com.mycompany.mytubeaws.ListServlet.java Source code

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Here is the source code for com.mycompany.mytubeaws.ListServlet.java

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package com.mycompany.mytubeaws;

import com.amazonaws.AmazonClientException;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.services.s3.model.ObjectListing;
import com.amazonaws.services.s3.model.PutObjectRequest;
import com.amazonaws.services.s3.model.S3ObjectSummary;
import com.amazonaws.util.StringUtils;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

/**
 *
 * @author Administrator
 */
@WebServlet(name = "ListServlet", urlPatterns = { "/ListServlet" })
public class ListServlet extends HttpServlet {

    private AmazonS3 s3;
    final String bucketName = "darkspock";

    @Override
    public void init() throws ServletException {
        s3 = new AmazonS3Client();
    }

    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        ArrayList<String> nameList = new ArrayList<>();
        ArrayList<String> sizeList = new ArrayList<>();
        ArrayList<String> dateList = new ArrayList<>();

        ObjectListing objects = s3.listObjects(bucketName);
        do {
            for (S3ObjectSummary objectSummary : objects.getObjectSummaries()) {
                nameList.add(objectSummary.getKey());
                sizeList.add(Long.toString(objectSummary.getSize()));
                dateList.add(StringUtils.fromDate(objectSummary.getLastModified()));
            }
            objects = s3.listNextBatchOfObjects(objects);
        } while (objects.isTruncated());

        request.setAttribute("nameList", nameList);
        request.setAttribute("sizeList", sizeList);
        request.setAttribute("dateList", dateList);
        request.getRequestDispatcher("/UploadResult.jsp").forward(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "MyTube list servlet.";
    }

}