Basic Authentication For JSP Page : Http Client : Apache Common : Java examples (example source code) Organized by topic




import org.apache.commons.httpclient.URI;

import org.apache.commons.httpclient.HttpState;

import org.apache.commons.httpclient.HttpStatus;

import org.apache.commons.httpclient.HttpClient;

import org.apache.commons.httpclient.Credentials;

import org.apache.commons.httpclient.auth.AuthScope;

import org.apache.commons.httpclient.methods.GetMethod;

import org.apache.commons.httpclient.HostConfiguration;

import org.apache.commons.httpclient.UsernamePasswordCredentials;



public class BasicAuthenticationForJSPPage {



  public static void main(String args[]) throws Exception {



    HttpClient client = new HttpClient();

    client.getParams().setParameter("http.useragent", "My Browser");



    HostConfiguration host = client.getHostConfiguration();

    host.setHost(new URI("http://localhost:8080", true));



    Credentials credentials = new UsernamePasswordCredentials("tomcat", "tomcat");

    AuthScope authScope =new AuthScope(host.getHost(), host.getPort());

    HttpState state = client.getState();

    state.setCredentials(authScope, credentials);



    GetMethod method = new GetMethod("/commons/chapter01/protected.jsp");

    try{

      client.executeMethod(host, method);

      System.err.println(method.getStatusLine());

      System.err.println(method.getResponseBodyAsString());

    } catch(Exception e) {

      System.err.println(e);

    } finally {

      method.releaseConnection();

    }

  }

}


1. Get Http methods
2. Get Http client parameters
3. Execute Http method (post/get)
4. Http Client Simple Demo
5. Get allowed http methods
6. Http post method Example
7. Connect Method Example For Proxy Client
8. Basic Authentication Execute JSP Method
9. Basic Authentication Get JSP Method Return Code
10. Get Cookie value and set cookie value
11. Using Http Client Inside Thread