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From "Raymond Feng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBER-51) Guice+Jersey+Amber: Can't correctly create OAuthTokenRequest instance
Date Sat, 12 May 2012 21:28:49 GMT

    [ https://issues.apache.org/jira/browse/AMBER-51?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13274075#comment-13274075
] 

Raymond Feng commented on AMBER-51:
-----------------------------------

HttpServeletRequest.getParameter(...) for the form parameters are a bit evil as they are destructive
to the InputStream or Reader. We had to avoid using the API and parse the query parameters
using custom code to not trigger the POST form processing.
                
> Guice+Jersey+Amber: Can't correctly create OAuthTokenRequest instance
> ---------------------------------------------------------------------
>
>                 Key: AMBER-51
>                 URL: https://issues.apache.org/jira/browse/AMBER-51
>             Project: Amber
>          Issue Type: Bug
>         Environment: jersey 1.10
> guice 3.0-SNAPSHOT
> amber 0.22-incubating-SNAPSHOT
>            Reporter: Alexander Urmuzov
>
> I've got a problem with creating OAuthTokenRequest.
> It needs an instance of HttpServletRequest on creation, but all instances which I can
get through guice or jersey injections have no post parameters.
> Guice injection example:
>     private final Provider<HttpServletRequest> requestProvider;
>     @Inject
>     public TokenEndpoint(Provider<HttpServletRequest> requestProvider) {
>         this.requestProvider = requestProvider;
>     }
>     @POST
>     @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
>     @Produces(MediaType.APPLICATION_JSON)
>     public Response authorize() throws OAuthSystemException {
>         OAuthTokenRequest oauthRequest = null;
>         try {
>             oauthRequest = new OAuthTokenRequest(requestProvider.get());
>     ....
> Jersey injection example:
>     @POST
>     @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
>     @Produces(MediaType.APPLICATION_JSON)
>     public Response authorize(@Context HttpServletRequest request) throws OAuthSystemException
{
>         OAuthTokenRequest oauthRequest = null;
>         try {
>             oauthRequest = new OAuthTokenRequest(request);
> Looks like jersey have parsed HttpServletRequest and removed all post parameters from
it.
> If I attach filter that tries to get some parameter from HttpServletRequest before jersey,
my code works, but with exception from jersey.
> But I can retrieve MultivaluedMap of post parameters from jersey with all data and no
errors.
> I think there must be some alternative constructor for such environments. Any thoughts?

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