| /* |
| * Copyright (c) 1997, 2012, 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 com.sun.codemodel.internal; |
| |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| |
| /** |
| * Modifier groups. |
| */ |
| public class JMods implements JGenerable { |
| |
| // |
| // mask |
| // |
| private static int VAR = JMod.FINAL; |
| private static int FIELD = (JMod.PUBLIC | JMod.PRIVATE | JMod.PROTECTED |
| | JMod.STATIC | JMod.FINAL |
| | JMod.TRANSIENT | JMod.VOLATILE); |
| private static int METHOD = (JMod.PUBLIC | JMod.PRIVATE | JMod.PROTECTED | JMod.FINAL |
| | JMod.ABSTRACT | JMod.STATIC | JMod.NATIVE | JMod.SYNCHRONIZED); |
| private static int CLASS = (JMod.PUBLIC | JMod.PRIVATE | JMod.PROTECTED |
| | JMod.STATIC | JMod.FINAL | JMod.ABSTRACT); |
| private static int INTERFACE = JMod.PUBLIC; |
| /** bit-packed representation of modifiers. */ |
| private int mods; |
| |
| private JMods(int mods) { |
| this.mods = mods; |
| } |
| |
| /** |
| * Gets the bit-packed representaion of modifiers. |
| */ |
| public int getValue() { |
| return mods; |
| } |
| |
| private static void check(int mods, int legal, String what) { |
| if ((mods & ~legal) != 0) { |
| throw new IllegalArgumentException("Illegal modifiers for " |
| + what + ": " |
| + new JMods(mods).toString()); |
| } |
| /* ## check for illegal combinations too */ |
| } |
| |
| static JMods forVar(int mods) { |
| check(mods, VAR, "variable"); |
| return new JMods(mods); |
| } |
| |
| static JMods forField(int mods) { |
| check(mods, FIELD, "field"); |
| return new JMods(mods); |
| } |
| |
| static JMods forMethod(int mods) { |
| check(mods, METHOD, "method"); |
| return new JMods(mods); |
| } |
| |
| static JMods forClass(int mods) { |
| check(mods, CLASS, "class"); |
| return new JMods(mods); |
| } |
| |
| static JMods forInterface(int mods) { |
| check(mods, INTERFACE, "class"); |
| return new JMods(mods); |
| } |
| |
| public boolean isAbstract() { |
| return (mods & JMod.ABSTRACT) != 0; |
| } |
| |
| public boolean isNative() { |
| return (mods & JMod.NATIVE) != 0; |
| } |
| |
| public boolean isSynchronized() { |
| return (mods & JMod.SYNCHRONIZED) != 0; |
| } |
| |
| public void setSynchronized(boolean newValue) { |
| setFlag(JMod.SYNCHRONIZED, newValue); |
| } |
| |
| public void setPrivate() { |
| setFlag(JMod.PUBLIC, false); |
| setFlag(JMod.PROTECTED, false); |
| setFlag(JMod.PRIVATE, true); |
| } |
| |
| public void setProtected() { |
| setFlag(JMod.PUBLIC, false); |
| setFlag(JMod.PROTECTED, true); |
| setFlag(JMod.PRIVATE, false); |
| } |
| |
| public void setPublic() { |
| setFlag(JMod.PUBLIC, true); |
| setFlag(JMod.PROTECTED, false); |
| setFlag(JMod.PRIVATE, false); |
| } |
| |
| public void setFinal(boolean newValue) { |
| setFlag(JMod.FINAL, newValue); |
| } |
| |
| private void setFlag(int bit, boolean newValue) { |
| mods = (mods & ~bit) | (newValue ? bit : 0); |
| } |
| |
| public void generate(JFormatter f) { |
| if ((mods & JMod.PUBLIC) != 0) f.p("public"); |
| if ((mods & JMod.PROTECTED) != 0) f.p("protected"); |
| if ((mods & JMod.PRIVATE) != 0) f.p("private"); |
| if ((mods & JMod.FINAL) != 0) f.p("final"); |
| if ((mods & JMod.STATIC) != 0) f.p("static"); |
| if ((mods & JMod.ABSTRACT) != 0) f.p("abstract"); |
| if ((mods & JMod.NATIVE) != 0) f.p("native"); |
| if ((mods & JMod.SYNCHRONIZED) != 0) f.p("synchronized"); |
| if ((mods & JMod.TRANSIENT) != 0) f.p("transient"); |
| if ((mods & JMod.VOLATILE) != 0) f.p("volatile"); |
| } |
| |
| @Override |
| public String toString() { |
| StringWriter s = new StringWriter(); |
| JFormatter f = new JFormatter(new PrintWriter(s)); |
| this.generate(f); |
| return s.toString(); |
| } |
| } |