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1 package christie.topology.manager;
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2
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3
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4 import christie.annotation.Take;
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5 import christie.codegear.CodeGear;
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6
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7 import christie.codegear.CodeGearManager;
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8 import org.apache.commons.lang3.RandomStringUtils;
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9
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10 import java.security.MessageDigest;
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11 import java.security.NoSuchAlgorithmException;
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12 import java.util.LinkedList;
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13
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14 public class CreateHash extends CodeGear{
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15 // this CodeSegment change raw string to MD5
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16
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17 // Question: orderHashどこで使われているかわかんない
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18 //@Take
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19 //orderHash;
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20
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21 @Take
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22 LinkedList<String> createdList;
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23
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24
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25 public CreateHash(){ }
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26
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27 @Override
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28 protected void run(CodeGearManager cgm) {
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29
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30 boolean checkNewStr = false;
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31 String raw = null;
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32
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33 while (!checkNewStr){
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34 raw = RandomStringUtils.randomAscii(10);
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35 // checking raw String has already created
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36 int count = 0;
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37 for (String str : createdList) {
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38 if (raw.equals(str)) break;
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39 count++;
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40 }
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41
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42 if (count == createdList.size()) checkNewStr = true;
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43 }
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44 createdList.add(raw);
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45 getLocalDGM().put("createdList", createdList);
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46
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47 try { // convert to MD5
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48 String MD5 = convertMD5(raw);
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49
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50 getLocalDGM().put("MD5", MD5);
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51 } catch (NoSuchAlgorithmException e) {
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52 System.out.println("cannot convert MD5");
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53
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54 }
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55 cgm.setup(new CreateHash());
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56 }
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57
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58 private String convertMD5(String raw) throws NoSuchAlgorithmException{
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59 MessageDigest md = MessageDigest.getInstance("MD5");
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60 md.update(raw.getBytes());
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61 byte[] hash = md.digest();
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62 StringBuilder builder = new StringBuilder();
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63 for (byte aHash : hash) {
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64 if ((0xff & aHash) < 0x10) {
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65 builder.append("0" + Integer.toHexString((0xff & aHash)));
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66 } else {
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67 builder.append(Integer.toHexString((0xff & aHash)));
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68 }
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69 }
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70 return builder.toString();
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71 }
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72
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73 }
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