| /* |
| Copyright (C) 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.sound.sampled; |
| |
| /** |
| * An EnumControl is a Control which can take one of a specified set of |
| * values. |
| * @since 1.3 |
| */ |
| public abstract class EnumControl extends Control |
| { |
| /** |
| * This Type describes an EnumControl. |
| * @since 1.3 |
| */ |
| public static class Type extends Control.Type |
| { |
| /** This describes an enum control used for reverb. */ |
| public static final Type REVERB = new Type("Reverb"); |
| |
| /** |
| * Create a new Type given its name. |
| * @param name the name of the type |
| */ |
| protected Type(String name) |
| { |
| super(name); |
| } |
| } |
| |
| private Object[] values; |
| private Object value; |
| |
| /** |
| * Create a new enumerated control given its Type, the range of valid |
| * values, and its initial value. |
| * @param type the type |
| * @param values the valid values |
| * @param val the initial value |
| */ |
| protected EnumControl(Type type, Object[] values, Object val) |
| { |
| super(type); |
| // FIXME: error checking: values.length>0, val in values... ? |
| // FIXME: clone here? |
| this.values = values; |
| this.value = val; |
| } |
| |
| /** |
| * Return the current value of this control. |
| */ |
| public Object getValue() |
| { |
| return value; |
| } |
| |
| /** |
| * Return the valid values for this control. |
| */ |
| public Object[] getValues() |
| { |
| // FIXME: clone here? |
| return values; |
| } |
| |
| /** |
| * Set the value of this control. If the indicated value is not among |
| * the valid values, this method will throw an IllegalArgumentException. |
| * @param value the new value |
| * @throws IllegalArgumentException if the new value is invalid |
| */ |
| public void setValue(Object value) |
| { |
| for (int i = 0; i < values.length; ++i) |
| { |
| if (! values[i].equals(value)) |
| throw new IllegalArgumentException("value not supported"); |
| } |
| this.value = value; |
| } |
| |
| /** |
| * Return a string describing this control. |
| */ |
| public String toString() |
| { |
| return super.toString() + ": " + value; |
| } |
| } |