Mercurial > hg > truffle
comparison agent/src/share/classes/sun/jvm/hotspot/utilities/soql/InvocableCallable.java @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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1 /* | |
2 * Copyright 2007 Sun Microsystems, Inc. All Rights Reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 */ | |
23 | |
24 package sun.jvm.hotspot.utilities.soql; | |
25 | |
26 import javax.script.Invocable; | |
27 import javax.script.ScriptException; | |
28 | |
29 /** | |
30 * This Callable implementation invokes a script | |
31 * function of given name when called. If the target | |
32 * object is non-null, script "method" is invoked, else | |
33 * a "global" script function is invoked. | |
34 */ | |
35 public class InvocableCallable implements Callable { | |
36 private Object target; | |
37 private String name; | |
38 private Invocable invocable; | |
39 | |
40 public InvocableCallable(Object target, String name, | |
41 Invocable invocable) { | |
42 this.target = target; | |
43 this.name = name; | |
44 this.invocable = invocable; | |
45 } | |
46 | |
47 public Object call(Object[] args) throws ScriptException { | |
48 try { | |
49 if (target == null) { | |
50 return invocable.invokeFunction(name, args); | |
51 } else { | |
52 return invocable.invokeMethod(target, name, args); | |
53 } | |
54 } catch (NoSuchMethodException nme) { | |
55 throw new ScriptException(nme); | |
56 } | |
57 } | |
58 } |