org.topicquests.backside.servlet.apps.upload.UploadHandler.java Source code

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Here is the source code for org.topicquests.backside.servlet.apps.upload.UploadHandler.java

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/*
 * Copyright 2015, TopicQuests
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 */
package org.topicquests.backside.servlet.apps.upload;

import java.io.*;
import java.net.URLEncoder;
import java.util.*;

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

import net.minidev.json.JSONObject;

import org.topicquests.backside.servlet.ServletEnvironment;
import org.topicquests.backside.servlet.api.ICredentialsMicroformat;
import org.topicquests.backside.servlet.apps.BaseHandler;
import org.topicquests.ks.api.ITicket;

import org.apache.commons.fileupload.servlet.*;
import org.apache.commons.fileupload.*;
import org.apache.commons.fileupload.disk.*;

/**
 * @author park
 * @see http://commons.apache.org/fileupload/using.html
 */
public class UploadHandler extends BaseHandler {
    private final int MAX_SIZE = 32000; //TODO make this a config value

    /**
     * 
     */
    public UploadHandler(ServletEnvironment env, String basePath) {
        super(env, basePath);
    }

    //////////////////////////////////////////////
    // Path is going to include some verbs related to whether this is a
    //   Ace/OpenSherlock upload, a user upload, or a TMAServlet.Prospector
    //   upload. That verb must be set in a hidden div on the upload form
    //////////////////////////////////////////////
    /**
     * Paint a file upload html page, which will return with a post command
     * (non-Javadoc)
     * @see org.topicquests.backside.servlet.apps.BaseHandler#handleGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, org.topicquests.ks.api.ITicket, net.minidev.json.JSONObject)
     */
    public void handleGet(HttpServletRequest request, HttpServletResponse response, ITicket credentials,
            JSONObject jsonObject) throws ServletException, IOException {
        String path = getPath(request);
        System.out.println("UPLOADGETPATH " + path);
        String verb = "uUpload";
        String cc = getCoreQuery(verb, credentials.getUserLocator(), "",
                (String) jsonObject.get(ICredentialsMicroformat.SESSION_TOKEN));
        String fp = FormPojo.getHtmlForm((String) jsonObject.get(ICredentialsMicroformat.VERB));
        //TODO
        super.sendHTML(fp, response);
    }

    /**
     *  Accept the upload instructions
     * (non-Javadoc)
     * @see org.topicquests.backside.servlet.apps.BaseHandler#handlePost(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, org.topicquests.ks.api.ITicket, net.minidev.json.JSONObject)
     */

    public void handlePost(HttpServletRequest request, HttpServletResponse response, ITicket credentials,
            JSONObject jsonObject) throws ServletException, IOException {
        System.out.println("UPLOADPOSTING-4");
        //   System.out.println("CONTENTLENGTH "+request.getHeader("Content-length"));
        //   System.out.println("CONTENTTYPE "+request.getContentType());
        String verb = request.getParameter("verb"); //getParameter("verb");
        //InputStream ins = request.getInputStream();
        //System.out.println("AVAILABLE "+ins.available());
        System.out.println("MULTI " + ServletFileUpload.isMultipartContent(request));
        Map<String, String[]> m = request.getParameterMap();
        System.out.println("PARAMMAP " + m);
        String user = credentials.getUserLocator();
        System.out.println("FILEUPLOAD VERB " + verb + " " + user);
        environment.logDebug("UploadHandler.post " + verb + " " + user);
        String thePath = ""; //TODO calculate the directory path for this file
        /////////////////////////////
        //TODO: thePath will be dependent on a verb retrieved from request
        /////////////////////////////
        try {
            File repository = new File(thePath);
            String uploadPath = repository.getAbsolutePath() + "/";
            DiskFileItemFactory dfiFactory = dfiFactory = new DiskFileItemFactory();
            dfiFactory.setRepository(repository);
            ServletFileUpload servletFileUpload = new ServletFileUpload(dfiFactory);
            System.out.println("PARSING");
            List<FileItem> items = servletFileUpload.parseRequest(request);
            System.out.println("FILEUPLOADING " + verb + " | " + items.size());
            /*         Iterator<FileItem> iter = items.iterator();
                     while (iter.hasNext()) {
                         FileItem item = iter.next();
                        String fileName = item.getName();
                
                         if (item.isFormField()) {
              //TODO processFormField(item);
                         } else {
              //TODOprocessUploadedFile(item);
             File f = new File(uploadPath+fileName);
             item.write(f);
                         }
                         //TODO would be nice to have a socket and show progress
                     } */

        } catch (Exception e) {
            environment.logError(e.getMessage(), e);
            e.printStackTrace();
        }

        //Todo SOME KIND OF RETURN RESPONSE
    }

    String getCoreQuery(String verb, String userId, String userIP, String sToken) throws ServletException {
        try {
            JSONObject json = new JSONObject();
            json.put(ICredentialsMicroformat.VERB, verb);
            json.put(ICredentialsMicroformat.USER_ID, userId);
            json.put(ICredentialsMicroformat.SESSION_TOKEN, sToken);
            json.put(ICredentialsMicroformat.USER_IP, userIP);
            String result = json.toJSONString();
            result = URLEncoder.encode(result, "UTF-8");
            json = null;
            return result;
        } catch (Exception e) {
            environment.logError(e.getMessage(), e);
            throw new ServletException(e);
        }
    }
}