1269 
1270     /**
1271      * Returns a TIFFTag.TIFF_RATIONAL data item as a two-element array
1272      * of ints.
1273      *
1274      * @param index The index of the data.
1275      * @return The data at the given index as an unsigned rational.
1276      * @throws ClassCastException if the field is not of type
1277      * {@code TIFF_RATIONAL}.
1278      */
1279     public long[] getAsRational(int index) {
1280         return ((long[][])data)[index];
1281     }
1282 
1283 
1284     /**
1285      * Returns a {@code String} containing a human-readable
1286      * version of the data item.  Data of type
1287      * {@code TIFFTag.TIFF_RATIONAL} or {@code TIFF_SRATIONAL} are
1288      * represented as a pair of integers separated by a
1289      * {@code '/'} character.




1290      *
1291      * @param index The index of the data.
1292      * @return The data at the given index as a {@code String}.
1293      * @throws ClassCastException if the field is not of one of the
1294      * legal field types.
1295      */
1296     public String getValueAsString(int index) {
1297         switch (type) {
1298         case TIFFTag.TIFF_ASCII:
1299             return ((String[])data)[index];
1300         case TIFFTag.TIFF_BYTE:
1301         case TIFFTag.TIFF_UNDEFINED:
1302             return Integer.toString(((byte[])data)[index] & 0xff);
1303         case TIFFTag.TIFF_SBYTE:
1304             return Integer.toString(((byte[])data)[index]);
1305         case TIFFTag.TIFF_SHORT:
1306             return Integer.toString(((char[])data)[index] & 0xffff);
1307         case TIFFTag.TIFF_SSHORT:
1308             return Integer.toString(((short[])data)[index]);
1309         case TIFFTag.TIFF_SLONG:

1269 
1270     /**
1271      * Returns a TIFFTag.TIFF_RATIONAL data item as a two-element array
1272      * of ints.
1273      *
1274      * @param index The index of the data.
1275      * @return The data at the given index as an unsigned rational.
1276      * @throws ClassCastException if the field is not of type
1277      * {@code TIFF_RATIONAL}.
1278      */
1279     public long[] getAsRational(int index) {
1280         return ((long[][])data)[index];
1281     }
1282 
1283 
1284     /**
1285      * Returns a {@code String} containing a human-readable
1286      * version of the data item.  Data of type
1287      * {@code TIFFTag.TIFF_RATIONAL} or {@code TIFF_SRATIONAL} are
1288      * represented as a pair of integers separated by a
1289      * {@code '/'} character.  If the numerator of a
1290      * {@code TIFFTag.TIFF_RATIONAL} or {@code TIFF_SRATIONAL} is an integral
1291      * multiple of the denominator, then the value is represented as
1292      * {@code "q/1"} where {@code q} is the quotient of the numerator and
1293      * denominator.
1294      *
1295      * @param index The index of the data.
1296      * @return The data at the given index as a {@code String}.
1297      * @throws ClassCastException if the field is not of one of the
1298      * legal field types.
1299      */
1300     public String getValueAsString(int index) {
1301         switch (type) {
1302         case TIFFTag.TIFF_ASCII:
1303             return ((String[])data)[index];
1304         case TIFFTag.TIFF_BYTE:
1305         case TIFFTag.TIFF_UNDEFINED:
1306             return Integer.toString(((byte[])data)[index] & 0xff);
1307         case TIFFTag.TIFF_SBYTE:
1308             return Integer.toString(((byte[])data)[index]);
1309         case TIFFTag.TIFF_SHORT:
1310             return Integer.toString(((char[])data)[index] & 0xffff);
1311         case TIFFTag.TIFF_SSHORT:
1312             return Integer.toString(((short[])data)[index]);
1313         case TIFFTag.TIFF_SLONG: