diff options
Diffstat (limited to 'rbutil/rbutilqt/logger/src/FileAppender.cpp')
-rw-r--r-- | rbutil/rbutilqt/logger/src/FileAppender.cpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/rbutil/rbutilqt/logger/src/FileAppender.cpp b/rbutil/rbutilqt/logger/src/FileAppender.cpp new file mode 100644 index 0000000000..b9018b0324 --- /dev/null +++ b/rbutil/rbutilqt/logger/src/FileAppender.cpp @@ -0,0 +1,116 @@ +/* + Copyright (c) 2010 Boris Moiseev (cyberbobs at gmail dot com) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License version 2.1 + as published by the Free Software Foundation and appearing in the file + LICENSE.LGPL included in the packaging of this file. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. +*/ +// Local +#include "FileAppender.h" + +// STL +#include <iostream> + +/** + * \class FileAppender + * + * \brief Simple appender that writes the log records to the plain text file. + */ + + +//! Constructs the new file appender assigned to file with the given name. +FileAppender::FileAppender(const QString& fileName) +{ + setFileName(fileName); +} + + +FileAppender::~FileAppender() +{ + closeFile(); +} + + +//! Returns the name set by setFileName() or to the FileAppender constructor. +/** + * \sa setFileName() + */ +QString FileAppender::fileName() const +{ + QMutexLocker locker(&m_logFileMutex); + return m_logFile.fileName(); +} + + +//! Sets the name of the file. The name can have no path, a relative path, or an absolute path. +/** + * \sa fileName() + */ +void FileAppender::setFileName(const QString& s) +{ + if (s.isEmpty()) + std::cerr << "<FileAppender::FileAppender> File name is empty. The appender will do nothing" << std::endl; + + QMutexLocker locker(&m_logFileMutex); + if (m_logFile.isOpen()) + m_logFile.close(); + + m_logFile.setFileName(s); +} + + +bool FileAppender::reopenFile() +{ + closeFile(); + return openFile(); +} + + +bool FileAppender::openFile() +{ + if (m_logFile.fileName().isEmpty()) + return false; + + bool isOpen = m_logFile.isOpen(); + if (!isOpen) + { + isOpen = m_logFile.open(QIODevice::WriteOnly | QIODevice::Append | QIODevice::Text); + if (isOpen) + m_logStream.setDevice(&m_logFile); + else + std::cerr << "<FileAppender::append> Cannot open the log file " << qPrintable(m_logFile.fileName()) << std::endl; + } + return isOpen; +} + + +//! Write the log record to the file. +/** + * \sa fileName() + * \sa AbstractStringAppender::format() + */ +void FileAppender::append(const QDateTime& timeStamp, Logger::LogLevel logLevel, const char* file, int line, + const char* function, const QString& category, const QString& message) +{ + QMutexLocker locker(&m_logFileMutex); + + if (openFile()) + { + m_logStream << formattedString(timeStamp, logLevel, file, line, function, category, message); + m_logStream.flush(); + m_logFile.flush(); + } +} + + +void FileAppender::closeFile() +{ + QMutexLocker locker(&m_logFileMutex); + m_logFile.close(); +} |