diff -r 1dbddb2a1971 -r 07146758775b jdk/src/java.management/share/classes/sun/management/Flag.java --- a/jdk/src/java.management/share/classes/sun/management/Flag.java Thu May 07 20:50:57 2015 -0700 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,129 +0,0 @@ -/* - * Copyright (c) 2003, 2014, 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 sun.management; - -import java.util.*; -import com.sun.management.VMOption; -import com.sun.management.VMOption.Origin; -import java.security.AccessController; - -/** - * Flag class is a helper class for constructing a VMOption. - * It has the static methods for getting the Flag objects, each - * corresponds to one VMOption. - * - */ -class Flag { - private String name; - private Object value; - private Origin origin; - private boolean writeable; - private boolean external; - - Flag(String name, Object value, boolean writeable, - boolean external, Origin origin) { - this.name = name; - this.value = value == null ? "" : value ; - this.origin = origin; - this.writeable = writeable; - this.external = external; - } - - Object getValue() { - return value; - } - - boolean isWriteable() { - return writeable; - } - - boolean isExternal() { - return external; - } - - VMOption getVMOption() { - return new VMOption(name, value.toString(), writeable, origin); - } - - static Flag getFlag(String name) { - String[] names = new String[1]; - names[0] = name; - - List flags = getFlags(names, 1); - if (flags.isEmpty()) { - return null; - } else { - // flags should have only one element - return flags.get(0); - } - } - - static List getAllFlags() { - int numFlags = getInternalFlagCount(); - - // Get all internal flags with names = null - return getFlags(null, numFlags); - } - - private static List getFlags(String[] names, int numFlags) { - Flag[] flags = new Flag[numFlags]; - int count = getFlags(names, flags, numFlags); - - List result = new ArrayList<>(); - for (Flag f : flags) { - if (f != null) { - result.add(f); - } - } - return result; - } - - private static native String[] getAllFlagNames(); - // getFlags sets each element in the given flags array - // with a Flag object only if the name is valid and the - // type is supported. The flags array may contain null elements. - private static native int getFlags(String[] names, Flag[] flags, int count); - private static native int getInternalFlagCount(); - - // These set* methods are synchronized on the class object - // to avoid multiple threads updating the same flag at the same time. - static synchronized native void setLongValue(String name, long value); - static synchronized native void setDoubleValue(String name, double value); - static synchronized native void setBooleanValue(String name, boolean value); - static synchronized native void setStringValue(String name, String value); - - static { - AccessController.doPrivileged( - new java.security.PrivilegedAction() { - public Void run() { - System.loadLibrary("management"); - return null; - } - }); - initialize(); - } - private static native void initialize(); -}