001    /* Control consisting of several other controls
002       Copyright (C) 2005 Free Software Foundation, Inc.
003    
004    This file is part of GNU Classpath.
005    
006    GNU Classpath is free software; you can redistribute it and/or modify
007    it under the terms of the GNU General Public License as published by
008    the Free Software Foundation; either version 2, or (at your option)
009    any later version.
010    
011    GNU Classpath is distributed in the hope that it will be useful, but
012    WITHOUT ANY WARRANTY; without even the implied warranty of
013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014    General Public License for more details.
015    
016    You should have received a copy of the GNU General Public License
017    along with GNU Classpath; see the file COPYING.  If not, write to the
018    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019    02110-1301 USA.
020    
021    Linking this library statically or dynamically with other modules is
022    making a combined work based on this library.  Thus, the terms and
023    conditions of the GNU General Public License cover the whole
024    combination.
025    
026    As a special exception, the copyright holders of this library give you
027    permission to link this library with independent modules to produce an
028    executable, regardless of the license terms of these independent
029    modules, and to copy and distribute the resulting executable under
030    terms of your choice, provided that you also meet, for each linked
031    independent module, the terms and conditions of the license of that
032    module.  An independent module is a module which is not derived from
033    or based on this library.  If you modify this library, you may extend
034    this exception to your version of the library, but you are not
035    obligated to do so.  If you do not wish to do so, delete this
036    exception statement from your version. */
037    
038    
039    package javax.sound.sampled;
040    
041    /**
042     * A compound control provides control over several other controls.
043     * @since 1.3
044     */
045    public abstract class CompoundControl extends Control
046    {
047      /**
048       * This describes a single compound control.
049       * @since 1.3
050       */
051      public static class Type extends Control.Type
052      {
053        /**
054         * Create a new Type given its name.
055         * @param name the name of the type
056         */
057        protected Type(String name)
058        {
059          super(name);
060        }
061      }
062    
063      private Control[] memberControls;
064    
065      /**
066       * Create a new compound control given its type and members.
067       * @param type the type of the compound control
068       * @param members the members of the compound control
069       */
070      protected CompoundControl(Type type, Control[] members)
071      {
072        super(type);
073        // FIXME: clone?
074        this.memberControls = members;
075      }
076    
077      /**
078       * Return the members of this compound control.
079       */
080      public Control[] getMemberControls()
081      {
082        // FIXME: clone?
083        return memberControls;
084      }
085    
086      /**
087       * Return a string description of this compound control.
088       */
089      public String toString()
090      {
091        StringBuffer result = new StringBuffer();
092        result.append(super.toString());
093        result.append(": ");
094        for (int i = 0; i < memberControls.length; ++i)
095          {
096            if (i > 0)
097              result.append(", ");
098            result.append(memberControls[i].toString());
099          }
100        return result.toString();
101      }
102    }