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org.apache.commons.jexl.util.GetExecutor |
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1 | /* |
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2 | * Copyright 2000-2001,2004 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.jexl.util; |
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18 | ||
19 | import java.lang.reflect.InvocationTargetException; |
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20 | ||
21 | import org.apache.commons.logging.Log; |
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22 | ||
23 | ||
24 | /** |
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25 | * Executor that simply tries to execute a get(key) |
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26 | * operation. This will try to find a get(key) method |
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27 | * for any type of object, not just objects that |
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28 | * implement the Map interface as was previously |
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29 | * the case. |
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30 | * |
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31 | * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a> |
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32 | * @version $Id: GetExecutor.java,v 1.4 2004/02/28 13:45:21 yoavs Exp $ |
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33 | */ |
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34 | public class GetExecutor extends AbstractExecutor |
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35 | { |
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36 | /** |
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37 | * Container to hold the 'key' part of |
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38 | * get(key). |
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39 | */ |
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40 | 0 | private Object[] args = new Object[1]; |
41 | ||
42 | /** |
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43 | * Default constructor. |
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44 | */ |
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45 | public GetExecutor(Log r, org.apache.commons.jexl.util.introspection.Introspector ispect, Class c, String key) |
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46 | throws Exception |
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47 | 0 | { |
48 | 0 | rlog = r; |
49 | 0 | args[0] = key; |
50 | 0 | method = ispect.getMethod(c, "get", args); |
51 | 0 | } |
52 | ||
53 | /** |
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54 | * Execute method against context. |
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55 | */ |
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56 | public Object execute(Object o) |
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57 | throws IllegalAccessException, InvocationTargetException |
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58 | { |
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59 | 0 | if (method == null) |
60 | 0 | return null; |
61 | ||
62 | 0 | return method.invoke(o, args); |
63 | } |
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64 | ||
65 | } |
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66 | ||
67 | ||
68 | ||
69 | ||
70 | ||
71 | ||
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73 | ||
74 |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |