/*
 * Copyright (c) 1998-2012 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.soa.servlet;

import com.caucho.soa.encoding.ServiceEncoding;

import javax.servlet.GenericServlet;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import java.io.IOException;
import java.util.logging.Logger;

/**
 * Generic servlet handling a SOA RPC call.
 */
public class RpcServlet extends GenericServlet
{
  private static final Logger log = 
    Logger.getLogger(RpcServlet.class.getName());

  private final ServiceEncoding _encoding;
  
  public RpcServlet(ServiceEncoding encoding)
  {
    if (encoding == null)
      throw new NullPointerException();
    
    _encoding = encoding;
  }
  
  public void service(ServletRequest request, ServletResponse response)
      throws IOException, ServletException
  {
    try {
      _encoding.invoke(request.getInputStream(), response.getOutputStream());
    } catch (IOException e) {
      throw e;
    } catch (ServletException e) {
      throw e;
    } catch (RuntimeException e) {
      throw e;
    } catch (Throwable e) { // XXX: change sig
      throw new ServletException(e);
    }
  }
}
