JRE 8 rt.jar - com.* Package Source Code

JRE 8 rt.jar is the JAR file for JRE 8 RT (Runtime) libraries. JRE (Java Runtime) 8 is the runtime environment included in JDK 8. JRE 8 rt.jar libraries are divided into 6 packages:

com.* - Internal Oracle and Sun Microsystems libraries
java.* - Standard Java API libraries.
javax.* - Extended Java API libraries.
jdk.* -  JDK supporting libraries.
org.* - Third party libraries.
sun.* - Old libraries developed by Sun Microsystems.

JAR File Information:

Directory of C:\fyicenter\jdk-1.8.0_191\jre\lib
      63,596,151 rt.jar

Here is the list of Java classes of the com.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.

✍: FYIcenter

com/sun/java/swing/plaf/windows/WindowsLabelUI.java

/*
 * Copyright (c) 1997, 2005, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */

package com.sun.java.swing.plaf.windows;

import sun.swing.SwingUtilities2;
import sun.awt.AppContext;

import java.awt.Color;
import java.awt.Graphics;

import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.UIManager;

import javax.swing.plaf.ComponentUI;

import javax.swing.plaf.basic.BasicLabelUI;



/**
 * Windows rendition of the component.
 * <p>
 * <strong>Warning:</strong>
 * Serialized objects of this class will not be compatible with
 * future Swing releases.  The current serialization support is appropriate
 * for short term storage or RMI between applications running the same
 * version of Swing.  A future release of Swing will provide support for
 * long term persistence.
 */
public class WindowsLabelUI extends BasicLabelUI {

    private static final Object WINDOWS_LABEL_UI_KEY = new Object();

    // ********************************
    //          Create PLAF
    // ********************************
    public static ComponentUI createUI(JComponent c) {
        AppContext appContext = AppContext.getAppContext();
        WindowsLabelUI windowsLabelUI =
                (WindowsLabelUI) appContext.get(WINDOWS_LABEL_UI_KEY);
        if (windowsLabelUI == null) {
            windowsLabelUI = new WindowsLabelUI();
            appContext.put(WINDOWS_LABEL_UI_KEY, windowsLabelUI);
        }
        return windowsLabelUI;
    }

    protected void paintEnabledText(JLabel l, Graphics g, String s,
                                    int textX, int textY) {
        int mnemonicIndex = l.getDisplayedMnemonicIndex();
        // W2K Feature: Check to see if the Underscore should be rendered.
        if (WindowsLookAndFeel.isMnemonicHidden() == true) {
            mnemonicIndex = -1;
        }

        g.setColor(l.getForeground());
        SwingUtilities2.drawStringUnderlineCharAt(l, g, s, mnemonicIndex,
                                                     textX, textY);
    }

    protected void paintDisabledText(JLabel l, Graphics g, String s,
                                     int textX, int textY) {
        int mnemonicIndex = l.getDisplayedMnemonicIndex();
        // W2K Feature: Check to see if the Underscore should be rendered.
        if (WindowsLookAndFeel.isMnemonicHidden() == true) {
            mnemonicIndex = -1;
        }
        if ( UIManager.getColor("Label.disabledForeground") instanceof Color &&
             UIManager.getColor("Label.disabledShadow") instanceof Color) {
            g.setColor( UIManager.getColor("Label.disabledShadow") );
            SwingUtilities2.drawStringUnderlineCharAt(l, g, s,
                                                         mnemonicIndex,
                                                         textX + 1, textY + 1);
            g.setColor( UIManager.getColor("Label.disabledForeground") );
            SwingUtilities2.drawStringUnderlineCharAt(l, g, s,
                                                         mnemonicIndex,
                                                         textX, textY);
        } else {
            Color background = l.getBackground();
            g.setColor(background.brighter());
            SwingUtilities2.drawStringUnderlineCharAt(l,g, s, mnemonicIndex,
                                                         textX + 1, textY + 1);
            g.setColor(background.darker());
            SwingUtilities2.drawStringUnderlineCharAt(l,g, s, mnemonicIndex,
                                                         textX, textY);
        }
    }
}

com/sun/java/swing/plaf/windows/WindowsLabelUI.java

 

Or download all of them as a single archive file:

File name: jre-rt-com-1.8.0_191-src.zip
File size: 8099783 bytes
Release date: 2018-10-28
Download 

 

Backup JDK 8 Installation Directory

JRE 8 rt.jar - org.* Package Source Code

Download and Use JDK 8

⇑⇑ FAQ for JDK (Java Development Kit)

2023-02-07, 250447👍, 3💬