content: /* ========================================================================
   * JCommon : a free general purpose class library for the Java(tm) platform
   * ========================================================================
   *
   * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
   * 
   * Project Info:  http://www.jfree.org/jcommon/index.html
   *
   * This library is free software; you can redistribute it and/or modify it 
   * under the terms of the GNU Lesser General Public License as published by 
   * the Free Software Foundation; either version 2.1 of the License, or 
   * (at your option) any later version.
   *
   * This library 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 Lesser General Public 
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
   * USA.  
   *
   * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
   * in the United States and other countries.]
   *
   * -------------
   * ExtendedConfiguration.java
   * -------------
   * (C)opyright 2002-2005, by Thomas Morgner and Contributors.
   *
   * Original Author:  Thomas Morgner;
   * Contributor(s):   David Gilbert (for Object Refinery Limited);
   *
   * $Id: ExtendedConfiguration.java,v 1.3 2005/10/18 13:24:19 mungady Exp $
   *
   * Changes
   * -------
   * 20-May-2005 : Initial version.
   */
  package org.jfree.util;
  
  /**
   * The extended configuration provides methods to make using the
   * configuration easier.
   *
   * @author Thomas Morgner
   */
  public interface ExtendedConfiguration extends Configuration
  {
    /**
     * Checks, whether a given property is defined.
     *
     * @param name the name of the property
     * @return true, if the property is defined, false otherwise.
     */
    public boolean isPropertySet (String name);
  
    /**
     * Returns a given property as int value. Zero is returned if the
     * property value is no number or the property is not set.
     *
     * @param name the name of the property
     * @return the parsed number value or zero
     */
    public int getIntProperty (String name);
  
    /**
     * Returns a given property as int value. The specified default value is returned if the
     * property value is no number or the property is not set.
     *
     * @param name the name of the property
     * @param defaultValue the value to be returned if the property is no integer value
     * @return the parsed number value or the specified default value
     */
    public int getIntProperty (String name, int defaultValue);
  
    /**
     * Returns the boolean value of a given configuration property. The boolean value true
     * is returned, if the contained string is equal to 'true'.
     *
     * @param name the name of the property
     * @return the boolean value of the property.
     */
    public boolean getBoolProperty (String name);
  
    /**
     * Returns the boolean value of a given configuration property. The boolean value true
     * is returned, if the contained string is equal to 'true'. If the property is not set,
     * the default value is returned.
     *
     * @param name the name of the property
     * @param defaultValue the default value to be returned if the property is not set
     * @return the boolean value of the property.
     */
    public boolean getBoolProperty (String name, boolean defaultValue);
  }
  