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Categories / Java Tutorial / Servlet

 

Send XML data to client

import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import java.util.*; import java.net.*; public class MyServlet extends HttpServlet {       public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {            String file = "/WEB-INF/web.xml";             URL url = null;       URLConnection urlConn = null;         PrintWriter out = null;       BufferedInputStream buf = null;      try{      out = response.getWriter();      url = getServletContext().getResource(file);       response.setContentType("text/xml");            urlConn = url.openConnection();      urlConn.connect();      buf = new BufferedInputStream(urlConn.getInputStream());      int readBytes = 0;      //read from the file; write to the PrintWriter      while((readBytes = buf.read()) != -1)         out.write(readBytes);      } catch (MalformedURLException mue){                 throw new ServletException(mue.getMessage());                  } catch (IOException ioe){               throw new ServletException(ioe.getMessage());                } finally {            if(out != null)          out.close();       if(buf != null)           buf.close();           }          } //end doGet         public void doPost(HttpServletRequest request, HttpServletResponse response)     throws ServletException, IOException {                  doGet(request,response);     }  } <?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE web-app     PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"     "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd"> <web-app>     <servlet><servlet-name>MyServletName</servlet-name>              <servlet-class>MyServlet</servlet-class>                   </servlet>          <servlet-mapping><servlet-name>MyServletName</servlet-name>         <url-pattern>/index.html</url-pattern>     </servlet-mapping> </web-app>