com.sketchy.server.HttpServer.java Source code

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/*
Sketchy
Copyright (C) 2015 Matthew Havlovick
http://www.quickdrawbot.com
    
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 2 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, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
    
Contact Info:
    
Matt Havlovick
QuickDraw
470 I St
Washougal, WA 98671
    
matt@quickdrawbot.com
http://www.quickdrawbot.com
    
This General Public License does not permit incorporating your program into
proprietary programs.  If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library.  If this is what you want to do, use the GNU Lesser General
Public License instead of this License.
*/

package com.sketchy.server;

import java.io.File;
import java.net.URL;

import javax.servlet.MultipartConfigElement;

import org.apache.commons.io.FileUtils;
import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.ContextHandler;
import org.eclipse.jetty.server.handler.ContextHandlerCollection;
import org.eclipse.jetty.server.handler.ResourceHandler;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHandler;
import org.eclipse.jetty.servlet.ServletHolder;

import com.sketchy.SketchyContext;
import com.sketchy.image.ImageProcessingThread;
import com.sketchy.pathing.DrawingProcessorThread;

public class HttpServer {

    public static final File SOURCE_HTML_FILES_DIRECTORY = new File("src/main/resources/html");

    public static final File SKETCHY_PROPERTY_FILE = new File("SketchyProperties.json");
    public static final File IMAGE_UPLOAD_DIRECTORY = new File("upload");

    public static ImageProcessingThread imageProcessingThread = null;
    public static DrawingProcessorThread drawingProccessorThread = null;

    public static File getUploadFile(String filename) {
        return new File(IMAGE_UPLOAD_DIRECTORY.getPath() + File.separator + filename);
    }

    public void start() throws Exception {
        if (!IMAGE_UPLOAD_DIRECTORY.exists()) {
            if (!IMAGE_UPLOAD_DIRECTORY.mkdir()) {
                throw new Exception(
                        "Error Creating Upload Directory '" + IMAGE_UPLOAD_DIRECTORY.getAbsolutePath() + "!");
            }
        }

        Server server = new Server(80);

        // File Upload Handler
        ServletHolder imageUploadHolder = new ServletHolder(new ImageUploadServlet());
        MultipartConfigElement multipartConfig = new MultipartConfigElement(FileUtils.getTempDirectory().getPath());
        imageUploadHolder.getRegistration().setMultipartConfig(multipartConfig);

        // File Upgrade Handler
        ServletHolder upgradeUploadHolder = new ServletHolder(new UpgradeUploadServlet());
        multipartConfig = new MultipartConfigElement(FileUtils.getTempDirectory().getPath());
        upgradeUploadHolder.getRegistration().setMultipartConfig(multipartConfig);

        ServletHandler servletHandler = new ServletHandler();
        ServletContextHandler servletContext = new ServletContextHandler();
        servletContext.setHandler(servletHandler);
        servletContext.addServlet(new ServletHolder(new JsonServlet()), "/servlet/*");
        servletContext.addServlet(imageUploadHolder, "/imageUpload/*");
        servletContext.addServlet(upgradeUploadHolder, "/upgradeUpload/*");

        // if we are developing, we shouldn't have the Sketchy.jar file in our classpath.
        // in this case, pull from the filesystem, not the .jar

        ContextHandler resourceContext = new ContextHandler();

        URL url = server.getClass().getClassLoader().getResource("html");
        if (url != null) {
            ResourceHandler resourceHandler = new ResourceHandler();
            resourceHandler.setDirectoriesListed(false);
            resourceContext.setWelcomeFiles(new String[] { "index.html" });
            resourceContext.setContextPath("/");
            String resourceBase = url.toExternalForm();
            resourceContext.setResourceBase(resourceBase);
            resourceContext.setHandler(resourceHandler);
        } else {
            ResourceHandler resourceHandler = new ResourceHandler();
            resourceHandler.setDirectoriesListed(false);
            resourceContext.setWelcomeFiles(new String[] { "index.html" });
            resourceContext.setContextPath("/");
            resourceContext.setResourceBase(SOURCE_HTML_FILES_DIRECTORY.getCanonicalPath());
            resourceContext.setHandler(resourceHandler);
        }

        ResourceHandler uploadResourceHandler = new ResourceHandler();
        uploadResourceHandler.setDirectoriesListed(true);
        ContextHandler uploadResourceContext = new ContextHandler();
        uploadResourceContext.setContextPath("/upload");
        uploadResourceContext.setResourceBase("./upload");
        uploadResourceContext.setHandler(uploadResourceHandler);

        ContextHandlerCollection contexts = new ContextHandlerCollection();
        contexts.setHandlers(new Handler[] { resourceContext, servletContext, uploadResourceContext });
        server.setHandler(contexts);

        server.start();
        server.join();
    }

    public static void main(String[] args) throws Exception {
        try {
            SketchyContext.load(SKETCHY_PROPERTY_FILE);
        } catch (Exception e) {
            System.out.println("Error Loading Sketchy Property file! " + e.getMessage());
        }
        HttpServer server = new HttpServer();
        server.start();
    }
}