bes Updated for version 3.20.13
ReadMetadataElement.cc
1
2// This file is part of the "NcML Module" project, a BES module designed
3// to allow NcML files to be used to be used as a wrapper to add
4// AIS to existing datasets of any format.
5//
6// Copyright (c) 2009 OPeNDAP, Inc.
7// Author: Michael Johnson <m.johnson@opendap.org>
8//
9// For more information, please also see the main website: http://opendap.org/
10//
11// This library is free software; you can redistribute it and/or
12// modify it under the terms of the GNU Lesser General Public
13// License as published by the Free Software Foundation; either
14// version 2.1 of the License, or (at your option) any later version.
15//
16// This library is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19// Lesser General Public License for more details.
20//
21// You should have received a copy of the GNU Lesser General Public
22// License along with this library; if not, write to the Free Software
23// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24//
25// Please see the files COPYING and COPYRIGHT for more information on the GLPL.
26//
27// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
29#include "ReadMetadataElement.h"
30#include "NetcdfElement.h"
31#include "NCMLDebug.h"
32#include "NCMLParser.h"
33#include "NCMLUtil.h"
34
35namespace ncml_module {
36
37const string ReadMetadataElement::_sTypeName = "readMetadata";
38const vector<string> ReadMetadataElement::_sValidAttributes = vector<string>();
39
40ReadMetadataElement::ReadMetadataElement() :
41 RCObjectInterface(), NCMLElement(0)
42{
43}
44
45ReadMetadataElement::ReadMetadataElement(const ReadMetadataElement& proto) :
46 RCObjectInterface(), NCMLElement(proto)
47{
48}
49
50ReadMetadataElement::~ReadMetadataElement()
51{
52}
53
54const string&
55ReadMetadataElement::getTypeName() const
56{
57 return _sTypeName;
58}
59
61ReadMetadataElement::clone() const
62{
63 return new ReadMetadataElement(*this);
64}
65
66void ReadMetadataElement::setAttributes(const XMLAttributeMap& attrs)
67{
68 // make sure that none are specifed, basically. We'll list them out in here if we get any
69 // which is why this rather than check map size and throw.
70 validateAttributes(attrs, _sValidAttributes);
71}
72
73void ReadMetadataElement::handleBegin()
74{
75 if (!_parser->isScopeNetcdf()) {
76 THROW_NCML_PARSE_ERROR(_parser->getParseLineNumber(), "Got <readMetadata/> while not within <netcdf>");
77 }
78 NetcdfElement* dataset = _parser->getCurrentDataset();
79 VALID_PTR(dataset);
80
81 // Like Highlander, there can be only one!
82 if (dataset->getProcessedMetadataDirective()) {
83 THROW_NCML_PARSE_ERROR(_parser->getParseLineNumber(),
84 "Got " + toString() + " element but we already got a metadata directive"
85 " for the current dataset! Only one may be specified.");
86 }
87 dataset->setProcessedMetadataDirective();
88}
89
90void ReadMetadataElement::handleContent(const string& content)
91{
92 if (!NCMLUtil::isAllWhitespace(content)) {
93 THROW_NCML_PARSE_ERROR(_parser->getParseLineNumber(),
94 "Got non-whitespace for element content and didn't expect it."
95 " Element=" + toString() + " content=\"" + content + "\"");
96 }
97}
98
99void ReadMetadataElement::handleEnd()
100{
101}
102
103string ReadMetadataElement::toString() const
104{
105 return "<" + _sTypeName + ">";
106}
107}
Concrete class for NcML <netcdf> element.
Definition: NetcdfElement.h:64
Concrete class for NcML <readMetadata> element.
NcML Parser for adding/modifying/removing metadata (attributes) to existing local datasets using NcML...