diff -r 3392f250c784 -r ecbd252fd3a7 emul/mini/src/main/java/java/lang/reflect/Modifier.java --- a/emul/mini/src/main/java/java/lang/reflect/Modifier.java Fri Mar 22 16:59:47 2013 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,437 +0,0 @@ -/* - * Copyright (c) 1996, 2008, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -package java.lang.reflect; - -/** - * The Modifier class provides {@code static} methods and - * constants to decode class and member access modifiers. The sets of - * modifiers are represented as integers with distinct bit positions - * representing different modifiers. The values for the constants - * representing the modifiers are taken from the tables in sections 4.1, 4.4, 4.5, and 4.7 of - * The Java™ Virtual Machine Specification. - * - * @see Class#getModifiers() - * @see Member#getModifiers() - * - * @author Nakul Saraiya - * @author Kenneth Russell - */ -public -class Modifier { - - /** - * Return {@code true} if the integer argument includes the - * {@code public} modifier, {@code false} otherwise. - * - * @param mod a set of modifiers - * @return {@code true} if {@code mod} includes the - * {@code public} modifier; {@code false} otherwise. - */ - public static boolean isPublic(int mod) { - return (mod & PUBLIC) != 0; - } - - /** - * Return {@code true} if the integer argument includes the - * {@code private} modifier, {@code false} otherwise. - * - * @param mod a set of modifiers - * @return {@code true} if {@code mod} includes the - * {@code private} modifier; {@code false} otherwise. - */ - public static boolean isPrivate(int mod) { - return (mod & PRIVATE) != 0; - } - - /** - * Return {@code true} if the integer argument includes the - * {@code protected} modifier, {@code false} otherwise. - * - * @param mod a set of modifiers - * @return {@code true} if {@code mod} includes the - * {@code protected} modifier; {@code false} otherwise. - */ - public static boolean isProtected(int mod) { - return (mod & PROTECTED) != 0; - } - - /** - * Return {@code true} if the integer argument includes the - * {@code static} modifier, {@code false} otherwise. - * - * @param mod a set of modifiers - * @return {@code true} if {@code mod} includes the - * {@code static} modifier; {@code false} otherwise. - */ - public static boolean isStatic(int mod) { - return (mod & STATIC) != 0; - } - - /** - * Return {@code true} if the integer argument includes the - * {@code final} modifier, {@code false} otherwise. - * - * @param mod a set of modifiers - * @return {@code true} if {@code mod} includes the - * {@code final} modifier; {@code false} otherwise. - */ - public static boolean isFinal(int mod) { - return (mod & FINAL) != 0; - } - - /** - * Return {@code true} if the integer argument includes the - * {@code synchronized} modifier, {@code false} otherwise. - * - * @param mod a set of modifiers - * @return {@code true} if {@code mod} includes the - * {@code synchronized} modifier; {@code false} otherwise. - */ - public static boolean isSynchronized(int mod) { - return (mod & SYNCHRONIZED) != 0; - } - - /** - * Return {@code true} if the integer argument includes the - * {@code volatile} modifier, {@code false} otherwise. - * - * @param mod a set of modifiers - * @return {@code true} if {@code mod} includes the - * {@code volatile} modifier; {@code false} otherwise. - */ - public static boolean isVolatile(int mod) { - return (mod & VOLATILE) != 0; - } - - /** - * Return {@code true} if the integer argument includes the - * {@code transient} modifier, {@code false} otherwise. - * - * @param mod a set of modifiers - * @return {@code true} if {@code mod} includes the - * {@code transient} modifier; {@code false} otherwise. - */ - public static boolean isTransient(int mod) { - return (mod & TRANSIENT) != 0; - } - - /** - * Return {@code true} if the integer argument includes the - * {@code native} modifier, {@code false} otherwise. - * - * @param mod a set of modifiers - * @return {@code true} if {@code mod} includes the - * {@code native} modifier; {@code false} otherwise. - */ - public static boolean isNative(int mod) { - return (mod & NATIVE) != 0; - } - - /** - * Return {@code true} if the integer argument includes the - * {@code interface} modifier, {@code false} otherwise. - * - * @param mod a set of modifiers - * @return {@code true} if {@code mod} includes the - * {@code interface} modifier; {@code false} otherwise. - */ - public static boolean isInterface(int mod) { - return (mod & INTERFACE) != 0; - } - - /** - * Return {@code true} if the integer argument includes the - * {@code abstract} modifier, {@code false} otherwise. - * - * @param mod a set of modifiers - * @return {@code true} if {@code mod} includes the - * {@code abstract} modifier; {@code false} otherwise. - */ - public static boolean isAbstract(int mod) { - return (mod & ABSTRACT) != 0; - } - - /** - * Return {@code true} if the integer argument includes the - * {@code strictfp} modifier, {@code false} otherwise. - * - * @param mod a set of modifiers - * @return {@code true} if {@code mod} includes the - * {@code strictfp} modifier; {@code false} otherwise. - */ - public static boolean isStrict(int mod) { - return (mod & STRICT) != 0; - } - - /** - * Return a string describing the access modifier flags in - * the specified modifier. For example: - *
-     *    public final synchronized strictfp
-     * 
- * The modifier names are returned in an order consistent with the - * suggested modifier orderings given in sections 8.1.1, 8.3.1, 8.4.3, 8.8.3, and 9.1.1 of - * The Java™ Language Specification. - * The full modifier ordering used by this method is: - *
{@code - * public protected private abstract static final transient - * volatile synchronized native strictfp - * interface }
- * The {@code interface} modifier discussed in this class is - * not a true modifier in the Java language and it appears after - * all other modifiers listed by this method. This method may - * return a string of modifiers that are not valid modifiers of a - * Java entity; in other words, no checking is done on the - * possible validity of the combination of modifiers represented - * by the input. - * - * Note that to perform such checking for a known kind of entity, - * such as a constructor or method, first AND the argument of - * {@code toString} with the appropriate mask from a method like - * {@link #constructorModifiers} or {@link #methodModifiers}. - * - * @param mod a set of modifiers - * @return a string representation of the set of modifiers - * represented by {@code mod} - */ - public static String toString(int mod) { - StringBuffer sb = new StringBuffer(); - int len; - - if ((mod & PUBLIC) != 0) sb.append("public "); - if ((mod & PROTECTED) != 0) sb.append("protected "); - if ((mod & PRIVATE) != 0) sb.append("private "); - - /* Canonical order */ - if ((mod & ABSTRACT) != 0) sb.append("abstract "); - if ((mod & STATIC) != 0) sb.append("static "); - if ((mod & FINAL) != 0) sb.append("final "); - if ((mod & TRANSIENT) != 0) sb.append("transient "); - if ((mod & VOLATILE) != 0) sb.append("volatile "); - if ((mod & SYNCHRONIZED) != 0) sb.append("synchronized "); - if ((mod & NATIVE) != 0) sb.append("native "); - if ((mod & STRICT) != 0) sb.append("strictfp "); - if ((mod & INTERFACE) != 0) sb.append("interface "); - - if ((len = sb.length()) > 0) /* trim trailing space */ - return sb.toString().substring(0, len-1); - return ""; - } - - /* - * Access modifier flag constants from tables 4.1, 4.4, 4.5, and 4.7 of - * The Java™ Virtual Machine Specification - */ - - /** - * The {@code int} value representing the {@code public} - * modifier. - */ - public static final int PUBLIC = 0x00000001; - - /** - * The {@code int} value representing the {@code private} - * modifier. - */ - public static final int PRIVATE = 0x00000002; - - /** - * The {@code int} value representing the {@code protected} - * modifier. - */ - public static final int PROTECTED = 0x00000004; - - /** - * The {@code int} value representing the {@code static} - * modifier. - */ - public static final int STATIC = 0x00000008; - - /** - * The {@code int} value representing the {@code final} - * modifier. - */ - public static final int FINAL = 0x00000010; - - /** - * The {@code int} value representing the {@code synchronized} - * modifier. - */ - public static final int SYNCHRONIZED = 0x00000020; - - /** - * The {@code int} value representing the {@code volatile} - * modifier. - */ - public static final int VOLATILE = 0x00000040; - - /** - * The {@code int} value representing the {@code transient} - * modifier. - */ - public static final int TRANSIENT = 0x00000080; - - /** - * The {@code int} value representing the {@code native} - * modifier. - */ - public static final int NATIVE = 0x00000100; - - /** - * The {@code int} value representing the {@code interface} - * modifier. - */ - public static final int INTERFACE = 0x00000200; - - /** - * The {@code int} value representing the {@code abstract} - * modifier. - */ - public static final int ABSTRACT = 0x00000400; - - /** - * The {@code int} value representing the {@code strictfp} - * modifier. - */ - public static final int STRICT = 0x00000800; - - // Bits not (yet) exposed in the public API either because they - // have different meanings for fields and methods and there is no - // way to distinguish between the two in this class, or because - // they are not Java programming language keywords - static final int BRIDGE = 0x00000040; - static final int VARARGS = 0x00000080; - static final int SYNTHETIC = 0x00001000; - static final int ANNOTATION= 0x00002000; - static final int ENUM = 0x00004000; - static boolean isSynthetic(int mod) { - return (mod & SYNTHETIC) != 0; - } - - /** - * See JLSv3 section 8.1.1. - */ - private static final int CLASS_MODIFIERS = - Modifier.PUBLIC | Modifier.PROTECTED | Modifier.PRIVATE | - Modifier.ABSTRACT | Modifier.STATIC | Modifier.FINAL | - Modifier.STRICT; - - /** - * See JLSv3 section 9.1.1. - */ - private static final int INTERFACE_MODIFIERS = - Modifier.PUBLIC | Modifier.PROTECTED | Modifier.PRIVATE | - Modifier.ABSTRACT | Modifier.STATIC | Modifier.STRICT; - - - /** - * See JLSv3 section 8.8.3. - */ - private static final int CONSTRUCTOR_MODIFIERS = - Modifier.PUBLIC | Modifier.PROTECTED | Modifier.PRIVATE; - - /** - * See JLSv3 section 8.4.3. - */ - private static final int METHOD_MODIFIERS = - Modifier.PUBLIC | Modifier.PROTECTED | Modifier.PRIVATE | - Modifier.ABSTRACT | Modifier.STATIC | Modifier.FINAL | - Modifier.SYNCHRONIZED | Modifier.NATIVE | Modifier.STRICT; - - /** - * See JLSv3 section 8.3.1. - */ - private static final int FIELD_MODIFIERS = - Modifier.PUBLIC | Modifier.PROTECTED | Modifier.PRIVATE | - Modifier.STATIC | Modifier.FINAL | Modifier.TRANSIENT | - Modifier.VOLATILE; - - /** - * Return an {@code int} value OR-ing together the source language - * modifiers that can be applied to a class. - * @return an {@code int} value OR-ing together the source language - * modifiers that can be applied to a class. - * - * @jls 8.1.1 Class Modifiers - * @since 1.7 - */ - public static int classModifiers() { - return CLASS_MODIFIERS; - } - - /** - * Return an {@code int} value OR-ing together the source language - * modifiers that can be applied to an interface. - * @return an {@code int} value OR-ing together the source language - * modifiers that can be applied to an inteface. - * - * @jls 9.1.1 Interface Modifiers - * @since 1.7 - */ - public static int interfaceModifiers() { - return INTERFACE_MODIFIERS; - } - - /** - * Return an {@code int} value OR-ing together the source language - * modifiers that can be applied to a constructor. - * @return an {@code int} value OR-ing together the source language - * modifiers that can be applied to a constructor. - * - * @jls 8.8.3 Constructor Modifiers - * @since 1.7 - */ - public static int constructorModifiers() { - return CONSTRUCTOR_MODIFIERS; - } - - /** - * Return an {@code int} value OR-ing together the source language - * modifiers that can be applied to a method. - * @return an {@code int} value OR-ing together the source language - * modifiers that can be applied to a method. - * - * @jls 8.4.3 Method Modifiers - * @since 1.7 - */ - public static int methodModifiers() { - return METHOD_MODIFIERS; - } - - - /** - * Return an {@code int} value OR-ing together the source language - * modifiers that can be applied to a field. - * @return an {@code int} value OR-ing together the source language - * modifiers that can be applied to a field. - * - * @jls 8.3.1 Field Modifiers - * @since 1.7 - */ - public static int fieldModifiers() { - return FIELD_MODIFIERS; - } -}