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Diffstat (limited to 'java/src/jni/h5gImp.c')
-rw-r--r-- | java/src/jni/h5gImp.c | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/java/src/jni/h5gImp.c b/java/src/jni/h5gImp.c new file mode 100644 index 0000000..632942a --- /dev/null +++ b/java/src/jni/h5gImp.c @@ -0,0 +1,257 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * 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 files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdfgroup.org/HDF5/doc/Copyright.html. 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://hdfdfgroup.org/HDF5/doc/ + * + */ + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#include <jni.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "hdf5.h" +#include "h5util.h" +#include "h5gImp.h" + +extern JavaVM *jvm; +extern jobject visit_callback; + +/* + * Class: hdf_hdf5lib_H5 + * Method: _H5Gclose + * Signature: (J)I + */ +JNIEXPORT jint JNICALL +Java_hdf_hdf5lib_H5__1H5Gclose(JNIEnv *env, jclass clss, jlong group_id) +{ + herr_t retVal = -1; + + retVal = H5Gclose((hid_t)group_id); + if (retVal < 0) + h5libraryError(env); + + return (jint)retVal; +} /* end Java_hdf_hdf5lib_H5__1H5Gclose */ + +/* + * Create a java object of hdf.h5.structs.H5G_info_t + * public class H5G_info_t { + * public H5G_STORAGE_TYPE storage_type; // Type of storage for links in group + * public long nlinks; // Number of links in group + * public long max_corder; // Current max. creation order value for group + * public int mounted; // Whether group has a file mounted on it + * } + * + */ +jobject +create_H5G_info_t(JNIEnv *env, H5G_info_t group_info) +{ + jclass cls; + jboolean jmounted; + jint storage_type; + jobject obj; + jfieldID fid_storage_type, fid_nlinks, fid_max_corder, fid_mounted; + + cls = ENVPTR->FindClass(ENVPAR "hdf/hdf5lib/structs/H5G_info_t"); + if (cls == NULL) + return NULL; + + obj = ENVPTR->AllocObject(ENVPAR cls); + if (obj == NULL) + return NULL; + + fid_storage_type = ENVPTR->GetFieldID(ENVPAR cls, "storage_type", "I"); + fid_nlinks = ENVPTR->GetFieldID(ENVPAR cls, "nlinks", "J"); + fid_max_corder = ENVPTR->GetFieldID(ENVPAR cls, "max_corder", "J"); + fid_mounted = ENVPTR->GetFieldID(ENVPAR cls, "mounted", "Z"); + + if (fid_storage_type==NULL || fid_nlinks==NULL || fid_max_corder==NULL || fid_mounted == NULL) + return NULL; + + jmounted = (group_info.mounted==0) ? JNI_FALSE : JNI_TRUE; + storage_type = (jint)group_info.storage_type; + + ENVPTR->SetIntField(ENVPAR obj, fid_storage_type, (jint)storage_type); + ENVPTR->SetLongField(ENVPAR obj, fid_nlinks, (jlong)group_info.nlinks); + ENVPTR->SetLongField(ENVPAR obj, fid_max_corder, (jlong)group_info.max_corder); + ENVPTR->SetBooleanField(ENVPAR obj, fid_mounted, jmounted); + + return obj; +} /* end create_H5G_info_t */ + +/* + * Class: hdf_hdf5lib_H5 + * Method: _H5Gcreate2 + * Signature: (JLjava/lang/String;JJJ)J + */ +JNIEXPORT jlong JNICALL +Java_hdf_hdf5lib_H5__1H5Gcreate2(JNIEnv *env, jclass clss, jlong loc_id, jstring name, + jlong link_plist_id, jlong create_plist_id, jlong access_plist_id) +{ + hid_t group_id = -1; + const char *gName; + + PIN_JAVA_STRING(name, gName, -1); + + group_id = H5Gcreate2((hid_t)loc_id, gName, (hid_t)link_plist_id, (hid_t)create_plist_id, (hid_t)access_plist_id ); + + UNPIN_JAVA_STRING(name, gName); + if (group_id < 0) + h5libraryError(env); + + return (jlong)group_id; +} /* end Java_hdf_hdf5lib_H5__1H5Gcreate2 */ + +/* + * Class: hdf_hdf5lib_H5 + * Method: _H5Gcreate_anon + * Signature: (JJJ)J + */ +JNIEXPORT jlong JNICALL +Java_hdf_hdf5lib_H5__1H5Gcreate_1anon(JNIEnv *env, jclass cls, jlong loc_id, jlong gcpl_id, jlong gapl_id) +{ + hid_t group_id = -1; + + group_id = H5Gcreate_anon((hid_t)loc_id, (hid_t)gcpl_id, (hid_t)gapl_id); + if (group_id < 0) + h5libraryError(env); + + return (jlong)group_id; +} /* end JNICALL */ + +/* + * Class: hdf_hdf5lib_H5 + * Method: _H5Gopen2 + * Signature: (JLjava/lang/String;J)J + */ +JNIEXPORT jlong JNICALL +Java_hdf_hdf5lib_H5__1H5Gopen2(JNIEnv *env, jclass clss, jlong loc_id, jstring name, jlong access_plist_id) +{ + hid_t group_id = -1; + const char *gName; + + PIN_JAVA_STRING(name, gName, -1); + + group_id = H5Gopen2((hid_t)loc_id, gName, (hid_t)access_plist_id ); + + UNPIN_JAVA_STRING(name, gName); + + if (group_id < 0) + h5libraryError(env); + + return (jlong)group_id; +} /* end Java_hdf_hdf5lib_H5__1H5Gopen2 */ + + +/* + * Class: hdf_hdf5lib_H5 + * Method: H5Gget_create_plist + * Signature: (J)J + */ +JNIEXPORT jlong JNICALL +Java_hdf_hdf5lib_H5_H5Gget_1create_1plist(JNIEnv *env, jclass cls, jlong loc_id) +{ + hid_t plist_id = H5Gget_create_plist((hid_t)loc_id); + + if (plist_id < 0) + h5libraryError(env); + + return (jlong)plist_id; +} /* end Java_hdf_hdf5lib_H5_H5Gget_1create_1plist */ + +/* + * Class: hdf_hdf5lib_H5 + * Method: H5Gget_info + * Signature: (J)Lhdf/hdf5lib/structs/H5G_info_t; + */ +JNIEXPORT jobject JNICALL +Java_hdf_hdf5lib_H5_H5Gget_1info(JNIEnv *env, jclass cls, jlong loc_id) +{ + H5G_info_t group_info; + + if (H5Gget_info((hid_t)loc_id, &group_info) < 0) { + h5libraryError(env); + return NULL; + } /* end if */ + + return create_H5G_info_t(env, group_info); +} /* end Java_hdf_hdf5lib_H5_H5Gget_1info */ + +/* + * Class: hdf_hdf5lib_H5 + * Method: H5Gget_info_by_name + * Signature: (JLjava/lang/String;J)Lhdf/hdf5lib/structs/H5G_info_t; + */ +JNIEXPORT jobject JNICALL +Java_hdf_hdf5lib_H5_H5Gget_1info_1by_1name(JNIEnv *env, jclass cls, jlong loc_id, jstring name, jlong lapl_id) +{ + herr_t ret_val = -1; + const char *gName; + H5G_info_t group_info; + + PIN_JAVA_STRING(name, gName, NULL); + + ret_val = H5Gget_info_by_name((hid_t)loc_id, gName, &group_info, (hid_t)lapl_id); + + UNPIN_JAVA_STRING(name, gName); + + if (ret_val < 0) { + h5libraryError(env); + return NULL; + } /* end if */ + + return create_H5G_info_t(env, group_info); +} /* end Java_hdf_hdf5lib_H5_H5Gget_1info_1by_1name */ + +/* + * Class: hdf_hdf5lib_H5 + * Method: H5Gget_info_by_idx + * Signature: (JLjava/lang/String;IIJJ)Lhdf/hdf5lib/structs/H5G_info_t; + */ +JNIEXPORT jobject JNICALL +Java_hdf_hdf5lib_H5_H5Gget_1info_1by_1idx(JNIEnv *env, jclass cls, jlong loc_id, jstring name, jint index_type, + jint order, jlong n, jlong lapl_id) +{ + herr_t ret_val = -1; + const char *gName; + H5G_info_t group_info; + H5_index_t cindex_type = (H5_index_t)index_type; + H5_iter_order_t corder = (H5_iter_order_t)order; + + PIN_JAVA_STRING(name, gName, NULL); + + ret_val = H5Gget_info_by_idx((hid_t)loc_id, gName, cindex_type, + corder, (hsize_t)n, &group_info, (hid_t)lapl_id); + + UNPIN_JAVA_STRING(name, gName); + + if (ret_val < 0) { + h5libraryError(env); + return NULL; + } /* end if */ + + return create_H5G_info_t(env, group_info); +} /* end Java_hdf_hdf5lib_H5_H5Gget_1info_1by_1idx */ + + +#ifdef __cplusplus +} /* end extern "C" */ +#endif /* __cplusplus */ |