> <christoph.nenn...@lex-com.net> wrote:
> > Hi,
> >
> > AFAIK that is defined in servlet spec. Only parameters with
content-type "
> > application/x-www-form-urlencoded" are made available via
getParameters().
> > The struts method you mentioned just forwards to according method of
> > servlet api.
> >
> > Your json data can only be read by consuming request inputstream. If
you
> > do so in your interceptor it is not available anymore to your actions
(or
> > struts json interceptor) so you must rewrite them, too.
> >
> > Regards,
> > Christoph
> >
> >
> >
> > > From: "Snowball RC" <craf....@gmail.com>
> > > To: <user@struts.apache.org>,
> > > Date: 23.03.2017 11:28
> > > Subject: What is the best way to get all JSON params in custom
> > > Interceptor to log them all in a custom logger ?
> > >
> > > Hi,
> > >
> > > I am trying to implement a custom Interceptor to have a global
> > > custom "security" logger in my web app.
> > >
> > > The target is to log all the datas sended to the server during
> > > update, save, delete etc... to have a custom logger for security
> > reasons.
> > >
> > > In case of GET and POST (query string param or form data without
> > > json object) :
> > > HttpParameters httpParameters =
> > ActionContext.getContext().getParameters();
> > > works fine.
> > >
> > > But in case of json params in POST (request payload) the previous
> > > code doesn't works
> > > when the params is serialize via : JSON.stringify(...)
> > >
> > > code sample:
> > > jQuery.ajax({
> > > type: 'POST',
> > > url: url,
> > > data: JSON.stringify(data),
> > > dataType: 'json',
> > > async: false ,
> > > contentType: 'application/json; charset=utf-8',
> > > success: function(){
> > > self.load();
> > > },
> > > error: function(data) {
> > > if (data.responseText) {
> > > var error = JSON.parse(data.responseText);
> > > }
> > > }
> > >
> > > My custom Interceptor is added at the end of my stack after the json
> > > interceptor like this :
> > > <interceptor-ref name="json">
> > > <param name="contentType">application/json</param>
> > > </interceptor-ref>
> > > <interceptor-ref name="commonSecurityLogger"/>
> > > </interceptor-stack>
> > >
> > >
> > >
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> > >
> >
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> >
> You are right I have tried to use "request.getReader()" and after
> the json object was not available anymore.
> How can I rewrite them ? Should I do the same like in JSONInterceptor ?
>
Well, when your interceptor reads the inputsream it has to preserve data
in memory in some way and your actions must read it from there.
You can try to copy the inputstream to a byte array first (by using
ByteArrayOutputStream) and wrap request.getInputStream() with a
ByteArrayInputStream pointing to same byte array. Of course that will
cause issues if your users upload large amount of data.
Regards,
Christoph
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