Re: HttpClient, HttpURLConnection, server Authentication with encoding

[Michael Becke]

Hi Ryan,
Try setting the credentials using the following:
client.getState().setCredentials(null, sUrl, new 
UsernamePasswordCredentials(sServerAuthName, sServerAuthPassword));

Notice that null is not surrounded in quotes.
Mike
On Dec 13, 2004, at 6:45 AM, Ryan julius wrote:
Hello,
I have this String : sXmlMessage = 
"<mainMessage>messageBody</mainMessage>"
I would like to send sXmlMessage to a server  named: webMServer whose 
address is http://pyasmp:5126.
webMServer use Basic authentication, the format of 
authentication(credentials!?!) is admin:servAdmin
credentials and sXmlMessage must be encoded using BASE64Encoder.
My question:
1.) How can I POST sXmlMessage to webMServer using HttpClient?

Note: I have unsuccessfully tried the BasicAuhentication example, I 
still have this message:

[WARN] HttpMethodBase - -No credentials available for the 'webMethods' 
authentication realm at pyasmp Method failed: HTTP/1.0 401 
[ISS.0084.9004] Access Denied
 2.) As U can see in the following piece of code, I have also tried 
HttpUrlConnection; but there is no link with the HttpClient. What 
might be wrong with this code?

Thanks.
The code:
=======
client.getState().setCredentials("null", sUrl, new 
UsernamePasswordCredentials(sServerAuthName, sServerAuthPassword));
 HttpURLConnection httpUrlConnection = null;
        try {
            httpUrlConnection = (HttpURLConnection) 
url.openConnection();
        } catch (IOException e) {
            e.printStackTrace();  //To change body of catch statement 
use File | Settings | File Templates.
        }
        //Codage de la chaine de login et du fichier XML.
        String authentication = (new sun.misc.BASE64Encoder()).encode( 
(sServerAuthName + ":"+ sServerAuthPassword).getBytes() );
        httpUrlConnection.setRequestProperty("Authorization", "Basic 
"+ authentication );
        String sXmlMessageCoded = "";
        /*
        try {
            sXmlMessageCoded = URLEncoder.encode(sXmlMessage, "UTF-8");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();  //To change body of catch statement 
use File | Settings | File Templates.
        }
         */
 sXmlMessageCoded = URLEncoder.encode(sXmlMessage);

        OutputStream out = null;
        try {
            out = httpUrlConnection.getOutputStream();
            out.write(sXmlMessageCoded.getBytes());
        } catch (IOException e) {
            e.printStackTrace();  //To change body of catch statement 
use File | Settings | File Templates.
        }
  String sInLine = null;
  String sInFullLine = null;
  BufferedReader inReader;
  try {
   inReader =
    new BufferedReader(
     new InputStreamReader(httpUrlConnection.getInputStream()));
   while ((sInLine = inReader.readLine()) != null) {
    sInFullLine+=sInLine;
   }
  } catch (IOException e1) {
   // TODO Bloc catch auto-g�n�r�
   e1.printStackTrace();
  }
  System.out.println("R�sultat de la requ�te http : "+ new 
String(sInFullLine));

        //************************************************
        //************************************************
  HttpMethod method = null;
  // Relance de la requ�te si n�cessaire ...
  DefaultMethodRetryHandler methodRetry = new 
DefaultMethodRetryHandler();
  methodRetry.setRetryCount(3);
  //En cas de succ�s d'envoi de requ�te, ne pas reessayer.
  methodRetry.setRequestSentRetryEnabled(false);
  // Create a method instance.
  if(sRequestMethod.equalsIgnoreCase("get")){
   method = new GetMethod(sUrl);
   ((GetMethod)method).setMethodRetryHandler(methodRetry);
  }else{
            //Target URL ...
   method = new PostMethod(sUrl);
   ((PostMethod)method).setMethodRetryHandler(methodRetry);
            ((PostMethod)method).setRequestBody(sXmlMessageCoded);
  }
        // Tell the GET method to automatically handle authentication. 
The
        // method will use any appropriate credentials to handle basic
        // authentication requests.  Setting this value to false will 
cause
        // any request for authentication to return with a status of 
401.
        // It will then be up to the client to handle the 
authentication.
        method.setDoAuthentication( true );
  try {
    // Execute the method.
    int statusCode = client.executeMethod(method);
    if (statusCode != HttpStatus.SC_OK) {
   System.err.println("Method failed: " + method.getStatusLine());
    }
    // Read the response body.
    byte[] responseBody = method.getResponseBody();
    // Deal with the response.
    // Use caution: ensure correct character encoding and is not 
binary data
    setOutput(OUT_RESPONSE, responseBody);
    logger.info(new String(responseBody));
  } catch (HttpException e) {
    System.err.println("Fatal protocol violation: " + e.getMessage());
    e.printStackTrace();
  } catch (IOException e) {
    System.err.println("Fatal transport error: " + e.getMessage());
    e.printStackTrace();
  } finally {
    // Release the connection.
    method.releaseConnection();
  }
 }



		
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