KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > jruby > internal > runtime > methods > ProcMethod


1 /***** BEGIN LICENSE BLOCK *****
2  * Version: CPL 1.0/GPL 2.0/LGPL 2.1
3  *
4  * The contents of this file are subject to the Common Public
5  * License Version 1.0 (the "License"); you may not use this file
6  * except in compliance with the License. You may obtain a copy of
7  * the License at http://www.eclipse.org/legal/cpl-v10.html
8  *
9  * 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) 2002 Anders Bengtsson <ndrsbngtssn@yahoo.se>
15  * Copyright (C) 2002-2004 Jan Arne Petersen <jpetersen@uni-bonn.de>
16  * Copyright (C) 2004-2005 Thomas E Enebo <enebo@acm.org>
17  * Copyright (C) 2007 Miguel Covarrubias <mlcovarrubias@gmail.com>
18  *
19  * Alternatively, the contents of this file may be used under the terms of
20  * either of the GNU General Public License Version 2 or later (the "GPL"),
21  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
22  * in which case the provisions of the GPL or the LGPL are applicable instead
23  * of those above. If you wish to allow use of your version of this file only
24  * under the terms of either the GPL or the LGPL, and not to allow others to
25  * use your version of this file under the terms of the CPL, indicate your
26  * decision by deleting the provisions above and replace them with the notice
27  * and other provisions required by the GPL or the LGPL. If you do not delete
28  * the provisions above, a recipient may use your version of this file under
29  * the terms of any one of the CPL, the GPL or the LGPL.
30  ***** END LICENSE BLOCK *****/
31 package org.jruby.internal.runtime.methods;
32
33 import org.jruby.Ruby;
34 import org.jruby.RubyModule;
35 import org.jruby.RubyProc;
36 import org.jruby.runtime.Arity;
37 import org.jruby.runtime.Block;
38 import org.jruby.runtime.ThreadContext;
39 import org.jruby.runtime.Visibility;
40 import org.jruby.runtime.builtin.IRubyObject;
41
42 /**
43  *
44  * @author jpetersen
45  */
46 public class ProcMethod extends DynamicMethod {
47     private RubyProc proc;
48
49     /**
50      * Constructor for ProcMethod.
51      * @param visibility
52      */
53     public ProcMethod(RubyModule implementationClass, RubyProc proc, Visibility visibility) {
54         super(implementationClass, visibility);
55         this.proc = proc;
56     }
57     
58     // ENEBO: I doubt this is right...it should be proc.block?
59 public void preMethod(ThreadContext context, RubyModule klazz, IRubyObject self, String JavaDoc name, IRubyObject[] args, boolean noSuper, Block block) {
60         context.preMethodCall(implementationClass, klazz, self, name, args, block, noSuper);
61     }
62     
63     public void postMethod(ThreadContext context) {
64         context.postMethodCall();
65     }
66
67     /**
68      * @see org.jruby.runtime.ICallable#call(Ruby, IRubyObject, String, IRubyObject[], boolean)
69      */
70     public IRubyObject internalCall(ThreadContext context, RubyModule klazz, IRubyObject self, String JavaDoc name, IRubyObject[] args, boolean noSuper, Block block) {
71         return proc.call(args, self, Block.NULL_BLOCK);
72     }
73     
74     public DynamicMethod dup() {
75         return new ProcMethod(getImplementationClass(), proc, getVisibility());
76     }
77     
78     public Arity getArity() {
79         return proc.getBlock().arity();
80     }
81 }
82
Popular Tags