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org.apache.turbine.util.validation.EmailValidator |
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1 | package org.apache.turbine.util.validation; |
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2 | ||
3 | /* |
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4 | * Copyright 2001-2005 The Apache Software Foundation. |
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5 | * |
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6 | * Licensed under the Apache License, Version 2.0 (the "License") |
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7 | * you may not use this file except in compliance with the License. |
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8 | * You may obtain a copy of the License at |
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9 | * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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11 | * |
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12 | * Unless required by applicable law or agreed to in writing, software |
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13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | * See the License for the specific language governing permissions and |
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16 | * limitations under the License. |
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17 | */ |
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18 | ||
19 | /** |
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20 | * @author <a href="mailto:mikeh@ncsa.uiuc.edu">Mike Haberman</a> |
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21 | * @version $Id: EmailValidator.java 264148 2005-08-29 14:21:04Z henning $ |
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22 | * @deprecated Use Intake or commons-validator |
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23 | */ |
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24 | public class EmailValidator extends InputValidator |
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25 | { |
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26 | /** |
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27 | * default Constructor, |
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28 | */ |
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29 | public EmailValidator() |
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30 | { |
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31 | 0 | super(false, NoMaxSize, EmptyArgv); |
32 | 0 | } |
33 | ||
34 | /** |
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35 | * @param String input, input to be checked |
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36 | */ |
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37 | protected void check(String input) |
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38 | throws Exception |
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39 | { |
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40 | // the only two checks: |
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41 | // 1. @ must be present |
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42 | // 2. must end in '.extension' |
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43 | ||
44 | 0 | int idx = input.indexOf("@"); |
45 | 0 | if (idx == -1) |
46 | { |
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47 | 0 | throw new Exception("Missing @"); |
48 | } |
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49 | ||
50 | 0 | idx = input.lastIndexOf("."); |
51 | 0 | if (idx == -1) |
52 | { |
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53 | 0 | throw new Exception("Missing .{top level domain} suffix"); |
54 | } |
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55 | ||
56 | 0 | String domain = input.substring(idx); |
57 | 0 | if (domain.length() < 3) |
58 | { |
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59 | 0 | throw new Exception("Invalid .{top level domain} suffix"); |
60 | } |
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61 | 0 | } |
62 | ||
63 | /** |
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64 | * @return String, the expected format of the input |
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65 | */ |
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66 | public String getExpectedFormat() |
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67 | { |
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68 | 0 | return "name@domain.topLevelDomain"; |
69 | } |
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70 | } |
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