Debug.java

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/**
 * Author: Sven Gothel <sgothel@jausoft.com>
 * Copyright (c) 2020 Gothel Software e.K.
 * Copyright (c) 2012 Gothel Software e.K.
 * Copyright (c) 2012 JogAmp Community.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
package org.jau.sys;
 
import java.security.PrivilegedAction;
 
import org.jau.sec.SecurityUtil;
 
/** Helper routines for logging and debugging. */
 
public class Debug extends PropertyAccess {
  // Some common properties
  private static final boolean verbose;
  private static final boolean debugAll;
 
  static {
    SecurityUtil.doPrivileged(new PrivilegedAction<Object>() {
        @Override
        public Object run() {
            PropertyAccess.addTrustedPrefix("jau.");
            return null;
    } } );
 
    verbose = isPropertyDefined("jau.verbose", true);
    debugAll = isPropertyDefined("jau.debug", true);
  }
 
  /** Ensures static init block has been issues, i.e. if calling through to {@link PropertyAccess#isPropertyDefined(String, boolean)}. */
  public static final void initSingleton() {}
 
  public static final boolean verbose() {
    return verbose;
  }
 
  public static final boolean debugAll() {
    return debugAll;
  }
 
  public static final boolean debug(final String subcomponent) {
    return debugAll() || isPropertyDefined("jau.debug." + subcomponent, true);
  }
}