mirror of
https://github.com/HDFGroup/hdf5.git
synced 2026-09-25 04:09:44 +03:00
Allen Byrne
b754dcb8f2
FFM build requires Java 25, Jextract 25. Generates FFM bindings during configure. JNI is default when the requirements are not met or can be forced. Presets added for maven and FFM - JNI is default selection. Enhanced Maven options will work with either JNI or FFM New Workflows for testing and maven uploads. Extensive documentation changes for java.
65 lines
2.3 KiB
Java
65 lines
2.3 KiB
Java
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the LICENSE file, which can be found at the root of the source code *
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* distribution tree, or in https://www.hdfgroup.org/licenses. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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import static org.hdfgroup.javahdf5.hdf5_h.*;
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import java.lang.foreign.Arena;
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import java.lang.foreign.MemorySegment;
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import java.lang.foreign.ValueLayout;
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/**
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* <p>
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* Title: HDF Native Package (Java) Example
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* </p>
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* <p>
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* Description: This example shows how to create an empty HDF5 file using the
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* "HDF Native Package (Java)". If the file (H5FileCreate.h5) already exists, it
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* will be truncated to zero length.
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* </p>
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*/
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public class HDF5FileCreate {
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// The name of the file we'll create.
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private static String fname = "HDF5FileCreate.h5";
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private static void CreateFile(Arena arena)
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{
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long file_id = H5I_INVALID_HID();
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// Create a new file using default properties.
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try {
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file_id = H5Fcreate(arena.allocateFrom(fname), H5F_ACC_TRUNC(), H5P_DEFAULT(), H5P_DEFAULT());
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}
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catch (Exception e) {
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e.printStackTrace();
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System.err.println("Failed to create file:" + fname);
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return;
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}
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// Close the file.
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try {
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if (file_id >= 0)
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H5Fclose(file_id);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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}
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public static void main(String[] args)
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{
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try (Arena arena = Arena.ofConfined()) {
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HDF5FileCreate.CreateFile(arena);
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}
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}
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}
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