Clipboards

Clipboards.java

import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;
import java.io.IOException;
import java.io.Reader;
import java.util.List;

import com.google.common.io.CharStreams;
import org.apache.commons.lang3.function.FailableFunction;
import scenarisk.ScenariskException;

import javax.annotation.Nullable;

public class Clipboards {
    public static String getClipboardContents() throws ScenariskException {
        return getContents(CharStreams::toString);
    }

    public static List<String> getClipboardLines() throws ScenariskException {
        return getContents(CharStreams::readLines);
    }

    @Nullable
    private static <T> T getContents(FailableFunction<Reader, T, IOException> extract) throws ScenariskException {
        Transferable t = Toolkit.getDefaultToolkit().getSystemClipboard().getContents(null);
        if (t == null) {
            return null;
        }
        try {
            DataFlavor dataFlavor = DataFlavor.selectBestTextFlavor(t.getTransferDataFlavors());
            if (dataFlavor == null) {
                return null;
            }
            try (Reader reader = dataFlavor.getReaderForText(t)) {
                return extract.apply(reader);
            }
        } catch (Exception e) {
            throw new ScenariskException(e);
        }
    }
}