음성 실행 XML, Part 3: 음성 블로깅(blogging) 애플리케이션 개발하기 (한글)

                 
import java.util.*;
import java.io.*;
import java.net.URL;
import org.apache.xmlrpc.client.XmlRpcClient;
import org.apache.xmlrpc.client.XmlRpcClientConfigImpl;

public class BlogPost {
    String username;
    String password;
    String blogid;
    String blogurl;
    XmlRpcClientConfigImpl xmlrpcConfig = new XmlRpcClientConfigImpl();
    XmlRpcClient client = new XmlRpcClient();

    public BlogPost(String user,
                   String pass,
                   String id,
                   String url) {
        username = user;
        password = pass;
        blogid = id;
        blogurl = url;

        try {
            xmlrpcConfig.setServerURL(new URL(blogurl));
            client.setConfig(xmlrpcConfig);
        } catch (Exception ex) {
            ex.printStackTrace();
            System.out.println("ERROR: " + ex.getMessage());
        }
    }

                

BlogPost bp = new BlogPost("user",
                           "pass",
                           "1", 
                           "http://myblog.com/xmlrpc.php");

                
public Hashtable GetCategories() {
    Hashtable categories = new Hashtable();
    Object[] cats = new Object[] {};

    try {
        cats = (Object [])
            this.client.execute("metaWeblog.getCategories",
                                new Object[] {this.blogid,
                                              this.username, 
                                              this.password});
        
    } catch (Exception ex) {
        ex.printStackTrace();
        System.out.println("ERROR: " + ex.getMessage());
    }

    for(int i = 0; i < cats.length; i++ ) {
        HashMap category = (HashMap)cats[i];
        categories.put(category.get("categoryId"),
                       category.get("categoryName"));
    }

    return categories;
}

                
public Boolean PostIt(String title,
                      String description,
                      Integer category) {
    
    Hashtable post = new Hashtable();
    if (title != null) post.put("title", title);
    post.put("dateCreated", new Date());
    post.put("description", description);

    Hashtable categories = new Hashtable();
    categories.put("categoryId",category);
    
    String blogpostid = "";
    Boolean result = Boolean.FALSE;

    try {
        blogpostid = (String)
            this.client.execute("metaWeblog.newPost",
                           new Object[] {this.blogid, 
                                         this.username, 
                                         this.password, 
                                         post, 
                                         Boolean.FALSE});

        result = (Boolean) 
            this.client.execute("mt.setPostCategories",
                           new Object[] {blogpostid, 
                                         this.username, 
                                         this.password, 
                                         new Object[] {categories}});

        HashMap postdetail = (HashMap) 
            this.client.execute("metaWeblog.getPost",
                           new Object[] {blogpostid, 
                                         this.username, 
                                         this.password, });

        result = (Boolean) 
            this.client.execute("metaWeblog.editPost",
                           new Object[] {blogpostid, 
                                         this.username, 
                                         this.password,
                                         postdetail,
                                         Boolean.TRUE });

    } catch (Exception ex) {
        ex.printStackTrace();
        System.out.println("ERROR: " + ex.getMessage());
    }
    return(result);
}

bp.PostIt("Title","Content",5);

                
(eye am [happy {<phrase "I am happy">}
        sad {<phrase "I am sad">}
        traveling {<phrase "I am traveling">}
        (on business){<phrase "I am on business">}
        ] )

                
<?xml version="1.0" encoding ="UTF-8"?>

<!DOCTYPE vxml PUBLIC "-//W3C//DTD VOICEXML 2.1//EN" 
               "http://www.w3.org/TR/voicexml21/vxml.dtd">

<vxml version="2.1" xmlns="http://www/w3/org/2001/vxml"
    xml:lang="en-US">

<form id="blogging">
 <block>
  <prompt>
     Welcome to the blogging service.
  </prompt>
 </block>

<field name="phrase">
  <prompt>Please state your current status to be used on your blog.</prompt>

    <grammar type="text/gsl">
        <![CDATA[
(eye am [happy {<phrase "I am happy">}
        sad {<phrase "I am sad">}
        traveling {<phrase "I am traveling">}
        (on business) {<phrase "I am on business">}
        ] )

]]>
</grammar>
 </field>

<field name="location">
<prompt>Please state your current location</prompt>
<option>Edinburgh</option>
<option>New York</option>
<option>London</option>
<option>Paris</option>
<option>Stockholm</option>
</field>

  <filled>
  <prompt>
    Your blog post will be:  <value expr="phrase"/>. 
    Current location: <value expr="location"/>
  </prompt>

  <submit name="/VXMLBlogPost/blogpost" 
          namelist="phrase category location"/>
  </filled>

</form>

</vxml>

                
Service: Welcome to the blogging service.
S: Please state your current status to be used on your blog.
User: I am happy
S: Please state your current location
U: London
S: Your blog post will be: I am happy. Current location: London

                
Hashtable cats = this.bp.GetCategories();

Enumeration keys = cats.keys();
while ( keys.hasMoreElements() ) {
    String key = (String)keys.nextElement();
    String cat = (String)cats.get( key );
    out.println("<option value=\"" + key + "\">" + cat + "</option>");
}

                
<field name="category">       
  <prompt>Please state the category to be used for this post.</prompt>       
<option value="1">Commentary</option>
<option value="2">Holiday Travel</option>
</field>

                
<submit name="/VXMLBlogPost/blogpost" 
        namelist="phrase category location"/>

                
public void doPost(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, IOException {

    PrintWriter out = null;
    out = res.getWriter();
    res.setContentType("text/xml");

    this.bp.PostIt( req.getParameter("title"),
                    req.getParameter("title") +
                    ". I am currently located in " +
                    req.getParameter("location"),
                    Integer.parseInt(req.getParameter("category")));

    printHeader(out);
    out.println("<form><block>" + 
         "<prompt>Blog posted</prompt><disconnect/>" +
         "</block></form>");
    printFooter(out);
}

                
import java.net.*;
import java.io.*;

public class BlogPost {

    public BlogPost(String user,
       String pass, String status) {
    try{
           Authenticator.setDefault(new PostAuthenticator(user, pass));

             URL url = new URL ("http://twitter.com/statuses/update.xml");
             URLConnection conn = url.openConnection();
             conn.setDoInput (true);
             conn.setDoOutput (true);
              conn.setUseCaches (false);

             conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
             DataOutputStream printout = new DataOutputStream (conn.getOutputStream ());
             String requestBody = "status=" + URLEncoder.encode (status);
             printout.writeBytes (requestBody);
             printout.flush ();
             printout.close ();

             DataInputStream input = new DataInputStream (conn.getInputStream ());
             String str;
             while (null != ((str = input.readLine()))){
                    System.out.println (str);
             }
             input.close ();
      } catch (Exception e){
           e.printStackTrace();
      }
     }
 
     public static void main (String args[]){
           BlogPost bp = new BlogPost("myusername", "mypassword", 
     "Playing with voice blogging to the Twitter API!");
     }
	
}

                
import java.net.Authenticator;
import java.net.PasswordAuthentication;

public class PostAuthenticator extends Authenticator {

	private String user;
	private String pass;
	
	public PostAuthenticator (String user, String pass){
		this.user = user;
		this.pass = pass;
	}
	
	protected PasswordAuthentication getPasswordAuthentication(){
		char[] passwd = new String(this.pass).toCharArray();
        PasswordAuthentication auth = new PasswordAuthentication(this.user, passwd);
		return auth;
	}
	
}