Java example source code file (Util.java)

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Java - Java tags/keywords

log, logger, logging, securityexception, stacktraceelement, string, util

The Util.java Java example source code

/*
 * Copyright (c) 1997, 2013, 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.xml.internal.bind;

import java.util.logging.Logger;

/**
 * @author Kohsuke Kawaguchi
 */
public final class Util {
    private Util() {}   // no instanciation

    /**
     * Gets the logger for the caller's class.
     *
     * @since 2.0
     */
    public static Logger getClassLogger() {
        try {
            StackTraceElement[] trace = new Exception().getStackTrace();
            return Logger.getLogger(trace[1].getClassName());
        } catch( SecurityException e) {
            return Logger.getLogger("com.sun.xml.internal.bind"); // use the default
        }
    }

    /**
     * Reads the system property value and takes care of {@link SecurityException}.
     */
    public static String getSystemProperty(String name) {
        try {
            return System.getProperty(name);
        } catch( SecurityException e ) {
            return null;
        }
    }
}