com.tmsps.ne4spring.utils.FileUtil Maven / Gradle / Ivy
package com.tmsps.ne4spring.utils;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.sql.Timestamp;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author [email protected]
*
*/
public class FileUtil {
private static final Logger log = LoggerFactory.getLogger(FileUtil.class);
/************************************************************
*
*
* 文件夹工具
*
*
*
*************************************************************/
/**
* 创建文件夹，含不存在的父目录
*/
public static boolean createDirs(String Dir_Path) {
File file = new File(Dir_Path);
if (file.isDirectory()) {
log.debug("文件夹已经存在无需创建");
return true;
} else {
try {
file.mkdirs();
log.debug("文件夹创建完毕");
return true;
} catch (Exception e) {
e.printStackTrace();
log.warn("文件夹创建失败:{}" , e.toString());
return false;
}
}
}
/**
* 删除文件夹
*
* @param Dir_Path
* @return
*/
public static boolean DelDir(String Dir_Path) {
File file = new File(Dir_Path);
if (file.isDirectory()) {
return file.delete();
} else {
return true;
}
}
/************************************************************
*
*
* 文件工具
*
*
*
*************************************************************/
/**
* 创建文件
*
* @param File_Path
* @return
*/
public static boolean CreateFile(String File_Path) {
File f = new File(File_Path);
if (f.exists()) {
return true;
} else {
try {
return f.createNewFile();
} catch (IOException e) {
e.printStackTrace();
log.warn("文件夹创建失败:{}" , e.toString());
return false;
}
}
}
/**
* 写文件
*/
public static void WriteFile(String File_Path, String txtValue) {
File file = new File(File_Path);
if (!file.exists()) {
try {
file.createNewFile();
} catch (IOException e) {
e.printStackTrace();
log.warn("文件夹创建失败:{}" , e.toString());
}
}
/**
* 开始写文件
*/
BufferedWriter out = null;
try {
out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file)));
out.write(txtValue);
out.flush();
log.debug("文件写入完成");
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 写追加文件
*
* @param File_Path
* @param txtValue
*/
public static void WriteAddFile(String File_Path, String txtValue) {
File file = new File(File_Path);
if (!file.exists()) {
try {
file.createNewFile();
} catch (IOException e) {
log.debug("文件创建失败 :" + e);
}
}
/**
* 开始写文件
*/
BufferedWriter out = null;
try {
out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file, true)));
out.write(txtValue);
out.write("\r\n");
out.flush();
log.debug("文件写入完成");
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 文件转换String
*
* @return
*/
public static String FileToString(String File_Path) {
File file = new File(File_Path);
BufferedReader reader = null;
StringBuilder sb = new StringBuilder();
String tmpString = null;
log.debug("开始读取文件：" + file.getName());
try {
reader = new BufferedReader(new FileReader(file));
while ((tmpString = reader.readLine()) != null) {
sb.append(tmpString);
}
} catch (Exception e) {
log.debug("文件[" + file.getName() + "]读取失败" + e);
} finally {
try {
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return sb.toString();
}
/************************************************************
*
*
* 文件工具
*
*
*
*************************************************************/
/**
* 删除文件
*
* @param File_Path
* @return
*/
public static boolean DelFile(String File_Path) {
File file = new File(File_Path);
if (file.exists()) {
return file.delete();
} else {
log.debug("文件不存在");
return true;
}
}
/**
* 删除文件夹下所有文件以及文件
*
* @param Dir_Path
* @return
*/
public static boolean DelAllFilesOnDir(String Dir_Path) {
File file = new File(Dir_Path);
try {
new FileUtil().DleALLFiles(file);
} catch (Exception e) {
log.debug("删除文件夹失败 :" + e);
return false;
}
return true;
}
/**
* 删除所有文件 威力巨大，慎用！
*
* @param file
*/
public void DleALLFiles(File file) {
if (file.exists()) {
if (file.isFile()) {
file.delete();
log.debug("删除" + file.getName());
} else if (file.isDirectory()) {
File files[] = file.listFiles();
for (int i = 0; i < files.length; i++) {
this.DleALLFiles(files[i]);
}
}
file.delete();
log.debug("删除" + file.getName());
}
}
/**
* 获取文件大小 返回的是文件byte大小，可以使用 long/1024D 获取KB
*
* @param File_Path
* @return
*/
public static long GetFileSize(String File_Path) {
File file = new File(File_Path);
return file.length();
}
/**
* 获取文件名,不加后缀
*
* @param fname
* @return
*/
public static String GetFileNameNotSuffix(String fname) {
if (ChkUtil.isNull(fname)) {
return "";
}
int i = fname.lastIndexOf('.');
if (i == -1 || i == 0) {
return fname;
}
return fname.substring(0, i);
}
/**
*
* @param date
* @param video_id
* @return
*/
public static File getTdCode(Timestamp date, String video_id) {
String fileName = video_id + ".png";
String path = UploadUtil.getUploadPath(fileName, date);
File f = new File(path);
if (!f.exists()) {
f.mkdirs();
}
f = new File(path, fileName);
try {
if (!f.exists()) {
f.createNewFile();
}
} catch (IOException e) {
e.printStackTrace();
}
return f;
}
public static void close(OutputStream op) {
if (op != null) {
try {
op.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
public static void close(InputStream is) {
if (is != null) {
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}