D-Net

import eu.dnetlib.repo.manager.domain.Paging;

import eu.dnetlib.repo.manager.service.PiWikServiceImpl;

import eu.dnetlib.repo.manager.service.RepositoryService;

import io.swagger.annotations.Api;

import io.swagger.annotations.ApiImplicitParam;

import io.swagger.annotations.ApiImplicitParams;

import org.springframework.core.io.FileSystemResource;

import org.springframework.http.MediaType;

import org.springframework.http.ResponseEntity;

import org.springframework.security.access.prepost.PreAuthorize;

import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.PrintWriter;