加密和解密是不是在我的球衣項目正常工作

Question

//MY PathParam code 
package com.security.security; 
import javax.websocket.server.PathParam; 
import javax.ws.rs.GET; 
import javax.ws.rs.POST; 
import javax.ws.rs.Path; 
import javax.ws.rs.Produces; 
import javax.ws.rs.QueryParam; 
import javax.ws.rs.core.Response; 
import org.codehaus.jettison.json.JSONException; 
import com.security.security.AesUtilHelper; 
import com.security.security.EncryptionUtil;; 
@Path("Example") 
public class encryptWithQuery { 
@GET 
@Produces("application/json") 
@Path("/encrypt/{name}/") 
public static String Encrypt(@PathParam("name") String PLAIN_TEXT){ 
     EncryptionUtil util=new EncryptionUtil(); 
     String encrypt = util.encode(PLAIN_TEXT); 
     return encrypt; 
    } 
@GET 
@Produces("application/json") 
@Path("/decrypt/{name1:(.+)?}/") 
public static String Decrypt(@PathParam("name1") String encrypt){ 
     EncryptionUtil util=new EncryptionUtil(); 
     String decrypt = util.decode(encrypt);  
     System.out.println(decrypt); 
     return decrypt; 
    } 
} 

//加密和解密 //加密顯示相同的值和解密的字節數組不能轉換成字符串

 import java.security.spec.AlgorithmParameterSpec; 
     import java.security.spec.KeySpec; 
     import javax.crypto.Cipher; 
     import javax.crypto.SecretKey; 
     import javax.crypto.SecretKeyFactory; 
     import javax.crypto.spec.PBEKeySpec; 
     import javax.crypto.spec.PBEParameterSpec; 
     import org.apache.commons.codec.binary.Base64; 
     public class EncryptionUtil 
     { 
      // some random salt 
      private static final byte[]SALT= { (byte) 0x21, (byte) 0x21, (byte) 0xF0, (byte) 0x55, (byte) 0xC3, (byte) 0x9F, (byte) 0x5A, (byte) 0x75      }; 
      private final static int ITERATION_COUNT = 31; 
      EncryptionUtil() 
      { 
      } 
      public static String encode(String input) 
      { 
       if (input == null) 
       { 
        throw new IllegalArgumentException(); 
       } 
       try 
       { 

        KeySpec keySpec = new PBEKeySpec(null, SALT, ITERATION_COUNT); 
        AlgorithmParameterSpec paramSpec = new PBEParameterSpec(SALT, ITERATION_COUNT); 

        SecretKey key = SecretKeyFactory.getInstance("PBEWithMD5AndDES").generateSecret(keySpec); 

        Cipher ecipher = Cipher.getInstance(key.getAlgorithm()); 
        ecipher.init(Cipher.ENCRYPT_MODE, key, paramSpec); 

        byte[] enc = ecipher.doFinal(input.getBytes()); 

        String res = new String(Base64.encodeBase64(enc)); 
        // escapes for url 
        res = res.replace('+', '-').replace('/', '_').replace("%", "%25").replace("\n", "%0A"); 
        System.out.println("ecncoded value is " + new String(res)); 

        return res; 

       } 
       catch (Exception e) 
       { 
       } 

       return ""; 

      } 

      public static String decode(String token) 
      { 
       //System.out.println(token); 

       if (token == null) 
       { 
        return null; 
       } 
       try 
       { 

        String input = token.replace("%0A", "\n").replace("%25", "%").replace('_', '/').replace('-', '+'); 
       // System.out.println(input); 

        byte[] dec = Base64.decodeBase64(input.getBytes()); 
        //System.out.println(dec); 

        KeySpec keySpec = new PBEKeySpec(null, SALT, ITERATION_COUNT); 
        AlgorithmParameterSpec paramSpec = new PBEParameterSpec(SALT, ITERATION_COUNT); 
        //System.out.println(keySpec); 
        //System.out.println(paramSpec); 

        SecretKey key = SecretKeyFactory.getInstance("PBEWithMD5AndDES").generateSecret(keySpec); 
        //System.out.println(key); 

        Cipher dcipher = Cipher.getInstance(key.getAlgorithm()); 
        dcipher.init(Cipher.DECRYPT_MODE, key, paramSpec); 

        byte[] decoded = dcipher.doFinal(dec); 
        System.out.println(decoded); 
        String result = new String(decoded); 
        System.out.println("Decoded value is " + new String(decoded)); 
        return result; 

       } 
       catch (Exception e) 
       { 
        e.printStackTrace(); 
       } 
       return null; 
      } 

     } 

---

... .. //這裏是我的EncryptionUtil.java
當我運行加密路徑參數時，我沒有得到正確的結果，但是當我在解碼路徑參數中運行加密字符串時，顯示空白屏幕..即沒有轉換爲字符串的字節數組

Answer 1

import javax.ws.rs.GET; 
import javax.ws.rs.POST; 
import javax.ws.rs.Path; 
import javax.ws.rs.PathParam; 
import javax.ws.rs.Produces; 
import javax.ws.rs.QueryParam; 
import javax.ws.rs.core.Response; 

import org.codehaus.jettison.json.JSONException; 

import com.security.security.AesUtilHelper; 
import com.security.security.EncryptionUtil;; 

@Path("Example") 

public class encryptWithQuery { 

    @GET 
    @Produces("application/json") 

    @Path("/encrypt/{name:(.+)?}/") 
    public static String Encrypt(@PathParam("name") String PLAIN_TEXT){ 
      EncryptionUtil util=new EncryptionUtil(); 
      String encrypt = util.encode(PLAIN_TEXT); 
      return encrypt; 
     } 
    @GET 
    @Produces("application/json") 
    @Path("/decrypt/{name1:(.+)?}/") 
    public static String Decrypt(@PathParam("name1") String encrypt){ 
      EncryptionUtil util=new EncryptionUtil(); 
      String decrypt = util.decode(encrypt);  
      System.out.println(decrypt); 
      return decrypt; 
     } 
    }