/*
    * Copyright 2011 The Kuali Foundation.
    * 
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    * 
    * http://www.opensource.org/licenses/ecl2.php
    * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.kuali.ole.docstore.discovery.servlet;
  
  import javax.servlet.ServletException;
  import javax.servlet.ServletOutputStream;
  import javax.servlet.http.HttpServlet;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import java.io.BufferedInputStream;
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.IOException;
  
  /**
   * Class for getting configuration info about document categories, types, formats etc.
   */
  public class DiscoveryConfigServlet extends HttpServlet {
      private static final long serialVersionUID = 1L;
  
      /**
       * @see javax.servlet.http.HttpServlet#HttpServlet()
       */
      public DiscoveryConfigServlet() {
          super();
      }
  
      /**
       * @see javax.servlet.http.HttpServlet#doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse
       *      response)
       */
      protected void doPost(HttpServletRequest request,
                            HttpServletResponse response) throws ServletException, IOException {
          ServletOutputStream outputStream = null;
          BufferedInputStream inputStream = null;
          try {
              outputStream = response.getOutputStream();
              String solrHome = System.getProperty("solr.solr.home");
              File docSearchConfigFile = new File(solrHome + "/DocSearchConfig.xml");
              response.setContentType("text/xml");
              response.setContentLength((int) docSearchConfigFile.length());
              FileInputStream input = new FileInputStream(docSearchConfigFile);
              inputStream = new BufferedInputStream(input);
              int readBytes;
              while ((readBytes = inputStream.read()) != -1)
                  outputStream.write(readBytes);
          } catch (IOException ioe) {
              throw new ServletException(ioe.getMessage());
          } finally {
              if (outputStream != null)
                  outputStream.close();
              if (inputStream != null)
                  inputStream.close();
          }
      }
  
  
      /**
       * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse
       *      response)
       */
      protected void doGet(HttpServletRequest request,
                           HttpServletResponse response) throws ServletException, IOException {
          doPost(request, response);
      }
  }