Merge pull request #1396 in HDFFV/hdf5 from ~BYRN/hdf5_adb:develop to develop

* commit 'f9e9c1ad0eeabce09b2f8613427b83daebbf8cb0':
  HDFFV-10664 Add new functions and constants to java interface

13 files changed, 655 insertions, 54 deletions

diff --git a/MANIFEST b/MANIFEST
index d840e73..c3c7ffc 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -2884,6 +2884,8 @@
 ./java/src/jni/h5sImp.h
 ./java/src/jni/h5tImp.c
 ./java/src/jni/h5tImp.h
+./java/src/jni/h5vlImp.c
+./java/src/jni/h5vlImp.h
 ./java/src/jni/h5zImp.c
 ./java/src/jni/h5zImp.h
 
@@ -3122,6 +3124,7 @@
 ./java/test/testfiles/JUnit-TestH5Tparams.txt
 ./java/test/testfiles/JUnit-TestH5Tbasic.txt
 ./java/test/testfiles/JUnit-TestH5T.txt
+./java/test/testfiles/JUnit-TestH5VL.txt
 ./java/test/testfiles/JUnit-TestH5Z.txt
 ./java/test/h5ex_g_iterate.orig
 ./java/test/TestH5.java
@@ -3159,6 +3162,7 @@
 ./java/test/TestH5Tparams.java
 ./java/test/TestH5Tbasic.java
 ./java/test/TestH5T.java
+./java/test/TestH5VL.java
 ./java/test/TestH5Z.java
 ./java/test/TestAll.java
 
diff --git a/java/src/hdf/hdf5lib/H5.java b/java/src/hdf/hdf5lib/H5.java
index bce0034..e354207 100644
--- a/java/src/hdf/hdf5lib/H5.java
+++ b/java/src/hdf/hdf5lib/H5.java
@@ -499,9 +499,9 @@ public class H5 implements java.io.Serializable {
     private synchronized static native boolean H5is_library_threadsafe();
 
     // /////// unimplemented ////////
-    // H5_DLL herr_t H5free_memory(void *mem);
-    // H5_DLL void *H5allocate_memory(size_t size, hbool_t clear);
-    // H5_DLL void *H5resize_memory(void *mem, size_t size);
+    //  herr_t H5free_memory(void *mem);
+    //  void *H5allocate_memory(size_t size, hbool_t clear);
+    //  void *H5resize_memory(void *mem, size_t size);
 
     // ////////////////////////////////////////////////////////////
     // //
@@ -2402,10 +2402,10 @@ public class H5 implements java.io.Serializable {
     public synchronized static native void H5Drefresh(long dset_id) throws HDF5LibraryException;
 
     // /////// unimplemented ////////
-    // H5_DLL herr_t H5Ddebug(hid_t dset_id);
-    // H5_DLL herr_t H5Dget_chunk_storage_size(hid_t dset_id, const hsize_t *offset, hsize_t *chunk_bytes);
-    // H5_DLL herr_t H5Dformat_convert(hid_t dset_id);
-    // H5_DLL herr_t H5Dget_chunk_index_type(hid_t did, H5D_chunk_index_t *idx_type);
+    //  herr_t H5Ddebug(hid_t dset_id);
+    //  herr_t H5Dget_chunk_storage_size(hid_t dset_id, const hsize_t *offset, hsize_t *chunk_bytes);
+    //  herr_t H5Dformat_convert(hid_t dset_id);
+    //  herr_t H5Dget_chunk_index_type(hid_t did, H5D_chunk_index_t *idx_type);
 
     // herr_t H5Dgather(hid_t src_space_id, const void *src_buf, hid_t type_id,
     //                  size_t dst_buf_size, void *dst_buf, H5D_gather_func_t op, void *op_data);
@@ -3230,20 +3230,20 @@ public class H5 implements java.io.Serializable {
             throws HDF5LibraryException, NullPointerException;
 
     // /////// unimplemented ////////
-    // H5_DLL herr_t H5Fget_eoa(hid_t file_id, haddr_t *eoa);
-    // H5_DLL herr_t H5Fincrement_filesize(hid_t file_id, hsize_t increment);
+    //  herr_t H5Fget_eoa(hid_t file_id, haddr_t *eoa);
+    //  herr_t H5Fincrement_filesize(hid_t file_id, hsize_t increment);
     // ssize_t H5Fget_file_image(hid_t file_id, void * buf_ptr, size_t buf_len);
     // herr_t H5Fget_metadata_read_retry_info(hid_t file_id, H5F_retry_info_t *info);
     // ssize_t H5Fget_free_sections(hid_t file_id, H5F_mem_t type, size_t nsects, H5F_sect_info_t *sect_info/*out*/);
-    // H5_DLL herr_t H5Fset_libver_bounds(hid_t file_id, H5F_libver_t low, H5F_libver_t high);
-    // H5_DLL herr_t H5Fformat_convert(hid_t fid);
-    // H5_DLL herr_t H5Freset_page_buffering_stats(hid_t file_id);
-    // H5_DLL herr_t H5Fget_page_buffering_stats(hid_t file_id, unsigned accesses[2],
+    //  herr_t H5Fset_libver_bounds(hid_t file_id, H5F_libver_t low, H5F_libver_t high);
+    //  herr_t H5Fformat_convert(hid_t fid);
+    //  herr_t H5Freset_page_buffering_stats(hid_t file_id);
+    //  herr_t H5Fget_page_buffering_stats(hid_t file_id, unsigned accesses[2],
     //     unsigned hits[2], unsigned misses[2], unsigned evictions[2], unsigned bypasses[2]);
-    // H5_DLL herr_t H5Fget_mdc_image_info(hid_t file_id, haddr_t *image_addr, hsize_t *image_size);
+    //  herr_t H5Fget_mdc_image_info(hid_t file_id, haddr_t *image_addr, hsize_t *image_size);
     // #ifdef H5_HAVE_PARALLEL
-    //   H5_DLL herr_t H5Fset_mpi_atomicity(hid_t file_id, hbool_t flag);
-    //   H5_DLL herr_t H5Fget_mpi_atomicity(hid_t file_id, hbool_t *flag);
+    //    herr_t H5Fset_mpi_atomicity(hid_t file_id, hbool_t flag);
+    //    herr_t H5Fget_mpi_atomicity(hid_t file_id, hbool_t *flag);
     // #endif /* H5_HAVE_PARALLEL */
 
     // /**
@@ -3303,25 +3303,25 @@ public class H5 implements java.io.Serializable {
     // ////////////////////////////////////////////////////////////
 
     // /////// unimplemented ////////
-    // H5_DLL hid_t H5FDregister(const H5FD_class_t *cls);
-    // H5_DLL herr_t H5FDunregister(hid_t driver_id);
-    // H5_DLL H5FD_t *H5FDopen(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr);
-    // H5_DLL herr_t H5FDclose(H5FD_t *file);
-    // H5_DLL int H5FDcmp(const H5FD_t *f1, const H5FD_t *f2);
-    // H5_DLL int H5FDquery(const H5FD_t *f, unsigned long *flags);
-    // H5_DLL haddr_t H5FDalloc(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, hsize_t size);
-    // H5_DLL herr_t H5FDfree(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, hsize_t size);
-    // H5_DLL haddr_t H5FDget_eoa(H5FD_t *file, H5FD_mem_t type);
-    // H5_DLL herr_t H5FDset_eoa(H5FD_t *file, H5FD_mem_t type, haddr_t eoa);
-    // H5_DLL haddr_t H5FDget_eof(H5FD_t *file, H5FD_mem_t type);
-    // H5_DLL herr_t H5FDget_vfd_handle(H5FD_t *file, hid_t fapl, void**file_handle);
-    // H5_DLL herr_t H5FDread(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size, void *buf/*out*/);
-    // H5_DLL herr_t H5FDwrite(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size, const void *buf);
-    // H5_DLL herr_t H5FDflush(H5FD_t *file, hid_t dxpl_id, hbool_t closing);
-    // H5_DLL herr_t H5FDtruncate(H5FD_t *file, hid_t dxpl_id, hbool_t closing);
-    // H5_DLL herr_t H5FDlock(H5FD_t *file, hbool_t rw);
-    // H5_DLL herr_t H5FDunlock(H5FD_t *file);
-    // H5_DLL herr_t H5FDdriver_query(hid_t driver_id, unsigned long *flags/*out*/);
+    //  hid_t H5FDregister(const H5FD_class_t *cls);
+    //  herr_t H5FDunregister(hid_t driver_id);
+    //  H5FD_t *H5FDopen(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr);
+    //  herr_t H5FDclose(H5FD_t *file);
+    //  int H5FDcmp(const H5FD_t *f1, const H5FD_t *f2);
+    //  int H5FDquery(const H5FD_t *f, unsigned long *flags);
+    //  haddr_t H5FDalloc(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, hsize_t size);
+    //  herr_t H5FDfree(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, hsize_t size);
+    //  haddr_t H5FDget_eoa(H5FD_t *file, H5FD_mem_t type);
+    //  herr_t H5FDset_eoa(H5FD_t *file, H5FD_mem_t type, haddr_t eoa);
+    //  haddr_t H5FDget_eof(H5FD_t *file, H5FD_mem_t type);
+    //  herr_t H5FDget_vfd_handle(H5FD_t *file, hid_t fapl, void**file_handle);
+    //  herr_t H5FDread(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size, void *buf/*out*/);
+    //  herr_t H5FDwrite(H5FD_t *file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size, const void *buf);
+    //  herr_t H5FDflush(H5FD_t *file, hid_t dxpl_id, hbool_t closing);
+    //  herr_t H5FDtruncate(H5FD_t *file, hid_t dxpl_id, hbool_t closing);
+    //  herr_t H5FDlock(H5FD_t *file, hbool_t rw);
+    //  herr_t H5FDunlock(H5FD_t *file);
+    //  herr_t H5FDdriver_query(hid_t driver_id, unsigned long *flags/*out*/);
 
     // ////////////////////////////////////////////////////////////
     // //
@@ -3794,7 +3794,7 @@ public class H5 implements java.io.Serializable {
 
     // ////////////////////////////////////////////////////////////
     // //
-    // H5I: HDF5 1.8 Identifier Interface API Functions //
+    // H5I: HDF5 Identifier Interface API Functions //
     // //
     // ////////////////////////////////////////////////////////////
 
@@ -3950,12 +3950,20 @@ public class H5 implements java.io.Serializable {
 
     // hid_t H5Iregister(H5I_type_t type, const void *object);
 
+    // typedef herr_t (*H5I_free_t)(void *);
     // H5I_type_t H5Iregister_type(size_t hash_size, unsigned reserved, H5I_free_t free_func);
 
     // void *H5Iremove_verify(hid_t id, H5I_type_t id_type);
 
+    // Type of the function to compare objects & keys
+    // typedef int (*H5I_search_func_t)(void *obj, hid_t id, void *key);
     // void *H5Isearch(H5I_type_t type, H5I_search_func_t func, void *key);
 
+    // Type of the H5Iiterate callback function
+    // typedef herr_t (*H5I_iterate_func_t)(hid_t id, void *udata);
+    // herr_t H5Iiterate(H5I_type_t type, H5I_iterate_func_t op, void *op_data);
+
+
     // //////////////////////////////////////////////////////////////////
     // H5L: Link Interface Functions //
     // //////////////////////////////////////////////////////////////////
@@ -4983,9 +4991,9 @@ public class H5 implements java.io.Serializable {
     public synchronized static native void H5Orefresh(long object_id) throws HDF5LibraryException;
 
     // /////// unimplemented ////////
-    // H5_DLL herr_t H5Odisable_mdc_flushes(hid_t object_id);
-    // H5_DLL herr_t H5Oenable_mdc_flushes(hid_t object_id);
-    // H5_DLL herr_t H5Oare_mdc_flushes_disabled(hid_t object_id, hbool_t *are_disabled);
+    //  herr_t H5Odisable_mdc_flushes(hid_t object_id);
+    //  herr_t H5Oenable_mdc_flushes(hid_t object_id);
+    //  herr_t H5Oare_mdc_flushes_disabled(hid_t object_id, hbool_t *are_disabled);
 
     // ////////////////////////////////////////////////////////////
     // //
@@ -5270,6 +5278,27 @@ public class H5 implements java.io.Serializable {
 
     private synchronized static native long _H5Pcopy(long plist) throws HDF5LibraryException;
 
+    // Define property list class callback function pointer types
+    // typedef herr_t (*H5P_cls_create_func_t)(hid_t prop_id, void *create_data);
+    // typedef herr_t (*H5P_cls_copy_func_t)(hid_t new_prop_id, hid_t old_prop_id, void *copy_data);
+    // typedef herr_t (*H5P_cls_close_func_t)(hid_t prop_id, void *close_data);
+
+    // Define property list callback function pointer types
+    // typedef herr_t (*H5P_prp_cb1_t)(const char *name, size_t size, void *value);
+    // typedef herr_t (*H5P_prp_cb2_t)(hid_t prop_id, const char *name, size_t size, void *value);
+    // typedef H5P_prp_cb1_t H5P_prp_create_func_t;
+    // typedef H5P_prp_cb2_t H5P_prp_set_func_t;
+    // typedef H5P_prp_cb2_t H5P_prp_get_func_t;
+    // typedef herr_t (*H5P_prp_encode_func_t)(const void *value, void **buf, size_t *size);
+    // typedef herr_t (*H5P_prp_decode_func_t)(const void **buf, void *value);
+    // typedef H5P_prp_cb2_t H5P_prp_delete_func_t;
+    // typedef H5P_prp_cb1_t H5P_prp_copy_func_t;
+    // typedef int (*H5P_prp_compare_func_t)(const void *value1, const void *value2, size_t size);
+    // typedef H5P_prp_cb1_t H5P_prp_close_func_t;
+
+    // Define property list iteration function type
+    // typedef herr_t (*H5P_iterate_t)(hid_t id, const char *name, void *iter_data);
+
     public static long H5Pcreate_class_nocb(long parent_class, String name) throws HDF5LibraryException {
         long id = _H5Pcreate_class_nocb(parent_class, name);
           if (id > 0) {
@@ -6433,6 +6462,11 @@ public class H5 implements java.io.Serializable {
     public synchronized static native void H5Pset_evict_on_close(long fapl_id, boolean evict_on_close)
             throws HDF5LibraryException;
 
+    //  /////  unimplemented /////
+    // herr_t H5Pset_vol(hid_t plist_id, hid_t new_vol_id, const void *new_vol_info);
+    // herr_t H5Pget_vol_id(hid_t plist_id, hid_t *vol_id);
+    // herr_t H5Pget_vol_info(hid_t plist_id, void **vol_info);
+
     // Dataset creation property list (DCPL) routines //
 
     /**
@@ -7811,13 +7845,13 @@ public class H5 implements java.io.Serializable {
     // herr_t H5Pget_core_write_tracking(hid_t fapl_id, hbool_t *is_enabled, size_t *page_size);
     // #ifdef H5_HAVE_PARALLEL
     // herr_t H5Pset_all_coll_metadata_ops(hid_t accpl_id, hbool_t is_collective);
-    // H5_DLL herr_t H5Pget_all_coll_metadata_ops(hid_t plist_id, hbool_t *is_collective);
+    //  herr_t H5Pget_all_coll_metadata_ops(hid_t plist_id, hbool_t *is_collective);
     // herr_t H5Pset_coll_metadata_write(hid_t fapl_id, hbool_t is_collective);
     // herr_t H5Pget_coll_metadata_write(hid_t fapl_id, hbool_t *is_collective);
     // #endif /* H5_HAVE_PARALLEL */
-    // H5_DLL herr_t H5Pset_mdc_image_config(hid_t plist_id, H5AC_cache_image_config_t *config_ptr);
-    // H5_DLL herr_t H5Pget_mdc_image_config(hid_t plist_id, H5AC_cache_image_config_t *config_ptr /*out*/);
-    // H5_DLL herr_t H5Pset_page_buffer_size(hid_t plist_id, size_t buf_size, unsigned min_meta_per, unsigned min_raw_per);
+    //  herr_t H5Pset_mdc_image_config(hid_t plist_id, H5AC_cache_image_config_t *config_ptr);
+    //  herr_t H5Pget_mdc_image_config(hid_t plist_id, H5AC_cache_image_config_t *config_ptr /*out*/);
+    //  herr_t H5Pset_page_buffer_size(hid_t plist_id, size_t buf_size, unsigned min_meta_per, unsigned min_raw_per);
     // herr_t H5Pget_page_buffer_size(hid_t fapl_id, size_t *buf_size, unsigned *min_meta_perc, unsigned *min_raw_perc);
     // herr_t H5Pset_object_flush_cb (hid_t fapl_id, H5F_flush_cb_t func, void *user_data);
     // herr_t H5Pget_object_flush_cb (hid_t fapl_id, H5F_flush_cb_t *func, void **user_data);
@@ -7840,9 +7874,9 @@ public class H5 implements java.io.Serializable {
     // herr_t H5Pget_type_conv_cb(hid_t plist, H5T_conv_except_func_t *func, void **op_data)
     // herr_t H5Pset_type_conv_cb( hid_t plist, H5T_conv_except_func_t func, void *op_data)
     // #ifdef H5_HAVE_PARALLEL
-    // H5_DLL herr_t H5Pget_mpio_actual_chunk_opt_mode(hid_t plist_id, H5D_mpio_actual_chunk_opt_mode_t *actual_chunk_opt_mode);
-    // H5_DLL herr_t H5Pget_mpio_actual_io_mode(hid_t plist_id, H5D_mpio_actual_io_mode_t *actual_io_mode);
-    // H5_DLL herr_t H5Pget_mpio_no_collective_cause(hid_t plist_id, uint32_t *local_no_collective_cause, uint32_t *global_no_collective_cause);
+    //  herr_t H5Pget_mpio_actual_chunk_opt_mode(hid_t plist_id, H5D_mpio_actual_chunk_opt_mode_t *actual_chunk_opt_mode);
+    //  herr_t H5Pget_mpio_actual_io_mode(hid_t plist_id, H5D_mpio_actual_io_mode_t *actual_io_mode);
+    //  herr_t H5Pget_mpio_no_collective_cause(hid_t plist_id, uint32_t *local_no_collective_cause, uint32_t *global_no_collective_cause);
     // #endif /* H5_HAVE_PARALLEL */
 
     // Link creation property list (LCPL) routines //
@@ -8785,16 +8819,17 @@ public class H5 implements java.io.Serializable {
 
     // /////// unimplemented ////////
     // #ifdef NEW_HYPERSLAB_API
-    // H5_DLL hid_t H5Scombine_hyperslab(hid_t space_id, H5S_seloper_t op,
+    //  hid_t H5Scombine_hyperslab(hid_t space_id, H5S_seloper_t op,
     //                                  const hsize_t start[],
     //                                  const hsize_t _stride[],
     //                                  const hsize_t count[],
     //                                  const hsize_t _block[]);
-    // H5_DLL herr_t H5Sselect_select(hid_t space1_id, H5S_seloper_t op,
+    // herr_t H5Sselect_select(hid_t space1_id, H5S_seloper_t op,
     //                                  hid_t space2_id);
-    // H5_DLL hid_t H5Scombine_select(hid_t space1_id, H5S_seloper_t op,
+    // hid_t H5Scombine_select(hid_t space1_id, H5S_seloper_t op,
     //                                  hid_t space2_id);
     // #endif /* NEW_HYPERSLAB_API */
+    // herr_t H5Sselect_copy(hid_t dst_id, hid_t src_id);
 
 
 
@@ -10273,6 +10308,25 @@ public class H5 implements java.io.Serializable {
 
     // ////////////////////////////////////////////////////////////
     // //
+    // H5VL: VOL Interface Functions //
+    // //
+    // ////////////////////////////////////////////////////////////
+
+    /// VOL Connector Functionality
+    public synchronized static native long H5VLregister_connector_by_name(String connector_name, long vipl_id);
+    public synchronized static native long H5VLregister_connector_by_value(int connector_value, long vipl_id);
+    public synchronized static native boolean H5VLis_connector_registered(String name);
+    public synchronized static native long H5VLget_connector_id(String name);
+    public synchronized static native String H5VLget_connector_name(long object_id);
+    public synchronized static native void H5VLclose(long connector_id);
+    public synchronized static native void H5VLunregister_connector(long connector_id);
+
+    // /////// unimplemented ////////
+    // hid_t H5VLregister_connector(const H5VL_class_t *cls, hid_t vipl_id);
+
+
+    // ////////////////////////////////////////////////////////////
+    // //
     // H5Z: Filter Interface Functions //
     // //
     // ////////////////////////////////////////////////////////////
@@ -10283,9 +10337,9 @@ public class H5 implements java.io.Serializable {
 
     public synchronized static native int H5Zunregister(int filter) throws HDF5LibraryException, NullPointerException;
 
-}
+    // /////// unimplemented ////////
 
-// /////// unimplemented ////////
+    // herr_t H5Zregister(const void *cls);
 
-// herr_t H5Zregister(const void *cls);
+}
 
diff --git a/java/src/hdf/hdf5lib/HDF5Constants.java b/java/src/hdf/hdf5lib/HDF5Constants.java
index 0760e7f..a0c2ed6 100644
--- a/java/src/hdf/hdf5lib/HDF5Constants.java
+++ b/java/src/hdf/hdf5lib/HDF5Constants.java
@@ -195,6 +195,11 @@ public class HDF5Constants {
     public static final long H5E_WALK_UPWARD = H5E_WALK_UPWARD();
     public static final long H5E_WRITEERROR = H5E_WRITEERROR();
 
+    private static final int H5ES_STATUS_IN_PROGRESS = H5ES_STATUS_IN_PROGRESS();
+    private static final int H5ES_STATUS_SUCCEED = H5ES_STATUS_SUCCEED();
+    private static final int H5ES_STATUS_FAIL = H5ES_STATUS_FAIL();
+    private static final int H5ES_STATUS_CANCELED = H5ES_STATUS_CANCELED();
+
     public static final int H5F_ACC_CREAT = H5F_ACC_CREAT();
     public static final int H5F_ACC_EXCL = H5F_ACC_EXCL();
     public static final int H5F_ACC_RDONLY = H5F_ACC_RDONLY();
@@ -389,7 +394,10 @@ public class HDF5Constants {
 
     public static final int H5PL_TYPE_ERROR = H5PL_TYPE_ERROR();
     public static final int H5PL_TYPE_FILTER = H5PL_TYPE_FILTER();
+    public static final int H5PL_TYPE_VOL = H5PL_TYPE_VOL();
+    public static final int H5PL_TYPE_NONE = H5PL_TYPE_NONE();
     public static final int H5PL_FILTER_PLUGIN = H5PL_FILTER_PLUGIN();
+    public static final int H5PL_VOL_PLUGIN = H5PL_VOL_PLUGIN();
     public static final int H5PL_ALL_PLUGIN = H5PL_ALL_PLUGIN();
 
     public static final int H5R_BADTYPE = H5R_BADTYPE();
@@ -625,6 +633,18 @@ public class HDF5Constants {
     public static final long H5T_VARIABLE = H5T_VARIABLE();
     public static final int H5T_VLEN = H5T_VLEN();
     public static final int H5T_VL_T = H5T_VL_T();
+
+    public static final int H5VL_CAP_FLAG_NONE = H5VL_CAP_FLAG_NONE();
+    public static final int H5VL_CAP_FLAG_THREADSAFE = H5VL_CAP_FLAG_THREADSAFE();
+    public static final long H5VL_NATIVE = H5VL_NATIVE();
+    public static final String H5VL_NATIVE_NAME = H5VL_NATIVE_NAME();
+    public static final int H5VL_NATIVE_VALUE = H5VL_NATIVE_VALUE();
+    public static final int H5VL_NATIVE_VERSION = H5VL_NATIVE_VERSION();
+    public static final int H5_VOL_INVALID = H5_VOL_INVALID();
+    public static final int H5_VOL_NATIVE = H5_VOL_NATIVE();
+    public static final int H5_VOL_RESERVED = H5_VOL_RESERVED();
+    public static final int H5_VOL_MAX = H5_VOL_MAX();
+
     public static final int H5Z_CB_CONT = H5Z_CB_CONT();
     public static final int H5Z_CB_ERROR = H5Z_CB_ERROR();
     public static final int H5Z_CB_FAIL = H5Z_CB_FAIL();
@@ -989,6 +1009,14 @@ public class HDF5Constants {
 
     private static native final long H5E_WRITEERROR();
 
+    private static native final int H5ES_STATUS_IN_PROGRESS();
+
+    private static native final int H5ES_STATUS_SUCCEED();
+
+    private static native final int H5ES_STATUS_FAIL();
+
+    private static native final int H5ES_STATUS_CANCELED();
+
     private static native final int H5F_ACC_CREAT();
 
     private static native final int H5F_ACC_EXCL();
@@ -1361,10 +1389,16 @@ public class HDF5Constants {
 
     private static native final int H5PL_TYPE_FILTER();
 
+    private static native final int H5PL_TYPE_VOL();
+
+    private static native final int H5PL_TYPE_NONE();
+
     private static native final int H5PL_FILTER_PLUGIN();
 
     private static native final int H5PL_ALL_PLUGIN();
 
+    private static native final int H5PL_VOL_PLUGIN();
+
     private static native final int H5R_BADTYPE();
 
     private static native final int H5R_DATASET_REGION();
@@ -1831,6 +1865,26 @@ public class HDF5Constants {
 
     private static native final int H5T_VL_T();
 
+    private static native final int H5VL_CAP_FLAG_NONE();
+
+    private static native final int H5VL_CAP_FLAG_THREADSAFE();
+
+    private static native final long H5VL_NATIVE();
+
+    private static native final String H5VL_NATIVE_NAME();
+
+    private static native final int H5VL_NATIVE_VALUE();
+
+    private static native final int H5VL_NATIVE_VERSION();
+
+    private static native final int H5_VOL_INVALID();
+
+    private static native final int H5_VOL_NATIVE();
+
+    private static native final int H5_VOL_RESERVED();
+
+    private static native final int H5_VOL_MAX();
+
     private static native final int H5Z_CB_CONT();
 
     private static native final int H5Z_CB_ERROR();
diff --git a/java/src/jni/CMakeLists.txt b/java/src/jni/CMakeLists.txt
index 50e76e1..00c2b34 100644
--- a/java/src/jni/CMakeLists.txt
+++ b/java/src/jni/CMakeLists.txt
@@ -19,6 +19,7 @@ set (HDF5_JAVA_JNI_CSRCS
     ${HDF5_JAVA_JNI_SOURCE_DIR}/h5sImp.c
     ${HDF5_JAVA_JNI_SOURCE_DIR}/h5tImp.c
     ${HDF5_JAVA_JNI_SOURCE_DIR}/h5util.c
+    ${HDF5_JAVA_JNI_SOURCE_DIR}/h5vlImp.c
     ${HDF5_JAVA_JNI_SOURCE_DIR}/h5zImp.c
     ${HDF5_JAVA_JNI_SOURCE_DIR}/nativeData.c
 )
@@ -40,6 +41,7 @@ set (HDF5_JAVA_JNI_CHDRS
     ${HDF5_JAVA_JNI_SOURCE_DIR}/h5sImp.h
     ${HDF5_JAVA_JNI_SOURCE_DIR}/h5tImp.h
     ${HDF5_JAVA_JNI_SOURCE_DIR}/h5util.h
+    ${HDF5_JAVA_JNI_SOURCE_DIR}/h5vlImp.h
     ${HDF5_JAVA_JNI_SOURCE_DIR}/h5zImp.h
     ${HDF5_JAVA_JNI_SOURCE_DIR}/nativeData.h
 )
diff --git a/java/src/jni/Makefile.am b/java/src/jni/Makefile.am
index 6ded371..370b08b 100644
--- a/java/src/jni/Makefile.am
+++ b/java/src/jni/Makefile.am
@@ -34,7 +34,7 @@ libhdf5_java_la_LDFLAGS = -avoid-version -shared -export-dynamic -version-info $
 # Source files for the library
 libhdf5_java_la_SOURCES=exceptionImp.c h5Constants.c nativeData.c h5util.c h5Imp.c \
 	h5aImp.c h5dImp.c h5eImp.c h5fImp.c h5gImp.c h5iImp.c h5lImp.c h5oImp.c    \
-	h5pImp.c h5plImp.c h5rImp.c h5sImp.c h5tImp.c h5zImp.c
+	h5pImp.c h5plImp.c h5rImp.c h5sImp.c h5tImp.c h5vlImp.c h5zImp.c
 
 # HDF5 Java (JNI) library depends on HDF5 Library.
 libhdf5_java_la_LIBADD=$(LIBHDF5)
diff --git a/java/src/jni/h5Constants.c b/java/src/jni/h5Constants.c
index b13dc76..e88fa55 100644
--- a/java/src/jni/h5Constants.c
+++ b/java/src/jni/h5Constants.c
@@ -21,8 +21,10 @@
 extern "C" {
 #endif /* __cplusplus */
 
-#include <jni.h>
 #include "hdf5.h"
+#include <jni.h>
+#include <stdlib.h>
+#include "h5jni.h"
 
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wmissing-prototypes"
@@ -352,6 +354,15 @@ Java_hdf_hdf5lib_HDF5Constants_H5E_1WALK_1UPWARD(JNIEnv *env, jclass cls) { retu
 JNIEXPORT jlong JNICALL
 Java_hdf_hdf5lib_HDF5Constants_H5E_1WRITEERROR(JNIEnv *env, jclass cls) { return H5E_WRITEERROR; }
 
+JNIEXPORT jlong JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5ES_1STATUS_1IN_1PROGRESS(JNIEnv *env, jclass cls) { return H5ES_STATUS_IN_PROGRESS; }
+JNIEXPORT jlong JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5ES_1STATUS_1SUCCEED(JNIEnv *env, jclass cls) { return H5ES_STATUS_SUCCEED; }
+JNIEXPORT jlong JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5ES_1STATUS_1FAIL(JNIEnv *env, jclass cls) { return H5ES_STATUS_FAIL; }
+JNIEXPORT jlong JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5ES_1STATUS_1CANCELED(JNIEnv *env, jclass cls) { return H5ES_STATUS_CANCELED; }
+
 /* Java does not have unsigned native types */
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wsign-conversion"
@@ -761,8 +772,14 @@ Java_hdf_hdf5lib_HDF5Constants_H5PL_1TYPE_1ERROR(JNIEnv *env, jclass cls) { retu
 JNIEXPORT jint JNICALL
 Java_hdf_hdf5lib_HDF5Constants_H5PL_1TYPE_1FILTER(JNIEnv *env, jclass cls) { return H5PL_TYPE_FILTER; }
 JNIEXPORT jint JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5PL_1TYPE_1VOL(JNIEnv *env, jclass cls) { return H5PL_TYPE_VOL; }
+JNIEXPORT jint JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5PL_1TYPE_1NONE(JNIEnv *env, jclass cls) { return H5PL_TYPE_NONE; }
+JNIEXPORT jint JNICALL
 Java_hdf_hdf5lib_HDF5Constants_H5PL_1FILTER_1PLUGIN(JNIEnv *env, jclass cls) { return H5PL_FILTER_PLUGIN; }
 JNIEXPORT jint JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5PL_1VOL_1PLUGIN(JNIEnv *env, jclass cls) { return H5PL_VOL_PLUGIN; }
+JNIEXPORT jint JNICALL
 Java_hdf_hdf5lib_HDF5Constants_H5PL_1ALL_1PLUGIN(JNIEnv *env, jclass cls) { return H5PL_ALL_PLUGIN; }
 
 JNIEXPORT jint JNICALL
@@ -1237,6 +1254,28 @@ JNIEXPORT jint JNICALL
 Java_hdf_hdf5lib_HDF5Constants_H5T_1VL_1T(JNIEnv *env, jclass cls) { return sizeof(hvl_t); }
 
 JNIEXPORT jint JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5VL_1CAP_1FLAG_1NONE(JNIEnv *env, jclass cls) { return H5VL_CAP_FLAG_NONE; }
+JNIEXPORT jint JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5VL_1CAP_1FLAG_1THREADSAFE(JNIEnv *env, jclass cls) { return H5VL_CAP_FLAG_THREADSAFE; }
+JNIEXPORT jlong JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5VL_1NATIVE(JNIEnv *env, jclass cls) { return H5VL_NATIVE; }
+JNIEXPORT jobject JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5VL_1NATIVE_1NAME(JNIEnv *env, jclass cls) { return (jstring)ENVPTR->NewStringUTF(ENVPAR H5VL_NATIVE_NAME); }
+JNIEXPORT jint JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5VL_1NATIVE_1VALUE(JNIEnv *env, jclass cls) { return H5VL_NATIVE_VALUE; }
+JNIEXPORT jint JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5VL_1NATIVE_1VERSION(JNIEnv *env, jclass cls) { return H5VL_NATIVE_VERSION; }
+
+JNIEXPORT jint JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5_1VOL_1INVALID(JNIEnv *env, jclass cls) { return H5_VOL_INVALID; }
+JNIEXPORT jint JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5_1VOL_1NATIVE(JNIEnv *env, jclass cls) { return H5_VOL_NATIVE; }
+JNIEXPORT jint JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5_1VOL_1RESERVED(JNIEnv *env, jclass cls) { return H5_VOL_RESERVED; }
+JNIEXPORT jint JNICALL
+Java_hdf_hdf5lib_HDF5Constants_H5_1VOL_1MAX(JNIEnv *env, jclass cls) { return H5_VOL_MAX; }
+
+JNIEXPORT jint JNICALL
 Java_hdf_hdf5lib_HDF5Constants_H5Z_1CB_1CONT(JNIEnv *env, jclass cls) { return H5Z_CB_CONT; }
 JNIEXPORT jint JNICALL
 Java_hdf_hdf5lib_HDF5Constants_H5Z_1CB_1ERROR(JNIEnv *env, jclass cls) { return H5Z_CB_ERROR; }
diff --git a/java/src/jni/h5vlImp.c b/java/src/jni/h5vlImp.c
new file mode 100644
index 0000000..89ea703
--- /dev/null
+++ b/java/src/jni/h5vlImp.c
@@ -0,0 +1,206 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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 COPYING file, which can be found at the root of the source code       *
+ * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
+ * If you do not have access to either file, you may request a copy from     *
+ * help@hdfgroup.org.                                                        *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ *  For details of the HDF libraries, see the HDF Documentation at:
+ *    http://hdfgroup.org/HDF5/doc/
+ *
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#include "hdf5.h"
+#include <jni.h>
+#include <stdlib.h>
+#include "h5jni.h"
+#include "h5vlImp.h"
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5VLregister_connector_by_name
+ * Signature: (Ljava/lang/String;J)J
+ */
+JNIEXPORT jlong JNICALL
+Java_hdf_hdf5lib_H5_H5VLregister_1connector_1by_1name
+  (JNIEnv *env, jclass clss, jobject connector_name, jlong vipl_id)
+{
+    hid_t       status = -1;
+    const char *vlName;
+
+    PIN_JAVA_STRING(connector_name, vlName);
+    if (vlName != NULL) {
+        status = H5VLregister_connector_by_name(vlName, (hid_t)vipl_id);
+
+        UNPIN_JAVA_STRING(connector_name, vlName);
+
+        if (status < 0)
+            h5libraryError(env);
+    }
+
+    return (jlong)status;
+} /* end Java_hdf_hdf5lib_H5_H5VLregister_1connector_1by_1name */
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5VLregister_connector_by_value
+ * Signature: (IJ)J
+ */
+JNIEXPORT jlong JNICALL
+Java_hdf_hdf5lib_H5_H5VLregister_1connector_1by_1value
+  (JNIEnv *env, jclass clss, jint connector_value, jlong vipl_id)
+{
+    hid_t status = H5VLregister_connector_by_value((H5VL_class_value_t)connector_value, (hid_t)vipl_id);
+
+    if (status < 0)
+        h5libraryError(env);
+
+    return (jlong)status;
+} /* end Java_hdf_hdf5lib_H5_H5VLregister_1connector_1by_1value */
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5VLis_connector_registered
+ * Signature: (Ljava/lang/String;)Z
+ */
+JNIEXPORT jboolean JNICALL
+Java_hdf_hdf5lib_H5_H5VLis_1connector_1registered
+  (JNIEnv *env, jclass clss, jobject connector_name)
+{
+    htri_t      bval = JNI_FALSE;
+    const char *vlName;
+
+    PIN_JAVA_STRING(connector_name, vlName);
+    if (vlName != NULL) {
+        bval = H5VLis_connector_registered(vlName);
+
+        UNPIN_JAVA_STRING(connector_name, vlName);
+
+        if (bval > 0)
+            bval = JNI_TRUE;
+        else if (bval < 0)
+            h5libraryError(env);
+    }
+
+    return (jboolean)bval;
+} /* end Java_hdf_hdf5lib_H5_H5VLis_1connector_1registered */
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5VLget_connector_id
+ * Signature: (Ljava/lang/String;)J
+ */
+JNIEXPORT jlong JNICALL
+Java_hdf_hdf5lib_H5_H5VLget_1connector_1id
+  (JNIEnv *env, jclass clss, jobject connector_name)
+{
+    hid_t       status = -1;
+    const char *vlName;
+
+    PIN_JAVA_STRING(connector_name, vlName);
+    if (vlName != NULL) {
+        status = H5VLget_connector_id(vlName);
+
+        UNPIN_JAVA_STRING(connector_name, vlName);
+
+        if (status < 0)
+            h5libraryError(env);
+    }
+
+    return (jlong)status;
+} /* end Java_hdf_hdf5lib_H5_H5VLget_1connector_1id */
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5VLget_connector_name
+ * Signature: (J)Ljava/lang/String;
+ */
+
+JNIEXPORT jobject JNICALL
+Java_hdf_hdf5lib_H5_H5VLget_1connector_1name
+  (JNIEnv *env, jclass clss, jlong object_id)
+{
+    char    *vlName;
+    ssize_t  buf_size;
+    ssize_t  status;
+    jstring  str = NULL;
+
+    /* get the length of the comment */
+    buf_size = H5VLget_connector_name((hid_t)object_id, NULL, 0);
+    if (buf_size < 0) {
+        H5Eprint2(H5E_DEFAULT, NULL);
+
+        h5badArgument(env, "H5VLget_connector_name:  buf_size < 0");
+    } /* end if */
+    else if (buf_size > 0) {
+        buf_size++; /* add extra space for the null terminator */
+        vlName = (char *)HDmalloc(sizeof(char) * (size_t)buf_size);
+        if (vlName == NULL) {
+            /* exception -- out of memory */
+            h5outOfMemory(env, "H5VLget_connector_name:  malloc failed");
+        } /* end if */
+        else {
+            status = H5VLget_connector_name((hid_t)object_id, vlName, (size_t)buf_size);
+
+            if (status < 0) {
+                h5libraryError(env);
+            } /* end if */
+            else {
+                /*  may throw OutOfMemoryError */
+                str = ENVPTR->NewStringUTF(ENVPAR vlName);
+                if (str == NULL) {
+                    h5JNIFatalError(env, "H5VLget_connector_name:  return string not allocated");
+                } /* end if */
+            } /* end else */
+            HDfree(vlName);
+        }
+    } /* end else if */
+
+    return (jstring)str;
+} /* end Java_hdf_hdf5lib_H5_H5VLget_1connector_1name */
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5VLclose
+ * Signature: (J)V
+ */
+JNIEXPORT void JNICALL
+Java_hdf_hdf5lib_H5_H5VLclose
+  (JNIEnv *env, jclass clss, jlong connector_id)
+{
+    herr_t retValue = H5VLclose((hid_t)connector_id);
+
+    if (retValue < 0)
+        h5libraryError(env);
+} /* end Java_hdf_hdf5lib_H5_H5VLclose */
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5VLunregister_connector
+ * Signature: (J)V
+ */
+JNIEXPORT void JNICALL
+Java_hdf_hdf5lib_H5_H5VLunregister_1connector
+    (JNIEnv *env, jclass clss, jlong connector_id)
+{
+    herr_t retValue = H5VLunregister_connector((hid_t)connector_id);
+
+    if (retValue < 0)
+        h5libraryError(env);
+} /* end Java_hdf_hdf5lib_H5_H5VLunregister_1connector */
+
+
+#ifdef __cplusplus
+} /* end extern "C" */
+#endif /* __cplusplus */
diff --git a/java/src/jni/h5vlImp.h b/java/src/jni/h5vlImp.h
new file mode 100644
index 0000000..af824a9
--- /dev/null
+++ b/java/src/jni/h5vlImp.h
@@ -0,0 +1,91 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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 COPYING file, which can be found at the root of the source code       *
+ * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
+ * If you do not have access to either file, you may request a copy from     *
+ * help@hdfgroup.org.                                                        *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#include <jni.h>
+/* Header for class hdf_hdf5lib_H5_H5VL */
+
+#ifndef _Included_hdf_hdf5lib_H5_H5VL
+#define _Included_hdf_hdf5lib_H5_H5VL
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5VLregister_connector_by_name
+ * Signature: (Ljava/lang/String;J)J
+ */
+JNIEXPORT jlong JNICALL
+Java_hdf_hdf5lib_H5_H5VLregister_1connector_1by_1name
+  (JNIEnv *, jclass, jobject, jlong);
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5VLregister_connector_by_value
+ * Signature: (IJ)J
+ */
+JNIEXPORT jlong JNICALL
+Java_hdf_hdf5lib_H5_H5VLregister_1connector_1by_1value
+  (JNIEnv *, jclass, jint, jlong);
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5VLis_connector_registered
+ * Signature: (Ljava/lang/String;)Z
+ */
+JNIEXPORT jboolean JNICALL
+Java_hdf_hdf5lib_H5_H5VLis_connector_registered
+  (JNIEnv *, jclass, jobject);
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5VLget_connector_id
+ * Signature: (Ljava/lang/String;)J
+ */
+JNIEXPORT jlong JNICALL
+Java_hdf_hdf5lib_H5_H5VLget_1connector_1id
+  (JNIEnv *, jclass, jobject);
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5VLget_connector_name
+ * Signature: (J)Ljava/lang/String;
+ */
+
+JNIEXPORT jobject JNICALL
+Java_hdf_hdf5lib_H5_H5VLget_1connector_1name
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5VLclose
+ * Signature: (J)V
+ */
+JNIEXPORT void JNICALL
+Java_hdf_hdf5lib_H5_H5VLclose
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5VLunregister_connector
+ * Signature: (J)V
+ */
+JNIEXPORT void JNICALL
+Java_hdf_hdf5lib_H5_H5VLunregister_1connector
+  (JNIEnv *, jclass, jlong);
+
+#ifdef __cplusplus
+} /* end extern "C" */
+#endif /* __cplusplus */
+
+#endif /* _Included_hdf_hdf5lib_H5_H5VL */
diff --git a/java/test/CMakeLists.txt b/java/test/CMakeLists.txt
index b76f572..937b129 100644
--- a/java/test/CMakeLists.txt
+++ b/java/test/CMakeLists.txt
@@ -38,6 +38,7 @@ set (HDF5_JAVA_TEST_SOURCES
     TestH5Ocreate
     TestH5Ocopy
     TestH5PL
+    TestH5VL
     TestH5Z
 )
 
diff --git a/java/test/Makefile.am b/java/test/Makefile.am
index 6635ef7..af99d92 100644
--- a/java/test/Makefile.am
+++ b/java/test/Makefile.am
@@ -69,6 +69,7 @@ noinst_JAVA = \
     TestH5Ocreate.java \
     TestH5Ocopy.java \
     TestH5PL.java \
+    TestH5VL.java \
     TestH5Z.java \
     TestH5E.java \
     TestH5Edefault.java \
diff --git a/java/test/TestH5VL.java b/java/test/TestH5VL.java
new file mode 100644
index 0000000..0397be1
--- /dev/null
+++ b/java/test/TestH5VL.java
@@ -0,0 +1,117 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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 COPYING file, which can be found at the root of the source code       *
+ * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
+ * If you do not have access to either file, you may request a copy from     *
+ * help@hdfgroup.org.                                                        *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+package test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import hdf.hdf5lib.H5;
+import hdf.hdf5lib.HDF5Constants;
+import hdf.hdf5lib.exceptions.HDF5LibraryException;
+
+import java.io.File;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TestName;
+
+public class TestH5VL {
+    @Rule public TestName testname = new TestName();
+
+    private final void _deleteFile(String filename) {
+        File file = new File(filename);
+
+        if (file.exists()) {
+            try {file.delete();} catch (SecurityException e) {}
+        }
+    }
+
+    @Before
+    public void checkOpenIDs() {
+        assertTrue("H5 open ids is 0",H5.getOpenIDCount()==0);
+        System.out.print(testname.getMethodName());
+    }
+    @After
+    public void nextTestName() {
+        System.out.println();
+    }
+
+    @Test
+    public void testH5VLnative_init() {
+        try {
+            boolean is_registered;
+
+            is_registered = H5.H5VLis_connector_registered(HDF5Constants.H5VL_NATIVE_NAME);
+            assertTrue("H5.H5VLis_connector_registered H5VL_NATIVE_NAME", is_registered);
+
+            is_registered = H5.H5VLis_connector_registered("FAKE_VOL_NAME");
+            assertFalse("H5.H5VLis_connector_registered FAKE_VOL_NAME", is_registered);
+        }
+        catch (Throwable err) {
+            err.printStackTrace();
+            fail("H5.H5VLis_connector_registered " + err);
+        }
+    }
+
+    @Test
+    public void testH5VLget_connector_id() {
+        try {
+            long native_id = H5.H5VLget_connector_id(HDF5Constants.H5VL_NATIVE_NAME);
+            assertTrue("H5.H5VLget_connector_id H5VL_NATIVE_NAME", native_id >= 0);
+            assertEquals(HDF5Constants.H5VL_NATIVE, native_id);
+        }
+        catch (Throwable err) {
+            err.printStackTrace();
+            fail("H5.H5VLget_connector_id " + err);
+        }
+    }
+
+    @Test
+    public void testH5VLget_connector_name() {
+        String H5_FILE = "testFvl.h5";
+
+        long H5fid = H5.H5Fcreate(H5_FILE, HDF5Constants.H5F_ACC_TRUNC,
+                HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
+        H5.H5Fflush(H5fid, HDF5Constants.H5F_SCOPE_LOCAL);
+
+        try {
+            String native_name = H5.H5VLget_connector_name(H5fid);
+            assertTrue("H5.H5VLget_connector_name H5VL_NATIVE", native_name.compareToIgnoreCase(HDF5Constants.H5VL_NATIVE_NAME)==0);
+        }
+        catch (Throwable err) {
+            err.printStackTrace();
+            fail("H5.H5VLget_connector_name " + err);
+        }
+        finally {
+            if (H5fid > 0) {
+                try {H5.H5Fclose(H5fid);} catch (Exception ex) {}
+            }
+            _deleteFile(H5_FILE);
+        }
+    }
+
+    @Test(expected = HDF5LibraryException.class)
+    public void testH5VLclose_NegativeID() throws Throwable {
+        H5.H5VLclose(-1);
+    }
+
+    @Test(expected = HDF5LibraryException.class)
+    public void testH5VLunregister_connector_NegativeID() throws Throwable {
+        H5.H5VLunregister_connector(-1);
+    }
+}
+
diff --git a/java/test/junit.sh.in b/java/test/junit.sh.in
index 350fb7b..42e16ee 100644
--- a/java/test/junit.sh.in
+++ b/java/test/junit.sh.in
@@ -989,6 +989,27 @@ else
     test yes = "$verbose" && $DIFF JUnit-TestH5PL.txt JUnit-TestH5PL.out |sed 's/^/    /'
 fi
 
+echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH -ea org.junit.runner.JUnitCore test.TestH5VL"
+TESTING JUnit-TestH5VL
+($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH -ea org.junit.runner.JUnitCore test.TestH5VL > JUnit-TestH5VL.ext)
+
+# Extract file name, line number, version and thread IDs because they may be different
+sed -e 's/thread [0-9]*/thread (IDs)/' -e 's/: .*\.c /: (file name) /' \
+    -e 's/line [0-9]*/line (number)/' \
+    -e 's/Time: [0-9]*\.[0-9]*/Time:  XXXX/' \
+    -e 's/v[1-9]*\.[0-9]*\./version (number)\./' \
+    -e 's/[1-9]*\.[0-9]*\.[0-9]*[^)]*/version (number)/' \
+    JUnit-TestH5VL.ext > JUnit-TestH5VL.out
+
+if diff JUnit-TestH5VL.out JUnit-TestH5VL.txt > /dev/null; then
+    echo "  PASSED      JUnit-TestH5VL"
+else
+    echo "**FAILED**    JUnit-TestH5VL"
+    echo "    Expected result differs from actual result"
+    nerrors="`expr $nerrors + 1`"
+    test yes = "$verbose" && $DIFF JUnit-TestH5VL.txt JUnit-TestH5VL.out |sed 's/^/    /'
+fi
+
 echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH -ea org.junit.runner.JUnitCore test.TestH5Z"
 TESTING JUnit-TestH5Z
 ($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH -ea org.junit.runner.JUnitCore test.TestH5Z > JUnit-TestH5Z.ext)
diff --git a/java/test/testfiles/JUnit-TestH5VL.txt b/java/test/testfiles/JUnit-TestH5VL.txt
new file mode 100644
index 0000000..caadf26
--- /dev/null
+++ b/java/test/testfiles/JUnit-TestH5VL.txt
@@ -0,0 +1,11 @@
+JUnit version 4.11
+.testH5VLget_connector_id
+.testH5VLnative_init
+.testH5VLget_connector_name
+.testH5VLclose_NegativeID
+.testH5VLunregister_connector_NegativeID
+
+Time:  XXXX
+
+OK (5 tests)
+