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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 | ||
| 72 | ||
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| 74 |
| This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |