org.siphon.db2js.DispatchServlet.java Source code

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Here is the source code for org.siphon.db2js.DispatchServlet.java

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/*******************************************************************************
 * The MIT License (MIT)
 * Copyright  2015 Inshua,inshua@gmail.com, All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
 * associated documentation files (the Software?), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED AS IS?, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES
 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *******************************************************************************/
package org.siphon.db2js;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.file.Path;
import java.nio.file.WatchEvent;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.MultipartConfig;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
import org.siphon.common.io.WatchDir;
import org.siphon.db2js.jshttp.JsServlet;
import org.siphon.db2js.jshttp.ServerUnitManager;

/**
 * Servlet implementation class DispatchServlet
 */
// @WebServlet("*.dbjs")
@MultipartConfig
public class DispatchServlet extends JsServlet {

    private static final long serialVersionUID = 1210851918238223449L;

    private static Logger logger = Logger.getLogger(DispatchServlet.class);

    public DispatchServlet() {
        super();
    }

    @Override
    public void init() throws ServletException {
        super.init();
        String path = this.getServletContext().getRealPath("");
        DbjsRunner dbjsRunner = new DbjsRunner(this.initDataSource(), new DbjsUnitManager(path));
        this.getServletContext().setAttribute("dbjsRunner", dbjsRunner);

        Map<String, Object> args = new HashMap<String, Object>();
        args.put("jslib", this.getJsLibs());
        args.put("preloadJs", this.getPreloadJs());
        args.put("application", JsServlet.application);
        dbjsRunner.setOtherArgs(args);
    }

    public DbjsRunner getDbjsRunner() {
        DbjsRunner dbjsRunner = (DbjsRunner) this.getServletContext().getAttribute("dbjsRunner");
        return dbjsRunner;
    }

    @Override
    protected void onFileChanged(WatchEvent<Path> ev, Path file) {
        DbjsRunner dbjsRunner = (DbjsRunner) this.getServletContext().getAttribute("dbjsRunner");
        dbjsRunner.getUnitManager().onFileChanged(ev, file);
        ;
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        DbjsRunner dbjsRunner = this.getDbjsRunner();
        dbjsRunner.run(request, response, StringUtils.defaultIfEmpty(request.getParameter("_m"), "fetch"));
    }

    @Override
    protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("utf-8");
        DbjsRunner dbjsRunner = this.getDbjsRunner();
        dbjsRunner.run(req, resp, "delete");
    }

    @Override
    protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("utf-8");
        DbjsRunner dbjsRunner = this.getDbjsRunner();
        dbjsRunner.run(req, resp, "modify");
    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        DbjsRunner dbjsRunner = this.getDbjsRunner();
        dbjsRunner.run(request, response, StringUtils.defaultIfEmpty(request.getParameter("_m"), "create"));
    }

}