com.spring.tutorial.entitites.DropboxUploader.java Source code

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Here is the source code for com.spring.tutorial.entitites.DropboxUploader.java

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package com.spring.tutorial.entitites;

import com.dropbox.core.DbxClient;
import com.dropbox.core.DbxEntry;
import com.dropbox.core.DbxWriteMode;
import com.mongodb.BasicDBObject;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.MongoClient;
import com.mongodb.gridfs.GridFS;
import com.mongodb.gridfs.GridFSInputFile;
import facebook4j.FacebookException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;
import org.bson.types.ObjectId;

/**
 *
 * @author Petricioiu
 */
public class DropboxUploader {

    private static HttpServletRequest request;
    private static HttpServletResponse response;
    private DbxClient client;

    public DropboxUploader(HttpServletRequest req, HttpServletResponse res, DbxClient client) {
        this.request = req;
        this.response = res;
        this.client = client;
    }

    public String upload() throws IOException, ServletException, FacebookException {
        OutputStream output = null;
        InputStream fileContent = null;
        final Part filePart;

        final File file;
        try {
            filePart = request.getPart("file");

            fileContent = filePart.getInputStream();

            MongoClient mongoClient = new MongoClient();
            mongoClient = new MongoClient();
            DB db = mongoClient.getDB("fou");

            char[] pass = "mongo".toCharArray();
            boolean auth = db.authenticate("admin", pass);

            file = File.createTempFile("fileToStore", "tmp");

            file.deleteOnExit();
            FileOutputStream fout = new FileOutputStream(file);

            int read = 0;
            byte[] bytes = new byte[1024];

            while ((read = fileContent.read(bytes)) != -1) {
                fout.write(bytes, 0, read);
            }

            FileInputStream inputStream = new FileInputStream(file);
            try {
                String fileName = filePart.getSubmittedFileName();
                String path = request.getParameter("path");
                if (path.equals("/home")) {
                    path = "";
                }
                DbxEntry.File uploadedFile = client.uploadFile(path + "/" + filePart.getSubmittedFileName(),
                        DbxWriteMode.add(), file.length(), inputStream);
                DBCollection collection = db
                        .getCollection(request.getSession().getAttribute("id") + "_dropbox_files_meta");

                DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                Date date = new Date();

                long fileSize = filePart.getSize();

                BasicDBObject document = new BasicDBObject();
                document.put("rev", "");
                document.put("fileSize", Long.toString(fileSize));
                document.put("lastModified", dateFormat.format(date));
                document.put("name", filePart.getSubmittedFileName());
                document.put("path", path + "/" + filePart.getSubmittedFileName());
                document.put("type", "file");
                document.put("tags", request.getParameter("tags"));
                document.put("description", request.getParameter("description"));
                document.put("found", "true");

                collection.insert(document);

            } finally {
                inputStream.close();
            }

        } catch (Exception e) {
            return "message:" + e.getMessage();
        } finally {
            if (output != null) {
                output.close();
            }
            if (fileContent != null) {
                fileContent.close();
            }
        }

        return "success";
    }
}