Classes in this File | Line Coverage | Branch Coverage | Complexity | |||||||
SetToken |
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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.script; |
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16 | ||
17 | import org.apache.hivemind.Location; |
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18 | ||
19 | /** |
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20 | * Like {@link org.apache.tapestry.script.LetToken}, but sets the value from an |
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21 | * expression attribute, rather than a body of full content. |
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22 | * |
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23 | * @author Howard Lewis Ship |
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24 | * @since 2.2 |
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25 | */ |
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26 | ||
27 | class SetToken extends AbstractToken |
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28 | { |
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29 | ||
30 | private String _key; |
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31 | private String _expression; |
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32 | ||
33 | SetToken(String key, String expression, Location location) |
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34 | { |
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35 | 1 | super(location); |
36 | 1 | _key = key; |
37 | 1 | _expression = expression; |
38 | 1 | } |
39 | ||
40 | /** |
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41 | * Doesn't <em>write</em>, it evaluates the expression and assigns the |
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42 | * result back to the key. |
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43 | */ |
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44 | ||
45 | public void write(StringBuffer buffer, ScriptSession session) |
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46 | { |
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47 | ||
48 | 1 | Object value = evaluate(_expression, session); |
49 | ||
50 | 1 | session.getSymbols().put(_key, value); |
51 | 1 | } |
52 | ||
53 | } |