OPeNDAP Hyrax Back End Server (BES)  Updated for version 3.8.3
BESBaseApp.cc
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1 // BESBaseApp.C
2 
3 // This file is part of bes, A C++ back-end server implementation framework
4 // for the OPeNDAP Data Access Protocol.
5 
6 // Copyright (c) 2004-2009 University Corporation for Atmospheric Research
7 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
8 //
9 // This library is free software; you can redistribute it and/or
10 // modify it under the terms of the GNU Lesser General Public
11 // License as published by the Free Software Foundation; either
12 // version 2.1 of the License, or (at your option) any later version.
13 //
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 // Lesser General Public License for more details.
18 //
19 // You should have received a copy of the GNU Lesser General Public
20 // License along with this library; if not, write to the Free Software
21 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 //
23 // You can contact University Corporation for Atmospheric Research at
24 // 3080 Center Green Drive, Boulder, CO 80301
25 
26 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
27 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
28 //
29 // Authors:
30 // pwest Patrick West <pwest@ucar.edu>
31 // jgarcia Jose Garcia <jgarcia@ucar.edu>
32 
33 #include <iostream>
34 
35 using std::cerr ;
36 using std::endl ;
37 
38 #include "BESBaseApp.h"
39 #include "BESGlobalIQ.h"
40 #include "BESInternalError.h"
41 
43 
50 {
51  BESApp::_theApplication = this;
52 }
53 
60 {
61  BESApp::_theApplication = 0;
62 }
63 
74 int
75 BESBaseApp::main(int argC, char **argV)
76 {
77  _appName = argV[0] ;
78  int retVal = initialize( argC, argV ) ;
79  if( retVal == 0 )
80  {
81  retVal = run() ;
82  retVal = terminate( retVal ) ;
83  }
84  return retVal ;
85 }
86 
98 int
99 BESBaseApp::initialize(int argC, char **argV)
100 {
101  int retVal = 0;
102 
103  // initialize application information
104  try
105  {
106  if( !_isInitialized )
107  BESGlobalIQ::BESGlobalInit( argC, argV ) ;
108  _isInitialized = true ;
109  }
110  catch( BESError &e )
111  {
112  string newerr = "Error initializing application: " ;
113  newerr += e.get_message() ;
114  cerr << newerr << endl ;
115  retVal = 1 ;
116  }
117  catch( ... )
118  {
119  string newerr = "Error initializing application: " ;
120  newerr += "caught unknown exception" ;
121  cerr << newerr << endl ;
122  retVal = 1 ;
123  }
124 
125  return retVal ;
126 }
127 
136 int
138 {
139  throw BESInternalError( "BESBaseApp::run - run method not implemented",
140  __FILE__, __LINE__ ) ;
141  return 0;
142 }
143 
153 int
155 {
157  _isInitialized = false ;
158  return sig ;
159 }
160 
168 void
169 BESBaseApp::dump( ostream &strm ) const
170 {
171  strm << BESIndent::LMarg << "BESBaseApp::dump - (" << (void *)this << ")" << endl ;
173  strm << BESIndent::LMarg << "appName: " << appName() << endl ;
174  strm << BESIndent::LMarg << "is initialized: " << _isInitialized << endl ;
176 }
177 
virtual int initialize(int argC, char **argV)
initialize the BES application
Definition: BESBaseApp.cc:99
exception thrown if inernal error encountered
static BESApp * _theApplication
Definition: BESApp.h:63
virtual int main(int argC, char **argV)
main method of the BES application
Definition: BESBaseApp.cc:75
string _appName
Definition: BESApp.h:60
virtual void dump(ostream &strm) const
dumps information about this object
Definition: BESBaseApp.cc:169
static bool BESGlobalQuit(void)
Runs the termination functions in reverse order of initialization, providing the application to clean...
Definition: BESGlobalIQ.cc:94
static void Indent()
Definition: BESIndent.cc:38
virtual string get_message()
get the error message for this exception
Definition: BESError.h:91
Abstract exception class for the BES with basic string message.
Definition: BESError.h:51
static ostream & LMarg(ostream &strm)
Definition: BESIndent.cc:73
static bool BESGlobalInit(int argc, char **argv)
initialize global objects in an orderly fashion.
Definition: BESGlobalIQ.cc:61
virtual ~BESBaseApp(void)
Default destructor.
Definition: BESBaseApp.cc:59
string appName(void) const
Returns the name of the application.
Definition: BESApp.h:132
virtual int terminate(int sig=0)
clean up after the application
Definition: BESBaseApp.cc:154
BESBaseApp(void)
Default constructor.
Definition: BESBaseApp.cc:49
Application class for BES applications.
Definition: BESApp.h:57
bool _isInitialized
Definition: BESApp.h:62
static void UnIndent()
Definition: BESIndent.cc:44
virtual int run(void)
the applications functionality is implemented in the run method
Definition: BESBaseApp.cc:137