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Java > Open Source Codes > com > sun > jdo > api > persistence > enhancer > util > Assertion


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24
25 package com.sun.jdo.api.persistence.enhancer.util;
26
27 /**
28  * Support for signalling internal implementation errors.
29  */
30 //@olsen: added class
31 public class Assertion {
32     static protected final void affirm(boolean condition) {
33         if (!condition)
34             throw new InternalError JavaDoc("assertion failed.");//NOI18N
35 }
36
37     static protected final void affirm(boolean condition, String JavaDoc msg) {
38         if (!condition)
39             throw new InternalError JavaDoc("assertion failed: " + msg);//NOI18N
40 }
41
42     static protected final void affirm(Object JavaDoc object) {
43         if (object == null)
44             throw new InternalError JavaDoc("assertion failed.");//NOI18N
45 }
46
47     static protected final void affirm(Object JavaDoc object, String JavaDoc msg) {
48         if (object == null)
49             throw new InternalError JavaDoc("assertion failed: " + msg);//NOI18N
50 }
51 }
52
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