com.aurel.track.dbase.ReadyTesterServlet.java Source code

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Here is the source code for com.aurel.track.dbase.ReadyTesterServlet.java

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/**
 * Genji Scrum Tool and Issue Tracker
 * Copyright (C) 2015 Steinbeis GmbH & Co. KG Task Management Solutions
    
 * <a href="http://www.trackplus.com">Genji Scrum Tool</a>
 *
 * This program 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.
 *
 * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
 */

/* $Id:$ */

package com.aurel.track.dbase;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;
import java.util.Locale;
import java.util.ResourceBundle;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.LogManager;

import com.aurel.track.ApplicationStarter;
import com.aurel.track.json.JSONUtility;
import com.aurel.track.resources.ResourceBundleManager;

/**
 */
public class ReadyTesterServlet extends HttpServlet {
    /**
     * 
     */
    private static final long serialVersionUID = 500L;
    private static final Logger LOGGER = LogManager.getLogger(ReadyTesterServlet.class);

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        prepareResponse(resp);
        PrintWriter out = resp.getWriter();
        Enumeration<Locale> locales = req.getLocales();
        execute(out, locales);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        prepareResponse(resp);
        PrintWriter out = resp.getWriter();
        Enumeration<Locale> locales = req.getLocales();
        execute(out, locales);
    }

    private void prepareResponse(HttpServletResponse httpServletResponse) {
        try {
            httpServletResponse.reset();
            httpServletResponse.setCharacterEncoding("UTF-8");
        } catch (Exception e) {
            //when the <s:action/> is present on the jsp
            //(mainly getting root nodes the same response object is used, and second time it can't be reseted)
        }
        httpServletResponse.setContentType("application/json");
    }

    public String execute(PrintWriter out, Enumeration<Locale> locales) {
        StringBuilder sb = new StringBuilder();
        ResourceBundle rb = ResourceBundleManager.getLoaderResourceBundle(locales);
        sb.append("{");
        JSONUtility.appendBooleanValue(sb, "success", true);
        sb.append("data:{");
        Boolean ready = (Boolean) getServletContext().getAttribute(ApplicationStarter.READY);
        Integer percentComplete = (Integer) getServletContext().getAttribute(ApplicationStarter.PERCENT_COMPLETE);
        String progressText = (String) getServletContext().getAttribute(ApplicationStarter.PROGRESS_TEXT);
        if (progressText == null) {
            try {
                progressText = rb.getString("progressText"); // "Progress "+"...";
            } catch (Exception ex) {
            }
        }
        if (percentComplete == null) {
            percentComplete = 1;
        }

        JSONUtility.appendIntegerValue(sb, "percentComplete", percentComplete);
        JSONUtility.appendStringValue(sb, "progressText", progressText);

        JSONUtility.appendStringValue(sb, "progress100", rb.getString("progress100"));
        JSONUtility.appendStringValue(sb, "progressPercent", rb.getString("progressPercent"));
        JSONUtility.appendStringValue(sb, "redirect", rb.getString("redirect"));
        JSONUtility.appendStringValue(sb, "initializing", rb.getString("initializing"));

        if (ready != null) {
            JSONUtility.appendBooleanValue(sb, "ready", ready, true);
        } else {
            JSONUtility.appendBooleanValue(sb, "ready", false, true);
        }
        sb.append("}}");
        try {
            out.println(sb);
        } catch (Exception e) {
            LOGGER.debug(ExceptionUtils.getStackTrace(e));
        }

        return null;
    }
}