Categories:
Audio (13)
Biotech (29)
Bytecode (36)
Database (77)
Framework (7)
Game (7)
General (507)
Graphics (53)
I/O (35)
IDE (2)
JAR Tools (101)
JavaBeans (21)
JDBC (121)
JDK (426)
JSP (20)
Logging (108)
Mail (58)
Messaging (8)
Network (84)
PDF (97)
Report (7)
Scripting (84)
Security (32)
Server (121)
Servlet (26)
SOAP (24)
Testing (54)
Web (15)
XML (309)
Collections:
Other Resources:
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/awt/MenuItem.java
/* * Copyright (c) 1995, 2013, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.awt; import java.awt.peer.MenuItemPeer; import java.awt.event.*; import java.util.EventListener; import java.io.ObjectOutputStream; import java.io.ObjectInputStream; import java.io.IOException; import javax.accessibility.*; import sun.awt.AWTAccessor; /** * All items in a menu must belong to the class * <code>MenuItem</code>, or one of its subclasses. * <p> * The default <code>MenuItem</code> object embodies * a simple labeled menu item. * <p> * This picture of a menu bar shows five menu items: * <IMG SRC="doc-files/MenuBar-1.gif" alt="The following text describes this graphic." * style="float:center; margin: 7px 10px;"> * <br style="clear:left;"> * The first two items are simple menu items, labeled * <code>"Basic"</code> and <code>"Simple"</code>. * Following these two items is a separator, which is itself * a menu item, created with the label <code>"-"</code>. * Next is an instance of <code>CheckboxMenuItem</code> * labeled <code>"Check"</code>. The final menu item is a * submenu labeled <code>"More Examples"</code>, * and this submenu is an instance of <code>Menu</code>. * <p> * When a menu item is selected, AWT sends an action event to * the menu item. Since the event is an * instance of <code>ActionEvent</code>, the <code>processEvent</code> * method examines the event and passes it along to * <code>processActionEvent</code>. The latter method redirects the * event to any <code>ActionListener</code> objects that have * registered an interest in action events generated by this * menu item. * <P> * Note that the subclass <code>Menu</code> overrides this behavior and * does not send any event to the frame until one of its subitems is * selected. * * @author Sami Shaio */ public class MenuItem extends MenuComponent implements Accessible { static { /* ensure that the necessary native libraries are loaded */ Toolkit.loadLibraries(); if (!GraphicsEnvironment.isHeadless()) { initIDs(); } AWTAccessor.setMenuItemAccessor( new AWTAccessor.MenuItemAccessor() { public boolean isEnabled(MenuItem item) { return item.enabled; } public String getLabel(MenuItem item) { return item.label; } public MenuShortcut getShortcut(MenuItem item) { return item.shortcut; } public String getActionCommandImpl(MenuItem item) { return item.getActionCommandImpl(); } public boolean isItemEnabled(MenuItem item) { return item.isItemEnabled(); } }); } /** * A value to indicate whether a menu item is enabled * or not. If it is enabled, <code>enabled</code> will * be set to true. Else <code>enabled</code> will * be set to false. * * @serial * @see #isEnabled() * @see #setEnabled(boolean) */ boolean enabled = true; /** * <code>label</code> is the label of a menu item. * It can be any string. * * @serial * @see #getLabel() * @see #setLabel(String) */ String label; /** * This field indicates the command tha has been issued * by a particular menu item. * By default the <code>actionCommand</code> * is the label of the menu item, unless it has been * set using setActionCommand. * * @serial * @see #setActionCommand(String) * @see #getActionCommand() */ String actionCommand; /** * The eventMask is ONLY set by subclasses via enableEvents. * The mask should NOT be set when listeners are registered * so that we can distinguish the difference between when * listeners request events and subclasses request them. * * @serial */ long eventMask; transient ActionListener actionListener; /** * A sequence of key stokes that ia associated with * a menu item. * Note :in 1.1.2 you must use setActionCommand() * on a menu item in order for its shortcut to * work. * * @serial * @see #getShortcut() * @see #setShortcut(MenuShortcut) * @see #deleteShortcut() */ private MenuShortcut shortcut = null; private static final String base = "menuitem"; private static int nameCounter = 0; /* * JDK 1.1 serialVersionUID */ private static final long serialVersionUID = -21757335363267194L; /** * Constructs a new MenuItem with an empty label and no keyboard * shortcut. * @exception HeadlessException if GraphicsEnvironment.isHeadless() * returns true. * @see java.awt.GraphicsEnvironment#isHeadless * @since JDK1.1 */ public MenuItem() throws HeadlessException { this("", null); } /** * Constructs a new MenuItem with the specified label * and no keyboard shortcut. Note that use of "-" in * a label is reserved to indicate a separator between * menu items. By default, all menu items except for * separators are enabled. * @param label the label for this menu item. * @exception HeadlessException if GraphicsEnvironment.isHeadless() * returns true. * @see java.awt.GraphicsEnvironment#isHeadless * @since JDK1.0 */ public MenuItem(String label) throws HeadlessException { this(label, null); } /** * Create a menu item with an associated keyboard shortcut. * Note that use of "-" in a label is reserved to indicate * a separator between menu items. By default, all menu * items except for separators are enabled. * @param label the label for this menu item. * @param s the instance of <code>MenuShortcut</code> * associated with this menu item. * @exception HeadlessException if GraphicsEnvironment.isHeadless() * returns true. * @see java.awt.GraphicsEnvironment#isHeadless * @since JDK1.1 */ public MenuItem(String label, MenuShortcut s) throws HeadlessException { this.label = label; this.shortcut = s; } /** * Construct a name for this MenuComponent. Called by getName() when * the name is null. */ String constructComponentName() { synchronized (MenuItem.class) { return base + nameCounter++; } } /** * Creates the menu item's peer. The peer allows us to modify the * appearance of the menu item without changing its functionality. */ public void addNotify() { synchronized (getTreeLock()) { if (peer == null) peer = Toolkit.getDefaultToolkit().createMenuItem(this); } } /** * Gets the label for this menu item. * @return the label of this menu item, or <code>null</code> if this menu item has no label. * @see java.awt.MenuItem#setLabel * @since JDK1.0 */ public String getLabel() { return label; } /** * Sets the label for this menu item to the specified label. * @param label the new label, or <code>null</code> for no label. * @see java.awt.MenuItem#getLabel * @since JDK1.0 */ public synchronized void setLabel(String label) { this.label = label; MenuItemPeer peer = (MenuItemPeer)this.peer; if (peer != null) { peer.setLabel(label); } } /** * Checks whether this menu item is enabled. * @see java.awt.MenuItem#setEnabled * @since JDK1.0 */ public boolean isEnabled() { return enabled; } /** * Sets whether or not this menu item can be chosen. * @param b if <code>true</code>, enables this menu item; * if <code>false</code>, disables it. * @see java.awt.MenuItem#isEnabled * @since JDK1.1 */ public synchronized void setEnabled(boolean b) { enable(b); } /** * @deprecated As of JDK version 1.1, * replaced by <code>setEnabled(boolean)</code>. */ @Deprecated public synchronized void enable() { enabled = true; MenuItemPeer peer = (MenuItemPeer)this.peer; if (peer != null) { peer.setEnabled(true); } } /** * @deprecated As of JDK version 1.1, * replaced by <code>setEnabled(boolean)</code>. */ @Deprecated public void enable(boolean b) { if (b) { enable(); } else { disable(); } } /** * @deprecated As of JDK version 1.1, * replaced by <code>setEnabled(boolean)</code>. */ @Deprecated public synchronized void disable() { enabled = false; MenuItemPeer peer = (MenuItemPeer)this.peer; if (peer != null) { peer.setEnabled(false); } } /** * Get the <code>MenuShortcut</code> object associated with this * menu item, * @return the menu shortcut associated with this menu item, * or <code>null</code> if none has been specified. * @see java.awt.MenuItem#setShortcut * @since JDK1.1 */ public MenuShortcut getShortcut() { return shortcut; } /** * Set the <code>MenuShortcut</code> object associated with this * menu item. If a menu shortcut is already associated with * this menu item, it is replaced. * @param s the menu shortcut to associate * with this menu item. * @see java.awt.MenuItem#getShortcut * @since JDK1.1 */ public void setShortcut(MenuShortcut s) { shortcut = s; MenuItemPeer peer = (MenuItemPeer)this.peer; if (peer != null) { peer.setLabel(label); } } /** * Delete any <code>MenuShortcut</code> object associated * with this menu item. * @since JDK1.1 */ public void deleteShortcut() { shortcut = null; MenuItemPeer peer = (MenuItemPeer)this.peer; if (peer != null) { peer.setLabel(label); } } /* * Delete a matching MenuShortcut associated with this MenuItem. * Used when iterating Menus. */ void deleteShortcut(MenuShortcut s) { if (s.equals(shortcut)) { shortcut = null; MenuItemPeer peer = (MenuItemPeer)this.peer; if (peer != null) { peer.setLabel(label); } } } /* * The main goal of this method is to post an appropriate event * to the event queue when menu shortcut is pressed. However, * in subclasses this method may do more than just posting * an event. */ void doMenuEvent(long when, int modifiers) { Toolkit.getEventQueue().postEvent( new ActionEvent(this, ActionEvent.ACTION_PERFORMED, getActionCommand(), when, modifiers)); } /* * Returns true if the item and all its ancestors are * enabled, false otherwise */ private final boolean isItemEnabled() { // Fix For 6185151: Menu shortcuts of all menuitems within a menu // should be disabled when the menu itself is disabled if (!isEnabled()) { return false; } MenuContainer container = getParent_NoClientCode(); do { if (!(container instanceof Menu)) { return true; } Menu menu = (Menu)container; if (!menu.isEnabled()) { return false; } container = menu.getParent_NoClientCode(); } while (container != null); return true; } /* * Post an ActionEvent to the target (on * keydown) and the item is enabled. * Returns true if there is an associated shortcut. */ boolean handleShortcut(KeyEvent e) { MenuShortcut s = new MenuShortcut(e.getKeyCode(), (e.getModifiers() & InputEvent.SHIFT_MASK) > 0); MenuShortcut sE = new MenuShortcut(e.getExtendedKeyCode(), (e.getModifiers() & InputEvent.SHIFT_MASK) > 0); // Fix For 6185151: Menu shortcuts of all menuitems within a menu // should be disabled when the menu itself is disabled if ((s.equals(shortcut) || sE.equals(shortcut)) && isItemEnabled()) { // MenuShortcut match -- issue an event on keydown. if (e.getID() == KeyEvent.KEY_PRESSED) { doMenuEvent(e.getWhen(), e.getModifiers()); } else { // silently eat key release. } return true; } return false; } MenuItem getShortcutMenuItem(MenuShortcut s) { return (s.equals(shortcut)) ? this : null; } /** * Enables event delivery to this menu item for events * to be defined by the specified event mask parameter * <p> * Since event types are automatically enabled when a listener for * that type is added to the menu item, this method only needs * to be invoked by subclasses of <code>MenuItem</code> which desire to * have the specified event types delivered to <code>processEvent</code> * regardless of whether a listener is registered. * * @param eventsToEnable the event mask defining the event types * @see java.awt.MenuItem#processEvent * @see java.awt.MenuItem#disableEvents * @see java.awt.Component#enableEvents * @since JDK1.1 */ protected final void enableEvents(long eventsToEnable) { eventMask |= eventsToEnable; newEventsOnly = true; } /** * Disables event delivery to this menu item for events * defined by the specified event mask parameter. * * @param eventsToDisable the event mask defining the event types * @see java.awt.MenuItem#processEvent * @see java.awt.MenuItem#enableEvents * @see java.awt.Component#disableEvents * @since JDK1.1 */ protected final void disableEvents(long eventsToDisable) { eventMask &= ~eventsToDisable; } /** * Sets the command name of the action event that is fired * by this menu item. * <p> * By default, the action command is set to the label of * the menu item. * @param command the action command to be set * for this menu item. * @see java.awt.MenuItem#getActionCommand * @since JDK1.1 */ public void setActionCommand(String command) { actionCommand = command; } /** * Gets the command name of the action event that is fired * by this menu item. * @see java.awt.MenuItem#setActionCommand * @since JDK1.1 */ public String getActionCommand() { return getActionCommandImpl(); } // This is final so it can be called on the Toolkit thread. final String getActionCommandImpl() { return (actionCommand == null? label : actionCommand); } /** * Adds the specified action listener to receive action events * from this menu item. * If l is null, no exception is thrown and no action is performed. * <p>Refer to <a href="doc-files/AWTThreadIssues.html#ListenersThreads" * >AWT Threading Issues</a> for details on AWT's threading model. * * @param l the action listener. * @see #removeActionListener * @see #getActionListeners * @see java.awt.event.ActionEvent * @see java.awt.event.ActionListener * @since JDK1.1 */ public synchronized void addActionListener(ActionListener l) { if (l == null) { return; } actionListener = AWTEventMulticaster.add(actionListener, l); newEventsOnly = true; } /** * Removes the specified action listener so it no longer receives * action events from this menu item. * If l is null, no exception is thrown and no action is performed. * <p>Refer to <a href="doc-files/AWTThreadIssues.html#ListenersThreads" * >AWT Threading Issues</a> for details on AWT's threading model. * * @param l the action listener. * @see #addActionListener * @see #getActionListeners * @see java.awt.event.ActionEvent * @see java.awt.event.ActionListener * @since JDK1.1 */ public synchronized void removeActionListener(ActionListener l) { if (l == null) { return; } actionListener = AWTEventMulticaster.remove(actionListener, l); } /** * Returns an array of all the action listeners * registered on this menu item. * * @return all of this menu item's <code>ActionListener</code>s * or an empty array if no action * listeners are currently registered * * @see #addActionListener * @see #removeActionListener * @see java.awt.event.ActionEvent * @see java.awt.event.ActionListener * @since 1.4 */ public synchronized ActionListener[] getActionListeners() { return getListeners(ActionListener.class); } /** * Returns an array of all the objects currently registered * as <code><em>Foo</em>Listener</code>s * upon this <code>MenuItem</code>. * <code><em>Foo</em>Listener</code>s are registered using the * <code>add<em>Foo</em>Listener</code> method. * * <p> * You can specify the <code>listenerType</code> argument * with a class literal, such as * <code><em>Foo</em>Listener.class</code>. * For example, you can query a * <code>MenuItem</code> <code>m</code> * for its action listeners with the following code: * * <pre>ActionListener[] als = (ActionListener[])(m.getListeners(ActionListener.class));</pre> * * If no such listeners exist, this method returns an empty array. * * @param listenerType the type of listeners requested; this parameter * should specify an interface that descends from * <code>java.util.EventListener</code> * @return an array of all objects registered as * <code><em>Foo</em>Listener</code>s on this menu item, * or an empty array if no such * listeners have been added * @exception ClassCastException if <code>listenerType</code> * doesn't specify a class or interface that implements * <code>java.util.EventListener</code> * * @see #getActionListeners * @since 1.3 */ public <T extends EventListener> T[] getListeners(Class<T> listenerType) { EventListener l = null; if (listenerType == ActionListener.class) { l = actionListener; } return AWTEventMulticaster.getListeners(l, listenerType); } /** * Processes events on this menu item. If the event is an * instance of <code>ActionEvent</code>, it invokes * <code>processActionEvent</code>, another method * defined by <code>MenuItem</code>. * <p> * Currently, menu items only support action events. * <p>Note that if the event parameter is <code>null</code> * the behavior is unspecified and may result in an * exception. * * @param e the event * @see java.awt.MenuItem#processActionEvent * @since JDK1.1 */ protected void processEvent(AWTEvent e) { if (e instanceof ActionEvent) { processActionEvent((ActionEvent)e); } } // REMIND: remove when filtering is done at lower level boolean eventEnabled(AWTEvent e) { if (e.id == ActionEvent.ACTION_PERFORMED) { if ((eventMask & AWTEvent.ACTION_EVENT_MASK) != 0 || actionListener != null) { return true; } return false; } return super.eventEnabled(e); } /** * Processes action events occurring on this menu item, * by dispatching them to any registered * <code>ActionListener</code> objects. * This method is not called unless action events are * enabled for this component. Action events are enabled * when one of the following occurs: * <ul> * <li>An <code>ActionListener</code> object is registered * via <code>addActionListener</code>. * <li>Action events are enabled via <code>enableEvents</code>. * </ul> * <p>Note that if the event parameter is <code>null</code> * the behavior is unspecified and may result in an * exception. * * @param e the action event * @see java.awt.event.ActionEvent * @see java.awt.event.ActionListener * @see java.awt.MenuItem#enableEvents * @since JDK1.1 */ protected void processActionEvent(ActionEvent e) { ActionListener listener = actionListener; if (listener != null) { listener.actionPerformed(e); } } /** * Returns a string representing the state of this <code>MenuItem</code>. * This method is intended to be used only for debugging purposes, and the * content and format of the returned string may vary between * implementations. The returned string may be empty but may not be * <code>null</code>. * * @return the parameter string of this menu item */ public String paramString() { String str = ",label=" + label; if (shortcut != null) { str += ",shortcut=" + shortcut; } return super.paramString() + str; } /* Serialization support. */ /** * Menu item serialized data version. * * @serial */ private int menuItemSerializedDataVersion = 1; /** * Writes default serializable fields to stream. Writes * a list of serializable <code>ActionListeners</code> * as optional data. The non-serializable listeners are * detected and no attempt is made to serialize them. * * @param s the <code>ObjectOutputStream</code> to write * @serialData <code>null</code> terminated sequence of 0 * or more pairs; the pair consists of a <code>String</code> * and an <code>Object</code>; the <code>String</code> * indicates the type of object and is one of the following: * <code>actionListenerK</code> indicating an * <code>ActionListener</code> object * * @see AWTEventMulticaster#save(ObjectOutputStream, String, EventListener) * @see #readObject(ObjectInputStream) */ private void writeObject(ObjectOutputStream s) throws IOException { s.defaultWriteObject(); AWTEventMulticaster.save(s, actionListenerK, actionListener); s.writeObject(null); } /** * Reads the <code>ObjectInputStream</code> and if it * isn't <code>null</code> adds a listener to receive * action events fired by the <code>Menu</code> Item. * Unrecognized keys or values will be ignored. * * @param s the <code>ObjectInputStream</code> to read * @exception HeadlessException if * <code>GraphicsEnvironment.isHeadless</code> returns * <code>true</code> * @see #removeActionListener(ActionListener) * @see #addActionListener(ActionListener) * @see #writeObject(ObjectOutputStream) */ private void readObject(ObjectInputStream s) throws ClassNotFoundException, IOException, HeadlessException { // HeadlessException will be thrown from MenuComponent's readObject s.defaultReadObject(); Object keyOrNull; while(null != (keyOrNull = s.readObject())) { String key = ((String)keyOrNull).intern(); if (actionListenerK == key) addActionListener((ActionListener)(s.readObject())); else // skip value for unrecognized key s.readObject(); } } /** * Initialize JNI field and method IDs */ private static native void initIDs(); ///////////////// // Accessibility support //////////////// /** * Gets the AccessibleContext associated with this MenuItem. * For menu items, the AccessibleContext takes the form of an * AccessibleAWTMenuItem. * A new AccessibleAWTMenuItem instance is created if necessary. * * @return an AccessibleAWTMenuItem that serves as the * AccessibleContext of this MenuItem * @since 1.3 */ public AccessibleContext getAccessibleContext() { if (accessibleContext == null) { accessibleContext = new AccessibleAWTMenuItem(); } return accessibleContext; } /** * Inner class of MenuItem used to provide default support for * accessibility. This class is not meant to be used directly by * application developers, but is instead meant only to be * subclassed by menu component developers. * <p> * This class implements accessibility support for the * <code>MenuItem</code> class. It provides an implementation of the * Java Accessibility API appropriate to menu item user-interface elements. * @since 1.3 */ protected class AccessibleAWTMenuItem extends AccessibleAWTMenuComponent implements AccessibleAction, AccessibleValue { /* * JDK 1.3 serialVersionUID */ private static final long serialVersionUID = -217847831945965825L; /** * Get the accessible name of this object. * * @return the localized name of the object -- can be null if this * object does not have a name */ public String getAccessibleName() { if (accessibleName != null) { return accessibleName; } else { if (getLabel() == null) { return super.getAccessibleName(); } else { return getLabel(); } } } /** * Get the role of this object. * * @return an instance of AccessibleRole describing the role of the * object */ public AccessibleRole getAccessibleRole() { return AccessibleRole.MENU_ITEM; } /** * Get the AccessibleAction associated with this object. In the * implementation of the Java Accessibility API for this class, * return this object, which is responsible for implementing the * AccessibleAction interface on behalf of itself. * * @return this object */ public AccessibleAction getAccessibleAction() { return this; } /** * Get the AccessibleValue associated with this object. In the * implementation of the Java Accessibility API for this class, * return this object, which is responsible for implementing the * AccessibleValue interface on behalf of itself. * * @return this object */ public AccessibleValue getAccessibleValue() { return this; } /** * Returns the number of Actions available in this object. The * default behavior of a menu item is to have one action. * * @return 1, the number of Actions in this object */ public int getAccessibleActionCount() { return 1; } /** * Return a description of the specified action of the object. * * @param i zero-based index of the actions */ public String getAccessibleActionDescription(int i) { if (i == 0) { // [[[PENDING: WDW -- need to provide a localized string]]] return "click"; } else { return null; } } /** * Perform the specified Action on the object * * @param i zero-based index of actions * @return true if the action was performed; otherwise false. */ public boolean doAccessibleAction(int i) { if (i == 0) { // Simulate a button click Toolkit.getEventQueue().postEvent( new ActionEvent(MenuItem.this, ActionEvent.ACTION_PERFORMED, MenuItem.this.getActionCommand(), EventQueue.getMostRecentEventTime(), 0)); return true; } else { return false; } } /** * Get the value of this object as a Number. * * @return An Integer of 0 if this isn't selected or an Integer of 1 if * this is selected. * @see javax.swing.AbstractButton#isSelected() */ public Number getCurrentAccessibleValue() { return Integer.valueOf(0); } /** * Set the value of this object as a Number. * * @return True if the value was set. */ public boolean setCurrentAccessibleValue(Number n) { return false; } /** * Get the minimum value of this object as a Number. * * @return An Integer of 0. */ public Number getMinimumAccessibleValue() { return Integer.valueOf(0); } /** * Get the maximum value of this object as a Number. * * @return An Integer of 0. */ public Number getMaximumAccessibleValue() { return Integer.valueOf(0); } } // class AccessibleAWTMenuItem }
⏎ java/awt/MenuItem.java
Or download all of them as a single archive file:
File name: jre-rt-java-1.8.0_191-src.zip File size: 6664831 bytes Release date: 2018-10-28 Download
⇒ JRE 8 rt.jar - javax.* Package Source Code
2023-08-23, 247618👍, 4💬
Popular Posts:
Jaxen, Release 1.1.1, is an open source XPath library written in Java. It is adaptable to many diffe...
maven-compat-3.8.6.jar is the JAR file for Apache Maven 3.8.6 Compact module. The JAR file name may ...
JDK 11 jdk.internal.JVM Stat.jmod is the JMOD file for JDK 11 Internal Jvmstat module. JDK 11 Intern...
JDK 8 tools.jar is the JAR file for JDK 8 tools. It contains Java classes to support different JDK t...
Apache Axis2 is the core engine for Web services. It is a complete re-design and re-write of the wid...