| /* |
| * 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 |
| * |
| * 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. |
| */ |
| #ifndef _LOG4CXX_FILTER_LOCATIONINFOFILTER_H |
| #define _LOG4CXX_FILTER_LOCATIONINFOFILTER_H |
| |
| #include <log4cxx/spi/filter.h> |
| |
| namespace log4cxx |
| { |
| namespace rule |
| { |
| class ExpressionRule; |
| class Rule; |
| typedef helpers::ObjectPtrT < Rule > RulePtr; |
| typedef helpers::ObjectPtrT < ExpressionRule > ExpressionRulePtr; |
| } |
| |
| namespace filter |
| { |
| /** |
| * Location information is usually specified at the appender level - all events associated |
| * with an appender either create and parse stack traces or they do not. This is |
| * an expensive operation and in some cases not needed for all events associated with |
| * an appender. |
| * |
| * This filter creates event-level location information only if the provided expression evaluates to true. |
| * |
| * For information on expression syntax, see org.apache.log4j.rule.ExpressionRule |
| * |
| * |
| */ |
| class LOG4CXX_EXPORT LocationInfoFilter: public log4cxx::spi::Filter |
| { |
| bool convertInFixToPostFix; |
| LogString expression; |
| log4cxx::rule::RulePtr expressionRule; |
| //HACK: Category is the last of the internal layers - pass this in as the class name |
| //in order for parsing to work correctly |
| LogString className; |
| |
| public: |
| DECLARE_LOG4CXX_OBJECT(LocationInfoFilter) |
| BEGIN_LOG4CXX_CAST_MAP() |
| LOG4CXX_CAST_ENTRY(log4cxx::spi::Filter) |
| END_LOG4CXX_CAST_MAP() |
| |
| LocationInfoFilter(); |
| |
| void activateOptions(log4cxx::helpers::Pool&); |
| |
| void setExpression(const LogString& expression); |
| |
| LogString getExpression() const; |
| |
| void setConvertInFixToPostFix(bool convertInFixToPostFix); |
| |
| bool getConvertInFixToPostFix() const; |
| |
| /** |
| * If this event does not already contain location information, |
| * evaluate the event against the expression. |
| * |
| * If the expression evaluates to true, generate a LocationInfo instance |
| * by creating an exception and set this LocationInfo on the event. |
| * |
| * Returns {@link log4cxx::spi::Filter#NEUTRAL} |
| */ |
| FilterDecision decide(const spi::LoggingEventPtr& event) const; |
| |
| }; |
| } |
| } |
| #endif |