8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.lang.reflect;
27
28 import java.security.AccessController;
29 import java.util.StringJoiner;
30 import jdk.internal.reflect.LangReflectAccess;
31 import jdk.internal.reflect.ReflectionFactory;
32
33 /**
34 * The Modifier class provides {@code static} methods and
35 * constants to decode class and member access modifiers. The sets of
36 * modifiers are represented as integers with distinct bit positions
37 * representing different modifiers. The values for the constants
38 * representing the modifiers are taken from the tables in sections 4.1, 4.4, 4.5, and 4.7 of
39 * <cite>The Java™ Virtual Machine Specification</cite>.
40 *
41 * @see Class#getModifiers()
42 * @see Member#getModifiers()
43 *
44 * @author Nakul Saraiya
45 * @author Kenneth Russell
46 * @since 1.1
47 */
48 public class Modifier {
49
50 /*
51 * Bootstrapping protocol between java.lang and java.lang.reflect
52 * packages
53 */
54 static {
55 ReflectionFactory factory = AccessController.doPrivileged(
56 new ReflectionFactory.GetReflectionFactoryAction());
57 factory.setLangReflectAccess(new java.lang.reflect.ReflectAccess());
58 }
59
60 /**
61 * Return {@code true} if the integer argument includes the
62 * {@code public} modifier, {@code false} otherwise.
63 *
64 * @param mod a set of modifiers
65 * @return {@code true} if {@code mod} includes the
66 * {@code public} modifier; {@code false} otherwise.
67 */
68 public static boolean isPublic(int mod) {
69 return (mod & PUBLIC) != 0;
70 }
71
72 /**
73 * Return {@code true} if the integer argument includes the
74 * {@code private} modifier, {@code false} otherwise.
75 *
76 * @param mod a set of modifiers
77 * @return {@code true} if {@code mod} includes the
78 * {@code private} modifier; {@code false} otherwise.
79 */
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8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.lang.reflect;
27
28 import java.util.StringJoiner;
29
30 /**
31 * The Modifier class provides {@code static} methods and
32 * constants to decode class and member access modifiers. The sets of
33 * modifiers are represented as integers with distinct bit positions
34 * representing different modifiers. The values for the constants
35 * representing the modifiers are taken from the tables in sections 4.1, 4.4, 4.5, and 4.7 of
36 * <cite>The Java™ Virtual Machine Specification</cite>.
37 *
38 * @see Class#getModifiers()
39 * @see Member#getModifiers()
40 *
41 * @author Nakul Saraiya
42 * @author Kenneth Russell
43 * @since 1.1
44 */
45 public class Modifier {
46
47 /**
48 * Return {@code true} if the integer argument includes the
49 * {@code public} modifier, {@code false} otherwise.
50 *
51 * @param mod a set of modifiers
52 * @return {@code true} if {@code mod} includes the
53 * {@code public} modifier; {@code false} otherwise.
54 */
55 public static boolean isPublic(int mod) {
56 return (mod & PUBLIC) != 0;
57 }
58
59 /**
60 * Return {@code true} if the integer argument includes the
61 * {@code private} modifier, {@code false} otherwise.
62 *
63 * @param mod a set of modifiers
64 * @return {@code true} if {@code mod} includes the
65 * {@code private} modifier; {@code false} otherwise.
66 */
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