上传sftp,创建20171024目录,判断目录是否存在,复制文件,判断文件字符集
上传sftp,创建20171024目录,判断目录是否存在,复制文件,判断文件字符集
public class UpLoadFile {
private static final String GBK = “GBk”;
public static void main(String[] args) {
String sPath = “D://tempPath//20171023014826qbfk”;
Date date = new Date();
String sftpPath = CommonUtil.getPropertiesValue(“sftp.properties”, “tengbang.test”)+”/”+new SimpleDateFormat(“yyyyMMdd”).format(date);
upLoadFile(sPath, sftpPath);
}
public static void upLoadFile(String sPath, String sftpPath) {
/*//2创建文件夹存放影响文件
Date date = new Date();
String path= ConfigUtil.getConfig(Constants.DirPath.COMMON_TEMP) + File.separator+new SimpleDateFormat("yyyyMM/dd").format(date);
//创建文件夹
File file2 = new File(path);
if (!file2.exists() && !file2.isDirectory()) {
file2.mkdirs(); // 没有则创建
}*/
Channel channel = null;
try {
Date date = new Date();
SFTPUtils sftp1 = getSftp();
sftpPath = CommonUtil.getPropertiesValue("sftp.properties", "upload")+"/"+new SimpleDateFormat("yyyyMMdd").format(date);
ChannelSftp sftp = sftp1.getSFTPClient();
//创建路径
String rpath = sftpPath;
try {
createDir(rpath, sftp);
} catch (Exception e) {
e.printStackTrace();
throw new SystemException("创建路径失败：" + rpath);
}
sftp.cd(sftpPath);
File file = new File(sPath);
String path = file.getAbsolutePath();
System.out.println("path"+path);
copyFile(sftp, file, sftp.pwd());
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 创建一个文件目录
* @throws SystemException
*/
public static void createDir(String createpath, ChannelSftp sftp) throws SystemException {
try {
if (isDirExist(createpath,sftp)) {
}else{
String pathArry[] = createpath.split("/");
for (String path : pathArry) {
if (path.equals("")) {
continue;
}
if (isDirExist(path,sftp)) {
sftp.cd(path);
if (isDirExist(createpath, sftp)) {
}
} else {
// 建立目录
sftp.mkdir(path);
// 进入并设置为当前目录
sftp.cd(path);
}
}
}
System.out.print(sftp.pwd());
//sftp.cd(createpath);
} catch (SftpException e) {
throw new SystemException("创建路径错误：" + createpath);
}
}
/**
* 判断目录是否存在
*/
public static boolean isDirExist(String directory,ChannelSftp sftp) {
boolean isDirExistFlag = false;
try {
SftpATTRS sftpATTRS = sftp.lstat(directory);
isDirExistFlag = true;
return sftpATTRS.isDir();
} catch (Exception e) {
if (e.getMessage().toLowerCase().equals("no such file")) {
isDirExistFlag = false;
}
}
return isDirExistFlag;
}
private static SFTPUtils getSftp() {
Properties prop = new Properties();
ClassPathResource cp = new ClassPathResource("sftp.properties");
try {
prop.load(cp.getInputStream());
} catch (IOException e) {
e.printStackTrace();
}
String host = prop.getProperty("yibin.host").trim();
int port = Integer.parseInt(prop.getProperty("yibin.port").trim());
String username = prop.getProperty("yibin.username").trim();
String password = prop.getProperty("yibin.password").trim();
return new SFTPUtils(host, port, username, password);
}
public static void copyFile(ChannelSftp sftp, File file, String pwd) throws IOException {
if (file.isDirectory()) {
File[] list = file.listFiles();
try {
try {
String fileName = file.getName();
sftp.cd(pwd);
System.out.println("正在创建目录:" + sftp.pwd() + "/" + fileName);
sftp.mkdir(fileName);
System.out.println("目录创建成功:" + sftp.pwd() + "/" + fileName);
} catch (Exception e) {
}
pwd = pwd + "/" + file.getName();
try {
sftp.cd(file.getName());
} catch (SftpException e) {
e.printStackTrace();
}
} catch (Exception e) {
e.printStackTrace();
}
for (int i = 0; i < list.length; i++) {
copyFile(sftp, list[i], pwd);
}
} else {
try {
sftp.cd(pwd);
} catch (SftpException e1) {
e1.printStackTrace();
}
System.out.println("正在复制文件:" + file.getAbsolutePath());
InputStream instream = null;
OutputStream outstream = null;
try {
//String FileName = file;;
//查看编码
String charset = get_charset(file);
//String filename = new String (file.getName().getBytes("GBK"),"gb2312");
// String filename = new String(bytes,"ISO-8859-1");
//String string = new String (filename.getBytes("ISO-8859-1"),"gb2312");
//String string2 = new String (string.getBytes("GBK"),"gb2312");
//String string=new String(new String(file.getBytes(), "ISO-8859-1").getBytes(),"gb2312");
/*System.out.println("string+"+filename);
outstream = sftp.put(fileName);*/
instream = new FileInputStream(file);
byte b[] = new byte[1024];
int n;
try {
while ((n = instream.read(b)) != -1) {
outstream.write(b, 0, n);
}
} catch (IOException e) {
e.printStackTrace();
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
outstream.flush();
outstream.close();
instream.close();
} catch (Exception e2) {
e2.printStackTrace();
}
}
}
}
private static String get_charset(File file) {
String charset = "GBK";
byte[] first3Bytes = new byte[3];
try {
boolean checked = false;
;
BufferedInputStream bis = new BufferedInputStream(
new FileInputStream(file));
bis.mark(0);
int read = bis.read(first3Bytes, 0, 3);
if (read == -1)
return charset;
if (first3Bytes[0] == (byte) 0xFF && first3Bytes[1] == (byte) 0xFE) {
charset = "UTF-16LE";
checked = true;
} else if (first3Bytes[0] == (byte) 0xFE
&& first3Bytes[1] == (byte) 0xFF) {
charset = "UTF-16BE";
checked = true;
} else if (first3Bytes[0] == (byte) 0xEF
&& first3Bytes[1] == (byte) 0xBB
&& first3Bytes[2] == (byte) 0xBF) {
charset = "UTF-8";
checked = true;
}
bis.reset();
if (!checked) {
// int len = 0;
int loc = 0;
while ((read = bis.read()) != -1) {
loc++;
if (read >= 0xF0)
break;
if (0x80 <= read && read <= 0xBF) // 单独出现BF以下的，也算是GBK
break;
if (0xC0 <= read && read <= 0xDF) {
read = bis.read();
if (0x80 <= read && read <= 0xBF) // 双字节 (0xC0 - 0xDF)
// (0x80
// - 0xBF),也可能在GB编码内
continue;
else
break;
} else if (0xE0 <= read && read <= 0xEF) {// 也有可能出错，但是几率较小
read = bis.read();
if (0x80 <= read && read <= 0xBF) {
read = bis.read();
if (0x80 <= read && read <= 0xBF) {
charset = "UTF-8";
break;
} else
break;
} else
break;
}
}
}
bis.close();
} catch (Exception e) {
e.printStackTrace();
}
return charset;
}
}`