bes Updated for version 3.20.10
HDF5CFInt32.cc
Go to the documentation of this file.
1// This file is part of hdf5_handler: an HDF5 file handler for the OPeNDAP
2// data server.
3
4// Copyright (c) 2011-2016 The HDF Group, Inc. and OPeNDAP, Inc.
5//
6// This is free software; you can redistribute it and/or modify it under the
7// terms of the GNU Lesser General Public License as published by the Free
8// Software Foundation; either version 2.1 of the License, or (at your
9// option) any later version.
10//
11// This software is distributed in the hope that it will be useful, but
12// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14// License for more details.
15//
16// You should have received a copy of the GNU Lesser General Public
17// License along with this library; if not, write to the Free Software
18// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19//
20// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
21// You can contact The HDF Group, Inc. at 1800 South Oak Street,
22// Suite 203, Champaign, IL 61820
23
32
33#include "config_hdf5.h"
34
35#include <BESDebug.h>
36#include <libdap/InternalErr.h>
37#include "HDF5CFInt32.h"
38#include "h5common.h"
39
40using namespace std;
41using namespace libdap;
42
43HDF5CFInt32::HDF5CFInt32(const string &n, const string &d) : Int32(n, d)
44{
45}
46
47HDF5CFInt32::HDF5CFInt32(const string &n, const string &d,const string &d_f) : Int32(n, d),filename(d_f)
48{
49}
50HDF5CFInt32::~HDF5CFInt32()
51{
52}
53BaseType *HDF5CFInt32::ptr_duplicate()
54{
55 return new HDF5CFInt32(*this);
56}
57
58bool HDF5CFInt32::read()
59{
60
61 BESDEBUG("h5","Coming to HDF5CFInt32 read "<<endl);
62
63 if (read_p())
64 return true;
65
66 hid_t file_id = H5Fopen(filename.c_str(),H5F_ACC_RDONLY,H5P_DEFAULT);
67 if(file_id < 0) {
68 throw InternalErr(__FILE__,__LINE__, "Fail to obtain the HDF5 file ID .");
69 }
70
71 hid_t dset_id = -1;
72 dset_id = H5Dopen2(file_id,dataset().c_str(),H5P_DEFAULT);
73
74 if(dset_id < 0) {
75 H5Fclose(file_id);
76 throw InternalErr(__FILE__,__LINE__, "Fail to obtain the dataset .");
77 }
78
79 try {
80 dods_int32 buf;
81 get_data(dset_id, (void *) &buf);
82
83 set_read_p(true);
84 set_value(buf);
85
86 // Release the handles.
87 if (H5Dclose(dset_id) < 0) {
88 throw InternalErr(__FILE__, __LINE__, "Unable to close the dset.");
89 }
90 H5Fclose(file_id);
91 }
92 catch(...) {
93 H5Dclose(dset_id);
94 H5Fclose(file_id);
95 throw;
96 }
97
98 return true;
99
100}
101
This class provides a way to map HDF5 32-bit integer to DAP Int32 for the CF option.
void get_data(hid_t dset, void *buf)
Definition: h5common.cc:50