/*
 * Copyright 2012 Nexiwave Canada. All rights reserved.
 * Nexiwave Canada PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;

import net.sf.json.JSONObject;
import net.sf.json.JSONSerializer;

public class SimpleNexiwaveSample {

	public static void main(String[] args) throws Exception {
		
	    // Change these:
	    String user = "myname@mycompany.com";
	    String passwd = "XYZ";
	    File wavFile = new File("/data/test8/sample.wav");

            // Make the url:
            String url = "https://api.nexiwave.com/SpeechIndexing/file/storage/"+user+"/recording/?authData.passwd="+passwd+"&response=application/json&transcriptFormat=html&auto-redirect=true";		
	    URL u = new URL(url);
      
	    // Open the connection and prepare to POST
	    HttpURLConnection uc = (HttpURLConnection)u.openConnection();
	    uc.setDoOutput(true);
	    uc.setDoInput(true);
	    uc.setAllowUserInteraction(false);
	    uc.setConnectTimeout(20 * 60 * 1000);
	    uc.setRequestProperty("content-type", "audio/vnd.wav");
	    uc.connect();

	    // Send the audio:
	    OutputStream out = uc.getOutputStream();
	    int len;
	    byte[] buf = new byte[1024];
	    FileInputStream fis = new FileInputStream(wavFile);
	    while((len = fis.read(buf)) >= 0){
	    	out.write(buf, 0, len);
	    }
	    out.close();
	    fis.close();

	    // Read Response
	    InputStream in = uc.getInputStream();

	    BufferedReader r = new BufferedReader(new InputStreamReader(in));
	    StringBuffer jsonStr = new StringBuffer();
	    String line;
	    while ((line = r.readLine())!=null) {
	    	jsonStr.append(line);
	    }
	    in.close();
	    r.close();
	    uc.disconnect();
	    
	    /**
	     * Parse JSON response. You will need a json-lib package.  Download here: http://sourceforge.net/projects/json-lib/files/json-lib/
	     * You will also need a few apache common packages.
	     * 
	     * Or, use your own favorite json parser.
	     */
	    JSONObject json = (JSONObject)JSONSerializer.toJSON(jsonStr.toString());
	    String transcript = json.getString("text");
	    
	    // Perform the magic here:
	    System.out.println(transcript);
	    
	}
	
}