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 */ | 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 */ |