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Posted to httpclient-users@hc.apache.org by Travis Roberson <tr...@clarisonic.com> on 2012/07/03 19:12:07 UTC

changing authscheme preference using spring dependency injection

Hi there -

I'm looking to change the authentication preference order for a Java based Soap client I'm currently using with httpclient 4.2.  I've poured over the web and so far I've come up short.

Here's what I'm basically looking to do in my spring context:

List<String> authtypes = new ArrayList<String>();
        authtypes.add(AuthPolicy.NTLM);
        authtypes.add(AuthPolicy.DIGEST);
        authtypes.add(AuthPolicy.BASIC);
        httpclient.getParams().setParameter(AuthPNames.PROXY_AUTH_PREF,
                authtypes);
        httpclient.getParams().setParameter(AuthPNames.TARGET_AUTH_PREF,
                authtypes);


The basic outline in spring should in my opinion look something like this:

<bean id="httpParams" class="org.apache.http.params.HttpParams">
      <constructor-arg type="java.lang.String" value=" http.auth.target-scheme-pref" />
      <constructor-arg type="java.lang.Object">
      <ref bean="authPref"/>
      </constructor-arg>
    </bean>

      <bean id="httpClient" class="org.apache.http.impl.client.DefaultHttpClient">
        <constructor-arg index="0" ref="httpParams"/>
    </bean>



    <util:list id="authPref" value-type="java.lang.String">
    <value>AuthPolicy.NTLM</value>
    <value>AuthPolicy.DIGEST</value>
      </util:list>


But so far I'm not having any luck as the httpParam bean is complaining about not finding the proper constructor.  Any insight on how this might be done correctly?

Re: changing authscheme preference using spring dependency injection

Posted by Oleg Kalnichevski <ol...@apache.org>.
On Tue, 2012-07-03 at 10:12 -0700, Travis Roberson wrote:
> Hi there -
> 
> I'm looking to change the authentication preference order for a Java based Soap client I'm currently using with httpclient 4.2.  I've poured over the web and so far I've come up short.
> 
> Here's what I'm basically looking to do in my spring context:
> 
> List<String> authtypes = new ArrayList<String>();
>         authtypes.add(AuthPolicy.NTLM);
>         authtypes.add(AuthPolicy.DIGEST);
>         authtypes.add(AuthPolicy.BASIC);
>         httpclient.getParams().setParameter(AuthPNames.PROXY_AUTH_PREF,
>                 authtypes);
>         httpclient.getParams().setParameter(AuthPNames.TARGET_AUTH_PREF,
>                 authtypes);
> 
> 
> The basic outline in spring should in my opinion look something like this:
> 
> <bean id="httpParams" class="org.apache.http.params.HttpParams">
>       <constructor-arg type="java.lang.String" value=" http.auth.target-scheme-pref" />
>       <constructor-arg type="java.lang.Object">
>       <ref bean="authPref"/>
>       </constructor-arg>
>     </bean>
> 
>       <bean id="httpClient" class="org.apache.http.impl.client.DefaultHttpClient">
>         <constructor-arg index="0" ref="httpParams"/>
>     </bean>
> 
> 
> 
>     <util:list id="authPref" value-type="java.lang.String">
>     <value>AuthPolicy.NTLM</value>
>     <value>AuthPolicy.DIGEST</value>
>       </util:list>
> 
> 
> But so far I'm not having any luck as the httpParam bean is complaining about not finding the proper constructor.  Any insight on how this might be done correctly?
> 

HttpParams API does not work well with XML based Spring app contexts. I
guess the only reasonable way to work the problem around is to create a
custom factory bean.

Oleg


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