/* * 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