在Java Web框架中创建VoiceXML页面

				

package com.ibm.vxml;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.*;

public class VoiceXMLServlet extends HttpServlet {

  private static final String VXML_FILENAME =
    "simple-voice_recog.xml";

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

    String vxmlDir = getServletContext().getInitParameter("vxml-dir");

    BufferedInputStream bis = null;
    ServletOutputStream out = null;

    try {
      // Load the VXML file
      File vxml = new File(vxmlDir + "/" + VXML_FILENAME);
      FileInputStream fis = new FileInputStream(vxml);
      bis = new BufferedInputStream(fis);

      // Let the browser know that XML is coming
      out = res.getOutputStream();
      res.setContentType("text/xml");
      res.setContentLength((int)vxml.length());

      // Output the VXML file 
      int readBytes = 0;
      while ((readBytes = bis.read()) != -1) {
        // output the VXML
        out.write(readBytes);
      }
    } finally {
      if (out != null) out.close();
      if (bis != null) bis.close();
    }
  }
}