bes  Updated for version 3.20.6
HDF5CFUInt16.cc
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1 // This file is part of the hdf5_handler implementing for the CF-compliant
2 // Copyright (c) 2011-2016 The HDF Group, Inc. and OPeNDAP, Inc.
3 //
4 // This is free software; you can redistribute it and/or modify it under the
5 // terms of the GNU Lesser General Public License as published by the Free
6 // Software Foundation; either version 2.1 of the License, or (at your
7 // option) any later version.
8 //
9 // This software is distributed in the hope that it will be useful, but
10 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
11 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
12 // License for more details.
13 //
14 // You should have received a copy of the GNU Lesser General Public
15 // License along with this library; if not, write to the Free Software
16 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 //
18 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
19 // You can contact The HDF Group, Inc. at 1800 South Oak Street,
20 // Suite 203, Champaign, IL 61820
21 
30 
31 #include "config_hdf5.h"
32 
33 #include "InternalErr.h"
34 #include "HDF5CFUInt16.h"
35 #include <BESDebug.h>
36 #include "h5common.h"
37 
38 using namespace std;
39 using namespace libdap;
40 
41 HDF5CFUInt16::HDF5CFUInt16(const string &n, const string &d) : UInt16(n, d)
42 {
43 }
44 
45 HDF5CFUInt16::HDF5CFUInt16(const string &n, const string &d,const string &d_f) : UInt16(n, d),filename(d_f)
46 {
47 }
48 
49 
50 HDF5CFUInt16::~HDF5CFUInt16()
51 {
52 }
53 BaseType *HDF5CFUInt16::ptr_duplicate()
54 {
55  return new HDF5CFUInt16(*this);
56 }
57 
58 bool HDF5CFUInt16::read()
59 {
60 
61  BESDEBUG("h5","Coming to HDF5CFUInt16 read "<<endl);
62 
63  if (read_p())
64  return true;
65 
66  hid_t file_id = -1;
67  if ((file_id = H5Fopen(filename.c_str(),H5F_ACC_RDONLY,H5P_DEFAULT))<0) {
68  throw InternalErr (__FILE__, __LINE__, "Failed to obtain the HDF5 file ID.");
69  }
70 
71  hid_t dset_id = -1;
72 
73  dset_id = H5Dopen2(file_id,dataset().c_str(),H5P_DEFAULT);
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_uint16 buf;
81  get_data(dset_id, (void *) &buf);
82  set_read_p(true);
83  set_value(buf);
84 
85  // Release the handles.
86  if (H5Dclose(dset_id) < 0) {
87  throw InternalErr(__FILE__, __LINE__, "Unable to close the dset.");
88  }
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 
HDF5CFUInt16.h
This class provides a way to map HDF5 unsigned 16-bit integer to DAP uint16 for the CF option.
get_data
void get_data(hid_t dset, void *buf)
Definition: h5common.cc:50
libdap
Definition: BESDapFunctionResponseCache.h:35
HDF5CFUInt16
Definition: HDF5CFUInt16.h:40
h5common.h