JWS C++ Library
C++ language utility library
writeable.cpp
Go to the documentation of this file.
00001 /*
00002  * This work is licensed under a Creative Commons 
00003  * Attribution-Noncommercial-Share Alike 3.0 United States License.
00004  * 
00005  *    http://creativecommons.org/licenses/by-nc-sa/3.0/us/
00006  * 
00007  * You are free:
00008  * 
00009  *    to Share - to copy, distribute, display, and perform the work
00010  *    to Remix - to make derivative works
00011  * 
00012  * Under the following conditions:
00013  * 
00014  *    Attribution. You must attribute the work in the manner specified by the
00015  *    author or licensor (but not in any way that suggests that they endorse you
00016  *    or your use of the work).
00017  * 
00018  *    Noncommercial. You may not use this work for commercial purposes.
00019  * 
00020  *    Share Alike. If you alter, transform, or build upon this work, you may
00021  *    distribute the resulting work only under the same or similar license to
00022  *    this one.
00023  * 
00024  * For any reuse or distribution, you must make clear to others the license
00025  * terms of this work. The best way to do this is by including this header.
00026  * 
00027  * Any of the above conditions can be waived if you get permission from the
00028  * copyright holder.
00029  * 
00030  * Apart from the remix rights granted under this license, nothing in this
00031  * license impairs or restricts the author's moral rights.
00032  */
00033 
00034 
00046 #include <jwsc++/config.h>
00047 
00048 #include <iostream>
00049 #include <sstream>
00050 #include <fstream>
00051 
00052 #include <jwsc++/base/exception.h>
00053 #include <jwsc++/base/writeable.h>
00054 
00055 #ifdef JWSCXX_HAVE_DMALLOC
00056 #include <dmalloc.h>
00057 #endif
00058 
00059 
00060 using namespace jwscxx::base;
00061 
00062 
00068 void Writeable::write(const char* fname) const throw (jwscxx::base::IO_error)
00069 {
00070     std::ofstream out;
00071     std::ostringstream ost;
00072 
00073     out.open(fname);
00074     if (out.fail())
00075     {
00076         ost << fname << ": Could not open file";
00077         throw IO_error(ost.str());
00078     }
00079 
00080     try
00081     {
00082         write(out);
00083     }
00084     catch (IO_error e)
00085     {
00086         ost << fname << ": " << e.get_msg();
00087         throw IO_error(ost.str());
00088     }
00089 
00090     out.close();
00091     if (out.fail())
00092     {
00093         ost << fname << ": Could not close file";
00094         throw IO_error(ost.str());
00095     }
00096 }