FTPSUploadUtils 上传工具

package com.qwcrom.towngasprepayment.utils;

import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPReply;
import org.apache.commons.net.ftp.FTPSClient;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

/**
 * FTPS上传工具类
 *
 * @author J.query
 * @date 2018/11/8
 * @email j-query@foxmail.com
 */

public class FTPSUploadUtils {
    private static FTPSClient ftpsClient;

    /**
     * @param host
     * @param port
     * @param userName       用户名
     * @param password       密码
     * @param basePath       服务器文件根目录
     * @param localFileName  文件本地地址
     * @param remoteFileName 服务器实际目录
     * @return
     * @throws IOException
     * @throws NoSuchAlgorithmException
     * @throws KeyManagementException
     */
    public static boolean upLoadFile（String host int port String userName String password String basePath String localFileName
                                     String remoteFileName） throws IOException NoSuchAlgorithmException KeyManagementException {
        boolean result = false;

        final int dataTimeout = 10000;
        final int timeout = 100000;
        X509TrustManager x509m = new X509TrustManager（） {

            @Override
            public X509Certificate[] getAcceptedIssuers（） {
                return null;
            }

            @Override
            public void checkServerTrusted（X509Certificate[] chain
                                           String authType） throws CertificateException {
            }

            @Override
            public void checkClientTrusted（X509Certificate[] chain
                                           String authType） throws CertificateException {
            }
        };
        SSLContext sslcontext = SSLContext.getInstance（“SSL“）;
        sslcontext.init（null new TrustManager[]{x509m}
                new java.security.SecureRandom（））;
        ftpsClient = new FTPSClient（false sslcontext）;

        try {
            ftpsClient.setConnectTimeout（dataTimeout）;
            ftpsClient.connect（host port）;
            ftpsClient.setSoTimeout（timeout）;
            // Set protection buffer size
            int reply = ftpsClient.getReplyCode（）;
            if （FTPReply.isPositiveCompletion（reply）） {
                // Login
                if （ftpsClient.login（userName password）） {
                    //此设置关键之关键，耗费了1天时间，大坑
                    ftpsClient.execPBSZ（0）;
                    ftpsClient.execPROT（“P“）;
                    ftpsClient.enterLocalPassiveMode（）;
                    ftpsClient.setFileType（FTPClien