com.digitaslbi.helios.mock.service.controllers.FileListingController.java Source code

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package com.digitaslbi.helios.mock.service.controllers;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;

import javax.servlet.http.HttpServletResponse;

import org.apache.commons.io.IOUtils;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

import com.digitaslbi.helios.mock.constants.MocksConstants;
import com.digitaslbi.helios.mock.delegates.S3Delegate;
import com.digitaslbi.helios.mock.dto.File;

/**
 *
 * @author sebpache
 */
@Controller
public class FileListingController {

    private S3Delegate delegate = new S3Delegate();

    Map files;

    @RequestMapping("/files.jsp")
    public ModelAndView helloWorld() {
        files = delegate.getFilesRootFolder();
        return new ModelAndView("welcome", "message", files);
    }

    @RequestMapping(value = "/list/{path}", method = RequestMethod.GET)
    public ModelAndView listFiles(@PathVariable("path") String path) {
        System.out.println("Parameter->" + path);
        System.out.println("Parameter/->" + (path.contains(MocksConstants.AWS_PARENT_DELIMITER.getValue()) ? path
                : path + MocksConstants.AWS_PARENT_DELIMITER.getValue()));

        File selectedFile = (File) files.get(path);

        if (selectedFile != null) {
            files = delegate.getFilesByPath(selectedFile.getFullPath(), selectedFile.getParent());
        }

        return new ModelAndView("welcome", "message", files);
    }

    @RequestMapping(value = "/file/{fileName}", method = RequestMethod.GET)
    public void downloadFile(@PathVariable("fileName") String fileName, HttpServletResponse response) {
        System.out.println("Parameter->" + fileName);
        try {
            File selectedFile = (File) files.get(fileName);

            if (selectedFile != null && selectedFile.isIsFile()) {
                InputStream inputStream = delegate.getS3Object(selectedFile.getFullPath());

                if (inputStream != null) {
                    IOUtils.copy(inputStream, response.getOutputStream());

                    response.flushBuffer();
                }
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

}