src/java.desktop/share/classes/javax/swing/Renderer.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package javax.swing;

import java.awt.Component;

/**
 * Defines the requirements for an object responsible for
 * "rendering" (displaying) a value.
 *
 * @author Arnaud Weber
 * @since 1.2
 */
public interface Renderer {
    /**
     * Specifies the value to display and whether or not the
     * value should be portrayed as "currently selected".
     *
     * @param aValue      an Object object
     * @param isSelected  a boolean
     */
    void setValue(Object aValue,boolean isSelected);
    /**
     * Returns the component used to render the value.
     *
     * @return the Component responsible for displaying the value
     */
    Component getComponent();
}