DataTransferer.java 文件源码

/**
 * Returns a Set of all DataFlavors for which
 * 1) a mapping from at least one of the specified formats exists in the
 * specified map and
 * 2) the data translation for this mapping can be performed by the data
 * transfer subsystem.
 *
 * @param formats the data formats
 * @param map the FlavorTable which contains mappings between
 *            DataFlavors and data formats
 * @throws NullPointerException if formats or map is {@code null}
 */
public Set<DataFlavor> getFlavorsForFormatsAsSet(long[] formats, FlavorTable map) {
    Set<DataFlavor> flavorSet = new HashSet<>(formats.length);

    for (long format : formats) {
        List<DataFlavor> flavors = map.getFlavorsForNative(getNativeForFormat(format));
        for (DataFlavor flavor : flavors) {
            // Don't explicitly test for String, since it is just a special
            // case of Serializable
            if (flavor.isFlavorTextType() ||
                    flavor.isFlavorJavaFileListType() ||
                    DataFlavor.imageFlavor.equals(flavor) ||
                    flavor.isRepresentationClassSerializable() ||
                    flavor.isRepresentationClassInputStream() ||
                    flavor.isRepresentationClassRemote()) {
                flavorSet.add(flavor);
            }
        }
    }

    return flavorSet;
}