/* * Copyright (c) 1999, 2003, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.sound.sampled; /** * A <code>CompoundControl</code>, such as a graphic equalizer, provides control * over two or more related properties, each of which is itself represented as * a <code>Control</code>. * * @author Kara Kytle * @since 1.3 */public abstract class CompoundControl extends Control {      // TYPE DEFINES      // INSTANCE VARIABLES      /**     * The set of member controls.     */    private Control[] controls;       // CONSTRUCTORS      /**     * Constructs a new compound control object with the given parameters.     *     * @param type the type of control represented this compound control object     * @param memberControls the set of member controls     */    protected CompoundControl(Type type, Control[] memberControls) {         super(type);        this.controls = memberControls;    }       // METHODS      /**     * Returns the set of member controls that comprise the compound control.     * @return the set of member controls.     */    public Control[] getMemberControls() {         Control[] localArray = new Control[controls.length];         for (int i = 0; i < controls.length; i++) {            localArray[i] = controls[i];        }         return localArray;    }      // ABSTRACT METHOD IMPLEMENTATIONS: CONTROL      /**     * Provides a string representation of the control     * @return a string description     */    public String toString() {         StringBuffer buf = new StringBuffer();        for (int i = 0; i < controls.length; i++) {            if (i != 0) {                buf.append(", ");                if ((i + 1) == controls.length) {                    buf.append("and ");                }            }            buf.append(controls[i].getType());        }         return new String(getType() + " Control containing " + buf + " Controls.");    }      // INNER CLASSES      /**     * An instance of the <code>CompoundControl.Type</code> inner class identifies one kind of     * compound control.  Static instances are provided for the     * common types.     *     * @author Kara Kytle     * @since 1.3     */    public static class Type extends Control.Type {          // TYPE DEFINES         // CONSTRUCTOR          /**         * Constructs a new compound control type.         * @param name  the name of the new compound control type         */        protected Type(String name) {            super(name);        }    } // class Type } // class CompoundControl