// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.gui.datatransfer.importers;
import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.io.IOException;
import java.util.Map;
import javax.swing.TransferHandler.TransferSupport;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.tools.TextTagParser;
/**
* This transfer support allows us to import tags from the text that was copied to the clipboard.
* @author Michael Zangl
* @since 10604
*/
public final class TextTagPaster extends AbstractTagPaster {
private static final String help = ht("/Action/PasteTags");
/**
* Create a new {@link TextTagPaster}
*/
public TextTagPaster() {
super(DataFlavor.stringFlavor);
}
@Override
public boolean supports(TransferSupport support) {
try {
return super.supports(support) && containsValidTags(support);
} catch (UnsupportedFlavorException | IOException e) {
Main.warn(e);
return false;
}
}
private boolean containsValidTags(TransferSupport support) throws UnsupportedFlavorException, IOException {
return !getTagsImpl(support).isEmpty();
}
@Override
protected Map<String, String> getTags(TransferSupport support) throws UnsupportedFlavorException, IOException {
Map<String, String> tags = getTagsImpl(support);
if (tags.isEmpty()) {
TextTagParser.showBadBufferMessage(help);
throw new IOException("Invalid tags to paste.");
}
if (!TextTagParser.validateTags(tags)) {
throw new IOException("Tags to paste are not valid.");
}
return tags;
}
private Map<String, String> getTagsImpl(TransferSupport support) throws UnsupportedFlavorException, IOException {
return TextTagParser.readTagsFromText((String) support.getTransferable().getTransferData(df));
}
}