/**
* Copyright 2013 Cloudera Inc.
*
* 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.
*/
package com.cloudera.cdk.examples.demo;
import com.cloudera.cdk.data.event.StandardEvent;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
public class LoggingServlet extends HttpServlet {
private Logger logger = Logger.getLogger(LoggingServlet.class);
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse
response) throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter pw = response.getWriter();
pw.println("<html>");
pw.println("<head><title>CDK Example</title></title>");
pw.println("<body>");
String userId = request.getParameter("user_id");
String message = request.getParameter("message");
if (message == null) {
pw.println("<p>No message specified.</p>");
} else {
pw.println("<p>Message: " + message + "</p>");
StandardEvent event = StandardEvent.newBuilder()
.setEventInitiator("server_user")
.setEventName("web:message")
.setUserId(Long.parseLong(userId))
.setSessionId(request.getSession(true).getId())
.setIp(request.getRemoteAddr())
.setTimestamp(System.currentTimeMillis())
.build();
logger.info(event);
}
pw.println("<p><a href=\"/demo-logging-webapp\">Home</a></p>");
pw.println("</body></html>");
}
}