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Diffstat (limited to 'libjava/classpath/javax/sound/sampled/EnumControl.java')
-rw-r--r-- | libjava/classpath/javax/sound/sampled/EnumControl.java | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/libjava/classpath/javax/sound/sampled/EnumControl.java b/libjava/classpath/javax/sound/sampled/EnumControl.java new file mode 100644 index 00000000000..798f3a91c96 --- /dev/null +++ b/libjava/classpath/javax/sound/sampled/EnumControl.java @@ -0,0 +1,126 @@ +/* + 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 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; + } +} |