OPeNDAP Hyrax Back End Server (BES) Updated for version 3.8.3
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00001 // BESXMLGetDataDDXCommand.cc 00002 00003 // This file is part of bes, A C++ back-end server implementation framework 00004 // for the OPeNDAP Data Access Protocol. 00005 00006 // Copyright (c) 2004,2005 University Corporation for Atmospheric Research 00007 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu> 00008 // 00009 // This library is free software; you can redistribute it and/or 00010 // modify it under the terms of the GNU Lesser General Public 00011 // License as published by the Free Software Foundation; either 00012 // version 2.1 of the License, or (at your option) any later version. 00013 // 00014 // This library is distributed in the hope that it will be useful, 00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 // Lesser General Public License for more details. 00018 // 00019 // You should have received a copy of the GNU Lesser General Public 00020 // License along with this library; if not, write to the Free Software 00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00022 // 00023 // You can contact University Corporation for Atmospheric Research at 00024 // 3080 Center Green Drive, Boulder, CO 80301 00025 00026 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005 00027 // Please read the full copyright statement in the file COPYRIGHT_UCAR. 00028 // 00029 // Authors: 00030 // pwest Patrick West <pwest@ucar.edu> 00031 // jgarcia Jose Garcia <jgarcia@ucar.edu> 00032 00033 #include "BESXMLGetDataDDXCommand.h" 00034 #include "BESDefinitionStorageList.h" 00035 #include "BESDefinitionStorage.h" 00036 #include "BESDefine.h" 00037 #include "BESDapNames.h" 00038 #include "BESResponseNames.h" 00039 #include "BESXMLUtils.h" 00040 #include "BESUtil.h" 00041 #include "BESSyntaxUserError.h" 00042 #include "BESDebug.h" 00043 00044 BESXMLGetDataDDXCommand::BESXMLGetDataDDXCommand( const BESDataHandlerInterface &base_dhi ) 00045 : BESXMLGetCommand( base_dhi ) 00046 { 00047 } 00048 00055 void 00056 BESXMLGetDataDDXCommand::parse_request( xmlNode *node ) 00057 { 00058 string name ; 00059 string value ; 00060 map<string, string> props ; 00061 BESXMLUtils::GetNodeInfo( node, name, value, props ) ; 00062 00063 if( name != GET_RESPONSE ) 00064 { 00065 string err = "The specified command " + name 00066 + " is not a get command" ; 00067 throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ; 00068 } 00069 00070 string type = props["type"] ; 00071 if( type.empty() || type != DATADDX_SERVICE ) 00072 { 00073 string err = name + " command: data product must be " 00074 + DATADDX_SERVICE ; 00075 throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ; 00076 } 00077 00078 parse_basic_get( node, name, type, value, props ) ; 00079 00080 // Get the elements for contentStartId and mimeBoundary 00081 map<string,string> cprops ; 00082 string cname ; 00083 string cval ; 00084 int elems = 0 ; 00085 xmlNode *cnode = BESXMLUtils::GetFirstChild( node, cname, cval, cprops ) ; 00086 while( cnode && (elems < 2) ) 00087 { 00088 if( cname == "contentStartId" ) 00089 { 00090 if( !_contentStartId.empty() ) 00091 { 00092 string err = name 00093 + " command: contentStartId has multiple values" ; 00094 throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ; 00095 } 00096 _contentStartId = cval ; 00097 _str_cmd += " contentStartId " + _contentStartId ; 00098 elems++ ; 00099 } 00100 if( cname == "mimeBoundary" ) 00101 { 00102 if( !_mimeBoundary.empty() ) 00103 { 00104 string err = name 00105 + " command: mimeBoundary has multiple values" ; 00106 throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ; 00107 } 00108 _mimeBoundary = cval ; 00109 _str_cmd += " mimeBoundary " + _mimeBoundary ; 00110 elems++ ; 00111 } 00112 cprops.clear() ; 00113 cnode = BESXMLUtils::GetNextChild( cnode, cname, cval, cprops ) ; 00114 } 00115 if( _contentStartId.empty() ) 00116 { 00117 string err = name + " command: contentStartId not specified" ; 00118 throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ; 00119 } 00120 if( _mimeBoundary.empty() ) 00121 { 00122 string err = name + " command: mimeBoundary not specified" ; 00123 throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ; 00124 } 00125 _str_cmd += ";" ; 00126 00127 // now that we've set the action, go get the response handler for the 00128 // action 00129 BESXMLCommand::set_response() ; 00130 } 00131 00137 void 00138 BESXMLGetDataDDXCommand::prep_request() 00139 { 00140 BESXMLGetCommand::prep_request() ; 00141 _dhi.data[DATADDX_STARTID] = _contentStartId ; 00142 _dhi.data[DATADDX_BOUNDARY] = _mimeBoundary ; 00143 } 00144 00151 void 00152 BESXMLGetDataDDXCommand::dump( ostream &strm ) const 00153 { 00154 strm << BESIndent::LMarg << "BESXMLGetDataDDXCommand::dump - (" 00155 << (void *)this << ")" << endl ; 00156 BESIndent::Indent() ; 00157 BESXMLCommand::dump( strm ) ; 00158 BESIndent::UnIndent() ; 00159 } 00160 00161 BESXMLCommand * 00162 BESXMLGetDataDDXCommand::CommandBuilder( const BESDataHandlerInterface &base_dhi ) 00163 { 00164 return new BESXMLGetDataDDXCommand( base_dhi ) ; 00165 } 00166