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// --------------------------------------------------------------------------
// OpenMS -- Open-Source Mass Spectrometry
// --------------------------------------------------------------------------
// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2013.
//
// This software is released under a three-clause BSD license:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of any author or any participating institution
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
// For a full list of authors, refer to the file AUTHORS.
// --------------------------------------------------------------------------
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL ANY OF THE AUTHORS OR THE CONTRIBUTING
// INSTITUTIONS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// --------------------------------------------------------------------------
// $Maintainer: Stephan Aiche$
// $Authors: Stephan Aiche$
// --------------------------------------------------------------------------
#include <iostream>
#include <fstream>
#include <sstream>
#include <OpenMS/CONCEPT/StreamHandler.h>
#include <OpenMS/SYSTEM/File.h>
#include <OpenMS/CONCEPT/Exception.h>
#include <OpenMS/CONCEPT/LogStream.h>
using std::ios_base;
using std::ostringstream;
using std::ofstream;
namespace OpenMS
{
StreamHandler::StreamHandler()
{
}
StreamHandler::StreamHandler(const StreamHandler & source)
{
name_to_stream_map_ = source.name_to_stream_map_;
name_to_counter_map_ = source.name_to_counter_map_;
name_to_type_map_ = source.name_to_type_map_;
}
StreamHandler::~StreamHandler()
{
// close all associated streams
for (map<String, ostream *>::iterator iter = name_to_stream_map_.begin(); iter != name_to_stream_map_.end(); ++iter)
{
ostream * stream_pointer = iter->second;
// file streams need to be closed before
if (name_to_type_map_[iter->first] == FILE)
{
(static_cast<ofstream *>(stream_pointer))->close();
}
delete stream_pointer; // call destructor
}
}
StreamHandler & StreamHandler::operator=(const StreamHandler & source)
{
name_to_stream_map_ = source.name_to_stream_map_;
name_to_counter_map_ = source.name_to_counter_map_;
name_to_type_map_ = source.name_to_type_map_;
return *this;
}
ostream & StreamHandler::getStream(StreamType const type, const String & stream_name)
{
if (hasStream(type, stream_name))
{
return *name_to_stream_map_[stream_name];
}
else
{
throw Exception::ElementNotFound(__FILE__, __LINE__, __PRETTY_FUNCTION__, stream_name);
}
}
ostream * StreamHandler::createStream_(const StreamType type, const String & stream_name)
{
ostream * stream_pointer;
switch (type)
{
case STRING:
stream_pointer = new ostringstream();
break;
case FILE:
default:
stream_pointer = new ofstream(File::absolutePath(stream_name).c_str(), ios_base::app);
break;
}
return stream_pointer;
}
Int StreamHandler::registerStream(StreamType const type, const String & stream_name)
{
Int state = 1;
if (name_to_stream_map_.count(stream_name) == 0) // this is an unknown stream .. register
{
name_to_stream_map_[stream_name] = createStream_(type, stream_name);
name_to_type_map_[stream_name] = type;
name_to_counter_map_[stream_name] = 1;
// check stream
if (name_to_stream_map_[stream_name]->fail())
{
state = 1; // indicate that something went wrong while creating this stream
}
}
else
{
// check type consistency
if (name_to_type_map_[stream_name] != type)
{
throw Exception::IllegalArgument(__FILE__, __LINE__, __PRETTY_FUNCTION__, "This stream was already registered with a different type.");
}
++name_to_counter_map_[stream_name];
}
return state;
}
bool StreamHandler::hasStream(const StreamType type, const String & stream_name)
{
if (name_to_stream_map_.count(stream_name) != 0)
{
return name_to_type_map_[stream_name] == type;
}
else
{
return false;
}
}
void StreamHandler::unregisterStream(StreamType const type, const String & stream_name)
{
if (name_to_stream_map_.count(stream_name) != 0) // check if we know this stream
{
if (name_to_counter_map_[stream_name] > 1)
{
// if there are still references left to this stream
// just decrease the number of references
--name_to_counter_map_[stream_name];
}
else
{
// delete the stream
if (type == FILE)
{
// file streams need to be closed before
(static_cast<ofstream *>(name_to_stream_map_[stream_name]))->close();
}
delete name_to_stream_map_[stream_name];
// remove entry from the local registry
name_to_stream_map_.erase(stream_name);
name_to_counter_map_.erase(stream_name);
name_to_type_map_.erase(stream_name);
}
}
else
{
throw Exception::ElementNotFound(__FILE__, __LINE__, __PRETTY_FUNCTION__, stream_name);
}
}
std::ostream & operator<<(std::ostream & os, StreamHandler const & stream_handler)
{
for (map<String, ostream *>::const_iterator iter = stream_handler.name_to_stream_map_.begin(); iter != stream_handler.name_to_stream_map_.end(); ++iter)
{
os << "[" << iter->first << "] of type";
if ((stream_handler.name_to_type_map_.find(iter->first))->second == StreamHandler::FILE)
{
os << " FILE";
}
else
{
os << " STRING";
}
os << " #" << (stream_handler.name_to_counter_map_.find(iter->first))->second << " " << iter->second << std::endl;
}
return os;
}
} // end namespace OpenMS
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