package com.ctl.util;
//需要commons-net-3.0.1.jar
import java.io.*;
import java.net.*;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.net.ftp.*;
import com.ctl.util.exception.FTPClientException;
public class FTPClientUtil {
/** logger */
private static ThreadLocal<FTPClient> ftpClientThreadLocal;
// ftp ip address
private static String host;
// \u7AEF\u53E3\u53F7
private static int port;
private static String username;
private static String password;
private static boolean binaryTransfer;
private static boolean passiveMode;
// \u7F16\u7801
private static String encoding;
// \u8BBE\u7F6E\u8FDE\u63A5\u8D85\u65F6\u65F6\u95F4
private static int clientTimeout;
// \u67E5\u8BE2\u8FDC\u7A0B\u76EE\u5F55\u6240\u6709\u7684file name
private static List<String> listFileNames;
// private static String filePathOfFtpserver;
static {
ftpClientThreadLocal = new ThreadLocal<FTPClient>();
host = ConfigUtils.getType("ftp.host");
port = Integer.parseInt(ConfigUtils.getType("ftp.port"));
username = ConfigUtils.getType("ftp.username");
password = ConfigUtils.getType("ftp.password");
binaryTransfer = Boolean.parseBoolean(ConfigUtils
.getType("ftp.binaryTransfer"));
passiveMode = Boolean.parseBoolean(ConfigUtils
.getType("ftp.passiveMode"));
encoding = ConfigUtils.getType("ftp.encoding");
clientTimeout = Integer.parseInt(ConfigUtils
.getType("ftp.clientTimeout"));
listFileNames = new ArrayList<String>();
}
/**
* @description \u83B7\u53D6FTP\u5BA2\u6237\u7AEF\u8FDE\u63A5
* @return
* @throws FTPClientException
* @throws SocketException
* @throws IOException
*/
private static FTPClient getFTPClient() throws FTPClientException,
SocketException, IOException {
if (ftpClientThreadLocal.get() != null
&& ftpClientThreadLocal.get().isConnected()) {
return ftpClientThreadLocal.get();
} else {
FTPClient ftpClient = new FTPClient(); // \u6784\u9020\u4E00\u4E2AFtpClient\u5B9E\u4F8B
ftpClient.setControlEncoding(encoding); // \u8BBE\u7F6E\u5B57\u7B26\u96C6
ftpClient.setConnectTimeout(clientTimeout);
ftpClient.connect(host, port);
// \u8FDE\u63A5\u540E\u68C0\u6D4B\u8FD4\u56DE\u7801\u6765\u6821\u9A8C\u8FDE\u63A5\u662F\u5426\u6210\u529F
int reply = ftpClient.getReplyCode();
if (FTPReply.isPositiveCompletion(reply)) {// \u767B\u9646\u5230ftp\u670D\u52A1\u5668
ftpClient.login(username, password);
setFileType(ftpClient); // \u8BBE\u7F6E\u6587\u4EF6\u4F20\u8F93\u7C7B\u578B
} else {
ftpClient.disconnect();
}
if (passiveMode) {
ftpClient.enterLocalPassiveMode();
}
ftpClientThreadLocal.set(ftpClient);
return ftpClient;
}
}
/**
* @description\u8BBE\u7F6E\u6587\u4EF6\u4F20\u8F93\u7C7B\u578B
* @throws FTPClientException
* @throws IOException
*/
private static void setFileType(FTPClient ftpClient)
throws FTPClientException, IOException {
if (binaryTransfer) {
ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
} else {
ftpClient.setFileType(FTPClient.ASCII_FILE_TYPE);
}
}
/**
* @description\u65AD\u5F00ftp\u8FDE\u63A5
* @throws FTPClientException
* @throws IOException
*/
public static void disconnect() throws FTPClientException, IOException {
FTPClient ftpClient = getFTPClient();
ftpClient.logout();
if (ftpClient.isConnected()) {
ftpClient.disconnect();
ftpClient = null;
ftpClientThreadLocal.set(ftpClient);
}
}
/**
* @description \u6279\u91CF\u5220\u9664\u6240\u6709\u76EE\u5F55\u4E0B\u7684\u5BF9\u5E94\u7684\u6587\u4EF6
* @param delFiles
* @return
* @throws FTPClientException
* @throws IOException
*/
public static boolean deleteRemoteFiles(String[] delFiles)
throws FTPClientException, IOException {
List<String> list=listNames();//\u83B7\u53D6\u6240\u6709\u7684\u6587\u4EF6\u540D
for(String filename:delFiles){
for(Iterator<String> it=list.iterator();it.hasNext();){
String filepath=it.next();
if(filepath.contains(filename)){//\u5982\u679C\u8BE5\u8DEF\u5F84\u5305\u542B\u8BE5\u6587\u4EF6\u540D\u5219\u5220\u9664
boolean result= getFTPClient().deleteFile(filepath);
if(!result){
return result;
}
}
}
}
return true;
}
/**
* @description \u5217\u51FA\u8FDC\u7A0B\u9ED8\u8BA4\u76EE\u5F55\u4E0B\u6240\u6709\u7684\u6587\u4EF6
* @return \u8FDC\u7A0B\u9ED8\u8BA4\u76EE\u5F55\u4E0B\u6240\u6709\u6587\u4EF6\u540D\u7684\u5217\u8868\uFF0C\u76EE\u5F55\u4E0D\u5B58\u5728\u6216\u8005\u76EE\u5F55\u4E0B\u6CA1\u6709\u6587\u4EF6\u65F6\u8FD4\u56DE0\u957F\u5EA6\u7684\u6570\u7EC4
* @throws FTPClientException
* @throws IOException
*/
public static List<String> listNames() throws FTPClientException,
IOException {
return listNames(null);
}
public static List<String> listNames(String remotePath)
throws FTPClientException, IOException {
return listNames(remotePath, true);
}
/**
* @description\u5217\u51FA\u8FDC\u7A0B\u76EE\u5F55\u4E0B\u6240\u6709\u7684\u6587\u4EF6
* @param remotePath
* \u8FDC\u7A0B\u76EE\u5F55\u540D
* @param autoClose
* \u662F\u5426\u81EA\u52A8\u5173\u95ED\u5F53\u524D\u8FDE\u63A5
* @return \u8FDC\u7A0B\u76EE\u5F55\u4E0B\u6240\u6709\u6587\u4EF6\u540D\u7684\u5217\u8868\uFF0C\u76EE\u5F55\u4E0D\u5B58\u5728\u6216\u8005\u76EE\u5F55\u4E0B\u6CA1\u6709\u6587\u4EF6\u65F6\u8FD4\u56DE0\u957F\u5EA6\u7684\u6570\u7EC4
* @throws FTPClientException
* @throws IOException
*/
public static List<String> listNames(String remotePath,
boolean containSubdirectory) throws FTPClientException, IOException {
if (null == remotePath) {
remotePath = "." + File.separator;
}
try {
FTPFile[] files = getFTPClient().listFiles(remotePath);
if (files.length < 3) {
return listFileNames;
}
for (FTPFile file : files) {
if (!file.getName().equals(".") && !file.getName().equals("..")) {
if (file.isFile()) {// \u6587\u4EF6
listFileNames
.add("." + File.separator + file.getName());
} else {// \u76EE\u5F55
listNames2(
remotePath + file.getName() + File.separator,
containSubdirectory);
}
}
}
} catch (IOException e) {
throw new FTPClientException("\u5217\u51FA\u8FDC\u7A0B\u76EE\u5F55\u4E0B\u6240\u6709\u7684\u6587\u4EF6\u65F6\u51FA\u73B0\u5F02\u5E38", e);
}
return listFileNames;
}
//listNames2\u9012\u5F52\u65B9\u6CD5
private static void listNames2(String remotePath,
boolean containSubdirectory) throws FTPClientException {
try {
FTPClient client = getFTPClient();
client.changeWorkingDirectory(remotePath);
FTPFile[] files = client.listFiles(remotePath);
if (files.length < 3) {
return;
}
for (FTPFile file : files) {
if (!file.equals(".") && !file.equals("..")) {
if (file.isFile()) {
listFileNames.add(remotePath + file.getName());
}
if (file.isDirectory() && (!".".equals(file.getName()))
&& (!"..".equals(file.getName()))) {
String path = remotePath + file.getName()
+ File.separator;
listNames2(path, containSubdirectory);
}
}
}
} catch (IOException e) {
throw new FTPClientException("\u5217\u51FA\u8FDC\u7A0B\u76EE\u5F55\u4E0B\u6240\u6709\u7684\u6587\u4EF6\u65F6\u51FA\u73B0\u5F02\u5E38", e);
}
}
/**
*
* @param remotePath
* \u8FDC\u7A0B\u8DEF\u5F84
* @param fileName
* \u8981\u4E0A\u4F20\u7684\u6587\u4EF6\u540D
* @param localInputStream
* \u672C\u5730InputStream\u6D41
* @return
* @throws IOException
* @throws FTPClientException
*/
public static boolean uploadToRemote(String remotePath, String fileName,
InputStream localInputStream) throws IOException,
FTPClientException {
remotePath=remotePath+File.separator;
FTPClient client = getFTPClient();
int reply;
reply = client.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
client.disconnect();
}
client.makeDirectory(remotePath);//\u5728\u670D\u52A1\u7AEF\u5EFA\u7ACB\u8BE5\u6587\u4EF6\u5939
client.changeWorkingDirectory(remotePath);
boolean result = client.storeFile(remotePath+fileName, localInputStream);
localInputStream.close();
return result;
}
/**
*
* @param remotePath
* \u8FDC\u7A0B\u8DEF\u5F84
* @param localPath
* \u672C\u5730\u8DEF\u5F84
* @return
* @throws IOException
* @throws FTPClientException
* @throws IOException
*/
public static boolean downloadToLocal(String remotePath, String localPath)
throws IOException, FTPClientException, IOException {
return downloadToLocal(remotePath, localPath, null);
}
/**
*
* @param remotePath
* \u8FDC\u7A0B\u8DEF\u5F84
* @param localPath
* \u8981\u4E0B\u8F7D\u7684\u8DEF\u5F84
* @param fileNames
* \u6240\u6709\u8981\u4E0B\u8F7D\u7684\u6587\u4EF6\u540D\u5B57
* @return
* @throws IOException
* @throws FTPClientException
* @throws IOException
*/
public static boolean downloadToLocal(String remotePath, String localPath,
String[] fileNames) throws IOException, FTPClientException,
IOException {
remotePath=remotePath+File.separator;
localPath=localPath+File.separator;
FTPClient client = getFTPClient();
client.changeWorkingDirectory(remotePath);
FTPFile[] ftpList = client.listFiles(remotePath);
boolean result = true;
if (null == fileNames) {
for (FTPFile f : ftpList) {
if (f.getSize() > 0) {
File file = new File(localPath);
file.mkdirs();
OutputStream out = new FileOutputStream(localPath + f.getName());
result = client.retrieveFile(f.getName(), out); // \u4E0B\u8F7D
out.close();
if (!result) {
break;
}
}
}
} else {
for (String fileName : fileNames) {
File file = new File(localPath);
file.mkdirs();
OutputStream out = new FileOutputStream(localPath
+ File.separator + fileName);
result = client.retrieveFile(fileName, out); // \u4E0B\u8F7D
out.close();
if (!result) {
break;
}
}
}
return result;
}
/**
* @param client
* @param fileName
* \u8FDC\u7A0B\u8DEF\u5F84\u540D
* @return
* @throws IOException
* @throws FTPClientException
*/
public static int getRemoteFileSize(String fileName) throws IOException,
FTPClientException {
FTPClient client = getFTPClient();
int size = 0;
FTPFile[] ftpList = client.listFiles();
for (FTPFile f : ftpList) {
if (f.getName().equalsIgnoreCase(fileName)) {
size = (int) f.getSize();
}
}
return size;
}
/**
*
* @param filename
* \u8981\u4E0B\u8F7D\u7684\u6587\u4EF6\u540D \u4ECE\u6574\u4E2A\u670D\u52A1\u5668\u4E2D\u67E5\u627E,\u53EF\u80FD\u627E\u5230\u591A\u4E2A\u76F8\u540C\u540D\u5B57\u7684\u6587\u4EF6,\u6309\u5728\u670D\u52A1\u7AEF\u7684\u8DEF\u5F84\u5728\u6307\u5B9A\u672C\u5730\u8DEF\u5F84\u4E0B\u521B\u5EFA\u60F3\u5BF9\u5E94\u7684\u8DEF\u5F84\u548C\u6587\u4EF6
* @param localPath
* \u672C\u5730\u8DEF\u5F84
* @return
* @throws Exception
*/
public static boolean downloadToLocal2(String filename, String localPath)
throws Exception {
List<String> list=listNames();
OutputStream out;
try{
for(Iterator<String> it=list.iterator();it.hasNext();){
String filepath=it.next();
if(filepath.contains(filename)){
String remoteFilePath=filepath.substring(1, filepath.length());
File file=new File(localPath+remoteFilePath);
new File(file.getParent()).mkdirs();
out= new FileOutputStream(localPath+remoteFilePath);
getFTPClient().retrieveFile(filepath, out); // \u4E0B\u8F7D
out.close();
}
}
return true;
}catch (Exception e) {
return false;
}
}
/**
* @description \u521B\u5EFA\u8FDC\u7A0B\u76EE\u5F55\u5141\u8BB8\u521B\u5EFA\u591A\u7EA7\u76EE\u5F55
* @param remoteDir \u8FDC\u7A0B\u76EE\u5F55
* @return
* @throws SocketException
* @throws IOException
* @throws FTPClientException
*/
public static boolean mkdirs(String remoteDir) throws SocketException, IOException, FTPClientException{
String[] dirs=remoteDir.split("/");
String remotePath=".";
for(String dir:dirs){
if(!dir.equals(".")&&null!=dir){
remotePath=remotePath+File.separator+dir+File.separator;
boolean result=getFTPClient().makeDirectory(remotePath);
if(!result){
return result;
}
}
}
return true;
}
}
