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org.apache.commons.jexl.parser.ASTIdentifier |
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1 | /* |
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2 | * Copyright 2002,2004 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 | ||
18 | package org.apache.commons.jexl.parser; |
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19 | ||
20 | import org.apache.commons.jexl.JexlContext; |
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21 | ||
22 | /** |
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23 | * Simple identifier - |
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24 | * $foo or $foo.bar (both parts are identifiers...) |
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25 | * |
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26 | * @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a> |
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27 | * @version $Id: ASTIdentifier.java,v 1.6 2004/02/28 13:45:20 yoavs Exp $ |
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28 | */ |
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29 | public class ASTIdentifier extends SimpleNode |
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30 | { |
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31 | protected String val; |
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32 | ||
33 | public ASTIdentifier(int id) |
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34 | { |
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35 | 0 | super(id); |
36 | 0 | } |
37 | ||
38 | public ASTIdentifier(Parser p, int id) |
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39 | { |
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40 | 2277 | super(p, id); |
41 | 2277 | } |
42 | ||
43 | /** Accept the visitor. **/ |
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44 | public Object jjtAccept(ParserVisitor visitor, Object data) |
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45 | { |
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46 | 0 | return visitor.visit(this, data); |
47 | } |
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48 | ||
49 | ||
50 | public Object value(JexlContext jc) |
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51 | throws Exception |
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52 | { |
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53 | 1656 | return jc.getVars().get(val); |
54 | } |
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55 | ||
56 | /** |
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57 | * returns the value of itself applied to the object. |
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58 | * We assume that an identifier can be gotten via a get(String) |
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59 | */ |
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60 | public Object execute(Object obj, JexlContext jc) |
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61 | throws Exception |
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62 | { |
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63 | 207 | return ASTArrayAccess.evaluateExpr(obj, val); |
64 | } |
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65 | ||
66 | public String getIdentifierString() |
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67 | { |
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68 | 0 | return val; |
69 | } |
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70 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |