From ba1c0ad6cffaa8a6288a4e66d0598d16f1cccc10 Mon Sep 17 00:00:00 2001
From: java110 <928255095@qq.com>
Date: 星期三, 13 十月 2021 11:00:35 +0800
Subject: [PATCH] 优化代码

---
 java110-core/src/main/java/com/java110/core/client/FtpUploadTemplate.java |  144 ++++++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 128 insertions(+), 16 deletions(-)

diff --git a/java110-core/src/main/java/com/java110/core/client/FtpUploadTemplate.java b/java110-core/src/main/java/com/java110/core/client/FtpUploadTemplate.java
old mode 100644
new mode 100755
index 1ced81b..bd63e58
--- a/java110-core/src/main/java/com/java110/core/client/FtpUploadTemplate.java
+++ b/java110-core/src/main/java/com/java110/core/client/FtpUploadTemplate.java
@@ -16,6 +16,7 @@
 
 @Component
 public class FtpUploadTemplate {
+
     private static Logger logger = LoggerFactory.getLogger(FtpUploadTemplate.class);
 
     /*
@@ -24,15 +25,21 @@
      * private static String userPassword ="MXUsssMjhssE+*=a3C4\\0";//瀵嗙爜
      */
     private static String ftpPath = "uploadFiles"; // 鏂囦欢涓婁紶鐩綍
-
     private static String LOCAL_CHARSET = "GBK";
     private static String SERVER_CHARSET = "ISO-8859-1";
     private final static String localpath = "F:/";//涓嬭浇鍒癋鐩樹笅
     private final static String fileSeparator = System.getProperty("file.separator");
-
     private final static String DEFAULT_IMG_SUFFIX = ".jpg";
-
     private final static String IMAGE_DEFAULT_PATH = "img/";
+
+
+    public final static String FTP_DOMAIN = "FTP_DOMAIN";
+    public final static String FTP_SERVER = "FTP_SERVER";
+    public final static String FTP_PORT = "FTP_PORT";
+    public final static String FTP_USERNAME = "FTP_USERNAME";
+    public final static String FTP_USERPASSWORD = "FTP_USERPASSWORD";
+    public final static String FTP_PATH = "FTP_PATH";
+
 
     /*
      *鍥剧墖涓婁紶宸ュ叿鏂规硶
@@ -42,10 +49,13 @@
                          String userName, String userPassword, String ftpPath) {
         String fileName = "";
         FTPClient ftpClient = null;
+        ByteArrayInputStream is = null;
         try {
             ftpClient = new FTPClient();
             // request.setCharacterEncoding("utf-8");
-            ftpClient.connect(server, port);
+            if (!ftpClient.isConnected()) {
+                ftpClient.connect(server, port);
+            }
             ftpClient.login(userName, userPassword);
             ftpClient.enterLocalPassiveMode();
             ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
@@ -57,7 +67,6 @@
                 LOCAL_CHARSET = "UTF-8";
             }
             fileName = UUID.randomUUID().toString();
-
             if (imageBase64.contains("data:image/png;base64,")) {
                 imageBase64 = imageBase64.replace("data:image/png;base64,", "");
                 fileName += ".png";
@@ -67,6 +76,12 @@
             } else if (imageBase64.contains("data:image/webp;base64,")) {
                 imageBase64 = imageBase64.replace("data:image/webp;base64,", "");
                 fileName += ".jpg";
+            } else if (imageBase64.contains("data:application/octet-stream;base64,")) {
+                imageBase64 = imageBase64.replace("data:application/octet-stream;base64,", "");
+                fileName += ".jpg";
+            } else if (imageBase64.contains("mp4") || imageBase64.contains("MP4") || imageBase64.contains("AVI") || imageBase64.contains("avi")
+                    || imageBase64.contains("WMV") || imageBase64.contains("wmv")) {
+                fileName += ".mp4";
             } else {
                 fileName += ".jpg";
             }
@@ -77,12 +92,9 @@
                 System.out.println("this file exist ftp");
                 ftpClient.deleteFile(fs[0].getName());
             }
-
-
             byte[] context = Base64Convert.base64ToByte(imageBase64);
-            ByteArrayInputStream is = new ByteArrayInputStream(context);
+            is = new ByteArrayInputStream(context);
             boolean saveFlag = ftpClient.storeFile(fileName, is);
-            is.close();
             if (!saveFlag) {
                 throw new IllegalArgumentException("瀛樺偍鏂囦欢澶辫触");
             }
@@ -92,6 +104,9 @@
         } finally {
             try {
                 ftpClient.disconnect();
+                if (is != null) {
+                    is.close();
+                }
             } catch (IOException e) {
                 e.printStackTrace();
                 logger.error("鍏抽棴ftpClient 澶辫触", e);
@@ -99,7 +114,6 @@
         }
         return IMAGE_DEFAULT_PATH + DateUtil.getNowII() + "/" + fileName;
     }
-
 
     /*
      *鏂囦欢涓婁紶宸ュ叿鏂规硶
@@ -111,7 +125,9 @@
         try {
             // request.setCharacterEncoding("utf-8");
             ftpClient = new FTPClient();
-            ftpClient.connect(server, port);
+            if (!ftpClient.isConnected()) {
+                ftpClient.connect(server, port);
+            }
             ftpClient.login(userName, userPassword);
             ftpClient.enterLocalPassiveMode();
             ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
@@ -138,7 +154,7 @@
                 throw new IllegalArgumentException("瀛樺偍鏂囦欢澶辫触");
             }
         } catch (Exception e) {
-            // logger.error("涓婁紶鏂囦欢澶辫触", e);
+            logger.error("涓婁紶鏂囦欢澶辫触", e);
             throw new IllegalArgumentException("涓婁紶鏂囦欢澶辫触");
         } finally {
             try {
@@ -158,7 +174,9 @@
         FTPClient ftpClient = null;
         try {
             ftpClient = new FTPClient();
-            ftpClient.connect(server, port);
+            if (!ftpClient.isConnected()) {
+                ftpClient.connect(server, port);
+            }
             ftpClient.login(userName, userPassword);
             ftpClient.enterLocalPassiveMode();
             if (ftpClient != null) {
@@ -167,16 +185,29 @@
                         FTP.DEFAULT_CONTROL_ENCODING);//闃叉涔辩爜
                 InputStream ins = ftpClient.retrieveFileStream(f);//闇�浣跨敤file.getName鑾峰�硷紝鑻ョ敤f浼氫贡鐮�
                 ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
-                byte[] buf = new byte[204800];
+                byte[] buf = new byte[2048];
                 int bufsize = 0;
                 while (ins != null && (bufsize = ins.read(buf, 0, buf.length)) != -1) {
                     byteOut.write(buf, 0, bufsize);
                 }
-                return_arraybyte = byteOut.toByteArray();
+                //return_arraybyte = byteOut.toByteArray();
+                ByteArrayInputStream fis = new ByteArrayInputStream(byteOut.toByteArray());
+                byteOut.flush();
                 byteOut.close();
+                byte[] buffer = new byte[fis.available()];
+                int offset = 0;
+                int numRead = 0;
+                while (offset < buffer.length && (numRead = fis.read(buffer, offset, buffer.length - offset)) >= 0) {
+                    offset += numRead;
+                }
+                if (offset != buffer.length) {
+                    throw new IOException("Could not completely read file ");
+                }
+                fis.close();
                 if (ins != null) {
                     ins.close();
                 }
+                return_arraybyte = buffer;
             }
         } catch (Exception e) {
             e.printStackTrace();
@@ -185,6 +216,88 @@
             closeConnect(ftpClient);
         }
         return return_arraybyte;
+    }
+
+    public static void main(String[] args) {
+        FtpUploadTemplate ftpUploadTemplate = new FtpUploadTemplate();
+        String img = ftpUploadTemplate.download("/hc/img/20200518/", "ed05abae-2eca-40ff-81a8-b586ff2e6a36.jpg",
+                "118.89.243.11", 617, "hcdemo", "45j74jpWTf7bNhnC");
+        System.out.printf("img=" + img);
+    }
+
+    public String download(String remotePath, String fileName, String server, int port, String userName, String userPassword) {
+        InputStream is = null;
+        ByteArrayOutputStream bos = null;
+        ByteArrayInputStream fis = null;
+        FTPClient ftpClient = new FTPClient();
+        try {
+            if (!ftpClient.isConnected()) {
+                ftpClient.connect(server, port);
+            }
+            ftpClient.login(userName, userPassword);
+            ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
+            ftpClient.enterLocalPassiveMode();
+            int reply = ftpClient.getReplyCode();
+            if (!FTPReply.isPositiveCompletion(reply)) {
+                ftpClient.disconnect();
+            }
+            String f = new String(
+                    (remotePath + fileName).getBytes("GBK"),
+                    FTP.DEFAULT_CONTROL_ENCODING);
+            is = ftpClient.retrieveFileStream(f);// 鑾峰彇杩滅▼ftp涓婃寚瀹氭枃浠剁殑InputStream
+            if (null == is) {
+                throw new FileNotFoundException(remotePath);
+            }
+            bos = new ByteArrayOutputStream();
+            int length;
+            byte[] buf = new byte[2048];
+            while (-1 != (length = is.read(buf, 0, buf.length))) {
+                bos.write(buf, 0, length);
+            }
+            fis = new ByteArrayInputStream(
+                    bos.toByteArray());
+            bos.flush();
+            byte[] buffer = new byte[fis.available()];
+            int offset = 0;
+            int numRead = 0;
+            while (offset < buffer.length && (numRead = fis.read(buffer, offset, buffer.length - offset)) >= 0) {
+                offset += numRead;
+            }
+            if (offset != buffer.length) {
+                throw new IOException("Could not completely read file ");
+            }
+            return Base64Convert.byteToBase64(buffer);
+        } catch (Exception e) {
+            logger.error("ftp閫氳繃鏂囦欢鍚嶇О鑾峰彇杩滅▼鏂囦欢娴�", e);
+        } finally {
+            if (bos != null) {
+                try {
+                    bos.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+            if (is != null) {
+                try {
+                    is.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+            if (fis != null) {
+                try {
+                    fis.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+            try {
+                closeConnect(ftpClient);
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+        return null;
     }
 
     public void closeConnect(FTPClient ftpClient) {
@@ -236,5 +349,4 @@
             return false;
         }
     }
-
 }

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