam Mc]

Hi David,

Everything is working well now for me now and I like restlet, but there does 
not seem to be much activity on this list.

I kind of feel the same way.  Restlet matches my needs pretty well, and thing 
have been going well so far.  But, it is too bad that their is not a bigger 
community and forum here. 

I wonder if in general StackOverFlow is a better place to post questions and 
comments?

-Adam

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RE: Re: Using Asynch setOnResponse

[Adam Mc]

Hi Jerome,

Thanks for your reply. I realized that two things were causing a problem:

1) I was using the client net extension.  This seemed to prevent async.  Can we 
only use the internal client connector for this feature?  

2) I thought the Async Get() was having no effect, when it was in fact working. 
 The problem was that my main() was ending immediately.  The async feature must 
call a daemon thread.  I extended the life of my main() and I saw that the 
async feature worked as expected.

One more follow up question:

For each async get(), is there a separate thread that is launched with a 
one-to-one ratio of thread per request.

Thanks again,
-Adam

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Using Asynch setOnResponse

[Adam Mc]

Hi,I am trying to use and understand the asynchronous client callback.  Here is 
code sections:

-
//In the main:
  ClientResource cr = new ClientResource(myurl);
  cr.setOnResponse(new MyUniform());
  //cr.get();
  cr.getOnResponse();
  System.out.println(done with main);


//In the MyUniform class
public void handle(Request request, Response response) {
  try {
 String text = response.getEntity().getText();
 System.out.println(text);
   } catch (Exception e) {
  e.printStackTrace();
   }
}


I am not quite sure if I should use ClientResource.get or getOnResponse.  It 
seems like I should use getOnResponse, but that is having no effect.  If I use 
get(), it works, but not asynchronously, as it prints done with main after 
the response is obtained.  

Any thoughts on how I can set this up?

Thanks,
-Adam

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RE: Re: Evaluating Restlet - few questions

[Adam Mc]

Jerome,

As always, thanks for your response.

 [1] The Jetty connector is production ready and much lighter than a full 
 Servlet container.

Great. I have noticed that Restlet runs pretty light, at least compared to 
tomcat (not much experience with Jetty servlet container).  But, the very small 
heap stack I was seeing the RF+Jetty connector was motivation enough for me to 
switch to RF for the time being.  


 [2] It is still a work in progress. Not sure to get this ready for RF 2.2 at 
 this point. We need help on the documentation front mostly as most of the 
 code has already been upgraded to the OAuth 2.0 final RFC.

Sounds really good. In the future I may want to get involved in helping 
documenting Restlet.  There were a few hicups I encountered when making the 
transition from a servlet rest system. More complete docs should help this.


 [3] Yes, it is possible using the callback mechanism. See this method:
http://restlet.org/l​earn/javadocs/snapsh​ot/jee/api/org/restl​et/resource/ClientRe​source.html#setOnRes​ponse(org.restlet.Un​iform)

This looks great!  Did not seem much in the docs or user guide for this.  When 
things calm down, I will take a look at it and see if I can piece together a 
tutorial.

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RE: Re: Setiting media type for webm videos

[Adam Mc]

Thanks Jerome for pointing me in the right direction to debug the issue. 

I was mistaken, it was actually not a problem with webm videos, but in fact m4v 
videos (I was mistaken as which video was being fallen back to in the IE 
browser, I thought IE was falling back to webm, but was in fact falling back to 
m4v videos).

Regardless, while it worked in other browsers, IE was not able to load the m4v 
videos from a restlet standalone because the media type needed a slight change. 
 The following change worked fine and allows m4v HTML5 videos to load fine in 
IE another other browsers:

getMetadataService().addExtension(m4v, new MediaType(video/mp4));

-Adam

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Setiting media type for webm videos

[Adam Mc]

Hi,

I am trying to get HTML5 *.webm videos to play from a restlet server.  I am 
using the latest stable with Jetty standalone with the FILE protocol on a 
directory.  Other types of HTML5 videos play fine, but not webm videos, so I 
suppose it is a meida type problem.

Looking at my old tomcat setup (videos played fine under tomcat), I see the 
following: 

mime-mapping
   extensionwebm/extension
   mime-typevideo/webm/mime-type
/mime-mapping

So, I tried to translate this to restlet with the following code, but it is 
still not working.  Any ideas?

public synchronized Restlet createInboundRoot() {
   MetadataService ms = new MetadataService();
   ms.addCommonExtensions();
   ms.addExtension(webm, new MediaType(video/webm));
   ms.setEnabled(true);
   this.setMetadataService(ms);

  Router router = new Router(getContext());
  // route codes here
   return router;
}

Thanks,
-Adam

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RE: Re: Re: redirect with get from post

[Adam Mc]

Jerome,

Thanks, that seems to make sense with the status codes.  So, by changing the 
status codes upon a redirect after POST, that should work.

-Adam

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RE: Re: redirect with get from post

[Adam Mc]

Jerome,

thanks for your reply.  Yes, I was not aware of the html redirect, as I have 
always used server side.  I suppose that would work, but it does seem that 
serverside is a more recommended method.

My pattern is that an HTML FORM submits a POST, and depending on the 
circumstance, issues a redirect.  This pattern always worked fine using 
servlets. Switching to Restlet caused a bit of a problem in this area as it was 
forcing a POST redirect.

Too bad we can't designate the redirect method.  Is there something in REST or 
HTTP that dictates against changing methods on a redirect?

Regardless, I have found Restlets to be a great framework and I am currently in 
the process of switching some major code base over to the framework.

Thanks again,
-Adam

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redirect with get from post

[Adam Mc]

Hi,

I have a post request, and after that request I need to temporarily redirect to 
another page.  However, I need that redirect to be a GET not a POST.  I see in 
the docs that the redirect uses the same method, which in this case is a POST.  
Is there any way to change the method being used to a GET?

Thanks,
-Adam

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Evaluating Restlet - few questions

[Adam Mc]

This is my fist message on the restlet discussion.  First, I just want to say 
thanks to the developers of Restlet.  It seems like a great api and framework.  
We are evaluating Restlet, and we have a few general questions.  I apologize  
if the questions are a bit diverse, but I thought I would just send them in one 
message.

[1]  Jetty Connector vs Servlet Container:  We would like to use the Jetty 
connector  as a standalone outside of a servlet container.  Is Restlet 
standalone with Jetty as stable as using a servlet, or is a servlet container 
preferred for production?

[2] The book mentions that Oauth 2.0 is in draft.  Is Oauth 2.0 nearing 
production code?  Not rushing, just wondering?

[3]  Is there any way to handle Ascynhrous Client requests.  Considering that 
our webserver is also a client to other servers, the client needs to consume 
other restful services.  Is there anyway to consume services in a non blocking 
or ascyh manner, so as to not keep the threads blocking.  If so, can someone 
point me into the direction of code example.

Thanks,

-Adam

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