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author | Allen Byrne <50328838+byrnHDF@users.noreply.github.com> | 2022-04-26 01:32:50 (GMT) |
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committer | GitHub <noreply@github.com> | 2022-04-26 01:32:50 (GMT) |
commit | 41a36efde14a1db65cc8be0ef9de1ec41fe86ed6 (patch) | |
tree | 645c2a1b8d6eecc141cd0a063a3974bfdaaa8abe /java/examples/datasets/H5Ex_D_Nbit.java | |
parent | d19d9b4c8ace3c712cc8126e37f2a7e3ff68e8a9 (diff) | |
download | hdf5-41a36efde14a1db65cc8be0ef9de1ec41fe86ed6.zip hdf5-41a36efde14a1db65cc8be0ef9de1ec41fe86ed6.tar.gz hdf5-41a36efde14a1db65cc8be0ef9de1ec41fe86ed6.tar.bz2 |
Add java to format source (#1690)
Diffstat (limited to 'java/examples/datasets/H5Ex_D_Nbit.java')
-rw-r--r-- | java/examples/datasets/H5Ex_D_Nbit.java | 113 |
1 files changed, 58 insertions, 55 deletions
diff --git a/java/examples/datasets/H5Ex_D_Nbit.java b/java/examples/datasets/H5Ex_D_Nbit.java index 35d23a9..d54ce21 100644 --- a/java/examples/datasets/H5Ex_D_Nbit.java +++ b/java/examples/datasets/H5Ex_D_Nbit.java @@ -29,45 +29,46 @@ import hdf.hdf5lib.H5; import hdf.hdf5lib.HDF5Constants; public class H5Ex_D_Nbit { - private static String FILENAME = "H5Ex_D_Nbit.h5"; + private static String FILENAME = "H5Ex_D_Nbit.h5"; private static String DATASETNAME = "DS1"; - private static final int DIM_X = 32; - private static final int DIM_Y = 64; - private static final int CHUNK_X = 4; - private static final int CHUNK_Y = 8; - private static final int RANK = 2; - private static final int NDIMS = 2; + private static final int DIM_X = 32; + private static final int DIM_Y = 64; + private static final int CHUNK_X = 4; + private static final int CHUNK_Y = 8; + private static final int RANK = 2; + private static final int NDIMS = 2; // Values for the status of space allocation enum H5Z_filter { - H5Z_FILTER_ERROR(HDF5Constants.H5Z_FILTER_ERROR), H5Z_FILTER_NONE(HDF5Constants.H5Z_FILTER_NONE), H5Z_FILTER_DEFLATE( - HDF5Constants.H5Z_FILTER_DEFLATE), H5Z_FILTER_SHUFFLE(HDF5Constants.H5Z_FILTER_SHUFFLE), H5Z_FILTER_FLETCHER32( - HDF5Constants.H5Z_FILTER_FLETCHER32), H5Z_FILTER_SZIP(HDF5Constants.H5Z_FILTER_SZIP), H5Z_FILTER_NBIT( - HDF5Constants.H5Z_FILTER_NBIT), H5Z_FILTER_SCALEOFFSET(HDF5Constants.H5Z_FILTER_SCALEOFFSET), H5Z_FILTER_RESERVED( - HDF5Constants.H5Z_FILTER_RESERVED), H5Z_FILTER_MAX(HDF5Constants.H5Z_FILTER_MAX); + H5Z_FILTER_ERROR(HDF5Constants.H5Z_FILTER_ERROR), + H5Z_FILTER_NONE(HDF5Constants.H5Z_FILTER_NONE), + H5Z_FILTER_DEFLATE(HDF5Constants.H5Z_FILTER_DEFLATE), + H5Z_FILTER_SHUFFLE(HDF5Constants.H5Z_FILTER_SHUFFLE), + H5Z_FILTER_FLETCHER32(HDF5Constants.H5Z_FILTER_FLETCHER32), + H5Z_FILTER_SZIP(HDF5Constants.H5Z_FILTER_SZIP), + H5Z_FILTER_NBIT(HDF5Constants.H5Z_FILTER_NBIT), + H5Z_FILTER_SCALEOFFSET(HDF5Constants.H5Z_FILTER_SCALEOFFSET), + H5Z_FILTER_RESERVED(HDF5Constants.H5Z_FILTER_RESERVED), + H5Z_FILTER_MAX(HDF5Constants.H5Z_FILTER_MAX); private static final Map<Integer, H5Z_filter> lookup = new HashMap<Integer, H5Z_filter>(); - static { + static + { for (H5Z_filter s : EnumSet.allOf(H5Z_filter.class)) lookup.put(s.getCode(), s); } private int code; - H5Z_filter(int layout_type) { - this.code = layout_type; - } + H5Z_filter(int layout_type) { this.code = layout_type; } - public int getCode() { - return this.code; - } + public int getCode() { return this.code; } - public static H5Z_filter get(int code) { - return lookup.get(code); - } + public static H5Z_filter get(int code) { return lookup.get(code); } } - private static boolean checkNbitFilter() { + private static boolean checkNbitFilter() + { try { // Check if N-Bit compression is available and can be used for both compression and decompression. int available = H5.H5Zfilter_avail(HDF5Constants.H5Z_FILTER_NBIT); @@ -82,8 +83,8 @@ public class H5Ex_D_Nbit { try { int filter_info = H5.H5Zget_filter_info(HDF5Constants.H5Z_FILTER_NBIT); - if (((filter_info & HDF5Constants.H5Z_FILTER_CONFIG_ENCODE_ENABLED) == 0) - || ((filter_info & HDF5Constants.H5Z_FILTER_CONFIG_DECODE_ENABLED) == 0)) { + if (((filter_info & HDF5Constants.H5Z_FILTER_CONFIG_ENCODE_ENABLED) == 0) || + ((filter_info & HDF5Constants.H5Z_FILTER_CONFIG_DECODE_ENABLED) == 0)) { System.out.println("N-Bit filter not available for encoding and decoding."); return false; } @@ -94,14 +95,15 @@ public class H5Ex_D_Nbit { return true; } - private static void writeData() throws Exception { - long file_id = HDF5Constants.H5I_INVALID_HID; + private static void writeData() throws Exception + { + long file_id = HDF5Constants.H5I_INVALID_HID; long filespace_id = HDF5Constants.H5I_INVALID_HID; - long dataset_id = HDF5Constants.H5I_INVALID_HID; - long dtype_id = HDF5Constants.H5I_INVALID_HID; - long dcpl_id = HDF5Constants.H5I_INVALID_HID; - long[] dims = { DIM_X, DIM_Y }; - long[] chunk_dims = { CHUNK_X, CHUNK_Y }; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long dtype_id = HDF5Constants.H5I_INVALID_HID; + long dcpl_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM_X, DIM_Y}; + long[] chunk_dims = {CHUNK_X, CHUNK_Y}; int[][] dset_data = new int[DIM_X][DIM_Y]; // Initialize data. @@ -112,7 +114,7 @@ public class H5Ex_D_Nbit { try { // Create a new file using the default properties. file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, - HDF5Constants.H5P_DEFAULT); + HDF5Constants.H5P_DEFAULT); // Create dataspace. Setting maximum size to NULL sets the maximum // size to be the current size. @@ -130,12 +132,12 @@ public class H5Ex_D_Nbit { H5.H5Pset_chunk(dcpl_id, NDIMS, chunk_dims); // Create the dataset. - dataset_id = H5.H5Dcreate(file_id, DATASETNAME, dtype_id, filespace_id, HDF5Constants.H5P_DEFAULT, dcpl_id, - HDF5Constants.H5P_DEFAULT); + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, dtype_id, filespace_id, HDF5Constants.H5P_DEFAULT, + dcpl_id, HDF5Constants.H5P_DEFAULT); // Write the data to the dataset. - H5.H5Dwrite(dataset_id, HDF5Constants.H5T_NATIVE_INT, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL, - HDF5Constants.H5P_DEFAULT, dset_data); + H5.H5Dwrite(dataset_id, HDF5Constants.H5T_NATIVE_INT, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); } catch (Exception e) { e.printStackTrace(); @@ -155,10 +157,11 @@ public class H5Ex_D_Nbit { } } - private static void readData() throws Exception { - long file_id = HDF5Constants.H5I_INVALID_HID; - long dataset_id = HDF5Constants.H5I_INVALID_HID; - long dcpl_id = HDF5Constants.H5I_INVALID_HID; + private static void readData() throws Exception + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long dcpl_id = HDF5Constants.H5I_INVALID_HID; int[][] dset_data = new int[DIM_X][DIM_Y]; // Open an existing file. @@ -192,14 +195,14 @@ public class H5Ex_D_Nbit { try { if (dcpl_id >= 0) { // Java lib requires a valid filter_name object and cd_values - int[] flags = { 0 }; - long[] cd_nelmts = { 1 }; - int[] cd_values = { 0 }; - String[] filter_name = { "" }; - int[] filter_config = { 0 }; - int filter_type = -1; - filter_type = H5 - .H5Pget_filter(dcpl_id, 0, flags, cd_nelmts, cd_values, 120, filter_name, filter_config); + int[] flags = {0}; + long[] cd_nelmts = {1}; + int[] cd_values = {0}; + String[] filter_name = {""}; + int[] filter_config = {0}; + int filter_type = -1; + filter_type = H5.H5Pget_filter(dcpl_id, 0, flags, cd_nelmts, cd_values, 120, filter_name, + filter_config); System.out.print("Filter type is: "); switch (H5Z_filter.get(filter_type)) { case H5Z_FILTER_DEFLATE: @@ -234,7 +237,7 @@ public class H5Ex_D_Nbit { try { if (dataset_id >= 0) { int status = H5.H5Dread(dataset_id, HDF5Constants.H5T_NATIVE_INT, HDF5Constants.H5S_ALL, - HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); // Check if the read was successful. if (status < 0) System.out.print("Dataset read failed!"); @@ -280,14 +283,14 @@ public class H5Ex_D_Nbit { catch (Exception e) { e.printStackTrace(); } - } - public static void main(String[] args) { + public static void main(String[] args) + { /* - * Check if N-Bit compression is available and can be used for both compression and decompression. Normally we - * do not perform error checking in these examples for the sake of clarity, but in this case we will make an - * exception because this filter is an optional part of the hdf5 library. + * Check if N-Bit compression is available and can be used for both compression and decompression. + * Normally we do not perform error checking in these examples for the sake of clarity, but in this + * case we will make an exception because this filter is an optional part of the hdf5 library. */ try { if (H5Ex_D_Nbit.checkNbitFilter()) { |