JRE 8 rt.jar - java.* 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 java.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.

✍: FYIcenter

java/beans/PropertyEditorSupport.java

/*
 * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package java.beans;

import java.beans.*;

/**
 * This is a support class to help build property editors.
 * <p>
 * It can be used either as a base class or as a delegate.
 */

public class PropertyEditorSupport implements PropertyEditor {

    /**
     * Constructs a <code>PropertyEditorSupport</code> object.
     *
     * @since 1.5
     */
    public PropertyEditorSupport() {
        setSource(this);
    }

    /**
     * Constructs a <code>PropertyEditorSupport</code> object.
     *
     * @param source the source used for event firing
     * @since 1.5
     */
    public PropertyEditorSupport(Object source) {
        if (source == null) {
           throw new NullPointerException();
        }
        setSource(source);
    }

    /**
     * Returns the bean that is used as the
     * source of events. If the source has not
     * been explicitly set then this instance of
     * <code>PropertyEditorSupport</code> is returned.
     *
     * @return the source object or this instance
     * @since 1.5
     */
    public Object getSource() {
        return source;
    }

    /**
     * Sets the source bean.
     * <p>
     * The source bean is used as the source of events
     * for the property changes. This source should be used for information
     * purposes only and should not be modified by the PropertyEditor.
     *
     * @param source source object to be used for events
     * @since 1.5
     */
    public void setSource(Object source) {
        this.source = source;
    }

    /**
     * Set (or change) the object that is to be edited.
     *
     * @param value The new target object to be edited.  Note that this
     *     object should not be modified by the PropertyEditor, rather
     *     the PropertyEditor should create a new object to hold any
     *     modified value.
     */
    public void setValue(Object value) {
        this.value = value;
        firePropertyChange();
    }

    /**
     * Gets the value of the property.
     *
     * @return The value of the property.
     */
    public Object getValue() {
        return value;
    }

    //----------------------------------------------------------------------

    /**
     * Determines whether the class will honor the paintValue method.
     *
     * @return  True if the class will honor the paintValue method.
     */

    public boolean isPaintable() {
        return false;
    }

    /**
     * Paint a representation of the value into a given area of screen
     * real estate.  Note that the propertyEditor is responsible for doing
     * its own clipping so that it fits into the given rectangle.
     * <p>
     * If the PropertyEditor doesn't honor paint requests (see isPaintable)
     * this method should be a silent noop.
     *
     * @param gfx  Graphics object to paint into.
     * @param box  Rectangle within graphics object into which we should paint.
     */
    public void paintValue(java.awt.Graphics gfx, java.awt.Rectangle box) {
    }

    //----------------------------------------------------------------------

    /**
     * This method is intended for use when generating Java code to set
     * the value of the property.  It should return a fragment of Java code
     * that can be used to initialize a variable with the current property
     * value.
     * <p>
     * Example results are "2", "new Color(127,127,34)", "Color.orange", etc.
     *
     * @return A fragment of Java code representing an initializer for the
     *          current value.
     */
    public String getJavaInitializationString() {
        return "???";
    }

    //----------------------------------------------------------------------

    /**
     * Gets the property value as a string suitable for presentation
     * to a human to edit.
     *
     * @return The property value as a string suitable for presentation
     *       to a human to edit.
     * <p>   Returns null if the value can't be expressed as a string.
     * <p>   If a non-null value is returned, then the PropertyEditor should
     *       be prepared to parse that string back in setAsText().
     */
    public String getAsText() {
        return (this.value != null)
                ? this.value.toString()
                : null;
    }

    /**
     * Sets the property value by parsing a given String.  May raise
     * java.lang.IllegalArgumentException if either the String is
     * badly formatted or if this kind of property can't be expressed
     * as text.
     *
     * @param text  The string to be parsed.
     */
    public void setAsText(String text) throws java.lang.IllegalArgumentException {
        if (value instanceof String) {
            setValue(text);
            return;
        }
        throw new java.lang.IllegalArgumentException(text);
    }

    //----------------------------------------------------------------------

    /**
     * If the property value must be one of a set of known tagged values,
     * then this method should return an array of the tag values.  This can
     * be used to represent (for example) enum values.  If a PropertyEditor
     * supports tags, then it should support the use of setAsText with
     * a tag value as a way of setting the value.
     *
     * @return The tag values for this property.  May be null if this
     *   property cannot be represented as a tagged value.
     *
     */
    public String[] getTags() {
        return null;
    }

    //----------------------------------------------------------------------

    /**
     * A PropertyEditor may chose to make available a full custom Component
     * that edits its property value.  It is the responsibility of the
     * PropertyEditor to hook itself up to its editor Component itself and
     * to report property value changes by firing a PropertyChange event.
     * <P>
     * The higher-level code that calls getCustomEditor may either embed
     * the Component in some larger property sheet, or it may put it in
     * its own individual dialog, or ...
     *
     * @return A java.awt.Component that will allow a human to directly
     *      edit the current property value.  May be null if this is
     *      not supported.
     */

    public java.awt.Component getCustomEditor() {
        return null;
    }

    /**
     * Determines whether the propertyEditor can provide a custom editor.
     *
     * @return  True if the propertyEditor can provide a custom editor.
     */
    public boolean supportsCustomEditor() {
        return false;
    }

    //----------------------------------------------------------------------

    /**
     * Adds a listener for the value change.
     * When the property editor changes its value
     * it should fire a {@link PropertyChangeEvent}
     * on all registered {@link PropertyChangeListener}s,
     * specifying the {@code null} value for the property name.
     * If the source property is set,
     * it should be used as the source of the event.
     * <p>
     * The same listener object may be added more than once,
     * and will be called as many times as it is added.
     * If {@code listener} is {@code null},
     * no exception is thrown and no action is taken.
     *
     * @param listener  the {@link PropertyChangeListener} to add
     */
    public synchronized void addPropertyChangeListener(
                                PropertyChangeListener listener) {
        if (listeners == null) {
            listeners = new java.util.Vector<>();
        }
        listeners.addElement(listener);
    }

    /**
     * Removes a listener for the value change.
     * <p>
     * If the same listener was added more than once,
     * it will be notified one less time after being removed.
     * If {@code listener} is {@code null}, or was never added,
     * no exception is thrown and no action is taken.
     *
     * @param listener  the {@link PropertyChangeListener} to remove
     */
    public synchronized void removePropertyChangeListener(
                                PropertyChangeListener listener) {
        if (listeners == null) {
            return;
        }
        listeners.removeElement(listener);
    }

    /**
     * Report that we have been modified to any interested listeners.
     */
    public void firePropertyChange() {
        java.util.Vector<PropertyChangeListener> targets;
        synchronized (this) {
            if (listeners == null) {
                return;
            }
            targets = unsafeClone(listeners);
        }
        // Tell our listeners that "everything" has changed.
        PropertyChangeEvent evt = new PropertyChangeEvent(source, null, null, null);

        for (int i = 0; i < targets.size(); i++) {
            PropertyChangeListener target = targets.elementAt(i);
            target.propertyChange(evt);
        }
    }

    @SuppressWarnings("unchecked")
    private <T> java.util.Vector<T> unsafeClone(java.util.Vector<T> v) {
        return (java.util.Vector<T>)v.clone();
    }

    //----------------------------------------------------------------------

    private Object value;
    private Object source;
    private java.util.Vector<PropertyChangeListener> listeners;
}

java/beans/PropertyEditorSupport.java

 

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