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diff --git a/org.glite.wms-utils.exception/src/Exception.cpp b/org.glite.wms-utils.exception/src/Exception.cpp
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index 0000000..5f8e8d4
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+++ b/org.glite.wms-utils.exception/src/Exception.cpp
@@ -0,0 +1,103 @@
+/* **************************************************************************
+*  filename  : Exceptions.cpp
+*  author    : Alessandro Maraschini <alessandro.maraschini@datamat.it>
+*  copyright : (C) 2002 by DATAMAT
+***************************************************************************/
+
+#include "glite/wmsutils/exception/Exceptions.h"
+#include "glite/wmsutils/exception/exception_codes.h"
+namespace glite { 
+namespace wmsutils{ 
+namespace exception {
+pthread_mutex_t METHOD_MUTEX  ;  // This mutex is used in order to lock the file for writing log infornation
+/* *********************************
+* Exception Class Implementation
+************************************/
+Exception::Exception () {
+       stack= "";
+       line = 0;
+} ;
+Exception::~Exception() throw(){ }
+/**
+* Exception chainig
+*/
+Exception::Exception (  const string& source,   const string& method,    Exception *e){
+       source_file = source ;
+       method_name    = method;
+       error_message = "";
+       stack= e->printStackTrace();
+       ancestor = e->what() ;
+       line = 0;
+       error_code= 0;
+};
+Exception::Exception( const std::string& file,  int line_number,    
+       const std::string& method,   int code,  const std::string& name): error_code(code), exception_name(name){
+               source_file    = file;
+               line           = line_number;
+               method_name    = method;
+               stack= "";
+};
+Exception::Exception (const string& source,
+       const string& method,
+       int code,
+       const string& exception)
+       : error_code(code), exception_name(exception){
+               source_file    = source;
+               method_name    = method;
+               stack= "";
+               line = 0;
+};
+
+int Exception::getCode(){
+       if  (error_code != 0) return error_code ;
+       else return WL_COMMON_BASE;
+};
+
+const char* Exception::what() const throw(){
+       if (!ancestor.empty() ) return ancestor.c_str() ;
+       if  ( error_message != "") return error_message.c_str() ;
+       else return "" ;
+};
+
+string Exception::getExceptionName(){
+       if  (exception_name!= "") return exception_name;
+       else return "" ;
+};
+void Exception::log(const std::string& logfile){
+       if (  logfile == "") syslog (  LOG_PERROR,   (char *)  (dbgMessage()).c_str()  );
+       else{
+               pthread_mutex_lock( &METHOD_MUTEX);                   //   LOCK
+               ofstream fout ((char *)   logfile.c_str()  , ios::app );  //Open the file for writing (if it doesn't exist then it will be created)
+               fout << "\n" << dbgMessage() ;  //write (append) the message
+               fout.close();  //close the file
+               pthread_mutex_unlock( &METHOD_MUTEX);               //   UNLOCK
+       }
+};
+string Exception::printStackTrace(){
+       return stack + "\n" + dbgMessage();
+};
+
+string Exception::dbgMessage(){
+       string result ;
+       //Adding exception Name
+       if ( exception_name!="") result = exception_name ;
+       //Adding error msg
+       if (error_message!="") result +=": " + string(what());
+       // Appending newline if needed
+       if (result != "") result+="\n";
+       //Adding  Source
+       result +="         at " + source_file ;
+       //Adding line number
+       if (line!=0){
+               char buffer [1024] ;
+               sprintf (buffer, "%i" ,  line) ;
+               result += " Line: " + string ( buffer );
+       }
+       result +=" " ;
+       //Adding Method Name
+       if (method_name != "") result += "Method: " +method_name ;
+       return result;
+}
+
+}}}  // Closing namespace
+