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1 /*
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2 Copyright (c) 2008 Franklin Schmidt <fschmidt@gmail.com>
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3
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4 Permission is hereby granted, free of charge, to any person obtaining a copy
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5 of this software and associated documentation files (the "Software"), to deal
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6 in the Software without restriction, including without limitation the rights
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7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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8 copies of the Software, and to permit persons to whom the Software is
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9 furnished to do so, subject to the following conditions:
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10
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11 The above copyright notice and this permission notice shall be included in
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12 all copies or substantial portions of the Software.
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13
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14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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20 THE SOFTWARE.
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21 */
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22
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23 package fschmidt.util.mail;
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24
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25 import java.util.regex.Pattern;
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26
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27 public class MailAddress {
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28
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29 public static final Pattern EMAIL_PATTERN =
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30 Pattern.compile("\\b(\\w[-+~.\\w]*)@[-\\w]+(\\.[-\\w]+)*\\.[a-zA-Z]+\\b");
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31
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32 private final String addrSpec;
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33 private final String displayName;
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34
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35 public MailAddress(String addrSpec) {
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36 this(addrSpec,null);
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37 }
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38
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39 public MailAddress(String addrSpec,String displayName) {
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40 this.addrSpec = addrSpec;
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41 this.displayName = displayName;
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42 }
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43
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44 public String getAddrSpec() {
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45 return addrSpec;
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46 }
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47
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48 public String getDisplayName() {
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49 return displayName;
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50 }
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51
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52 public String toString() {
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53 return displayName==null ? addrSpec : displayName+" <"+addrSpec+">";
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54 }
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55
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56 public boolean equals(Object o) {
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57 if( !(o instanceof MailAddress) )
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58 return false;
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59 MailAddress ma = (MailAddress)o;
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60 return addrSpec.equals(ma.addrSpec);
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61 }
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62
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63 public int hashCode() {
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64 return addrSpec.hashCode();
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65 }
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66
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67 public boolean isValid() {
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68 return EMAIL_PATTERN.matcher(addrSpec).matches() && addrSpec.indexOf("..") == -1;
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69 }
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70
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71 // Test Code ----------------------------------------------------------------------------------
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72
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73 public static void main(String[] args) {
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74 String[] valid = {
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75 "none@none.net",
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76 "none-owner@none.net",
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77 "none+owner@none.net",
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78 "none-the-owner@none.net.us",
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79 "none.owner@none.net.us",
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80 "fwd+lists~2B1264539414801-166331~40in.nabble.com+pharo-project-request~40lists.gforge.inria.fr+-679136591@in.nabble.com"
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81 };
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82
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83 String[] invalid = {
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84 // "none-@none.net", // not sure
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85 "none...@none.net",
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86 "none@none.net-",
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87 "...none@none.net.us...",
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88 ".-.@---",
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89 "none@none+plus.com",
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90 "none @none.net",
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91 "none@ none.net",
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92 "abc.example.com",
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93 // "abc.@example.com", // not sure
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94 "abc..123@example.com",
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95 "a@b@c@example.com",
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96 "()[]\\;:,<>@example.com"
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97 };
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98
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99 System.out.println("--- Valid (Only TRUE)");
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100 printEmailValidation(valid);
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101
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102 System.out.println("--- Invalid (Only FALSE)");
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103 printEmailValidation(invalid);
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104 }
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105
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106 private static void printEmailValidation(String[] valid) {
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107 for (String s : valid) {
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108 MailAddress mailAddress = new MailAddress(s);
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109 System.out.println(s + " (" + mailAddress.isValid() + ')');
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110 }
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111 }
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112 }
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