Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
StringAdaptor |
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| 1.5;1.5 |
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.util.io; |
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16 | ||
17 | import org.apache.tapestry.services.DataSqueezer; |
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18 | ||
19 | /** |
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20 | * Squeezes a String (which is pretty simple, most of the time). |
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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 | 8 | public class StringAdaptor implements SqueezeAdaptor |
26 | { |
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27 | ||
28 | private static final String PREFIX = "S"; |
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29 | ||
30 | public String getPrefix() |
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31 | { |
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32 | 8 | return PREFIX; |
33 | } |
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34 | ||
35 | public Class getDataClass() |
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36 | { |
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37 | 9 | return String.class; |
38 | } |
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39 | ||
40 | public String squeeze(DataSqueezer squeezer, Object data) |
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41 | { |
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42 | 6 | String string = (String) data; |
43 | ||
44 | 6 | return PREFIX + string; |
45 | } |
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46 | ||
47 | /** |
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48 | * Strips the prefix from the string. This method is only invoked by the |
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49 | * {@link DataSqueezerImpl} if the string leads with its normal prefix (an |
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50 | * 'S'). |
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51 | */ |
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52 | ||
53 | public Object unsqueeze(DataSqueezer squeezer, String string) |
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54 | { |
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55 | 5 | if (string.length() == 1) return ""; |
56 | ||
57 | 5 | return string.substring(1); |
58 | } |
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59 | } |