DataTransferer.java 文件源码

/**
 * Returns a Map whose keys are all of the possible formats into which the
 * Transferable's transfer data flavors can be translated. The value of
 * each key is the DataFlavor in which the Transferable's data should be
 * requested when converting to the format.
 * <p>
 * The map keys are sorted according to the native formats preference
 * order.
 */
public SortedMap<Long,DataFlavor> getFormatsForTransferable(Transferable contents,
                                                            FlavorTable map)
{
    DataFlavor[] flavors = contents.getTransferDataFlavors();
    if (flavors == null) {
        return Collections.emptySortedMap();
    }
    return getFormatsForFlavors(flavors, map);
}