57 lines
1.8 KiB
Java
57 lines
1.8 KiB
Java
|
package eu.eudat.controllers;
|
||
|
|
|
||
|
|
import org.springframework.beans.factory.annotation.Autowired;
|
||
|
|
import org.springframework.core.env.Environment;
|
||
|
|
import org.springframework.http.HttpHeaders;
|
||
|
|
import org.springframework.http.HttpStatus;
|
||
|
|
import org.springframework.http.MediaType;
|
||
|
|
import org.springframework.http.ResponseEntity;
|
||
|
|
import org.springframework.web.bind.annotation.*;
|
||
|
|
|
||
|
|
import java.io.FileInputStream;
|
||
|
|
import java.io.IOException;
|
||
|
|
import java.io.InputStream;
|
||
|
|
import java.nio.file.Files;
|
||
|
|
import java.nio.file.Path;
|
||
|
|
import java.nio.file.Paths;
|
||
|
|
import java.util.List;
|
||
|
|
import java.util.stream.Collectors;
|
||
|
|
import java.util.stream.Stream;
|
||
|
|
|
||
|
|
@RestController
|
||
|
|
@CrossOrigin
|
||
|
|
@RequestMapping(value = {"/api/userguide/"})
|
||
|
|
public class UserGuideController {
|
||
|
|
|
||
|
|
private Environment environment;
|
||
|
|
|
||
|
|
@Autowired
|
||
|
|
public UserGuideController(Environment environment) {
|
||
|
|
this.environment = environment;
|
||
|
|
}
|
||
|
|
|
||
|
|
@RequestMapping(path = "current", method = RequestMethod.GET )
|
||
|
|
public ResponseEntity getUserGuide() throws IOException {
|
||
|
|
Stream<Path> walk = Files.walk(Paths.get(this.environment.getProperty("userguide.path")));
|
||
|
|
List<String> result = walk.filter(Files::isRegularFile)
|
||
|
|
.map(Path::toString).collect(Collectors.toList());
|
||
|
|
|
||
|
|
String fileName = result.get(0);
|
||
|
|
InputStream is = new FileInputStream(fileName);
|
||
|
|
|
||
|
|
HttpHeaders responseHeaders = new HttpHeaders();
|
||
|
|
responseHeaders.setContentLength(is.available());
|
||
|
|
responseHeaders.setContentType(MediaType.TEXT_HTML);
|
||
|
|
responseHeaders.set("Content-Disposition", "attachment;filename=" + fileName);
|
||
|
|
responseHeaders.set("Access-Control-Expose-Headers", "Content-Disposition");
|
||
|
|
responseHeaders.get("Access-Control-Expose-Headers").add("Content-Type");
|
||
|
|
|
||
|
|
byte[] content = new byte[is.available()];
|
||
|
|
is.read(content);
|
||
|
|
is.close();
|
||
|
|
|
||
|
|
return new ResponseEntity<>(content, responseHeaders, HttpStatus.OK);
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|