bes  Updated for version 3.20.5
BESResponseHandlerList.cc
1 // BESResponseHandlerList.cc
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 "BESResponseHandlerList.h"
34 
35 BESResponseHandlerList *BESResponseHandlerList::_instance = 0;
36 
51 bool BESResponseHandlerList::add_handler(const string &handler_name, p_response_handler handler_method)
52 {
53  BESResponseHandlerList::Handler_citer i = _handler_list.find(handler_name);
54  if (i == _handler_list.end()) {
55  _handler_list[handler_name] = handler_method;
56  return true;
57  }
58  return false;
59 }
60 
70 bool BESResponseHandlerList::remove_handler(const string &handler_name)
71 {
72  BESResponseHandlerList::Handler_iter i = _handler_list.find(handler_name);
73  if (i != _handler_list.end()) {
74  _handler_list.erase(i);
75  return true;
76  }
77  return false;
78 }
79 
93 BESResponseHandlerList::find_handler(const string &handler_name)
94 {
95  BESResponseHandlerList::Handler_citer i = _handler_list.find(handler_name);
96  if (i != _handler_list.end()) {
97  p_response_handler p = (*i).second;
98  if (p) {
99  return p(handler_name);
100  }
101  }
102  return 0;
103 }
104 
113 {
114  string ret = "";
115  bool first_name = true;
116  BESResponseHandlerList::Handler_citer i = _handler_list.begin();
117  for (; i != _handler_list.end(); i++) {
118  if (!first_name) ret += ", ";
119  ret += (*i).first;
120  first_name = false;
121  }
122  return ret;
123 }
124 
132 void BESResponseHandlerList::dump(ostream &strm) const
133 {
134  strm << BESIndent::LMarg << "BESResponseHandlerList::dump - (" << (void *) this << ")" << endl;
135  BESIndent::Indent();
136  if (_handler_list.size()) {
137  strm << BESIndent::LMarg << "registered response handlers:" << endl;
138  BESIndent::Indent();
139  BESResponseHandlerList::Handler_citer i = _handler_list.begin();
140  BESResponseHandlerList::Handler_citer ie = _handler_list.end();
141  for (; i != ie; i++) {
142  strm << BESIndent::LMarg << (*i).first << endl;
143  }
144  BESIndent::UnIndent();
145  }
146  else {
147  strm << BESIndent::LMarg << "registered response handlers: none" << endl;
148  }
149  BESIndent::UnIndent();
150 }
151 
153 BESResponseHandlerList::TheList()
154 {
155  if (_instance == 0) {
156  _instance = new BESResponseHandlerList;
157  }
158  return _instance;
159 }
160 
BESResponseHandlerList::dump
virtual void dump(ostream &strm) const
dumps information about this object
Definition: BESResponseHandlerList.cc:132
BESResponseHandlerList
List of all registered response handlers for this server.
Definition: BESResponseHandlerList.h:62
BESResponseHandlerList::remove_handler
virtual bool remove_handler(const string &handler)
removes a response handler from the list
Definition: BESResponseHandlerList.cc:70
BESResponseHandler
handler object that knows how to create a specific response object
Definition: BESResponseHandler.h:77
BESResponseHandlerList::find_handler
virtual BESResponseHandler * find_handler(const string &handler)
returns the response handler with the given name from the list
Definition: BESResponseHandlerList.cc:93
BESResponseHandlerList::get_handler_names
virtual string get_handler_names()
returns the comma separated list of all response handlers currently registered with this server.
Definition: BESResponseHandlerList.cc:112
BESResponseHandlerList::add_handler
virtual bool add_handler(const string &handler, p_response_handler handler_method)
add a response handler to the list
Definition: BESResponseHandlerList.cc:51