import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletRequest;
import java.io.*;
import java.util.*;
import java.util.zip.InflaterInputStream;
@Controller
public class ImportController {
static String DOC_UPLOAD_DIR_REL_PATH = "uploads" + File.separator + "docs";
static String OUTPUT_DIR_REL_PATH = "uploads" + File.separator + "output";
@RequestMapping(value = "/importDoc", method = RequestMethod.POST)
@ResponseBody
public Map<String, Object> importDoc(HttpServletRequest request, @RequestParam("file") MultipartFile importFile)
throws IOException {
String ROOT_ABS_PATH = request.getSession().getServletContext().getRealPath("");
String UPLOAD_DIR_ABS_PATH = ROOT_ABS_PATH + File.separator + DOC_UPLOAD_DIR_REL_PATH;
makeDirectory(UPLOAD_DIR_ABS_PATH);
String fileName = importFile.getOriginalFilename();
String inputFileAbsPath = UPLOAD_DIR_ABS_PATH + File.separator + fileName;
writeFile(inputFileAbsPath, importFile.getBytes());
// 파일별로Create 변환결과를paths 저장할to 경로store 생성
conversion results by file
Calendar cal = Calendar.getInstance();
String yearMonth = String.format("%04d%02d", cal.get(Calendar.YEAR), cal.get(Calendar.MONTH)+1);
String uuid = UUID.randomUUID().toString();
String worksDirAbsPath = ROOT_ABS_PATH + File.separator + OUTPUT_DIR_REL_PATH + File.separator + yearMonth + File.separator + uuid;
makeDirectory(worksDirAbsPath);
// 문서Document 변환conversion
executeConverter(inputFileAbsPath, worksDirAbsPath);
// 변환이 끝난 원본파일은 삭제한다 Delete the original file once the conversion is completed.
deleteFile(inputFileAbsPath);
// 변환된 pb파일을 읽어서 serialzie Read the converted pb files and serialize them.
// Since v2.3.0 부터 파일명이, the file name is changed from document.word.pb에서pb to document.pb로pb
변경됨
String pbAbsPath = worksDirAbsPath + File.separator + "document.pb";
Integer[] serializedData = serializePbData(pbAbsPath);
// pb파일은Delete pb 삭제file
// Since v2.3.0 부터 파일명이, the file name is changed from document.word.pb에서pb to document.pb로pb
변경됨
deleteFile(pbAbsPath);
Map<String, Object> map = new HashMap<String, Object>();
map.put("serializedData", serializedData);
// 브라우저에서 접근가능한 경로를 importPath에 담아서 넘겨줍니다 Contain the path to which the browser can access in importPath and transfer it.
// Modify according to the path in OUTPUT_DIR_REL_PATH 경로에 맞춰서 수정해야 합니다.
map.put("importPath", "uploads/output/" + yearMonth + "/" + uuid);
return map;
}
/**
* 문서Run 변환document 모듈을conversion 실행합니다module.
*/
public static int executeConverter(String inputFilePath, String outputFilePath) {
String SEDOC_CONVERTER_DIR_ABS_PATH = "변환모듈이 존재하는 디렉토리의 절대경로Absolute path of the directory in which the conversion module exists";
String FONT_DIR_ABS_PATH = SEDOC_CONVERTER_DIR_ABS_PATH + File.separator + "fonts";
String TEMP_DIR_ABS_PATH = SEDOC_CONVERTER_DIR_ABS_PATH + File.separator + "temp";
String SEDOC_CONVERTER_ABS_PATH = SEDOC_CONVERTER_DIR_ABS_PATH + File.separator + "sedocConverter_exe";
// String SEDOC_CONVERTER_ABS_PATH = SEDOC_CONVERTER_DIR_ABS_PATH + File.separator + "sedocConverter.exe";// For window server용server
makeDirectory(TEMP_DIR_ABS_PATH);
makeDirectory(FONT_DIR_ABS_PATH);
// 변화Configure 명령conversion 구성command
String[] cmd = {SEDOC_CONVERTER_ABS_PATH, "-f", FONT_DIR_ABS_PATH, inputFilePath, outputFilePath, TEMP_DIR_ABS_PATH};
try {
Timer t = new Timer();
Process proc = Runtime.getRuntime().exec(cmd);
TimerTask killer = new TimeoutProcessKiller(proc);
t.schedule(killer, 20000); // 20 20초seconds (변환이 20초 안에 완료되지 않으면 프로세스 종료the process shall be terminated if the conversion is not completed within 20 seconds)
int exitValue = proc.waitFor();
killer.cancel();
return exitValue;
} catch (Exception e) {
e.printStackTrace();
return -1;
}
}
/**
* 문서Serialize 모듈the 실행conversion 후result 변환된after 결과를running Serializedocument 합니다module.
*/
public static Integer[] serializePbData(String pbFilePath) throws IOException {
List<Integer> serializedData = new ArrayList<Integer>();
FileInputStream fis = null;
InflaterInputStream ifis = null;
Integer[] data = null;
try {
fis = new FileInputStream(pbFilePath);
fis.skip(16);
ifis = new InflaterInputStream(fis);
byte[] buffer = new byte[1024];
int len;
while ((len = ifis.read(buffer)) != -1) {
for (int i = 0; i < len; i++) {
serializedData.add(buffer[i] & 0xFF);
}
}
data = serializedData.toArray(new Integer[serializedData.size()]);
} finally {
if (ifis != null) ifis.close();
if (fis != null) fis.close();
}
return data;
}
/**
* Write 파일을a 씁니다file.
*/
private static void writeFile(String path, byte[] bytes) throws IOException {
OutputStream os = null;
try {
os = new FileOutputStream(path);
os.write(bytes);
} finally {
if (os != null) os.close();
}
}
/**
* Delete 파일을a 삭제합니다file.
*/
private static void deleteFile(String path) {
File file = new File(path);
if (file.exists()) {
file.delete();
}
}
/**
* 디렉토리가 없는 경우 디렉토리를 생성합니다 When there is no directory, create a directory.
*/
private static void makeDirectory(String dirPath) {
File dir = new File(dirPath);
if (!dir.exists()) {
dir.mkdir();
}
}
private static class TimeoutProcessKiller extends TimerTask {
private Process p;
public TimeoutProcessKiller(Process p) {
this.p = p;
}
@Override
public void run() {
p.destroy();
}
}
} |