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Java > Open Source Codes > org > jruby > RubyNameError


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) 2006 Anders Bengtsson <ndrsbngtssn@yahoo.se>
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
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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 *****/
28
29 package org.jruby;
30
31 import org.jruby.runtime.Block;
32 import org.jruby.runtime.ObjectAllocator;
33 import org.jruby.runtime.builtin.IRubyObject;
34 import org.jruby.runtime.CallbackFactory;
35
36 /**
37  * @author Anders Bengtsson
38  */
39 public class RubyNameError extends RubyException {
40     private IRubyObject name;
41     
42     private static ObjectAllocator NAMEERROR_ALLOCATOR = new ObjectAllocator() {
43         public IRubyObject allocate(Ruby runtime, RubyClass klass) {
44             return new RubyNameError(runtime, klass);
45         }
46     };
47
48     public static RubyClass createNameErrorClass(Ruby runtime, RubyClass standardErrorClass) {
49         RubyClass nameErrorClass = runtime.defineClass("NameError", standardErrorClass, NAMEERROR_ALLOCATOR);
50         CallbackFactory callbackFactory = runtime.callbackFactory(RubyNameError.class);
51         
52         nameErrorClass.getMetaClass().defineFastMethod("new",
53                 callbackFactory.getFastOptSingletonMethod("newRubyNameError"));
54         nameErrorClass.getMetaClass().defineFastMethod("exception",
55                 callbackFactory.getFastOptSingletonMethod("newRubyNameError"));
56
57         nameErrorClass.defineMethod("initialize", callbackFactory.getOptMethod("initialize"));
58         nameErrorClass.defineFastMethod("name", callbackFactory.getFastMethod("name"));
59
60         return nameErrorClass;
61     }
62
63     protected RubyNameError(Ruby runtime, RubyClass exceptionClass) {
64         this(runtime, exceptionClass, exceptionClass.getName().toString());
65     }
66
67     public RubyNameError(Ruby runtime, RubyClass exceptionClass, String JavaDoc message) {
68         this(runtime, exceptionClass, message, null);
69     }
70
71     public RubyNameError(Ruby runtime, RubyClass exceptionClass, String JavaDoc message, String JavaDoc name) {
72         super(runtime, exceptionClass, message);
73         this.name = name == null ? runtime.getNil() : runtime.newString(name);
74     }
75     
76     public static RubyNameError newRubyNameError(IRubyObject recv, IRubyObject[] args) {
77         RubyClass klass = (RubyClass)recv;
78         
79         RubyNameError newError = (RubyNameError) klass.allocate();
80         
81         newError.callInit(args, Block.NULL_BLOCK);
82         
83         return newError;
84     }
85
86     public IRubyObject initialize(IRubyObject[] args, Block block) {
87         super.initialize(args, block);
88         if (args.length > 1) {
89             name = args[1];
90         }
91         return this;
92     }
93
94     public IRubyObject name() {
95         return name;
96     }
97 }
98
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