content: package org.apache.solr.servlet;/**
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache 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.apache.org/licenses/LICENSE-2.0
   *
   * 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.
   */
  
  import java.io.InputStream;
  import java.io.File;
  import java.io.IOException;
  import java.io.Writer;
  import java.io.OutputStreamWriter;
  import java.nio.charset.Charset;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServlet;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.solr.core.SolrResourceLoader;
  import org.apache.solr.handler.XmlUpdateRequestHandler;
  import org.apache.solr.response.QueryResponseWriter;
  import org.apache.solr.response.XMLResponseWriter;
  import org.apache.solr.common.util.FastWriter;
  
  /**
   * @version $Id$
   *
   * @deprecated Register a request handler to /update rather then use this servlet.  Add: &lt;requestHandler name="/update" class="solr.XmlUpdateRequestHandler" > to your solrconfig.xml
   */
  @Deprecated
  public class SolrUpdateServlet extends HttpServlet {
    final Logger log = LoggerFactory.getLogger(SolrUpdateServlet.class);
  
    XmlUpdateRequestHandler legacyUpdateHandler;
    XMLResponseWriter xmlResponseWriter;
    private boolean hasMulticore = false;
  
    private static final Charset UTF8 = Charset.forName("UTF-8");
  
    @Override
    public void init() throws ServletException
    {
      legacyUpdateHandler = new XmlUpdateRequestHandler();
      legacyUpdateHandler.init( null );
  
      // Check if the "solr.xml" file exists -- if so, this is an invalid servlet
      // (even if there is only one core...)
      String instanceDir = SolrResourceLoader.locateInstanceDir();
      File fconf = new File(instanceDir, "solr.xml");
      hasMulticore = fconf.exists();
      
      log.info("SolrUpdateServlet.init() done");
    }
  
    @Override
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
      if( hasMulticore ) {
        response.sendError( 400, "Missing solr core name in path" );
        return;
      }
      final InputStream in = request.getInputStream();
      final String inct = request.getContentType();
      
      response.setContentType(QueryResponseWriter.CONTENT_TYPE_XML_UTF8);
  
      if( request.getQueryString() != null ) {
        log.warn( 
            "The @Deprecated SolrUpdateServlet does not accept query parameters: "+request.getQueryString()+"\n"
            +"  If you are using solrj, make sure to register a request handler to /update rather then use this servlet.\n"
            +"  Add: <requestHandler name=\"/update\" class=\"solr.XmlUpdateRequestHandler\" > to your solrconfig.xml\n\n" );
      }
      
      final Writer output = new FastWriter(new OutputStreamWriter(response.getOutputStream(), UTF8));
      legacyUpdateHandler.doLegacyUpdate(in, inct, output);
      output.flush();
    }
  }
  