Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
EvenOdd |
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| 1.0;1 |
1 | // Copyright 2004, 2005 The Apache Software Foundation |
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2 | // |
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3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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4 | // you may not use this file except in compliance with the License. |
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5 | // You may obtain a copy of the License at |
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6 | // |
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7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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8 | // |
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9 | // Unless required by applicable law or agreed to in writing, software |
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10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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12 | // See the License for the specific language governing permissions and |
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13 | // limitations under the License. |
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14 | ||
15 | package org.apache.tapestry.bean; |
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16 | ||
17 | /** |
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18 | * Used to emit a stream of alterating string values: "even", "odd", etc. This |
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19 | * is often used in the Inspector pages to make the class of a <tr> |
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20 | * alternate for presentation reasons. |
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21 | * |
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22 | * @author Howard Lewis Ship |
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23 | */ |
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24 | ||
25 | 0 | public class EvenOdd |
26 | { |
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27 | ||
28 | 0 | private boolean even = true; |
29 | ||
30 | /** |
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31 | * Returns "even" or "odd". Whatever it returns on one invocation, it will |
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32 | * return the opposite on the next. By default, the first value returned is |
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33 | * "even". |
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34 | */ |
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35 | ||
36 | public String getNext() |
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37 | { |
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38 | 0 | String result = even ? "even" : "odd"; |
39 | ||
40 | 0 | even = !even; |
41 | ||
42 | 0 | return result; |
43 | } |
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44 | ||
45 | public boolean isEven() |
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46 | { |
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47 | 0 | return even; |
48 | } |
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49 | ||
50 | /** |
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51 | * Overrides the even flag. |
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52 | */ |
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53 | ||
54 | public void setEven(boolean value) |
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55 | { |
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56 | 0 | even = value; |
57 | 0 | } |
58 | } |