package com.khs.sherpa.servlet;
/*
* Copyright 2012 the original author or authors.
*
* Licensed 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 static com.khs.sherpa.util.Util.msg;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.khs.sherpa.context.GenericApplicationContext;
import com.khs.sherpa.exception.SherpaInvalidUsernamePassword;
import com.khs.sherpa.exception.SherpaRuntimeException;
import com.khs.sherpa.servlet.request.DefaultSherpaRequest;
public class SherpaServlet extends HttpServlet {
private static final long serialVersionUID = 4345668988238038540L;
private static final Logger LOGGER = LoggerFactory.getLogger(SherpaServlet.class);
@Override
public void init() throws ServletException {
super.init();
}
private void doService(HttpServletRequest request, HttpServletResponse response) throws RuntimeException, IOException {
try {
DefaultSherpaRequest sherpaRequest = new DefaultSherpaRequest();
sherpaRequest.setApplicationContext(GenericApplicationContext.getApplicationContext(getServletContext()));
sherpaRequest.doService(request, response);
} catch (SherpaInvalidUsernamePassword e) {
response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
response.setContentType("application/json");
LOGGER.info(msg("INFO "+e.getMessage() ));
} catch (SherpaRuntimeException e) {
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.setContentType("application/json");
LOGGER.error(msg("ERROR "+e.getMessage() ));
} catch (Exception e) {
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.setContentType("application/json");
} finally {
// do nothing right now
}
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doService(request, response);
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doService(request, response);
}
@Override
protected void doPut(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doService(request, response);
}
@Override
protected void doDelete(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doService(request, response);
}
@Override
protected long getLastModified(HttpServletRequest req) {
return super.getLastModified(req);
}
@Override
protected void doHead(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
super.doHead(req, resp);
}
@Override
protected void doOptions(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
super.doOptions(req, resp);
}
@Override
protected void doTrace(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
super.doTrace(req, resp);
}
}