develop JNI export references and java updates (#467)

* OESS-98 convert plugin option to FetchContent, add tests

* Fixes for pkcfg files because of plugin option

* OESS-98 fix tools test for plugins

* Keep doxygen comments under 100 chars long - format hint

* Whitespace

* HDFFV-11144 - Reclassify CMake messages

* HDFFV-11099/11100 added help text

* Reworked switch statement to compare string instead

* Fix typo

* Update CDash mode

* Correct name of threadsafe

* Correct option name

* Undo accidental commit

* Note LLVM 10 to 11 format default changes

* Update format plugin

* Undo clang-format version 11 changes

* One more correction

* Update supported platforms

* Revert whitespace changes

* Correct whitespace

* Changes from PR#3

* HDFFV-11213 added option to control gcc10 warnings diagnostics

* HDFFV-11212 Use the new references correctly in JNI utility and tests

* format source

* Fix typo

* Add new test file

* HDFFV-11212 - update test and remove unused arg

* Minor non-space formatting changes

* Use H5I_INVALID_ID instead of "-1"

* source formatting

* add missing testfile, update jni function

* Undo commit of debug code

* remove mislocated file

* Fix h5repack test for handling of fapls and id close

* Update h5diff test files usage text

* HDFFV-11212 add new ref tests for JNI export dataset

* src format update

* Remove blank line typo

* src format typo

* long double requires %Lg

* Another long double foramt specifer S.B. %Lg

* issue with t128bit test

* Windows issue with h5dump and type.

* Fix review issues

* refactor function nesting and fix error checks

* format fixes

* Remove untested functions and javadoc quiet comments

* Restore TRY block.

* Change string append errors to memory exception

* revert to H5_JNI_FATAL_ERROR - support functions need work

* Add assertion error for h5util functions

* remove duplicate function

* format fix

* Revert HD function error handling

* Update copyright comments

* GH #386 java folder copyright corrections

* Whitespace

* GH #359 implement and fix tools 1.6 API usage

* remove excessive comments

* Flip inits to correct ifdef section

* rework ifdef to be simpler

* format issue

* Reformat ifdef inits

* remove static attribute

* format compliance

* Update names

* Revert because logic relies on float not being int

* Changes noticed from creating merge of #412

* Double underscore change

* Correct compiler version variable used

* Remove header guard underscores

* Whitespace cleanup

* Split format source and commit changes on repo push

* remove pre-split setting

* Change windows TS to use older VS.

* correct window os name

* HDFFV-11212 JNI export util and Javadoc

* Suggested review changes

* Another change found

* Committing clang-format changes

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

1 files changed, 11 insertions, 3 deletions

diff --git a/java/src/jni/h5util.h b/java/src/jni/h5util.h
index a5e9607..6c568e1 100644
--- a/java/src/jni/h5util.h
+++ b/java/src/jni/h5util.h
@@ -46,6 +46,7 @@ extern size_t h5str_sprintf(JNIEnv *env, h5str_t *out_str, hid_t container, hid_
                             int expand_data);
 extern void   h5str_array_free(char **strs, size_t len);
 extern int    h5str_dump_simple_dset(JNIEnv *env, FILE *stream, hid_t dset, int binary_order);
+extern int    h5str_dump_simple_mem(JNIEnv *env, FILE *stream, hid_t attr, int binary_order);
 
 extern htri_t H5Tdetect_variable_str(hid_t tid);
 
@@ -105,9 +106,16 @@ JNIEXPORT jint JNICALL Java_hdf_hdf5lib_H5_H5Gget_1obj_1info_1max(JNIEnv *, jcla
 /*
  * Class:     hdf_hdf5lib_H5
  * Method:    H5export_dataset
- * Signature: (Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;I)V
+ * Signature: (Ljava/lang/String;JLjava/lang/String;I)V
  */
-JNIEXPORT void JNICALL Java_hdf_hdf5lib_H5_H5export_1dataset(JNIEnv *, jclass, jstring, jstring, jstring,
-                                                             jint);
+JNIEXPORT void JNICALL Java_hdf_hdf5lib_H5_H5export_1dataset(JNIEnv *, jclass, jstring, jlong, jstring, jint);
+
+/*
+ * Class:     hdf_hdf5lib_H5
+ * Method:    H5export_attribute
+ * Signature: (Ljava/lang/String;JLjava/lang/String;I)V
+ */
+JNIEXPORT void JNICALL Java_hdf_hdf5lib_H5_H5export_1attribute(JNIEnv *, jclass, jstring, jlong, jstring,
+                                                               jint);
 
 #endif /* H5UTIL_H__ */