1 /*
2 * ModeShape (http://www.modeshape.org)
3 * See the COPYRIGHT.txt file distributed with this work for information
4 * regarding copyright ownership. Some portions may be licensed
5 * to Red Hat, Inc. under one or more contributor license agreements.
6 * See the AUTHORS.txt file in the distribution for a full listing of
7 * individual contributors.
8 *
9 * ModeShape is free software. Unless otherwise indicated, all code in ModeShape
10 * is licensed to you under the terms of the GNU Lesser General Public License as
11 * published by the Free Software Foundation; either version 2.1 of
12 * the License, or (at your option) any later version.
13 *
14 * ModeShape is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this software; if not, write to the Free
21 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
22 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
23 */
24 package org.modeshape.jdbc.util;
25
26 import org.modeshape.jdbc.JdbcI18n;
27
28 /**
29 * Utility class that checks arguments to methods. This class is to be used only in API methods, where failure to supply correct
30 * arguments should result in a useful error message. In all cases, use the <code>assert</code> statement.
31 */
32 public final class CheckArg {
33
34 // ########################## int METHODS ###################################
35
36 /**
37 * Check that the specified argument is non-null
38 *
39 * @param argument The argument
40 * @param name The name of the argument
41 * @throws IllegalArgumentException If argument is null
42 */
43 public static void isNotNull( Object argument,
44 String name ) {
45 if (argument == null) {
46 throw new IllegalArgumentException(JdbcI18n.argumentMayNotBeNull.text(name));
47 }
48 }
49
50 private CheckArg() {
51 // prevent construction
52 }
53 }