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org.apache.commons.jelly.tags.util.TokenizeTag |
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1 | /* |
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2 | * Copyright 2002,2004 The Apache Software Foundation. |
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3 | * |
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4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 | * you may not use this file except in compliance with the License. |
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6 | * You may obtain a copy of the License at |
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7 | * |
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8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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9 | * |
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10 | * Unless required by applicable law or agreed to in writing, software |
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11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 | * See the License for the specific language governing permissions and |
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14 | * limitations under the License. |
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15 | */ |
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16 | ||
17 | package org.apache.commons.jelly.tags.util; |
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18 | ||
19 | import java.util.ArrayList; |
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20 | import java.util.List; |
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21 | import java.util.StringTokenizer; |
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22 | ||
23 | import org.apache.commons.jelly.JellyTagException; |
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24 | import org.apache.commons.jelly.MissingAttributeException; |
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25 | import org.apache.commons.jelly.TagSupport; |
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26 | import org.apache.commons.jelly.XMLOutput; |
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27 | ||
28 | public class TokenizeTag extends TagSupport |
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29 | { |
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30 | private String var; |
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31 | private String delim; |
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32 | ||
33 | public TokenizeTag() |
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34 | 1 | { |
35 | 1 | } |
36 | ||
37 | ||
38 | // Tag interface |
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39 | //------------------------------------------------------------------------- |
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40 | ||
41 | public void doTag(final XMLOutput output) throws MissingAttributeException, JellyTagException { |
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42 | 1 | if ( this.var == null ) |
43 | { |
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44 | 0 | throw new MissingAttributeException( "var" ); |
45 | } |
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46 | ||
47 | 1 | if ( this.delim == null ) |
48 | { |
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49 | 0 | throw new MissingAttributeException( "delim" ); |
50 | } |
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51 | ||
52 | 1 | StringTokenizer tokenizer = new StringTokenizer( getBodyText(), |
53 | this.delim ); |
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54 | ||
55 | 1 | List tokens = new ArrayList(); |
56 | ||
57 | 6 | while ( tokenizer.hasMoreTokens() ) |
58 | { |
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59 | 4 | tokens.add( tokenizer.nextToken() ); |
60 | } |
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61 | ||
62 | 1 | getContext().setVariable( this.var, |
63 | tokens ); |
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64 | 1 | } |
65 | ||
66 | /** The variable name to hold the list of tokens */ |
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67 | public void setVar(String var) |
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68 | { |
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69 | 1 | this.var = class="keyword">var; |
70 | 1 | } |
71 | ||
72 | /** the delimiter that separates the tokens */ |
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73 | public void setDelim(String delim) |
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74 | { |
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75 | 1 | this.delim = delim; |
76 | 1 | } |
77 | ||
78 | } |
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