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authorAllen Byrne <50328838+byrnHDF@users.noreply.github.com>2022-07-18 13:19:13 (GMT)
committerGitHub <noreply@github.com>2022-07-18 13:19:13 (GMT)
commit2c966f1e55da4223c0a1fa08733400851e27bd70 (patch)
tree0d4e518e3a591e6552c5f4d74645e7286dc517e2 /java/src
parentf199c866dd3118f38904cb1935197438e662181c (diff)
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1 10 Add utility JNI function for 1.10 style references (#1890)
* 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')
-rw-r--r--java/src/hdf/hdf5lib/H5.java23
-rw-r--r--java/src/jni/h5rImp.c61
-rw-r--r--java/src/jni/h5rImp.h7
3 files changed, 91 insertions, 0 deletions
diff --git a/java/src/hdf/hdf5lib/H5.java b/java/src/hdf/hdf5lib/H5.java
index e96cf06..b4623c6 100644
--- a/java/src/hdf/hdf5lib/H5.java
+++ b/java/src/hdf/hdf5lib/H5.java
@@ -10890,6 +10890,29 @@ public class H5 implements java.io.Serializable {
throws HDF5LibraryException, NullPointerException, IllegalArgumentException;
/**
+ * H5Rget_name_string retrieves a name for the object identified by ref.
+ *
+ * @param loc_id
+ * IN: Identifier for the dataset containing the reference or for the group that dataset is in.
+ * @param ref_type
+ * IN: Type of reference.
+ * @param ref
+ * IN: An object or dataset region reference.
+ *
+ * @return Returns the name if successful, returning null if no name is associated with
+ * the identifier.
+ *
+ * @exception HDF5LibraryException
+ * Error from the HDF-5 Library.
+ * @exception NullPointerException
+ * size is null.
+ * @exception IllegalArgumentException
+ * Argument is illegal.
+ **/
+ public synchronized static native String H5Rget_name_string(long loc_id, int ref_type, byte[] ref)
+ throws HDF5LibraryException, NullPointerException, IllegalArgumentException;
+
+ /**
* H5Rget_obj_type Given a reference to an object ref, H5Rget_obj_type returns the type of the object
* pointed to.
*
diff --git a/java/src/jni/h5rImp.c b/java/src/jni/h5rImp.c
index 97f6624..bdd757f 100644
--- a/java/src/jni/h5rImp.c
+++ b/java/src/jni/h5rImp.c
@@ -302,6 +302,67 @@ 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 */
diff --git a/java/src/jni/h5rImp.h b/java/src/jni/h5rImp.h
index 6270323..fe3b52b 100644
--- a/java/src/jni/h5rImp.h
+++ b/java/src/jni/h5rImp.h
@@ -66,6 +66,13 @@ JNIEXPORT jint JNICALL Java_hdf_hdf5lib_H5_H5Rget_1obj_1type2(JNIEnv *, jclass,
JNIEXPORT jlong JNICALL Java_hdf_hdf5lib_H5_H5Rget_1name(JNIEnv *, jclass, jlong, jint, jbyteArray,
jobjectArray, jlong);
+/*
+ * 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 *, jclass, jlong, jint, jbyteArray);
+
#ifdef __cplusplus
} /* end extern "C" */
#endif /* __cplusplus */