Hello Hao
Thanks for starting the work on Landsat metadata [1]. I suggest to omit
the boolean argument in the 'getValue(boolean, String)' method since
that boolean is unused. It was previously used for controlling whether a
metadata should be considered mandatory or not, but I think that all
metadata are considered optional for this work. We would let the caller
decide which metadata are important for them.
As a side note, its look like that the formatting of 'getInfos()' and
'getDates()' methods need to be realigned?
Martin
[1]
https://github.com/haonguyen123/sis/tree/JDK8/storage/sis-geotiff/src/main/java/org/apache/sis/storage/geotiff
