Classes in this File | Line Coverage | Branch Coverage | Complexity | |||||||
Log |
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| 1.0;1 |
1 | /* |
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2 | * |
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3 | * Copyright 2005 The Apache Software Foundation. |
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4 | * |
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5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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6 | * you may not use this file except in compliance with the License. |
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7 | * You may obtain a copy of the License at |
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8 | * |
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9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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10 | * |
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11 | * Unless required by applicable law or agreed to in writing, software |
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12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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14 | * See the License for the specific language governing permissions and |
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15 | * limitations under the License. |
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16 | * |
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17 | */ |
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18 | package org.apache.commons.scxml.model; |
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19 | ||
20 | import java.util.Collection; |
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21 | ||
22 | import org.apache.commons.scxml.Context; |
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23 | import org.apache.commons.scxml.ErrorReporter; |
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24 | import org.apache.commons.scxml.Evaluator; |
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25 | import org.apache.commons.scxml.EventDispatcher; |
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26 | import org.apache.commons.scxml.SCInstance; |
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27 | import org.apache.commons.scxml.SCXMLExpressionException; |
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28 | ||
29 | /** |
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30 | * The class in this SCXML object model that corresponds to the |
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31 | * <log> SCXML element. |
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32 | * |
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33 | */ |
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34 | public class Log extends Action { |
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35 | ||
36 | /** |
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37 | * An expression evaluating to a string to be logged. |
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38 | */ |
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39 | private String expr; |
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40 | ||
41 | /** |
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42 | * An expression which returns string which may be used, for example, |
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43 | * to indicate the purpose of the log. |
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44 | */ |
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45 | private String label; |
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46 | ||
47 | /** |
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48 | * Constructor. |
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49 | */ |
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50 | public Log() { |
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51 | 26 | super(); |
52 | 26 | } |
53 | ||
54 | /** |
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55 | * Get the log expression. |
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56 | * |
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57 | * @return Returns the expression. |
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58 | */ |
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59 | public final String getExpr() { |
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60 | 11 | return expr; |
61 | } |
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62 | ||
63 | /** |
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64 | * Set the log expression. |
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65 | * |
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66 | * @param expr The expr to set. |
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67 | */ |
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68 | public final void setExpr(final String expr) { |
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69 | 26 | this.expr = expr; |
70 | 26 | } |
71 | ||
72 | /** |
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73 | * Get the log label. |
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74 | * |
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75 | * @return Returns the label. |
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76 | */ |
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77 | public final String getLabel() { |
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78 | 0 | return label; |
79 | } |
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80 | ||
81 | /** |
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82 | * Set the log label. |
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83 | * |
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84 | * @param label The label to set. |
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85 | */ |
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86 | public final void setLabel(final String label) { |
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87 | 1 | this.label = label; |
88 | 1 | } |
89 | ||
90 | /** |
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91 | * {@inheritDoc} |
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92 | */ |
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93 | public void execute(final EventDispatcher evtDispatcher, |
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94 | final ErrorReporter errRep, final SCInstance scInstance, |
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95 | final org.apache.commons.logging.Log appLog, |
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96 | final Collection derivedEvents) |
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97 | throws ModelException, SCXMLExpressionException { |
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98 | 8 | Context ctx = scInstance.getContext(getParentState()); |
99 | 8 | Evaluator eval = scInstance.getEvaluator(); |
100 | 8 | appLog.info(label + ": " + String.valueOf(eval.eval(ctx, expr))); |
101 | 8 | } |
102 | } |
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103 |