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Diffstat (limited to 'ext/Log4Qt/src/writerappender.cpp')
| -rwxr-xr-x | ext/Log4Qt/src/writerappender.cpp | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/ext/Log4Qt/src/writerappender.cpp b/ext/Log4Qt/src/writerappender.cpp new file mode 100755 index 0000000..adab4b0 --- /dev/null +++ b/ext/Log4Qt/src/writerappender.cpp @@ -0,0 +1,288 @@ +/****************************************************************************** + * + * package: Log4Qt + * file: writerappender.cpp + * created: September 2007 + * author: Martin Heinrich + * + * + * Copyright 2007 Martin Heinrich + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + + + +/****************************************************************************** + * Dependencies + ******************************************************************************/ + + +#include "writerappender.h" + +#include <QtCore/QDebug> +#include <QtCore/QTextCodec> +#include "layout.h" +#include "loggingevent.h" + + + +namespace Log4Qt +{ + + + /************************************************************************** + * Declarations + **************************************************************************/ + + + + /************************************************************************** + * C helper functions + **************************************************************************/ + + + + /************************************************************************** + * Class implementation: WriterAppender + **************************************************************************/ + + + WriterAppender::WriterAppender(QObject *pParent) : + AppenderSkeleton(false, pParent), + mpEncoding(0), + mpWriter(0), + mImmediateFlush(true) + { + } + + + WriterAppender::WriterAppender(Layout *pLayout, + QObject *pParent) : + AppenderSkeleton(false, pParent), + mpEncoding(0), + mpWriter(0), + mImmediateFlush(true) + { + setLayout(pLayout); + } + + + WriterAppender::WriterAppender(Layout *pLayout, + QTextStream *pTextStream, + QObject *pParent) : + AppenderSkeleton(false, pParent), + mpEncoding(0), + mpWriter(pTextStream), + mImmediateFlush(true) + { + setLayout(pLayout); + } + + + WriterAppender::~WriterAppender() + { + close(); + } + + + void WriterAppender::setEncoding(QTextCodec *pEncoding) + { + QMutexLocker locker(&mObjectGuard); + + if (mpEncoding == pEncoding) + return; + + mpEncoding = pEncoding; + if (mpWriter) + { + if (mpEncoding) + mpWriter->setCodec(mpEncoding); + else + mpWriter->setCodec(QTextCodec::codecForLocale()); + } + } + + + void WriterAppender::setWriter(QTextStream *pTextStream) + { + QMutexLocker locker(&mObjectGuard); + + closeWriter(); + + mpWriter = pTextStream; + if (mpEncoding && mpWriter) + mpWriter->setCodec(mpEncoding); + writeHeader(); + } + + + void WriterAppender::activateOptions() + { + QMutexLocker locker(&mObjectGuard); + + if (!writer()) + { + LogError e = LOG4QT_QCLASS_ERROR(QT_TR_NOOP("Activation of Appender '%1' that requires writer and has no writer set"), + APPENDER_ACTIVATE_MISSING_WRITER_ERROR); + e << name(); + logger()->error(e); + return; + } + + AppenderSkeleton::activateOptions(); + } + + + void WriterAppender::close() + { + QMutexLocker locker(&mObjectGuard); + + if (isClosed()) + return; + + AppenderSkeleton::close(); + closeWriter(); + } + + + bool WriterAppender::requiresLayout() const + { + return true; + } + + + void WriterAppender::append(const LoggingEvent &rEvent) + { + // Q_ASSERT_X(, "WriterAppender::append()", "Lock must be held by caller"); + Q_ASSERT_X(layout(), "WriterAppender::append()", "Layout must not be null"); + + QString message(layout()->format(rEvent)); + + *mpWriter << message; + if (handleIoErrors()) + return; + + if (immediateFlush()) + { + mpWriter->flush(); + if (handleIoErrors()) + return; + } + } + + + bool WriterAppender::checkEntryConditions() const + { + // Q_ASSERT_X(, "WriterAppender::checkEntryConditions()", "Lock must be held by caller") + + if (!writer()) + { + LogError e = LOG4QT_QCLASS_ERROR(QT_TR_NOOP("Use of appender '%1' without a writer set"), + APPENDER_USE_MISSING_WRITER_ERROR); + e << name(); + logger()->error(e); + return false; + } + + return AppenderSkeleton::checkEntryConditions(); + } + + + void WriterAppender::closeWriter() + { + // Q_ASSERT_X(, "WriterAppender::closeWriter()", "Lock must be held by caller") + + if (!mpWriter) + return; + + writeFooter(); + mpWriter = 0; + } + + +#ifndef QT_NO_DEBUG_STREAM + QDebug WriterAppender::debug(QDebug &rDebug) const + { + QString layout_name; + if (layout()) + layout_name = layout()->name(); + QString codec_name; + if (encoding()) + codec_name = QLatin1String(encoding()->name()); + + rDebug.nospace() << "WriterAppender(" + << "name:" << name() << " " + << "encoding:" << codec_name << " " + << "filter:" << firstFilter() + << "immediateFlush:" << immediateFlush() + << "isactive:" << isActive() + << "isclosed:" << isClosed() + << "layout:" << layout_name + << "referencecount:" << referenceCount() << " " + << "threshold:" << threshold().toString() + << "writer:" << writer() + << ")"; + return rDebug.space(); + } +#endif // QT_NO_DEBUG_STREAM + + + bool WriterAppender::handleIoErrors() const + { + return false; + } + + + void WriterAppender::writeFooter() const + { + // Q_ASSERT_X(, "WriterAppender::writeFooter()", "Lock must be held by caller") + + if (!layout() || !mpWriter) + return; + + QString footer = layout()->footer(); + if (footer.isEmpty()) + return; + + *mpWriter << footer << Layout::endOfLine(); + if (handleIoErrors()) + return; + } + + + void WriterAppender::writeHeader() const + { + // Q_ASSERT_X(, "WriterAppender::writeHeader()", "Lock must be held by caller") + + if (!layout() || !mpWriter) + return; + + QString header = layout()->header(); + if (header.isEmpty()) + return; + + *mpWriter << header << Layout::endOfLine(); + if (handleIoErrors()) + return; + } + + + + /****************************************************************************** + * Implementation: Operators, Helper + ******************************************************************************/ + + +} // namespace Log4Qt |