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/* * Copyright (c) 2004, 2007, 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.tools.jconsole; import java.text.MessageFormat;import java.util.MissingResourceException;import java.util.ResourceBundle; import sun.tools.jconsole.resources.JConsoleResources; /** * Provides resource support for jconsole. */public final class Resources {     private static final Object lock = new Object();    private static JConsoleResources resources = null;    static {        try {            resources =                (JConsoleResources)ResourceBundle.getBundle("sun.tools.jconsole.resources.JConsoleResources");        } catch (MissingResourceException e) {            // gracefully handle this later        }    }     private Resources() { throw new AssertionError(); }     /**     * Returns the text of the jconsole resource for the specified key     * formatted with the specified arguments.     *     */    public static String getText(String key, Object... args) {        String format = getString(key);        if (format == null) {            format = "missing resource key: key = \"" + key + "\", " +                "arguments = \"{0}\", \"{1}\", \"{2}\"";        }        return formatMessage(format, args);    }     static String formatMessage(String format, Object... args) {        String ss = null;        synchronized (lock) {            /*             * External synchronization required for safe use of             * java.text.MessageFormat:             */            ss = MessageFormat.format(format, args);        }        return ss;    }     /**     * Returns the mnemonic keycode int of the jconsole resource for the specified key.     *     */    public static int getMnemonicInt(String key) {        int mnemonic = 0;        if (resources != null) {            Object obj = resources.getObject(key+".mnemonic");            if (obj instanceof Character) {                mnemonic = (int)(Character)obj;                if (mnemonic >= 'a' && mnemonic <='z') {                    mnemonic -= ('a' - 'A');                }            } else if (obj instanceof Integer) {                mnemonic = (Integer)obj;            }        }        return mnemonic;    }     /**     * Returns the jconsole resource string for the specified key.     *     */    private static String getString(String key) {        if (resources != null) {            try {                return resources.getString(key);            } catch (MissingResourceException e) {                return null;            }        }        return "missing resource bundle: key = \"" + key + "\", " +            "arguments = \"{0}\", \"{1}\", \"{2}\"";    }}