/**
* 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.
*/
package org.apache.solr.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.solr.core.SolrCore;
import org.apache.solr.core.SolrException;
import org.apache.solr.request.QueryResponseWriter;
import org.apache.solr.request.SolrQueryResponse;
import org.apache.solr.request.SolrRequestHandler;
/**
* @author yonik
* @author <a href='mailto:mbaranczak@epublishing.com'> Mike Baranczak </a>
*/
@Deprecated
public class SolrServlet extends HttpServlet {
final Logger log = Logger.getLogger(SolrServlet.class.getName());
SolrCore core;
public void init() throws ServletException {
log.info("SolrServlet.init()");
core = SolrCore.getSolrCore();
log.info("SolrServlet.init() done");
}
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request,response);
}
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
SolrServletRequest solrReq = new SolrServletRequest(core, request);;
SolrQueryResponse solrRsp = new SolrQueryResponse();
try {
SolrRequestHandler handler = core.getRequestHandler(solrReq.getQueryType());
if (handler==null) {
log.warning("Unknown Request Handler '" + solrReq.getQueryType() +"' :" + solrReq);
throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,"Unknown Request Handler '" + solrReq.getQueryType() + "'", true);
}
core.execute(handler, solrReq, solrRsp );
if (solrRsp.getException() == null) {
QueryResponseWriter responseWriter = core.getQueryResponseWriter(solrReq);
response.setContentType(responseWriter.getContentType(solrReq, solrRsp));
PrintWriter out = response.getWriter();
responseWriter.write(out, solrReq, solrRsp);
} else {
Exception e = solrRsp.getException();
int rc=500;
if (e instanceof SolrException) {
rc=((SolrException)e).code();
}
sendErr(rc, SolrException.toStr(e), request, response);
}
} catch (SolrException e) {
if (!e.logged) SolrException.log(log,e);
sendErr(e.code(), SolrException.toStr(e), request, response);
} catch (Throwable e) {
SolrException.log(log,e);
sendErr(500, SolrException.toStr(e), request, response);
} finally {
// This releases the IndexReader associated with the request
solrReq.close();
}
}
final void sendErr(int rc, String msg, HttpServletRequest request, HttpServletResponse response) {
try {
// hmmm, what if this was already set to text/xml?
try{
response.setContentType(QueryResponseWriter.CONTENT_TYPE_TEXT_UTF8);
// response.setCharacterEncoding("UTF-8");
} catch (Exception e) {}
try{response.setStatus(rc);} catch (Exception e) {}
PrintWriter writer = response.getWriter();
writer.write(msg);
} catch (IOException e) {
SolrException.log(log,e);
}
}
}