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author | Allen Byrne <50328838+byrnHDF@users.noreply.github.com> | 2022-07-14 16:33:35 (GMT) |
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committer | GitHub <noreply@github.com> | 2022-07-14 16:33:35 (GMT) |
commit | 6be07134deed251505a13265e36e1af5650f2eaa (patch) | |
tree | 4c31b88468f50ca91be02304aeb6801e02b1e745 /java/src/jni/h5rImp.c | |
parent | c835d16a597982d72bc160a96f2218a20f9dd010 (diff) | |
download | hdf5-6be07134deed251505a13265e36e1af5650f2eaa.zip hdf5-6be07134deed251505a13265e36e1af5650f2eaa.tar.gz hdf5-6be07134deed251505a13265e36e1af5650f2eaa.tar.bz2 |
Add utility JNI function for 1.10 style references (#1888)
* Add utility JNI function for 1.10 style references
* Clarify text
* Correct signature
* Committing clang-format changes
Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
Diffstat (limited to 'java/src/jni/h5rImp.c')
-rw-r--r-- | java/src/jni/h5rImp.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/java/src/jni/h5rImp.c b/java/src/jni/h5rImp.c index 9fe0701..58b5522 100644 --- a/java/src/jni/h5rImp.c +++ b/java/src/jni/h5rImp.c @@ -877,6 +877,67 @@ done: return ret_val; } /* end Java_hdf_hdf5lib_H5_H5Rget_1name */ +/* + * Class: hdf_hdf5lib_H5 + * Method: H5Rget_name_string + * Signature: (JI[B)Ljava/lang/String; + */ +JNIEXPORT jstring JNICALL +Java_hdf_hdf5lib_H5_H5Rget_1name_1string(JNIEnv *env, jclass clss, jlong loc_id, jint ref_type, + jbyteArray ref) +{ + jboolean isCopy; + jstring str; + jsize refBufLen; + jbyte * refBuf = NULL; + char * aName = NULL; + ssize_t buf_size = -1; + jlong ret_val = -1; + + UNUSED(clss); + + if (NULL == ref) + H5_NULL_ARGUMENT_ERROR(ENVONLY, "H5Rget_name: reference buffer is NULL"); + + if ((refBufLen = ENVPTR->GetArrayLength(ENVONLY, ref)) < 0) { + CHECK_JNI_EXCEPTION(ENVONLY, JNI_TRUE); + H5_BAD_ARGUMENT_ERROR(ENVONLY, "H5Rget_name: ref array length < 0"); + } + + if ((H5R_OBJECT == ref_type) && (refBufLen != H5R_OBJ_REF_BUF_SIZE)) + H5_BAD_ARGUMENT_ERROR(ENVONLY, "H5Rget_name: reference input array length != H5R_OBJ_REF_BUF_SIZE"); + else if ((H5R_DATASET_REGION == ref_type) && (refBufLen != H5R_DSET_REG_REF_BUF_SIZE)) + H5_BAD_ARGUMENT_ERROR( + ENVONLY, "H5Rget_name: region reference input array length != H5R_DSET_REG_REF_BUF_SIZE"); + else if ((H5R_OBJECT != ref_type) && (H5R_DATASET_REGION != ref_type)) + H5_BAD_ARGUMENT_ERROR(ENVONLY, "H5Rget_name: unknown reference type"); + + PIN_BYTE_ARRAY(ENVONLY, ref, refBuf, &isCopy, "H5Rget_name: reference buffer not pinned"); + + /* Get the length of the name */ + if ((buf_size = H5Rget_name((hid_t)loc_id, (H5R_type_t)ref_type, refBuf, NULL, 0)) < 0) + H5_LIBRARY_ERROR(ENVONLY); + + if (NULL == (aName = HDmalloc(sizeof(char) * (size_t)buf_size + 1))) + H5_OUT_OF_MEMORY_ERROR(ENVONLY, "H5Rget_name: failed to allocate referenced object name buffer"); + + if ((ret_val = (jlong)H5Rget_name((hid_t)loc_id, (H5R_type_t)ref_type, refBuf, aName, + (size_t)buf_size + 1)) < 0) + H5_LIBRARY_ERROR(ENVONLY); + aName[(size_t)buf_size] = '\0'; + + if (NULL == (str = ENVPTR->NewStringUTF(ENVONLY, aName))) + CHECK_JNI_EXCEPTION(ENVONLY, JNI_FALSE); + +done: + if (aName) + HDfree(aName); + if (refBuf) + UNPIN_BYTE_ARRAY(ENVONLY, ref, refBuf, JNI_ABORT); + + return str; +} /* end Java_hdf_hdf5lib_H5_H5Rget_1name_1string */ + #ifdef __cplusplus } /* end extern "C" */ #endif /* __cplusplus */ |