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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.scxml2.model;
18  
19  import org.apache.commons.scxml2.ActionExecutionContext;
20  import org.apache.commons.scxml2.Context;
21  import org.apache.commons.scxml2.Evaluator;
22  import org.apache.commons.scxml2.SCXMLExpressionException;
23  
24  /**
25   * The class in this SCXML object model that corresponds to the
26   * <script> SCXML element.
27   *
28   * TODO src attribute support
29   */
30  public class Script extends Action implements BodyContainer {
31  
32      /**
33       * Serial version UID.
34       */
35      private static final long serialVersionUID = 1L;
36  
37      private boolean globalScript;
38      private String body;
39  
40      /**
41       * Constructor.
42       */
43      public Script() {
44          super();
45      }
46  
47      public boolean isGlobalScript() {
48          return globalScript;
49      }
50  
51      public void setGlobalScript(final boolean globalScript) {
52          this.globalScript = globalScript;
53      }
54  
55      @Override
56      public String getBody() {
57          return body;
58      }
59  
60      @Override
61      public void setBody(String body) {
62          this.body = body;
63      }
64  
65      /**
66       * Get the script to execute.
67       *
68       * @return The script to execute.
69       */
70      public String getScript() {
71          return body;
72      }
73  
74      /**
75       * {@inheritDoc}
76       */
77      @Override
78      public void execute(ActionExecutionContext exctx) throws ModelException, SCXMLExpressionException {
79          Context ctx = isGlobalScript() ? exctx.getGlobalContext() : exctx.getContext(getParentEnterableState());
80          ctx.setLocal(getNamespacesKey(), getNamespaces());
81          Evaluator eval = exctx.getEvaluator();
82          eval.evalScript(ctx, getScript());
83          ctx.setLocal(getNamespacesKey(), null);
84      }
85  
86  }
87