Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
InitToken |
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| 2.0;2 |
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 | * Generates a String from its child tokens, then applies it to |
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21 | * {@link ScriptSessionImpl#setInitialization(String)}. |
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22 | * |
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23 | * @author Howard Lewis Ship |
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24 | * @since 0.2.9 |
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25 | */ |
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26 | ||
27 | class InitToken extends AbstractToken |
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28 | { |
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29 | ||
30 | 2 | private int _bufferLengthHighwater = 100; |
31 | ||
32 | public InitToken(Location location) |
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33 | { |
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34 | 2 | super(location); |
35 | 2 | } |
36 | ||
37 | public void write(StringBuffer buffer, ScriptSession session) |
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38 | { |
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39 | 2 | if (buffer != null) throw new IllegalArgumentException(); |
40 | ||
41 | 2 | StringBuffer useBuffer = new StringBuffer(_bufferLengthHighwater); |
42 | ||
43 | 2 | writeChildren(useBuffer, session); |
44 | ||
45 | 2 | session.addInitializationScript(useBuffer.toString()); |
46 | ||
47 | // Store the buffer length from this run for the next run, since its |
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48 | // going to be approximately the right size. |
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49 | ||
50 | 2 | _bufferLengthHighwater = Math.max(_bufferLengthHighwater, useBuffer |
51 | .length()); |
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52 | 2 | } |
53 | } |