BatikWrapFactory


1   /*
2   
3      Copyright 2003  The Apache Software Foundation 
4   
5      Licensed under the Apache License, Version 2.0 (the "License");
6      you may not use this file except in compliance with the License.
7      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   */
18  package org.apache.batik.script.rhino;
19  
20  import org.mozilla.javascript.Context;
21  import org.mozilla.javascript.Scriptable;
22  import org.mozilla.javascript.WrapFactory;
23  import org.w3c.dom.events.EventTarget  ;
24  
25  /**
26   * This is an utility class allowing to pass an ECMAScript function
27   * as a parameter of the <code>addEventListener</code> method of
28   * <code>EventTarget</code> objects as DOM Level 2 recommendation
29   * required.
30   * @author <a HREF="mailto:cjolif@ilog.fr">Christophe Jolif</a>
31   * @version $Id: BatikWrapFactory.java,v 1.4 2004/08/18 07:14:57 vhardy Exp $
32   */
33  class BatikWrapFactory extends WrapFactory {
34      private RhinoInterpreter interpreter;
35  
36      public BatikWrapFactory(RhinoInterpreter interp) {
37          interpreter = interp;
38          setJavaPrimitiveWrap(false);
39      }
40  
41      public Object   wrap(Context ctx, Scriptable scope,
42                         Object   obj, Class   staticType) {
43          if (obj instanceof EventTarget  ) {
44              return interpreter.buildEventTargetWrapper((EventTarget  )obj);
45          }
46          return super.wrap(ctx, scope, obj, staticType);
47      }
48  }
49
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