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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you 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 .
*/
#pragma once
#include <sal/config.h>
#include <string_view>
#include <com/sun/star/logging/XLogFormatter.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/logging/LogRecord.hpp>
#include <comphelper/namedvaluecollection.hxx>
#include <cppuhelper/interfacecontainer.hxx>
#include <rtl/string.hxx>
namespace logging
{
class LogHandlerHelper
{
private:
// <attributes>
rtl_TextEncoding m_eEncoding;
sal_Int32 m_nLevel;
css::uno::Reference< css::logging::XLogFormatter >
m_xFormatter;
// <//attributes>
css::uno::Reference< css::uno::XComponentContext >
m_xContext;
::osl::Mutex& m_rMutex;
::cppu::OBroadcastHelper& m_rBHelper;
bool m_bInitialized;
public:
LogHandlerHelper(
const css::uno::Reference< css::uno::XComponentContext >& _rxContext,
::osl::Mutex& _rMutex,
::cppu::OBroadcastHelper& _rBHelper
);
public:
void setIsInitialized() { m_bInitialized = true; }
bool getEncoding( OUString& _out_rEncoding ) const;
bool setEncoding( std::u16string_view _rEncoding );
rtl_TextEncoding
getTextEncoding() const { return m_eEncoding; }
const css::uno::Reference< css::logging::XLogFormatter >&
getFormatter() const { return m_xFormatter; }
void
setFormatter( const css::uno::Reference< css::logging::XLogFormatter >& _rxFormatter )
{
m_xFormatter = _rxFormatter;
}
sal_Int32
getLevel() const { return m_nLevel; }
void
setLevel( const sal_Int32 _nLevel )
{
m_nLevel = _nLevel;
}
/** prepares implementation of a public accessible method of a log handler
<code>enterMethod</code> does the following things:
<ul><li>It acquires the mutex given in the constructor.</li>
<li>It checks whether the component is already initialized, and throws an exception if not os.</li>
<li>It checks whether the component is already disposed, and throws an exception if not os.</li>
<li>It creates a default formatter (PlainTextFormatter), if no formatter exists at this time.</li>
</ul>
*/
void enterMethod();
/** formats a record for publishing it
The method first checks whether the records log level is greater or equal our own
log level. If not, <FALSE/> is returned.
Second, our formatter is used to create a unicode string from the log record. If an error occurs
during this, e.g. if the formatter is <NULL/> or throws an exception during formatting,
<FALSE/> is returned.
Finally, the unicode string is encoded into a byte string, using our encoding setting. Then,
<TRUE/> is returned.
*/
bool formatForPublishing( const css::logging::LogRecord& _rRecord, OString& _out_rEntry ) const;
/** retrieves our formatter's heading, encoded with our encoding
@return <TRUE/> in case of success, <FALSE/> if any error occurred
*/
bool getEncodedHead( OString& _out_rHead ) const;
/** retrieves our formatter's tail, encoded with our encoding
@return <TRUE/> in case of success, <FALSE/> if any error occurred
*/
bool getEncodedTail( OString& _out_rTail ) const;
/** initializes the instance from a collection of named settings
The recognized named settings are <code>Encoding</code>, <code>Formatter</code>, and <code>Level</code>,
which initialize the respective attributes.
Settings which are recognized are remove from the given collection. This allows
the caller to determine whether or not the collection contained any unsupported
items, and react appropriately.
@throws IllegalArgumentException
if one of the values in the collection is of wrong type.
*/
void initFromSettings( const ::comphelper::NamedValueCollection& _rSettings );
};
} // namespace logging
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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