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package cc.polyfrost.oneconfig.utils;
import org.jetbrains.annotations.NotNull;
import java.awt.*;
import java.awt.datatransfer.*;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.nio.Buffer;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.file.Files;
/**
* Utility class for I/O operations.
*/
public final class IOUtils {
/**
* Taken from legui under MIT License
* <a href="https://github.com/SpinyOwl/legui/blob/develop/LICENSE">https://github.com/SpinyOwl/legui/blob/develop/LICENSE</a>
*/
@SuppressWarnings("RedundantCast")
public static ByteBuffer resourceToByteBuffer(String path) throws IOException {
byte[] bytes;
path = path.trim();
if (path.startsWith("http")) {
bytes = org.apache.commons.io.IOUtils.toByteArray(new URL(path));
} else {
InputStream stream;
File file = new File(path);
if (file.exists() && file.isFile()) {
stream = Files.newInputStream(file.toPath());
} else {
stream = IOUtils.class.getResourceAsStream(path);
}
if (stream == null) {
throw new FileNotFoundException(path);
}
bytes = org.apache.commons.io.IOUtils.toByteArray(stream);
}
ByteBuffer data = ByteBuffer.allocateDirect(bytes.length).order(ByteOrder.nativeOrder())
.put(bytes);
((Buffer) data).flip();
return data;
}
public static ByteBuffer resourceToByteBufferNullable(String path) {
try {
return resourceToByteBuffer(path);
} catch (Exception ignored) {
return null;
}
}
/**
* Copy the specified String to the System Clipboard.
* @param s the string to copy
*/
public static void copyStringToClipboard(String s) {
StringSelection stringSelection = new StringSelection(s);
Toolkit.getDefaultToolkit().getSystemClipboard().setContents(stringSelection, null);
}
/**
* Return the String on the system clipboard.
* @return the string on the system clipboard, or null if there is no string on the clipboard or another error occurred.
*/
public static String getStringFromClipboard() {
try {
return Toolkit.getDefaultToolkit().getSystemClipboard().getContents(null).getTransferData(DataFlavor.stringFlavor).toString();
} catch (Exception e) {
return null;
}
}
/**
* Copy the given image to the System Clipboard.
* @param image the image to copy
*/
public static void copyImageToClipboard(Image image) {
ImageSelection imageSelection = new ImageSelection(image);
Toolkit.getDefaultToolkit().getSystemClipboard().setContents(imageSelection, null);
}
/**
* Return the image on the system clipboard.
* @return the image on the system clipboard, or null if there is no image on the clipboard or another error occurred.
*/
public static Image getImageFromClipboard() {
try {
return (Image) Toolkit.getDefaultToolkit().getSystemClipboard().getContents(null).getTransferData(DataFlavor.imageFlavor);
} catch (Exception e) {
return null;
}
}
private static class ImageSelection implements Transferable {
private final Image image;
public ImageSelection(Image image) {
this.image = image;
}
@Override
public DataFlavor[] getTransferDataFlavors() {
return new DataFlavor[] {DataFlavor.imageFlavor};
}
@Override
public boolean isDataFlavorSupported(DataFlavor flavor) {
return DataFlavor.imageFlavor.equals(flavor);
}
@NotNull
@Override
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException {
if(!DataFlavor.imageFlavor.equals(flavor)) {
throw new UnsupportedFlavorException(flavor);
}
return image;
}
}
}
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