package com.ilink.whlsl.util;

/**
 * Title:        Wholesale XML API
 * Description:  This project contains the classes necessary to receive an HTTP Post of an XML document. Parse that document and make calls to the Wholesale API in Oracle
 * Copyright:    Copyright (c) 2001
 * Company:      I-Link Incorporated
 * @author John Muhlestein
 * @version 1.0
 */

 import java.io.*;
 import java.net.HttpURLConnection;
 import java.net.URL;

public class WhlslPostTest {

private static URL whlslURL;


  public InputStream send (ByteArrayOutputStream content) throws Exception {
    //Open connection
    HttpURLConnection cxn = (HttpURLConnection)whlslURL.openConnection();
    cxn.setDoOutput(true);
    cxn.setUseCaches(false);
    cxn.setRequestMethod("POST");
    cxn.setRequestProperty("Content-Type", "text/xml");
    cxn.setRequestProperty("Content-Length", content.size()+"");

    //Send Request
    OutputStream toServlet = new BufferedOutputStream(cxn.getOutputStream());
    try {
      content.writeTo(toServlet);
    } finally {
      toServlet.close();
    }

    //Response OK?
    int code = cxn.getResponseCode();
    if(code != HttpURLConnection.HTTP_OK) {
      String msg = cxn.getResponseMessage();
      throw new Exception("Http Error " + code + ": " + msg);
    }

    //Return InputStream
    byte[] buf = new byte[cxn.getContentLength()];
    new DataInputStream(cxn.getInputStream()).readFully(buf);
    InputStream fromServlet = new ByteArrayInputStream(buf);

    cxn.disconnect();
    return fromServlet;

  }

  public static void main(String[] args) {
    if (args.length != 2) {
      throw new IllegalArgumentException("Wrong number of arguments");
    }
    try {
      WhlslPostTest whlslPostTest1 = new WhlslPostTest();
      File infile = new File(args[0]);
      File outfile = new File(args[1]);
      whlslURL =  new URL("http://devboard/xml/servlet/whlsl");
      String currentLine;

      //read the file into a byte array
      ByteArrayOutputStream bytebuf = new ByteArrayOutputStream(400);
      BufferedReader br = new BufferedReader(new FileReader(infile));
      PrintWriter writer = new PrintWriter(bytebuf, true);
      String curline;
      while((curline = br.readLine()) != null) {
        writer.print(curline);
      }
      writer.flush();
      br.close(); //clean up resources

      InputStream results = whlslPostTest1.send(bytebuf);

      //receive the results from the servlet
      BufferedReader in = new BufferedReader(new InputStreamReader(results));

      //print to an output file
      FileWriter out = new FileWriter(outfile);
      while((currentLine = in.readLine()) != null) {
       out.write(currentLine);
      }
      out.flush();

    } catch (Exception e) {
      System.out.println(e.getMessage());
      e.printStackTrace(System.out);
    }
  }
}