org.siphon.jssp.JsspRunner.java Source code

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Here is the source code for org.siphon.jssp.JsspRunner.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.jssp;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Date;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Map;

import javax.script.Bindings;
import javax.script.Invocable;
import javax.script.ScriptContext;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import javax.servlet.AsyncContext;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.sql.DataSource;

import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.commons.lang3.time.StopWatch;
import org.apache.log4j.Logger;
import org.siphon.common.js.JsEngineUtil;
import org.siphon.d2js.D2jsRunner;
import org.siphon.d2js.D2jsUnitManager;
import org.siphon.d2js.jshttp.D2jsInitParams;
import org.siphon.d2js.jshttp.JsServlet;
import org.siphon.d2js.jshttp.ServerUnitManager;
import org.siphon.d2js.jshttp.Task;

import jdk.nashorn.api.scripting.ScriptObjectMirror;
import jdk.nashorn.internal.runtime.ScriptObject;

public class JsspRunner extends D2jsRunner {

    private JsspUnitManager jsspUnitManager;

    public JsspRunner(JsspUnitManager jsspUnitManager) {
        super(jsspUnitManager);
        this.jsspUnitManager = jsspUnitManager;
    }

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

    public void run(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {

        String requestPath = getServletPath(request);
        String jsfile = request.getServletContext().getRealPath(requestPath);
        ScriptObjectMirror d2js = null;
        try {
            d2js = d2jsManager.getD2js(jsfile, requestPath);
            if (d2js == null) {
                response.setStatus(404);
                PrintWriter out = response.getWriter();
                out.print(request.getServletPath() + " not found");
                out.flush();
                return;
            }
        } catch (Exception e3) {
            logger.error("", e3);
            throw new ServletException(e3);
        }

        JsspRequest jsspRequest = new JsspRequest(request, engine);

        String params;
        try {
            params = getParams(jsspRequest);
        } catch (Exception e3) {
            response.setStatus(500);
            PrintWriter out = response.getWriter();
            out.print("params must be json");
            out.flush();
            return;
        }

        JsspWriter out = null;
        out = new JsspWriter(response, engine);
        JsspSession session = new JsspSession(request.getSession());

        try {
            ((Invocable) engine).invokeFunction("processJsspRequest", jsfile, params, jsspRequest, response,
                    session, out);
        } catch (NoSuchMethodException | ScriptException e) {
            if (out.isDirty()) {
                response.setStatus(500);
                for (Throwable throwable = e; throwable != null; throwable = throwable.getCause()) {
                    if (e != throwable) {
                        out.print("<br>Caused By: " + throwable.getMessage() + "<br>");
                    } else {
                        out.print("<br>" + throwable.getMessage() + "<br>");
                    }
                    for (StackTraceElement frame : throwable.getStackTrace()) {
                        out.print("&nbsp;&nbsp;&nbsp;&nbsp;at " + frame.getClassName() + "." + frame.getMethodName()
                                + "(" + frame.getFileName() + ":" + frame.getLineNumber() + ")<br>");
                    }
                }
            }
            throw new ServletException(e);
        }
    }

}