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Java > Open Source Codes > org > apache > bsf > util > BSFFunctions


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  * Copyright (c) 2002 The Apache Software Foundation. All rights
5  * reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  *
14  * 2. Redistributions in binary form must reproduce the above copyright
15  * notice, this list of conditions and the following disclaimer in
16  * the documentation and/or other materials provided with the
17  * distribution.
18  *
19  * 3. The end-user documentation included with the redistribution, if
20  * any, must include the following acknowlegement:
21  * "This product includes software developed by the
22  * Apache Software Foundation (http://www.apache.org/)."
23  * Alternately, this acknowlegement may appear in the software itself,
24  * if and wherever such third-party acknowlegements normally appear.
25  *
26  * 4. The names "Apache BSF", "Apache", and "Apache Software Foundation"
27  * must not be used to endorse or promote products derived from
28  * this software without prior written permission. For written
29  * permission, please contact apache@apache.org.
30  *
31  * 5. Products derived from this software may not be called "Apache"
32  * nor may "Apache" appear in their names without prior written
33  * permission of the Apache Group.
34  *
35  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46  * SUCH DAMAGE.
47  * ====================================================================
48  *
49  * This software consists of voluntary contributions made by many individuals
50  * on behalf of the Apache Software Foundation and was originally created by
51  * Sanjiva Weerawarana and others at International Business Machines
52  * Corporation. For more information on the Apache Software Foundation,
53  * please see <http://www.apache.org/>.
54  */

55
56 package org.apache.bsf.util;
57
58 import org.apache.bsf.*;
59 import org.apache.bsf.util.EngineUtils;
60
61 /**
62  * This is a utility that engine implementors may use as the Java
63  * object they expose in the scripting language as "bsf". This has
64  * essentially a subset of the methods in BSFManager plus some
65  * stuff from the utils. Currently used by Javascript (Rhino) & BML.
66  *
67  * @author Sanjiva Weerawarana
68  */

69 public class BSFFunctions {
70   BSFManager mgr;
71   BSFEngine engine;
72
73   public BSFFunctions (BSFManager mgr, BSFEngine engine) {
74     this.mgr = mgr;
75     this.engine = engine;
76   }
77   public void addEventListener (Object JavaDoc src, String JavaDoc eventSetName,
78                 String JavaDoc filter, Object JavaDoc script)
79        throws BSFException {
80     EngineUtils.addEventListener (src, eventSetName, filter, engine,
81                   mgr, "<event-binding>", 0, 0, script);
82   }
83   public Object JavaDoc lookupBean (String JavaDoc name) {
84     return mgr.lookupBean (name);
85   }
86   public void registerBean (String JavaDoc name, Object JavaDoc bean) {
87     mgr.registerBean (name, bean);
88   }
89   public void unregisterBean (String JavaDoc name) {
90     mgr.unregisterBean (name);
91   }
92 }
93
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