2 * Copyright 2001-2006 Internet2
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
24 #include "exceptions.h"
25 #include "XMLToolingConfig.h"
26 #include "util/XMLConstants.h"
27 #include "util/XMLHelper.h"
31 #include <xercesc/util/XMLUniDefs.hpp>
33 using namespace xmltooling;
35 using xmlconstants::XMLTOOLING_NS;
37 params::params(int count,...)
42 v.push_back(va_arg(args,char*));
46 namedparams::namedparams(int count,...)
52 v.push_back(va_arg(args,char*));
56 XMLToolingException::ExceptionFactoryMap XMLToolingException::m_factoryMap;
58 XMLToolingException* XMLToolingException::getInstance(const char* exceptionClass)
61 ExceptionFactoryMap::const_iterator i=m_factoryMap.find(exceptionClass);
62 if (i!=m_factoryMap.end())
65 return new XMLToolingException();
68 XMLToolingException::XMLToolingException(const char* msg, const params& p)
75 XMLToolingException::XMLToolingException(const char* msg, const namedparams& p)
82 XMLToolingException::XMLToolingException(const std::string& msg, const params& p) : m_msg(msg)
87 XMLToolingException::XMLToolingException(const std::string& msg, const namedparams& p) : m_msg(msg)
92 void XMLToolingException::setMessage(const char* msg)
98 m_processedmsg.erase();
101 inline const char* get_digit_character()
103 static const char s_characters[19] =
125 static const char *s_mid = s_characters + 9;
130 inline const char* unsigned_integer_to_string(char* buf, size_t cchBuf, int i)
132 char* psz=buf + cchBuf - 1; // Set psz to last char
133 *psz = 0; // Set terminating null
136 unsigned int lsd = i % 10; // Get least significant
139 i /= 10; // Prepare for next most
144 *psz = get_digit_character()[lsd]; // Place the digit
146 } while(i!=0 && psz>buf);
151 void XMLToolingException::addProperties(const params& p)
153 m_processedmsg.erase();
154 int i=m_params.size()+1;
156 const vector<const char*>& v=p.get();
157 for (vector<const char*>::const_iterator ci=v.begin(); ci!=v.end(); ci++) {
158 m_params[unsigned_integer_to_string(buf,sizeof(buf),i++)] = *ci;
162 void XMLToolingException::addProperties(const namedparams& p)
164 m_processedmsg.erase();
165 const vector<const char*>& v=p.get();
166 for (vector<const char*>::const_iterator ci=v.begin(); ci!=v.end(); ci++) {
168 m_params[*ci] = *(ci+1);
169 ci++; // advance past name to value, then loop will advance it again
173 const char* XMLToolingException::getProperty(unsigned int index) const
176 map<string,string>::const_iterator i=m_params.find(unsigned_integer_to_string(buf,sizeof(buf),index));
177 return (i==m_params.end()) ? NULL : i->second.c_str();
180 const char* XMLToolingException::getProperty(const char* name) const
182 map<string,string>::const_iterator i=m_params.find(name);
183 return (i==m_params.end()) ? NULL : i->second.c_str();
186 const char* XMLToolingException::getMessage() const
188 if (!m_processedmsg.empty())
189 return m_processedmsg.c_str();
190 else if (m_params.empty())
191 return m_msg.c_str();
193 static const char* legal="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890_";
195 // Replace any parameters in the message.
196 string::size_type i=0,start=0;
197 while (start!=string::npos && start<m_msg.length() && (i=m_msg.find("$",start))!=string::npos) {
199 m_processedmsg += m_msg.substr(start,i-start); // append everything in between
200 start=i+1; // move start to the beginning of the token name
201 i=m_msg.find_first_not_of(legal,start); // find token delimiter
202 if (i==start) { // append a non legal character
203 m_processedmsg+=m_msg[start++];
207 // search for token in map
208 map<string,string>::const_iterator param=m_params.find(m_msg.substr(start,(i==string::npos) ? i : i-start));
209 if (param!=m_params.end()) {
210 m_processedmsg+=param->second;
214 if (start!=string::npos && start<m_msg.length())
215 m_processedmsg += m_msg.substr(start,i); // append rest of string
216 return m_processedmsg.c_str();
219 string XMLToolingException::toString() const
221 string xml=string("<exception xmlns=\"http://www.opensaml.org/xmltooling\" type=\"") + getClassName() + "\">";
222 const char* msg=getMessage();
224 xml=xml + "<message>" + msg + "</message>";
225 for (map<string,string>::const_iterator i=m_params.begin(); i!=m_params.end(); i++) {
226 xml=xml + "<param name=\"" + i->first + "\">" + i->second + "</param>";
232 XMLToolingException* XMLToolingException::fromStream(std::istream& in)
234 static const XMLCh exception[] = { chLatin_e, chLatin_x, chLatin_c, chLatin_e, chLatin_p, chLatin_t, chLatin_i, chLatin_o, chLatin_n, chNull };
235 static const XMLCh message[] = { chLatin_m, chLatin_e, chLatin_s, chLatin_s, chLatin_a, chLatin_g, chLatin_e, chNull };
236 static const XMLCh name[] = { chLatin_n, chLatin_a, chLatin_m, chLatin_e, chNull };
237 static const XMLCh param[] = { chLatin_p, chLatin_a, chLatin_r, chLatin_a, chLatin_m, chNull };
238 static const XMLCh type[] = { chLatin_t, chLatin_y, chLatin_p, chLatin_e, chNull };
240 DOMDocument* doc=XMLToolingConfig::getConfig().getParser().parse(in);
242 // Check root element.
243 const DOMElement* root=doc->getDocumentElement();
244 if (!XMLHelper::isNodeNamed(root,XMLTOOLING_NS,exception)) {
246 throw XMLToolingException("Invalid root element on serialized exception.");
249 auto_ptr_char classname(root->getAttributeNS(NULL,type));
250 auto_ptr<XMLToolingException> excep(XMLToolingException::getInstance(classname.get()));
252 DOMElement* child=XMLHelper::getFirstChildElement(root,XMLTOOLING_NS,message);
253 if (child && child->hasChildNodes()) {
254 auto_ptr_char m(child->getFirstChild()->getNodeValue());
255 excep->setMessage(m.get());
258 child=XMLHelper::getFirstChildElement(root,XMLTOOLING_NS,param);
259 while (child && child->hasChildNodes()) {
260 auto_ptr_char n(child->getAttributeNS(NULL,name));
261 char* v=toUTF8(child->getFirstChild()->getNodeValue());
263 excep->addProperty(n.get(), v);
264 XMLString::release(&v);
265 child=XMLHelper::getNextSiblingElement(root,XMLTOOLING_NS,param);
269 return excep.release();
272 XMLToolingException* XMLToolingException::fromString(const char* s)
275 return fromStream(in);