1.优化代码

2.fileutil优化

src/main/java/com/yexuejc/base/encrypt/RSA.java

@@ -2,12 +2,12 @@ package com.yexuejc.base.encrypt;
 
 
 import org.apache.commons.codec.binary.Base64;
-import org.apache.commons.io.IOUtils;
 import org.bouncycastle.jce.provider.BouncyCastleProvider;
 
 import javax.crypto.Cipher;
 import javax.crypto.NoSuchPaddingException;
 import java.io.ByteArrayOutputStream;
+import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.security.*;
 import java.security.interfaces.RSAPrivateKey;
@@ -18,7 +18,6 @@ import java.security.spec.X509EncodedKeySpec;
 import java.util.HashMap;
 import java.util.Map;
 
-//import com.sun.org.apache.xerces.internal.impl.dv.util.Base64;
 
 /**
  * RSA加解密 配置模式
@@ -117,7 +116,7 @@ public class RSA {
             publicKeyStr = Base64.encodeBase64String(publicKey.getEncoded());
             privateKeyStr = Base64.encodeBase64String(privateKey.getEncoded());
         }
-        Map<String, String> keyPairMap = new HashMap<String, String>();
+        Map<String, String> keyPairMap = new HashMap<String, String>(2);
         keyPairMap.put("publicKey", publicKeyStr);
         keyPairMap.put("privateKey", privateKeyStr);
 
@@ -302,7 +301,10 @@ public class RSA {
             throw new RuntimeException("加解密阀值为[" + maxBlock + "]的数据时发生异常", e);
         }
         byte[] resultDatas = out.toByteArray();
-        IOUtils.closeQuietly(out);
+        try {
+            out.close();
+        } catch (IOException e) {
+        }
         return resultDatas;
     }
 

src/main/java/com/yexuejc/base/encrypt/RSA2.java

@@ -16,6 +16,7 @@ import java.security.interfaces.RSAPublicKey;
 /**
  * RSA加解密 证书模式
  * 依赖 {@link RSA}
+ *
  * @ClassName: RSA2
  * @Description:
  * @author: maxf
@@ -55,7 +56,15 @@ public class RSA2 {
      */
     public static RSAPrivateKey getPrivateKey(String filepath, String alias, String password) throws NoSuchAlgorithmException, KeyStoreException, IOException, CertificateException, UnrecoverableKeyException {
         KeyStore ks = KeyStore.getInstance("JKS");
-        ks.load(new FileInputStream(filepath), password.toCharArray());
+        FileInputStream fileInputStream = null;
+        try {
+            fileInputStream = new FileInputStream(filepath);
+            ks.load(fileInputStream, password.toCharArray());
+        } finally {
+            if (fileInputStream != null) {
+                fileInputStream.close();
+            }
+        }
         return (RSAPrivateKey) ks.getKey(alias, password.toCharArray());
     }
 

src/main/java/com/yexuejc/base/encrypt/SignAlgorithm.java

@@ -2,8 +2,12 @@ package com.yexuejc.base.encrypt;
 
 /**
  * 签名算法类型
- * 参考Hutool
+ *
- * see: https://docs.oracle.com/javase/7/docs/technotes/guides/security/StandardNames.html#Signature
+ * @author maxf
+ * @ClassName SignAlgorithm
+ * @Description 签名算法类型 参考Hutool https://docs.oracle.com/javase/7/docs/technotes/guides/security/StandardNames.html#Signature
+ * @date 2018/11/26 10:25
+ * @see 1.0
  */
 public enum SignAlgorithm {
     // The RSA signature algorithm

src/main/java/com/yexuejc/base/util/AlgorithmUtil.java

@@ -77,7 +77,7 @@ public class AlgorithmUtil {
      * @throw
      */
     public static int x36ConvertTo10(String pStr) {
-        if (pStr == "") {
+        if (StrUtil.isEmpty(pStr)) {
             return 0;
         }
         // 目标十进制数初始化为0
@@ -117,12 +117,12 @@ public class AlgorithmUtil {
         if (hexString == null || hexString.length() % 2 != 0) {
             return null;
         }
-        String bString = "", tmp;
+        StringBuffer buf = new StringBuffer();
         for (int i = 0; i < hexString.length(); i++) {
-            tmp = "0000" + Integer.toBinaryString(Integer.parseInt(hexString.substring(i, i + 1), 16));
+            String tmp = "0000" + Integer.toBinaryString(Integer.parseInt(hexString.substring(i, i + 1), 16));
-            bString += tmp.substring(tmp.length() - 4);
+            buf.append(tmp.substring(tmp.length() - 4));
         }
-        return bString;
+        return buf.toString();
     }
 
     /**
@@ -132,7 +132,7 @@ public class AlgorithmUtil {
      * @return
      */
     public static byte[] hexStringToBytes(String hexString) {
-        if (hexString == null || hexString.equals("")) {
+        if (hexString == null || "".equals(hexString)) {
             return null;
         }
         hexString = hexString.toUpperCase();

src/main/java/com/yexuejc/base/util/DateTimeUtil.java

@@ -109,9 +109,9 @@ public class DateTimeUtil {
      * @return
      */
     public static LocalDate getWeek4First(LocalDate date) {
-        TemporalAdjuster FIRST_OF_WEEK =
+        TemporalAdjuster firstOfWeek = TemporalAdjusters.ofDateAdjuster(localDate ->
-                TemporalAdjusters.ofDateAdjuster(localDate -> localDate.minusDays(localDate.getDayOfWeek().getValue() - DayOfWeek.MONDAY.getValue()));
+                localDate.minusDays(localDate.getDayOfWeek().getValue() - DayOfWeek.MONDAY.getValue()));
-        return date.with(FIRST_OF_WEEK);
+        return date.with(firstOfWeek);
     }
 
     /**
@@ -130,9 +130,9 @@ public class DateTimeUtil {
      * @return
      */
     public static LocalDate getWeek4Last(LocalDate date) {
-        TemporalAdjuster LAST_OF_WEEK =
+        TemporalAdjuster lastOfWeek = TemporalAdjusters.ofDateAdjuster(localDate ->
-                TemporalAdjusters.ofDateAdjuster(localDate -> localDate.plusDays(DayOfWeek.SUNDAY.getValue() - localDate.getDayOfWeek().getValue()));
+                localDate.plusDays(DayOfWeek.SUNDAY.getValue() - localDate.getDayOfWeek().getValue()));
-        return date.with(LAST_OF_WEEK);
+        return date.with(lastOfWeek);
     }
 
     /**
@@ -273,22 +273,22 @@ public class DateTimeUtil {
         return df.format(dateTime);
     }
 
-    public static void main(String[] args) {
+   /** public static void main(String[] args) {
-//        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
-//        System.out.println(df.format(zonedDateTime2Date(ZonedDateTime.now())));
+        System.out.println(df.format(zonedDateTime2Date(ZonedDateTime.now())));
-//        System.out.println(df2.format(date2ZonedDateTime(new Date())));
+        System.out.println(df2.format(date2ZonedDateTime(new Date())));
 
-//        System.out.println(getWeek4First());
+        System.out.println(getWeek4First());
         System.out.println(format(getWeek4First(LocalDate.parse("2018-02-10")).atTime(LocalTime.MIN)));
         System.out.println(format(getWeek4Last(LocalDate.parse("2018-02-10")).atTime(LocalTime.MAX)));
 
-//        System.out.println(format(getMonth4First().atTime(LocalTime.MIN)));
+        System.out.println(format(getMonth4First().atTime(LocalTime.MIN)));
-//        System.out.println(format(getMonth4Last().atTime(LocalTime.MAX)));
+        System.out.println(format(getMonth4Last().atTime(LocalTime.MAX)));
 
-//        System.out.println(format(getYear4First().atTime(LocalTime.MIN)));
+        System.out.println(format(getYear4First().atTime(LocalTime.MIN)));
-//        System.out.println(format(getYear4Last().atTime(LocalTime.MAX)));
+        System.out.println(format(getYear4Last().atTime(LocalTime.MAX)));
 
-    }
+    }*/
 
 
 }

src/main/java/com/yexuejc/base/util/ExcelImportUtil.java

@@ -41,7 +41,8 @@ public class ExcelImportUtil {
      * @return
      */
     public static boolean validateExcel(String filePath) {
-        if (filePath == null || !(isExcel2003(filePath) || isExcel2007(filePath))) {
+        boolean b = filePath == null || !(isExcel2003(filePath) || isExcel2007(filePath));
+        if (b) {
             return false;
         }
         return true;

src/main/java/com/yexuejc/base/util/FileUtil.java

@@ -1,9 +1,21 @@
 package com.yexuejc.base.util;
 
+import sun.misc.BASE64Encoder;
+
 import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.math.BigInteger;
+import java.nio.MappedByteBuffer;
+import java.nio.channels.FileChannel;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.zip.CRC32;
 
 /**
+ * 文件工具类
+ *
  * @author maxf:yexue
  * @className FileUtil
  * @description 工具类
@@ -16,14 +28,31 @@ public class FileUtil {
     private static final String TYPE_TAR_GZ = ".tar.gz";
     private static final String TAR_GZ = "tar.gz";
 
-    public static String getFileType(String fileName) {
+    /**
-        if (fileName.lastIndexOf(TYPE_TAR_GZ) > 0) {
+     * 获取文件类型：不适合所有
-            return TAR_GZ;
+     * <p>
+     * 根据文件名称截取.后的文件格式
+     * </p>
+     *
+     * @param fileName
+     * @return
+     */
+    public static String getFileType(String fileName) throws FileNotFoundException {
+        try {
+            if (fileName.lastIndexOf(TYPE_TAR_GZ) > 0) {
+                return TAR_GZ;
+            }
+            return fileName.substring(fileName.lastIndexOf(".") + 1);
+        } catch (Exception e) {
+            throw new FileNotFoundException("文件类型未能解析");
         }
-        return fileName.substring(fileName.lastIndexOf(".") + 1);
     }
 
-    // 判断文件是否存在
+    /**
+     * 判断文件是否存在
+     *
+     * @param file
+     */
     public static void judeFileExists(File file) {
 
         if (file.exists()) {
@@ -49,9 +78,10 @@ public class FileUtil {
      * 4、File类的createTempFile方法创建临时文件，可以制定临时文件的文件名前缀、后缀及文件所在的目录，如果不指定目录，则存放在系统的临时文件夹下。
      * 5、除mkdirs方法外，以上方法在创建文件和目录时，必须保证目标文件不存在，而且父目录存在，否则会创建失败
      * </pre>
+     *
+     * @return 创建成功、失败
      */
-    public static void judeDirExists(File file) {
+    public static boolean judeDirExists(File file) {
-
         if (file.exists()) {
             if (file.isDirectory()) {
                 System.out.println("dir exists");
@@ -60,9 +90,223 @@ public class FileUtil {
             }
         } else {
             System.out.println("dir not exists, create it ...");
-            file.mkdirs();
+            return file.mkdirs();
         }
-
+        return false;
     }
 
+    /**
+     * 获取文件sha1
+     *
+     * @param file
+     * @return
+     */
+    public static String sha1(File file) {
+        FileInputStream in = null;
+        try {
+            in = new FileInputStream(file);
+            MessageDigest digest = MessageDigest.getInstance("SHA-1");
+            byte[] buffer = new byte[1024 * 1024 * 10];
+
+            int len = 0;
+            while ((len = in.read(buffer)) > 0) {
+                digest.update(buffer, 0, len);
+            }
+            String sha1 = new BigInteger(1, digest.digest()).toString(16);
+            int length = 40 - sha1.length();
+            if (length > 0) {
+                for (int i = 0; i < length; i++) {
+                    sha1 = "0" + sha1;
+                }
+            }
+            return sha1;
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            try {
+                if (in != null) {
+                    in.close();
+                }
+            } catch (IOException e) {
+            }
+        }
+        return null;
+    }
+
+
+    /***
+     * 计算SHA1码
+     *
+     * @return String 适用于上G大的文件
+     * @throws NoSuchAlgorithmException
+     * */
+    public static String sha1ByBigFile(File file) {
+        MessageDigest messagedigest = null;
+        try {
+            messagedigest = MessageDigest.getInstance("SHA-1");
+            FileInputStream in = new FileInputStream(file);
+            FileChannel ch = in.getChannel();
+            MappedByteBuffer byteBuffer = ch.map(FileChannel.MapMode.READ_ONLY, 0, file.length());
+            messagedigest.update(byteBuffer);
+            return StrUtil.toHex(messagedigest.digest());
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    /**
+     * 文件md5
+     *
+     * @param file
+     * @return
+     */
+    public static String md5(File file) {
+        FileInputStream in = null;
+        try {
+            in = new FileInputStream(file);
+            MessageDigest digest = MessageDigest.getInstance("MD5");
+            byte[] buffer = new byte[1024 * 1024 * 10];
+
+            int len = 0;
+            while ((len = in.read(buffer)) > 0) {
+                digest.update(buffer, 0, len);
+            }
+            String md5 = new BigInteger(1, digest.digest()).toString(16);
+            int length = 32 - md5.length();
+            if (length > 0) {
+                for (int i = 0; i < length; i++) {
+                    md5 = "0" + md5;
+                }
+            }
+            return md5;
+        } catch (IOException e) {
+            System.out.println(e);
+        } catch (NoSuchAlgorithmException e) {
+            System.out.println(e);
+        } finally {
+            try {
+                if (in != null) {
+                    in.close();
+                }
+            } catch (IOException e) {
+                System.out.println(e);
+            }
+        }
+        return null;
+    }
+
+    /**
+     * 对一个文件获取md5值
+     *
+     * @return md5串
+     * @throws NoSuchAlgorithmException
+     */
+    public static String md5ByBigFile(File file) {
+
+        MessageDigest messagedigest = null;
+        try {
+            messagedigest = MessageDigest.getInstance("MD5");
+            FileInputStream in = new FileInputStream(file);
+            FileChannel ch = in.getChannel();
+            MappedByteBuffer byteBuffer = ch.map(FileChannel.MapMode.READ_ONLY, 0,
+                    file.length());
+            messagedigest.update(byteBuffer);
+            return StrUtil.toHex(messagedigest.digest());
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    /**
+     * 获取文件CRC32码
+     *
+     * @return String
+     */
+    public static String crc32(File file) {
+        CRC32 crc32 = new CRC32();
+        // MessageDigest.get
+        FileInputStream fileInputStream = null;
+        try {
+            fileInputStream = new FileInputStream(file);
+            byte[] buffer = new byte[8192];
+            int length;
+            while ((length = fileInputStream.read(buffer)) != -1) {
+                crc32.update(buffer, 0, length);
+            }
+            return crc32.getValue() + "";
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+            return null;
+        } catch (IOException e) {
+            e.printStackTrace();
+            return null;
+        } finally {
+            try {
+                if (fileInputStream != null) {
+                    fileInputStream.close();
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    /**
+     * 获取文件base64
+     *
+     * @param file
+     * @return
+     */
+    public static String base64(File file) {
+        FileInputStream fileInputStream = null;
+        byte[] data = null;
+        // 读取图片字节数组
+        try {
+            fileInputStream = new FileInputStream(file);
+            data = new byte[fileInputStream.available()];
+            fileInputStream.read(data);
+            fileInputStream.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        // 对字节数组Base64编码
+        BASE64Encoder encoder = new BASE64Encoder();
+        return encoder.encode(data);
+    }
+
+
+   /* public static void main(String[] args) {
+
+        String s1 = base64(new File("C:\\Users\\Administrator\\Desktop\\a.html"));
+        System.out.println(s1);
+
+        String s = sha1(new File("C:\\Users\\Administrator\\Desktop\\a.html"));
+        String s2 = sha1ByBigFile(new File("C:\\Users\\Administrator\\Desktop\\a.html"));
+        System.out.println(s);
+        System.out.println(s2);
+
+
+        String md5 = md5(new File("C:\\Users\\Administrator\\Desktop\\a.html"));
+        String md52 = md5ByBigFile(new File("C:\\Users\\Administrator\\Desktop\\a.html"));
+        System.out.println(md5);
+        System.out.println(md52);
+
+
+        String crc32 = crc32(new File("C:\\Users\\Administrator\\Desktop\\a.html"));
+        System.out.println(crc32);
+    }*/
 }

src/main/java/com/yexuejc/base/util/IdcardValidator.java

@@ -47,7 +47,7 @@ public class IdcardValidator {
     /**
      * 每位加权因子
      */
-    private static int power[] = {7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2};
+    private static int[] power = {7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2};
 
     /**
      * 验证所有的身份证的合法性
@@ -167,9 +167,9 @@ public class IdcardValidator {
         // 获取第18位
         String idcard18Code = idcard.substring(17, 18);
 
-        char c[] = idcard17.toCharArray();
+        char[] c = idcard17.toCharArray();
 
-        int bit[] = converCharToInt(c);
+        int[] bit = converCharToInt(c);
 
         int sum17 = 0;
 
@@ -290,11 +290,11 @@ public class IdcardValidator {
 
         String idcard17 = idcard.substring(0, 6) + year + idcard.substring(8);
 
-        char c[] = idcard17.toCharArray();
+        char[] c = idcard17.toCharArray();
         String checkCode = "";
 
         // 将字符数组转为整型数组
-        int bit[] = converCharToInt(c);
+        int[] bit = converCharToInt(c);
 
         int sum17 = 0;
         sum17 = getPowerSum(bit);

src/main/java/com/yexuejc/base/util/ImgUtil.java

@@ -310,8 +310,16 @@ public class ImgUtil {
      * @throws IOException
      */
     public static byte[] byteImage(String imgUrl) throws IOException {
-        FileInputStream fis = new FileInputStream(imgUrl);
+        byte[] rs;
-        byte[] rs = new byte[fis.available()];
+        FileInputStream fis = null;
+        try {
+            fis = new FileInputStream(imgUrl);
+            rs = new byte[fis.available()];
+        } finally {
+            if (fis != null) {
+                fis.close();
+            }
+        }
         return rs;
     }
 

src/main/java/com/yexuejc/base/util/MapRemoveNullUtil.java

@@ -3,7 +3,6 @@ package com.yexuejc.base.util;
 import java.util.Collection;
 import java.util.Iterator;
 import java.util.Map;
-import java.util.Set;
 
 /**
  * map相关工具
@@ -36,10 +35,11 @@ public class MapRemoveNullUtil {
      * @return
      */
     public static Map removeNullKey(Map map) {
-        Set set = map.keySet();
+        for (Iterator it = map.entrySet().iterator(); it.hasNext(); ) {
-        for (Iterator iterator = set.iterator(); iterator.hasNext(); ) {
+            Map.Entry item = (Map.Entry) it.next();
-            Object obj = (Object) iterator.next();
+            if (StrUtil.isEmpty(item.getKey())) {
-            remove(obj, iterator);
+                it.remove();
+            }
         }
         return map;
     }
@@ -51,11 +51,11 @@ public class MapRemoveNullUtil {
      * @return
      */
     public static Map removeNullValue(Map map) {
-        Set set = map.keySet();
+        for (Iterator it = map.entrySet().iterator(); it.hasNext(); ) {
-        for (Iterator iterator = set.iterator(); iterator.hasNext(); ) {
+            Map.Entry item = (Map.Entry) it.next();
-            Object obj = (Object) iterator.next();
+            if (StrUtil.isEmpty(item.getValue())) {
-            Object value = (Object) map.get(obj);
+                it.remove();
-            remove(value, iterator);
+            }
         }
         return map;
     }

src/main/java/com/yexuejc/base/util/StrUtil.java

@@ -126,7 +126,7 @@ public final class StrUtil {
             return null;
         }
 
-        Map<String, String> map = new HashMap<String, String>();
+        Map<String, String> map = new HashMap<String, String>(16);
         String[] kv = null;
         for (String entry : entrys) {
             if (isEmpty(entry)) {
@@ -151,7 +151,7 @@ public final class StrUtil {
      * @param buf 初始字节数组
      * @return 转换后字符串
      */
-    public static String toHex(byte buf[]) {
+    public static String toHex(byte[] buf) {
         StringBuffer strbuf = new StringBuffer(buf.length * 2);
         int i;
         for (i = 0; i < buf.length; i++) {
@@ -181,7 +181,7 @@ public final class StrUtil {
             return null;
         }
         md.update(str.getBytes());
-        byte tmp[] = md.digest();
+        byte[] tmp = md.digest();
         return toHex(tmp);
     }
 
@@ -215,7 +215,7 @@ public final class StrUtil {
             return null;
         }
         messageDigest.update(str.getBytes());
-        byte tmp[] = messageDigest.digest();
+        byte[] tmp = messageDigest.digest();
         return toHex(tmp);
     }
 
@@ -241,8 +241,9 @@ public final class StrUtil {
      * @param str
      * @return
      */
+    private static Pattern pattern = Pattern.compile("[0-9]*");
+
     public static boolean isNumeric(String str) {
-        Pattern pattern = Pattern.compile("[0-9]*");
         Matcher isNum = pattern.matcher(str);
         if (!isNum.matches()) {
             return false;
@@ -262,16 +263,17 @@ public final class StrUtil {
         }
 
         StringBuilder coded = new StringBuilder();
+        Random random = new Random();
         for (int i = 0; i < 13; i++) {
-            coded.append(HEX_CHAR[(int) (Math.random() * 15L) + 1]);
+            coded.append(HEX_CHAR[random.nextInt(16)]);
         }
         coded.append(id.substring(0, 11));
         for (int i = 0; i < 7; i++) {
-            coded.append(HEX_CHAR[(int) (Math.random() * 15L) + 1]);
+            coded.append(HEX_CHAR[random.nextInt(16)]);
         }
         coded.append(id.substring(11));
         for (int i = 0; i < 12; i++) {
-            coded.append(HEX_CHAR[(int) (Math.random() * 15L) + 1]);
+            coded.append(HEX_CHAR[random.nextInt(16)]);
         }
 
         return coded.toString();
@@ -338,7 +340,7 @@ public final class StrUtil {
      * @return
      */
     public static Map<String, Object> mapSort(Map<String, ?> sortedParams) {
-        Map<String, Object> map = new HashMap<>();
+        Map<String, Object> map = new HashMap<>(16);
         List<String> keys = new ArrayList<>(sortedParams.keySet());
         Collections.sort(keys);
         int index = 0;

src/main/java/com/yexuejc/base/util/SysUtil.java

@@ -71,9 +71,12 @@ public class SysUtil {
     }
 
     /**
-     * 异步执行代码块
+     * 异步执行接口
      */
     public interface ThreadRun {
+        /**
+         * 执行代码块
+         */
         void execute();
     }
 }

src/main/java/com/yexuejc/base/util/ThreeDES.java

@@ -23,8 +23,8 @@ public class ThreeDES {
     private ThreeDES() {
     }
 
-    private static final String IV = "1234567-";
+    public static String IV = "1234567-";
-    private final static String encoding = "utf-8";
+    public static String ENCODING = "utf-8";
 
     /**
      * DESCBC加密
@@ -46,7 +46,7 @@ public class ThreeDES {
         Cipher cipher = Cipher.getInstance("desede/CBC/PKCS5Padding");
         IvParameterSpec ips = new IvParameterSpec(IV.getBytes());
         cipher.init(Cipher.ENCRYPT_MODE, deskey, ips);
-        byte[] encryptData = cipher.doFinal(src.getBytes(encoding));
+        byte[] encryptData = cipher.doFinal(src.getBytes(ENCODING));
         return Base64.encodeBase64URLSafeString(encryptData);
     }
 
@@ -72,7 +72,7 @@ public class ThreeDES {
 
         byte[] decryptData = cipher.doFinal(Base64.decodeBase64(src));
 
-        return new String(decryptData, encoding);
+        return new String(decryptData, ENCODING);
     }
 
     /**