Examples of net.oauth.client.httpclient4.PreemptiveAuthorizer

net.oauth.client.httpclient4.HttpClientPool
An interceptor that initiates authorization without waiting for a challenge from the server. This avoids a response/request exchange (for the challenge), but it doesn't give the server a chance to select the authorization scheme or realm.
To make this work:
- In your HttpContext attributes, set a list of preferred auth scheme names.
- In your HttpClient auth schemes, register an AuthSchemeFactory for at least one of those schemes.
- In your HttpClient credentials provider, set Credentials for an AuthScope that will match your request.
- In your HttpClient params, register any parameters the AuthSchemeFactory requires.
- In your HttpClient, add an instance of this interceptor.
Here's an example using OAuth:
```
 context = new BasicHttpContext(); context.setAttribute(ClientContext.AUTH_SCHEME_PREF, Arrays.asList(OAuthSchemeFactory.SCHEME_NAME)); client = new DefaultHttpClient(); client.getAuthSchemes().register(OAuthSchemeFactory.SCHEME_NAME, new OAuthSchemeFactory()); client.getCredentialsProvider().setCredentials(new AuthScope("server.com", 80), new OAuthCredentials(accessor)); client.getParams().setParameter(OAuthSchemeFactory.DEFAULT_REALM, ProtectedResource.REALM); client.addRequestInterceptor(new PreemptiveAuthorizer(), 0); 
```
@author John Kristian

          .getValue()));
    }
    OAuthAccessor accessor = createOAuthAccessor();
    accessor.tokenSecret = props.getProperty("tokenSecret");
    OAuthClient client = new OAuthClient(
        new HttpClient4(new SingleClient()));
    return client.invoke(accessor, "GET", url, params);
  }

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    return message.getAuthorizationHeader(resource);
  }


  public void request() throws Exception {
    OAuthAccessor accessor = createOAuthAccessor();
    HttpClient4 httpClient = new HttpClient4(new SingleClient());
    OAuthClient client = new OAuthClient(httpClient);
    client.getRequestToken(accessor);
    props.setProperty("requestToken", accessor.requestToken);
    props.setProperty("tokenSecret", accessor.tokenSecret);
    updateProperties("Last action: added requestToken");

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  protected OAuthClient createOAuthClient()
  {
    
    OAuthClient authClient = new OAuthClient(new HttpClient4(this.pool));
    
    return authClient;
  }

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          .getValue()));
    }
    OAuthAccessor accessor = createOAuthAccessor();
    accessor.tokenSecret = props.getProperty("tokenSecret");
    OAuthClient client = new OAuthClient(
        new HttpClient4(new SingleClient()));
    return client.invoke(accessor, "GET", url, params);
  }

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    return message.getAuthorizationHeader(resource);
  }


  public void request() throws Exception {
    OAuthAccessor accessor = createOAuthAccessor();
    HttpClient4 httpClient = new HttpClient4(new SingleClient());
    OAuthClient client = new OAuthClient(httpClient);
    client.getRequestToken(accessor);
    props.setProperty("requestToken", accessor.requestToken);
    props.setProperty("tokenSecret", accessor.tokenSecret);
    updateProperties("Last action: added requestToken");

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    setUserAgent("jfireeagle");
    setConnectionTimeout(15 * 1000);
    setSocketTimeout(30 * 1000);
    
    
    this.pool = new HttpClientPool()
    {


      public HttpClient getHttpClient(URL u)
      {
        return httpClient;

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Related Classes of net.oauth.client.httpclient4.PreemptiveAuthorizer

jfireeagle.FireEagleClient

net.oauth.client.ExcerptInputStream

net.oauth.OAuthAccessor

net.oauth.OAuthConsumer

net.oauth.OAuthMessage

org.apache.http.auth.AuthScheme

org.apache.http.auth.AuthSchemeRegistry

org.apache.http.auth.AuthScope

org.apache.http.auth.AuthState

org.apache.http.auth.Credentials

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