01: /***** BEGIN LICENSE BLOCK *****
02: * Version: CPL 1.0/GPL 2.0/LGPL 2.1
03: *
04: * The contents of this file are subject to the Common Public
05: * License Version 1.0 (the "License"); you may not use this file
06: * except in compliance with the License. You may obtain a copy of
07: * the License at http://www.eclipse.org/legal/cpl-v10.html
08: *
09: * Software distributed under the License is distributed on an "AS
10: * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
11: * implied. See the License for the specific language governing
12: * rights and limitations under the License.
13: *
14: * Copyright (C) 2006 Ola Bini <ola@ologix.com>
15: *
16: * Alternatively, the contents of this file may be used under the terms of
17: * either of the GNU General Public License Version 2 or later (the "GPL"),
18: * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
19: * in which case the provisions of the GPL or the LGPL are applicable instead
20: * of those above. If you wish to allow use of your version of this file only
21: * under the terms of either the GPL or the LGPL, and not to allow others to
22: * use your version of this file under the terms of the CPL, indicate your
23: * decision by deleting the provisions above and replace them with the notice
24: * and other provisions required by the GPL or the LGPL. If you do not delete
25: * the provisions above, a recipient may use your version of this file under
26: * the terms of any one of the CPL, the GPL or the LGPL.
27: ***** END LICENSE BLOCK *****/package org.jruby.runtime.callback;
28:
29: import org.jruby.Ruby;
30: import org.jruby.runtime.Arity;
31: import org.jruby.runtime.Block;
32: import org.jruby.runtime.builtin.IRubyObject;
33: import org.jruby.exceptions.RaiseException;
34: import org.jruby.exceptions.JumpException;
35: import org.jruby.exceptions.ThreadKill;
36: import org.jruby.exceptions.MainExitException;
37:
38: /**
39: * @author <a href="mailto:ola.bini@ki.se">Ola Bini</a>
40: */
41: public abstract class InvocationCallback implements Callback {
42: private Arity arity;
43:
44: public IRubyObject execute(IRubyObject recv, IRubyObject[] oargs,
45: Block block) {
46: Ruby runtime = recv.getRuntime();
47: arity.checkArity(runtime, oargs);
48: try {
49: return call(recv, oargs, block);
50: } catch (RaiseException e) {
51: throw e;
52: } catch (JumpException e) {
53: throw e;
54: } catch (ThreadKill e) {
55: throw e;
56: } catch (MainExitException e) {
57: throw e;
58: } catch (Exception e) {
59: runtime.getJavaSupport().handleNativeException(e);
60: return runtime.getNil();
61: }
62: }
63:
64: public abstract IRubyObject call(Object receiver, Object[] args,
65: Block block);
66:
67: public void setArity(Arity arity) {
68: this .arity = arity;
69: }
70:
71: public Arity getArity() {
72: return arity;
73: }
74: }// InvocationCallback
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