/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * Copyright by the Board of Trustees of the University of Illinois. * * All rights reserved. * * * * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * * the LICENSE file, which can be found at the root of the source code * * distribution tree, or in https://www.hdfgroup.org/licenses. * * If you do not have access to either file, you may request a copy from * * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ import static org.hdfgroup.javahdf5.hdf5_h.*; import java.lang.foreign.Arena; import java.lang.foreign.MemorySegment; import java.lang.foreign.ValueLayout; /** *
* Title: HDF Native Package (Java) Example *
** Description: This example shows how to create an empty HDF5 file using the * "HDF Native Package (Java)". If the file (H5FileCreate.h5) already exists, it * will be truncated to zero length. *
*/ public class HDF5FileCreate { // The name of the file we'll create. private static String fname = "HDF5FileCreate.h5"; private static void CreateFile(Arena arena) { long file_id = H5I_INVALID_HID(); // Create a new file using default properties. try { file_id = H5Fcreate(arena.allocateFrom(fname), H5F_ACC_TRUNC(), H5P_DEFAULT(), H5P_DEFAULT()); } catch (Exception e) { e.printStackTrace(); System.err.println("Failed to create file:" + fname); return; } // Close the file. try { if (file_id >= 0) H5Fclose(file_id); } catch (Exception e) { e.printStackTrace(); } } public static void main(String[] args) { try (Arena arena = Arena.ofConfined()) { HDF5FileCreate.CreateFile(arena); } } }