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    import gnu.java.lang.CPStringBuilder;
042    
043    /**
044     * A compound control provides control over several other controls.
045     * @since 1.3
046     */
047    public abstract class CompoundControl extends Control
048    {
049      /**
050       * This describes a single compound control.
051       * @since 1.3
052       */
053      public static class Type extends Control.Type
054      {
055        /**
056         * Create a new Type given its name.
057         * @param name the name of the type
058         */
059        protected Type(String name)
060        {
061          super(name);
062        }
063      }
064    
065      private Control[] memberControls;
066    
067      /**
068       * Create a new compound control given its type and members.
069       * @param type the type of the compound control
070       * @param members the members of the compound control
071       */
072      protected CompoundControl(Type type, Control[] members)
073      {
074        super(type);
075        // FIXME: clone?
076        this.memberControls = members;
077      }
078    
079      /**
080       * Return the members of this compound control.
081       */
082      public Control[] getMemberControls()
083      {
084        // FIXME: clone?
085        return memberControls;
086      }
087    
088      /**
089       * Return a string description of this compound control.
090       */
091      public String toString()
092      {
093        CPStringBuilder result = new CPStringBuilder();
094        result.append(super.toString());
095        result.append(": ");
096        for (int i = 0; i < memberControls.length; ++i)
097          {
098            if (i > 0)
099              result.append(", ");
100            result.append(memberControls[i].toString());
101          }
102        return result.toString();
103      }
104    }