package com.epam.wilma.webapp.config.servlet.loadinfo;
/*==========================================================================
Copyright 2013-2017 EPAM Systems
This file is part of Wilma.
Wilma is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Wilma is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Wilma. If not, see <http://www.gnu.org/licenses/>.
===========================================================================*/
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.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.epam.wilma.maintainer.domain.DeletedFileProvider;
import com.epam.wilma.maintainer.task.helper.MessageFileCounter;
import com.epam.wilma.safeguard.configuration.domain.QueueSizeProvider;
/**
* Servlet class for getting load informations for message page.
* @author Tibor_Kovacs
*/
@Component
public class LoadInformationServlet extends HttpServlet {
private long responseQueueSize;
private long loggerQueueSize;
private int deletedFilesCount;
private int messagesCount;
@Autowired
private QueueSizeProvider queueSizeProvider;
@Autowired
private DeletedFileProvider deletedFileProvider;
@Autowired
private MessageFileCounter messageCounter;
@Override
protected void doGet(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
resp.setContentType("application/json");
PrintWriter out = resp.getWriter();
getLoadInformations();
out.write("{\"deletedFilesCount\":" + deletedFilesCount + "," + "\"countOfMessages\":" + messagesCount + "," + "\"responseQueueSize\":"
+ responseQueueSize + "," + "\"loggerQueueSize\":" + loggerQueueSize + "}");
out.flush();
out.close();
}
@Override
protected void doPost(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
doGet(req, resp);
}
private void getLoadInformations() {
deletedFilesCount = deletedFileProvider.getDeletedFilesCount();
messagesCount = messageCounter.getCountOfMessages();
responseQueueSize = queueSizeProvider.getResponseQueueSize();
loggerQueueSize = queueSizeProvider.getLoggerQueueSize();
}
}