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JDK 11 java.desktop.jmod - Desktop Module
JDK 11 java.desktop.jmod is the JMOD file for JDK 11 Desktop module.
JDK 11 Desktop module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.desktop.jmod.
JDK 11 Desktop module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.
JDK 11 Desktop module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.desktop.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ java/awt/MediaTracker.java
/* * Copyright (c) 1995, 2014, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.awt; import java.awt.Component; import java.awt.Image; import java.awt.image.ImageObserver; import sun.awt.image.MultiResolutionToolkitImage; /** * The {@code MediaTracker} class is a utility class to track * the status of a number of media objects. Media objects could * include audio clips as well as images, though currently only * images are supported. * <p> * To use a media tracker, create an instance of * {@code MediaTracker} and call its {@code addImage} * method for each image to be tracked. In addition, each image can * be assigned a unique identifier. This identifier controls the * priority order in which the images are fetched. It can also be used * to identify unique subsets of the images that can be waited on * independently. Images with a lower ID are loaded in preference to * those with a higher ID number. * * <p> * * Tracking an animated image * might not always be useful * due to the multi-part nature of animated image * loading and painting, * but it is supported. * {@code MediaTracker} treats an animated image * as completely loaded * when the first frame is completely loaded. * At that point, the {@code MediaTracker} * signals any waiters * that the image is completely loaded. * If no {@code ImageObserver}s are observing the image * when the first frame has finished loading, * the image might flush itself * to conserve resources * (see {@link Image#flush()}). * * <p> * Here is an example of using {@code MediaTracker}: * * <hr><blockquote><pre>{@code * import java.applet.Applet; * import java.awt.Color; * import java.awt.Image; * import java.awt.Graphics; * import java.awt.MediaTracker; * * public class ImageBlaster extends Applet implements Runnable { * MediaTracker tracker; * Image bg; * Image anim[] = new Image[5]; * int index; * Thread animator; * * // Get the images for the background (id == 0) * // and the animation frames (id == 1) * // and add them to the MediaTracker * public void init() { * tracker = new MediaTracker(this); * bg = getImage(getDocumentBase(), * "images/background.gif"); * tracker.addImage(bg, 0); * for (int i = 0; i < 5; i++) { * anim[i] = getImage(getDocumentBase(), * "images/anim"+i+".gif"); * tracker.addImage(anim[i], 1); * } * } * * // Start the animation thread. * public void start() { * animator = new Thread(this); * animator.start(); * } * * // Stop the animation thread. * public void stop() { * animator = null; * } * * // Run the animation thread. * // First wait for the background image to fully load * // and paint. Then wait for all of the animation * // frames to finish loading. Finally, loop and * // increment the animation frame index. * public void run() { * try { * tracker.waitForID(0); * tracker.waitForID(1); * } catch (InterruptedException e) { * return; * } * Thread me = Thread.currentThread(); * while (animator == me) { * try { * Thread.sleep(100); * } catch (InterruptedException e) { * break; * } * synchronized (this) { * index++; * if (index >= anim.length) { * index = 0; * } * } * repaint(); * } * } * * // The background image fills the frame so we * // don't need to clear the applet on repaints. * // Just call the paint method. * public void update(Graphics g) { * paint(g); * } * * // Paint a large red rectangle if there are any errors * // loading the images. Otherwise always paint the * // background so that it appears incrementally as it * // is loading. Finally, only paint the current animation * // frame if all of the frames (id == 1) are done loading, * // so that we don't get partial animations. * public void paint(Graphics g) { * if ((tracker.statusAll(false) & MediaTracker.ERRORED) != 0) { * g.setColor(Color.red); * g.fillRect(0, 0, size().width, size().height); * return; * } * g.drawImage(bg, 0, 0, this); * if (tracker.statusID(1, false) == MediaTracker.COMPLETE) { * g.drawImage(anim[index], 10, 10, this); * } * } * } * } </pre></blockquote><hr> * * @author Jim Graham * @since 1.0 */ public class MediaTracker implements java.io.Serializable { /** * A given {@code Component} that will be * tracked by a media tracker where the image will * eventually be drawn. * * @serial * @see #MediaTracker(Component) */ Component target; /** * The head of the list of {@code Images} that is being * tracked by the {@code MediaTracker}. * * @serial * @see #addImage(Image, int) * @see #removeImage(Image) */ MediaEntry head; /* * JDK 1.1 serialVersionUID */ private static final long serialVersionUID = -483174189758638095L; /** * Creates a media tracker to track images for a given component. * @param comp the component on which the images * will eventually be drawn */ public MediaTracker(Component comp) { target = comp; } /** * Adds an image to the list of images being tracked by this media * tracker. The image will eventually be rendered at its default * (unscaled) size. * @param image the image to be tracked * @param id an identifier used to track this image */ public void addImage(Image image, int id) { addImage(image, id, -1, -1); } /** * Adds a scaled image to the list of images being tracked * by this media tracker. The image will eventually be * rendered at the indicated width and height. * * @param image the image to be tracked * @param id an identifier that can be used to track this image * @param w the width at which the image is rendered * @param h the height at which the image is rendered */ public synchronized void addImage(Image image, int id, int w, int h) { addImageImpl(image, id, w, h); Image rvImage = getResolutionVariant(image); if (rvImage != null) { addImageImpl(rvImage, id, w == -1 ? -1 : 2 * w, h == -1 ? -1 : 2 * h); } } private void addImageImpl(Image image, int id, int w, int h) { head = MediaEntry.insert(head, new ImageMediaEntry(this, image, id, w, h)); } /** * Flag indicating that media is currently being loaded. * @see java.awt.MediaTracker#statusAll * @see java.awt.MediaTracker#statusID */ public static final int LOADING = 1; /** * Flag indicating that the downloading of media was aborted. * @see java.awt.MediaTracker#statusAll * @see java.awt.MediaTracker#statusID */ public static final int ABORTED = 2; /** * Flag indicating that the downloading of media encountered * an error. * @see java.awt.MediaTracker#statusAll * @see java.awt.MediaTracker#statusID */ public static final int ERRORED = 4; /** * Flag indicating that the downloading of media was completed * successfully. * @see java.awt.MediaTracker#statusAll * @see java.awt.MediaTracker#statusID */ public static final int COMPLETE = 8; static final int DONE = (ABORTED | ERRORED | COMPLETE); /** * Checks to see if all images being tracked by this media tracker * have finished loading. * <p> * This method does not start loading the images if they are not * already loading. * <p> * If there is an error while loading or scaling an image, then that * image is considered to have finished loading. Use the * {@code isErrorAny} or {@code isErrorID} methods to * check for errors. * @return {@code true} if all images have finished loading, * have been aborted, or have encountered * an error; {@code false} otherwise * @see java.awt.MediaTracker#checkAll(boolean) * @see java.awt.MediaTracker#checkID * @see java.awt.MediaTracker#isErrorAny * @see java.awt.MediaTracker#isErrorID */ public boolean checkAll() { return checkAll(false, true); } /** * Checks to see if all images being tracked by this media tracker * have finished loading. * <p> * If the value of the {@code load} flag is {@code true}, * then this method starts loading any images that are not yet * being loaded. * <p> * If there is an error while loading or scaling an image, that * image is considered to have finished loading. Use the * {@code isErrorAny} and {@code isErrorID} methods to * check for errors. * @param load if {@code true}, start loading any * images that are not yet being loaded * @return {@code true} if all images have finished loading, * have been aborted, or have encountered * an error; {@code false} otherwise * @see java.awt.MediaTracker#checkID * @see java.awt.MediaTracker#checkAll() * @see java.awt.MediaTracker#isErrorAny() * @see java.awt.MediaTracker#isErrorID(int) */ public boolean checkAll(boolean load) { return checkAll(load, true); } private synchronized boolean checkAll(boolean load, boolean verify) { MediaEntry cur = head; boolean done = true; while (cur != null) { if ((cur.getStatus(load, verify) & DONE) == 0) { done = false; } cur = cur.next; } return done; } /** * Checks the error status of all of the images. * @return {@code true} if any of the images tracked * by this media tracker had an error during * loading; {@code false} otherwise * @see java.awt.MediaTracker#isErrorID * @see java.awt.MediaTracker#getErrorsAny */ public synchronized boolean isErrorAny() { MediaEntry cur = head; while (cur != null) { if ((cur.getStatus(false, true) & ERRORED) != 0) { return true; } cur = cur.next; } return false; } /** * Returns a list of all media that have encountered an error. * @return an array of media objects tracked by this * media tracker that have encountered * an error, or {@code null} if * there are none with errors * @see java.awt.MediaTracker#isErrorAny * @see java.awt.MediaTracker#getErrorsID */ public synchronized Object[] getErrorsAny() { MediaEntry cur = head; int numerrors = 0; while (cur != null) { if ((cur.getStatus(false, true) & ERRORED) != 0) { numerrors++; } cur = cur.next; } if (numerrors == 0) { return null; } Object errors[] = new Object[numerrors]; cur = head; numerrors = 0; while (cur != null) { if ((cur.getStatus(false, false) & ERRORED) != 0) { errors[numerrors++] = cur.getMedia(); } cur = cur.next; } return errors; } /** * Starts loading all images tracked by this media tracker. This * method waits until all the images being tracked have finished * loading. * <p> * If there is an error while loading or scaling an image, then that * image is considered to have finished loading. Use the * {@code isErrorAny} or {@code isErrorID} methods to * check for errors. * @see java.awt.MediaTracker#waitForID(int) * @see java.awt.MediaTracker#waitForAll(long) * @see java.awt.MediaTracker#isErrorAny * @see java.awt.MediaTracker#isErrorID * @exception InterruptedException if any thread has * interrupted this thread */ public void waitForAll() throws InterruptedException { waitForAll(0); } /** * Starts loading all images tracked by this media tracker. This * method waits until all the images being tracked have finished * loading, or until the length of time specified in milliseconds * by the {@code ms} argument has passed. * <p> * If there is an error while loading or scaling an image, then * that image is considered to have finished loading. Use the * {@code isErrorAny} or {@code isErrorID} methods to * check for errors. * @param ms the number of milliseconds to wait * for the loading to complete * @return {@code true} if all images were successfully * loaded; {@code false} otherwise * @see java.awt.MediaTracker#waitForID(int) * @see java.awt.MediaTracker#waitForAll(long) * @see java.awt.MediaTracker#isErrorAny * @see java.awt.MediaTracker#isErrorID * @exception InterruptedException if any thread has * interrupted this thread. */ public synchronized boolean waitForAll(long ms) throws InterruptedException { long end = System.currentTimeMillis() + ms; boolean first = true; while (true) { int status = statusAll(first, first); if ((status & LOADING) == 0) { return (status == COMPLETE); } first = false; long timeout; if (ms == 0) { timeout = 0; } else { timeout = end - System.currentTimeMillis(); if (timeout <= 0) { return false; } } wait(timeout); } } /** * Calculates and returns the bitwise inclusive <b>OR</b> of the * status of all media that are tracked by this media tracker. * <p> * Possible flags defined by the * {@code MediaTracker} class are {@code LOADING}, * {@code ABORTED}, {@code ERRORED}, and * {@code COMPLETE}. An image that hasn't started * loading has zero as its status. * <p> * If the value of {@code load} is {@code true}, then * this method starts loading any images that are not yet being loaded. * * @param load if {@code true}, start loading * any images that are not yet being loaded * @return the bitwise inclusive <b>OR</b> of the status of * all of the media being tracked * @see java.awt.MediaTracker#statusID(int, boolean) * @see java.awt.MediaTracker#LOADING * @see java.awt.MediaTracker#ABORTED * @see java.awt.MediaTracker#ERRORED * @see java.awt.MediaTracker#COMPLETE */ public int statusAll(boolean load) { return statusAll(load, true); } private synchronized int statusAll(boolean load, boolean verify) { MediaEntry cur = head; int status = 0; while (cur != null) { status = status | cur.getStatus(load, verify); cur = cur.next; } return status; } /** * Checks to see if all images tracked by this media tracker that * are tagged with the specified identifier have finished loading. * <p> * This method does not start loading the images if they are not * already loading. * <p> * If there is an error while loading or scaling an image, then that * image is considered to have finished loading. Use the * {@code isErrorAny} or {@code isErrorID} methods to * check for errors. * @param id the identifier of the images to check * @return {@code true} if all images have finished loading, * have been aborted, or have encountered * an error; {@code false} otherwise * @see java.awt.MediaTracker#checkID(int, boolean) * @see java.awt.MediaTracker#checkAll() * @see java.awt.MediaTracker#isErrorAny() * @see java.awt.MediaTracker#isErrorID(int) */ public boolean checkID(int id) { return checkID(id, false, true); } /** * Checks to see if all images tracked by this media tracker that * are tagged with the specified identifier have finished loading. * <p> * If the value of the {@code load} flag is {@code true}, * then this method starts loading any images that are not yet * being loaded. * <p> * If there is an error while loading or scaling an image, then that * image is considered to have finished loading. Use the * {@code isErrorAny} or {@code isErrorID} methods to * check for errors. * @param id the identifier of the images to check * @param load if {@code true}, start loading any * images that are not yet being loaded * @return {@code true} if all images have finished loading, * have been aborted, or have encountered * an error; {@code false} otherwise * @see java.awt.MediaTracker#checkID(int, boolean) * @see java.awt.MediaTracker#checkAll() * @see java.awt.MediaTracker#isErrorAny() * @see java.awt.MediaTracker#isErrorID(int) */ public boolean checkID(int id, boolean load) { return checkID(id, load, true); } private synchronized boolean checkID(int id, boolean load, boolean verify) { MediaEntry cur = head; boolean done = true; while (cur != null) { if (cur.getID() == id && (cur.getStatus(load, verify) & DONE) == 0) { done = false; } cur = cur.next; } return done; } /** * Checks the error status of all of the images tracked by this * media tracker with the specified identifier. * @param id the identifier of the images to check * @return {@code true} if any of the images with the * specified identifier had an error during * loading; {@code false} otherwise * @see java.awt.MediaTracker#isErrorAny * @see java.awt.MediaTracker#getErrorsID */ public synchronized boolean isErrorID(int id) { MediaEntry cur = head; while (cur != null) { if (cur.getID() == id && (cur.getStatus(false, true) & ERRORED) != 0) { return true; } cur = cur.next; } return false; } /** * Returns a list of media with the specified ID that * have encountered an error. * @param id the identifier of the images to check * @return an array of media objects tracked by this media * tracker with the specified identifier * that have encountered an error, or * {@code null} if there are none with errors * @see java.awt.MediaTracker#isErrorID * @see java.awt.MediaTracker#isErrorAny * @see java.awt.MediaTracker#getErrorsAny */ public synchronized Object[] getErrorsID(int id) { MediaEntry cur = head; int numerrors = 0; while (cur != null) { if (cur.getID() == id && (cur.getStatus(false, true) & ERRORED) != 0) { numerrors++; } cur = cur.next; } if (numerrors == 0) { return null; } Object errors[] = new Object[numerrors]; cur = head; numerrors = 0; while (cur != null) { if (cur.getID() == id && (cur.getStatus(false, false) & ERRORED) != 0) { errors[numerrors++] = cur.getMedia(); } cur = cur.next; } return errors; } /** * Starts loading all images tracked by this media tracker with the * specified identifier. This method waits until all the images with * the specified identifier have finished loading. * <p> * If there is an error while loading or scaling an image, then that * image is considered to have finished loading. Use the * {@code isErrorAny} and {@code isErrorID} methods to * check for errors. * @param id the identifier of the images to check * @see java.awt.MediaTracker#waitForAll * @see java.awt.MediaTracker#isErrorAny() * @see java.awt.MediaTracker#isErrorID(int) * @exception InterruptedException if any thread has * interrupted this thread. */ public void waitForID(int id) throws InterruptedException { waitForID(id, 0); } /** * Starts loading all images tracked by this media tracker with the * specified identifier. This method waits until all the images with * the specified identifier have finished loading, or until the * length of time specified in milliseconds by the {@code ms} * argument has passed. * <p> * If there is an error while loading or scaling an image, then that * image is considered to have finished loading. Use the * {@code statusID}, {@code isErrorID}, and * {@code isErrorAny} methods to check for errors. * @param id the identifier of the images to check * @param ms the length of time, in milliseconds, to wait * for the loading to complete * @return {@code true} if the loading completed in time; * otherwise {@code false} * @see java.awt.MediaTracker#waitForAll * @see java.awt.MediaTracker#waitForID(int) * @see java.awt.MediaTracker#statusID * @see java.awt.MediaTracker#isErrorAny() * @see java.awt.MediaTracker#isErrorID(int) * @exception InterruptedException if any thread has * interrupted this thread. */ public synchronized boolean waitForID(int id, long ms) throws InterruptedException { long end = System.currentTimeMillis() + ms; boolean first = true; while (true) { int status = statusID(id, first, first); if ((status & LOADING) == 0) { return (status == COMPLETE); } first = false; long timeout; if (ms == 0) { timeout = 0; } else { timeout = end - System.currentTimeMillis(); if (timeout <= 0) { return false; } } wait(timeout); } } /** * Calculates and returns the bitwise inclusive <b>OR</b> of the * status of all media with the specified identifier that are * tracked by this media tracker. * <p> * Possible flags defined by the * {@code MediaTracker} class are {@code LOADING}, * {@code ABORTED}, {@code ERRORED}, and * {@code COMPLETE}. An image that hasn't started * loading has zero as its status. * <p> * If the value of {@code load} is {@code true}, then * this method starts loading any images that are not yet being loaded. * @param id the identifier of the images to check * @param load if {@code true}, start loading * any images that are not yet being loaded * @return the bitwise inclusive <b>OR</b> of the status of * all of the media with the specified * identifier that are being tracked * @see java.awt.MediaTracker#statusAll(boolean) * @see java.awt.MediaTracker#LOADING * @see java.awt.MediaTracker#ABORTED * @see java.awt.MediaTracker#ERRORED * @see java.awt.MediaTracker#COMPLETE */ public int statusID(int id, boolean load) { return statusID(id, load, true); } private synchronized int statusID(int id, boolean load, boolean verify) { MediaEntry cur = head; int status = 0; while (cur != null) { if (cur.getID() == id) { status = status | cur.getStatus(load, verify); } cur = cur.next; } return status; } /** * Removes the specified image from this media tracker. * All instances of the specified image are removed, * regardless of scale or ID. * @param image the image to be removed * @see java.awt.MediaTracker#removeImage(java.awt.Image, int) * @see java.awt.MediaTracker#removeImage(java.awt.Image, int, int, int) * @since 1.1 */ public synchronized void removeImage(Image image) { removeImageImpl(image); Image rvImage = getResolutionVariant(image); if (rvImage != null) { removeImageImpl(rvImage); } notifyAll(); // Notify in case remaining images are "done". } private void removeImageImpl(Image image) { MediaEntry cur = head; MediaEntry prev = null; while (cur != null) { MediaEntry next = cur.next; if (cur.getMedia() == image) { if (prev == null) { head = next; } else { prev.next = next; } cur.cancel(); } else { prev = cur; } cur = next; } } /** * Removes the specified image from the specified tracking * ID of this media tracker. * All instances of {@code Image} being tracked * under the specified ID are removed regardless of scale. * @param image the image to be removed * @param id the tracking ID from which to remove the image * @see java.awt.MediaTracker#removeImage(java.awt.Image) * @see java.awt.MediaTracker#removeImage(java.awt.Image, int, int, int) * @since 1.1 */ public synchronized void removeImage(Image image, int id) { removeImageImpl(image, id); Image rvImage = getResolutionVariant(image); if (rvImage != null) { removeImageImpl(rvImage, id); } notifyAll(); // Notify in case remaining images are "done". } private void removeImageImpl(Image image, int id) { MediaEntry cur = head; MediaEntry prev = null; while (cur != null) { MediaEntry next = cur.next; if (cur.getID() == id && cur.getMedia() == image) { if (prev == null) { head = next; } else { prev.next = next; } cur.cancel(); } else { prev = cur; } cur = next; } } /** * Removes the specified image with the specified * width, height, and ID from this media tracker. * Only the specified instance (with any duplicates) is removed. * @param image the image to be removed * @param id the tracking ID from which to remove the image * @param width the width to remove (-1 for unscaled) * @param height the height to remove (-1 for unscaled) * @see java.awt.MediaTracker#removeImage(java.awt.Image) * @see java.awt.MediaTracker#removeImage(java.awt.Image, int) * @since 1.1 */ public synchronized void removeImage(Image image, int id, int width, int height) { removeImageImpl(image, id, width, height); Image rvImage = getResolutionVariant(image); if (rvImage != null) { removeImageImpl(rvImage, id, width == -1 ? -1 : 2 * width, height == -1 ? -1 : 2 * height); } notifyAll(); // Notify in case remaining images are "done". } private void removeImageImpl(Image image, int id, int width, int height) { MediaEntry cur = head; MediaEntry prev = null; while (cur != null) { MediaEntry next = cur.next; if (cur.getID() == id && cur instanceof ImageMediaEntry && ((ImageMediaEntry) cur).matches(image, width, height)) { if (prev == null) { head = next; } else { prev.next = next; } cur.cancel(); } else { prev = cur; } cur = next; } } synchronized void setDone() { notifyAll(); } private static Image getResolutionVariant(Image image) { if (image instanceof MultiResolutionToolkitImage) { return ((MultiResolutionToolkitImage) image).getResolutionVariant(); } return null; } } abstract class MediaEntry { MediaTracker tracker; int ID; MediaEntry next; int status; boolean cancelled; MediaEntry(MediaTracker mt, int id) { tracker = mt; ID = id; } abstract Object getMedia(); static MediaEntry insert(MediaEntry head, MediaEntry me) { MediaEntry cur = head; MediaEntry prev = null; while (cur != null) { if (cur.ID > me.ID) { break; } prev = cur; cur = cur.next; } me.next = cur; if (prev == null) { head = me; } else { prev.next = me; } return head; } int getID() { return ID; } abstract void startLoad(); void cancel() { cancelled = true; } static final int LOADING = MediaTracker.LOADING; static final int ABORTED = MediaTracker.ABORTED; static final int ERRORED = MediaTracker.ERRORED; static final int COMPLETE = MediaTracker.COMPLETE; static final int LOADSTARTED = (LOADING | ERRORED | COMPLETE); static final int DONE = (ABORTED | ERRORED | COMPLETE); synchronized int getStatus(boolean doLoad, boolean doVerify) { if (doLoad && ((status & LOADSTARTED) == 0)) { status = (status & ~ABORTED) | LOADING; startLoad(); } return status; } void setStatus(int flag) { synchronized (this) { status = flag; } tracker.setDone(); } } class ImageMediaEntry extends MediaEntry implements ImageObserver, java.io.Serializable { Image image; int width; int height; /* * JDK 1.1 serialVersionUID */ private static final long serialVersionUID = 4739377000350280650L; ImageMediaEntry(MediaTracker mt, Image img, int c, int w, int h) { super(mt, c); image = img; width = w; height = h; } boolean matches(Image img, int w, int h) { return (image == img && width == w && height == h); } Object getMedia() { return image; } synchronized int getStatus(boolean doLoad, boolean doVerify) { if (doVerify) { int flags = tracker.target.checkImage(image, width, height, null); int s = parseflags(flags); if (s == 0) { if ((status & (ERRORED | COMPLETE)) != 0) { setStatus(ABORTED); } } else if (s != status) { setStatus(s); } } return super.getStatus(doLoad, doVerify); } void startLoad() { if (tracker.target.prepareImage(image, width, height, this)) { setStatus(COMPLETE); } } int parseflags(int infoflags) { if ((infoflags & ERROR) != 0) { return ERRORED; } else if ((infoflags & ABORT) != 0) { return ABORTED; } else if ((infoflags & (ALLBITS | FRAMEBITS)) != 0) { return COMPLETE; } return 0; } public boolean imageUpdate(Image img, int infoflags, int x, int y, int w, int h) { if (cancelled) { return false; } int s = parseflags(infoflags); if (s != 0 && s != status) { setStatus(s); } return ((status & LOADING) != 0); } }
⏎ java/awt/MediaTracker.java
Or download all of them as a single archive file:
File name: java.desktop-11.0.1-src.zip File size: 7974380 bytes Release date: 2018-11-04 Download
⇒ JDK 11 java.instrument.jmod - Instrument Module
2022-08-06, 193995👍, 5💬
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