1 | /* |
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2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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3 | * contributor license agreements. See the NOTICE file distributed with |
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4 | * this work for additional information regarding copyright ownership. |
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5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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6 | * (the "License"); you may not use this file except in compliance with |
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7 | * the License. You may obtain a copy of the License at |
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8 | * |
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9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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10 | * |
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11 | * Unless required by applicable law or agreed to in writing, software |
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12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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14 | * See the License for the specific language governing permissions and |
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15 | * limitations under the License. |
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16 | */ |
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17 | |
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18 | |
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19 | package jsp2.examples.simpletag; |
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20 | |
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21 | import javax.servlet.jsp.JspException; |
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22 | import javax.servlet.jsp.tagext.JspFragment; |
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23 | import javax.servlet.jsp.tagext.SimpleTagSupport; |
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24 | import java.io.IOException; |
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25 | |
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26 | /** |
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27 | * SimpleTag handler that accepts takes three attributes of type |
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28 | * JspFragment and invokes then in a random order. |
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29 | */ |
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30 | public class ShuffleSimpleTag extends SimpleTagSupport { |
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31 | private JspFragment fragment1; |
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32 | private JspFragment fragment2; |
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33 | private JspFragment fragment3; |
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34 | |
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35 | public void doTag() throws JspException, IOException { |
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36 | switch( (int)(Math.random() * 6) ) { |
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37 | case 0: |
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38 | fragment1.invoke( null ); |
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39 | fragment2.invoke( null ); |
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40 | fragment3.invoke( null ); |
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41 | break; |
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42 | case 1: |
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43 | fragment1.invoke( null ); |
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44 | fragment3.invoke( null ); |
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45 | fragment2.invoke( null ); |
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46 | break; |
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47 | case 2: |
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48 | fragment2.invoke( null ); |
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49 | fragment1.invoke( null ); |
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50 | fragment3.invoke( null ); |
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51 | break; |
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52 | case 3: |
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53 | fragment2.invoke( null ); |
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54 | fragment3.invoke( null ); |
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55 | fragment1.invoke( null ); |
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56 | break; |
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57 | case 4: |
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58 | fragment3.invoke( null ); |
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59 | fragment1.invoke( null ); |
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60 | fragment2.invoke( null ); |
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61 | break; |
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62 | case 5: |
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63 | fragment3.invoke( null ); |
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64 | fragment2.invoke( null ); |
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65 | fragment1.invoke( null ); |
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66 | break; |
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67 | } |
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68 | } |
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69 | |
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70 | public void setFragment1( JspFragment fragment1 ) { |
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71 | this.fragment1 = fragment1; |
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72 | } |
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73 | |
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74 | public void setFragment2( JspFragment fragment2 ) { |
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75 | this.fragment2 = fragment2; |
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76 | } |
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77 | |
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78 | public void setFragment3( JspFragment fragment3 ) { |
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79 | this.fragment3 = fragment3; |
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80 | } |
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81 | } |
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