WebserviceConsumerDemo

WebserviceConsumerDemo.java

import HTTPClient.*;
import java.io.*;

/* trying to get this bit to work. Without it you get an annoying dialogue box asking about cookies permission.
class FolktunePolicyHandler implements CookiePolicyHandler
{
    boolean acceptCookie(Cookie cookie, RoRequest req, RoResponse resp)
    {
        // yeah whatever
        return true;
    }
    
    boolean sendCookie(Cookie cookie, RoRequest req) 
    {
        return true;
    }
}
*/

public class WebserviceConsumerDemo
{
    private static BufferedReader Retrieve(String url, HTTPConnection connection, String postData) throws Exception
    {
        HTTPResponse response;
        
        if (postData == null)
        {
            response = connection.Get(url);
        }
        else
        {
            byte[] requestBytes = postData.getBytes();
            HttpOutputStream out = new HttpOutputStream(requestBytes.length);
            response = connection.Post(url, out);
            out.write(requestBytes);
            out.close();
        }
        
        BufferedReader reader = null;
        
        // If it's not OK return null.
        if (response.getStatusCode() == 200)
        {
            InputStream inputStream  = response.getInputStream();
            reader = new BufferedReader(new InputStreamReader(inputStream));
        }
        
        return reader;
    }
    
    

    public static void main(String[] args) throws Exception
    {
        // First take one of these
        HTTPConnection connection = new HTTPConnection("www.folktune.local");

        /* Again, this bit is excludd for the minute 
        CookiePolicyHandler policyHandler = new FolktunePolicyHandler();
        CookieModule.setCookiePolicyHandler(policyHandler);
        */
        
        String line;
        BufferedReader reader;
    
        /* Q1:  Are we logged in? */
        reader = Retrieve("/api/session/status/", connection, null);
        while ((line = reader.readLine()) != null)
        {
            System.out.println(line);
        }
        
        /* A1: What did you expect? 
        <status authenticated="no" />
        */
        
        /* Q2: Can I log in please? */
        String loginXml =  "<request username=\"abcnotation_com\" password=\"5fec5e9bbc3e041512460456e1269959\" />";
        reader = Retrieve("/api/session/login/", connection, loginXml);
        while ((line = reader.readLine()) != null)
        {
            System.out.println(line);
        }
        
        /* A2: Looks like it:
        <response success="pass" />
        */
        
        
        /* Q3:  So are we actually logged in? */
        reader = Retrieve("/api/session/status/", connection, null);
        while ((line = reader.readLine()) != null)
        {
            System.out.println(line);
        }
        
        /* A3: What did you expect? 
        <status authenticated="yes" />
        */
            
        /**** INTERLUDE. Do all your work here. ***/
        
        /* A4:  Log out. */
        reader = Retrieve("/api/session/logout/", connection, null);
        while ((line = reader.readLine()) != null)
        {
            System.out.println(line);
        }
        
        /* A4: 'k.
        <response success="pass" />
        */
        
        /* Q5:  Did that work?? */
        reader = Retrieve("/api/session/status/", connection, null);
        while ((line = reader.readLine()) != null)
        {
            System.out.println(line);
        }
        
        /* A5: Think so.
        <status authenticated="no" />
        */        
    }
}

$ ls -l
total 8
drwxr-xr-x@ 144 joewass  staff  4896  9 May  2001 HTTPClient
-rw-r--r--@   1 joewass  staff  3569 18 Jan 23:41 WebserviceConsumerDemo.java
$ javac WebserviceConsumerDemo.java 
$ java WebserviceConsumerDemo
<status authenticated="no" />
<response success="pass" />
<status authenticated="yes" />
<response success="pass" />
<status authenticated="no" />