void PropertyConfigurator::configureFromFile(const QString &rConfigFileName,
LoggerRepository *pLoggerRepository)
{
QFile file(rConfigFileName);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
{
LogError e = LOG4QT_ERROR(QT_TR_NOOP("Unable to open property file '%1'"),
CONFIGURATOR_OPENING_FILE_ERROR,
"Log4Qt::PropertyConfigurator");
e << rConfigFileName;
e.addCausingError(LogError(file.errorString(), file.error()));
logger()->error(e);
return;
}
Properties properties;
properties.load(&file);
if (file.error())
{
LogError e = LOG4QT_ERROR(QT_TR_NOOP("Unable to read property file '%1'"),
CONFIGURATOR_READING_FILE_ERROR,
"Log4Qt::PropertyConfigurator");
e << rConfigFileName;
e.addCausingError(LogError(file.errorString(), file.error()));
logger()->error(e);
return;
}
configureFromProperties(properties, pLoggerRepository);
}
int PatternFormatter::parseIntegerOption(const QString &rOption)
{
if (rOption.isEmpty())
return 0;
bool ok;
int result = rOption.toInt(&ok);
if (!ok)
{
LogError e = LOG4QT_ERROR(QT_TR_NOOP("Option '%1' cannot be converted into an integer"),
LAYOUT_OPTION_IS_NOT_INTEGER_ERROR,
"Log4Qt::PatterFormatter");
e << rOption;
logger()->error(e);
}
if (result < 0)
{
LogError e = LOG4QT_ERROR(QT_TR_NOOP("Option %1 isn't a positive integer"),
LAYOUT_INTEGER_IS_NOT_POSITIVE_ERROR,
"Log4Qt::PatterFormatter");
e << result;
logger()->error(e);
result = 0;
}
return result;
}
void DatabaseAppender::append(const LoggingEvent &rEvent)
{
DatabaseLayout *databaseLayout = qobject_cast<DatabaseLayout *>(layout());
if (databaseLayout)
{
QSqlRecord record = databaseLayout->formatRecord(rEvent);
QSqlDatabase database = QSqlDatabase::database(connectionName);
QSqlQuery query(database);
if (!query.exec(database.driver()->sqlStatement(QSqlDriver::InsertStatement
, tableName, record, false)))
{
LogError e = LOG4QT_ERROR(QT_TR_NOOP("Sql query exec error: '%1'"),
APPENDER_EXEC_SQL_QUERY_ERROR,
Q_FUNC_INFO);
e << query.lastQuery() + " " + query.lastError().text();
logger()->error(e);
}
}
else
{
LogError e = LOG4QT_QCLASS_ERROR(QT_TR_NOOP("Use of appender '%1' with invalid layout"),
APPENDER_INVALID_DATABASE_LAYOUT_ERROR);
e << name();
logger()->error(e);
}
}
int OptionConverter::toTarget(const QString &rOption,
bool *p_ok)
{
const QLatin1String java_stdout("system.out");
const QLatin1String cpp_stdout("stdout_target");
const QLatin1String java_stderr("system.err");
const QLatin1String cpp_stderr("stderr_target");
if (p_ok)
*p_ok = true;
QString s = rOption.trimmed().toLower();
if (s == java_stdout || s == cpp_stdout)
return ConsoleAppender::STDOUT_TARGET;
if (s == java_stderr || s == cpp_stderr)
return ConsoleAppender::STDERR_TARGET;
if (p_ok)
*p_ok = false;
LogError e = LOG4QT_ERROR(QT_TR_NOOP("Invalid option string '%1' for a target"),
CONFIGURATOR_INVALID_OPTION_ERROR,
"Log4Qt::OptionConverter");
e << rOption;
logger()->error(e);
return ConsoleAppender::STDOUT_TARGET;
}
bool OptionConverter::toBoolean(const QString &rOption,
bool *p_ok)
{
const QLatin1String str_true("true");
const QLatin1String str_enabled("enabled");
const QLatin1String str_one("1");
const QLatin1String str_false("false");
const QLatin1String str_disabled("disabled");
const QLatin1String str_zero("0");
if (p_ok)
*p_ok = true;
QString s = rOption.trimmed().toLower();
if (s == str_true || s == str_enabled || s == str_one)
return true;
if (s == str_false || s == str_disabled || s == str_zero)
return false;
if (p_ok)
*p_ok = false;
LogError e = LOG4QT_ERROR(QT_TR_NOOP("Invalid option string '%1' for a boolean"),
CONFIGURATOR_INVALID_OPTION_ERROR,
"Log4Qt::OptionConverter");
e << rOption;
logger()->error(e);
return false;
}
void Factory::doSetObjectProperty(QObject *pObject,
const QString &rProperty,
const QString &rValue)
{
// - Validate property
// - Get correct property name from meta object
// - Find specific property setter
// - If no specfifc propery setter can be found,
// find general property setter
// - Call property setter
QMetaProperty meta_property;
if (!validateObjectProperty(meta_property, rProperty, pObject))
return;
QString property = QLatin1String(meta_property.name());
QString type = QLatin1String(meta_property.typeName());
logger()->debug("Setting property '%1' on object of class '%2' to value '%3'",
property,
QLatin1String(pObject->metaObject()->className()),
rValue);
QVariant value;
bool ok = true;
if (type == QLatin1String("bool"))
value = OptionConverter::toBoolean(rValue, &ok);
else if (type == QLatin1String("int"))
value = OptionConverter::toInt(rValue, &ok);
else if (type == QLatin1String("Log4Qt::Level"))
value = QVariant::fromValue(OptionConverter::toLevel(rValue, &ok));
else if (type == QLatin1String("QString"))
value = rValue;
else
{
LogError e = LOG4QT_ERROR(QT_TR_NOOP("Cannot convert to type '%1' for property '%2' on object of class '%3'"),
CONFIGURATOR_UNKNOWN_TYPE_ERROR,
"Log4Qt::Factory");
e << type
<< property
<< QString::fromLatin1(pObject->metaObject()->className());
logger()->error(e);
return;
}
if (!ok)
return;
// Everything is checked and the type is the one of the property.
// Write should never return false
if (!meta_property.write(pObject, value))
logger()->warn("Unxpected error result from QMetaProperty.write()");
}
int OptionConverter::toInt(const QString &rOption,
bool *p_ok)
{
int value = rOption.trimmed().toInt(p_ok);
if (*p_ok)
return value;
LogError e = LOG4QT_ERROR(QT_TR_NOOP("Invalid option string '%1' for an integer"),
CONFIGURATOR_INVALID_OPTION_ERROR,
"Log4Qt::OptionConverter");
e << rOption;
logger()->error(e);
return 0;
}
QString OptionConverter::findAndSubst(const Properties &rProperties,
const QString &rKey)
{
QString value = rProperties.property(rKey);
if (value.isNull())
return value;
const QString begin_subst = QLatin1String("${");
const QString end_subst = QLatin1String("}");
const int begin_length = begin_subst.length();
const int end_length = end_subst.length();
// Don't return a null string, the null string indicates that the
// property key does not exist.
QString result = QLatin1String("");
int i = 0;
int begin;
int end;
while (i < value.length())
{
begin = value.indexOf(begin_subst, i);
if (begin == -1)
{
result += value.mid(i);
i = value.length();
}
else
{
result += value.mid(i, begin - i);
end = value.indexOf(end_subst, i + begin_length);
if (end == -1)
{
LogError e = LOG4QT_ERROR(QT_TR_NOOP("Missing closing bracket for opening bracket at %1. Invalid subsitution in value %2."),
CONFIGURATOR_INVALID_SUBSTITUTION_ERROR,
"Log4Qt::OptionConverter");
e << begin << value;
logger()->error(e);
return result;
}
else
{
result += findAndSubst(rProperties, value.mid(begin + begin_length, end - begin - end_length - 1));
i = end + end_length;
}
}
}
return result;
}
qint64 OptionConverter::toFileSize(const QString &rOption,
bool *p_ok)
{
// - Search for unit
// - Convert characters befor unit to int
// - Error, if
// - the conversion failed
// - the value < 0
// - there is text after the unit characters
if (p_ok)
*p_ok = false;
QString s = rOption.trimmed().toLower();
qint64 f = 1;
int i;
i = s.indexOf(QLatin1String("kb"));
if (i >= 0)
f = 1024;
else
{
i = s.indexOf(QLatin1String("mb"));
if (i >= 0)
f = 1024 * 1024;
else
{
i = s.indexOf(QLatin1String("gb"));
if (i >= 0)
f = 1024 * 1024 * 1024;
}
}
if (i < 0)
i = s.length();
bool ok;
qint64 value = s.left(i).toLongLong(&ok);
if (!ok || value < 0 || s.length() > i + 2)
{
LogError e = LOG4QT_ERROR(QT_TR_NOOP("Invalid option string '%1' for a file size"),
CONFIGURATOR_INVALID_OPTION_ERROR,
"Log4Qt::OptionConverter");
e << rOption;
logger()->error(e);
return 0;
}
if (p_ok)
*p_ok = true;
return value * f;
}
Level OptionConverter::toLevel(const QString &rOption,
bool *p_ok)
{
bool ok;
Level level = Level::fromString(rOption.toUpper().trimmed(), &ok);
if (p_ok)
*p_ok = ok;
if (ok)
return level;
LogError e = LOG4QT_ERROR(QT_TR_NOOP("Invalid option string '%1' for a level"),
CONFIGURATOR_INVALID_OPTION_ERROR,
"Log4Qt::OptionConverter");
e << rOption;
logger()->error(e);
return level;
}
void PatternFormatter::parse()
{
enum State {
LITERAL_STATE,
ESCAPE_STATE,
MIN_STATE,
DOT_STATE,
MAX_STATE,
CHARACTER_STATE,
POSSIBLEOPTION_STATE,
OPTION_STATE
};
int i = 0;
QChar c;
char ch;
State state = LITERAL_STATE;
FormattingInfo formatting_info;
QString literal;
int converter_start;
int option_start;
while (i < mPattern.length())
{
// i points to the current character
// c contains the current character
// ch contains the Latin1 equivalent of the current character
// i is incremented at the end of the loop to consume the character
// continue is used to change state without consuming the character
c = mPattern.at(i);
ch = c.toLatin1();
switch (state)
{
case LITERAL_STATE:
if (ch == '%')
{
formatting_info.clear();
converter_start = i;
state = ESCAPE_STATE;
} else
literal += c;
break;
case ESCAPE_STATE:
if (ch == '%')
{
literal += c;
state = LITERAL_STATE;
}
else if (ch == 'n')
{
literal += Layout::endOfLine();
state = LITERAL_STATE;
}
else
{
if (!literal.isEmpty())
{
createLiteralConverter(literal);
literal.clear();
}
if (ch == '-')
formatting_info.mLeftAligned = true;
else if (c.isDigit())
{
formatting_info.mMinLength = c.digitValue();
state = MIN_STATE;
}
else if (ch == '.')
state = DOT_STATE;
else
{
state = CHARACTER_STATE;
continue;
}
}
break;
case MIN_STATE:
if (!addDigit(c, formatting_info.mMinLength))
{
if (ch == '.')
state = DOT_STATE;
else
{
state = CHARACTER_STATE;
continue;
}
}
break;
case DOT_STATE:
if (c.isDigit())
{
formatting_info.mMaxLength = c.digitValue();
state = MAX_STATE;
}
else
{
LogError e = LOG4QT_ERROR(QT_TR_NOOP("Found character '%1' where digit was expected."),
LAYOUT_EXPECTED_DIGIT_ERROR,
"Log4Qt::PatternFormatter");
e << QString(c);
logger()->error(e);
}
break;
case MAX_STATE:
if (!addDigit(c, formatting_info.mMaxLength))
{
state = CHARACTER_STATE;
continue;
}
break;
case CHARACTER_STATE:
if (mIgnoreCharacters.indexOf(c) >= 0)
state = LITERAL_STATE;
else if (mOptionCharacters.indexOf(c) >= 0)
state = POSSIBLEOPTION_STATE;
else if (mConversionCharacters.indexOf(c) >= 0)
{
createConverter(c, formatting_info);
state = LITERAL_STATE;
}
else
{
logger()->warn("Invalid conversion character '%1' at %2 in pattern '%3'",
c, i, mPattern);
createLiteralConverter(mPattern.mid(converter_start, i - converter_start + 1));
state = LITERAL_STATE;
}
break;
case POSSIBLEOPTION_STATE:
if (ch == '{')
{
option_start = i;
state = OPTION_STATE;
}
else
{
createConverter(mPattern.at(i - 1),
formatting_info);
state = LITERAL_STATE;
continue;
}
break;
case OPTION_STATE:
if (ch == '}')
{
createConverter(mPattern.at(option_start - 1),
formatting_info,
mPattern.mid(option_start + 1, i - option_start - 1));
state = LITERAL_STATE;
}
break;
default:
Q_ASSERT_X(false, "PatternFormatter::parse()", "Unknown parsing state constant");
state = LITERAL_STATE;
}
i++;
}
if (state != LITERAL_STATE)
{
logger()->warn("Unexptected end of pattern '%1'", mPattern);
if (state == ESCAPE_STATE)
literal += c;
else
literal += mPattern.mid(converter_start);
}
if (!literal.isEmpty())
createLiteralConverter(literal);
}
bool Factory::validateObjectProperty(QMetaProperty &rMetaProperty,
const QString &rProperty,
QObject *pObject)
{
// Validate:
// - No null object pointer
// - No empty property name
// - Property exists on the object (QT or Java name)
// - Property is readable
// - Property is writable
const char *p_context = "Log4Qt::Factory";
LogError e = LOG4QT_ERROR(QT_TR_NOOP("Unable to set property value on object"),
CONFIGURATOR_PROPERTY_ERROR,
p_context);
if (!pObject)
{
LogError ce = LOG4QT_ERROR(QT_TR_NOOP("Invalid null object pointer"),
0,
p_context);
e.addCausingError(ce);
logger()->error(e);
return false;
}
if (rProperty.isEmpty())
{
LogError ce = LOG4QT_ERROR(QT_TR_NOOP("Invalid empty property name"),
0,
p_context);
e.addCausingError(ce);
logger()->error(e);
return false;
}
const QMetaObject *p_meta_object = pObject->metaObject();
QString property = rProperty;
int i = p_meta_object->indexOfProperty(property.toLatin1());
if (i < 0)
{
// Try name with lower case first character. Java properties names
// start upper case
property[0] = property[0].toLower();
i = p_meta_object->indexOfProperty(property.toLatin1());
if (i < 0)
{
LogError ce = LOG4QT_ERROR(QT_TR_NOOP("Property '%1' does not exist in class '%2'"),
0,
p_context);
ce << property
<< QString::fromLatin1(pObject->metaObject()->className());
e.addCausingError(ce);
logger()->error(e);
return false;
}
}
rMetaProperty = p_meta_object->property(i);
if (!rMetaProperty.isWritable())
{
LogError ce = LOG4QT_ERROR(QT_TR_NOOP("Property '%1' is not writable in class '%2'"),
0,
p_context);
ce << property
<< QString::fromLatin1(pObject->metaObject()->className());
e.addCausingError(ce);
logger()->error(e);
return false;
}
return true;
}
