src/main/decaf/util/logging/Handler.h

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/*
 * 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 _DECAF_UTIL_LOGGING_HANDLER_H_
#define _DECAF_UTIL_LOGGING_HANDLER_H_

#include <decaf/io/Closeable.h>
#include <decaf/lang/Exception.h>
#include <decaf/util/logging/LogRecord.h>
#include <decaf/util/logging/Level.h>
#include <decaf/lang/exceptions/NullPointerException.h>

#include <string>

namespace decaf{
namespace util{
namespace logging{

    class Filter;
    class Formatter;
    class ErrorManager;

    class DECAF_API Handler : public io::Closeable {
    private:

        // Default Logging Level for Handler
        static const Level DEFAULT_LEVEL;

        // Formats this Handlers output
        Formatter* formatter;

        // Filter object for Log Filtering
        Filter* filter;

        // ErrorManager instance for this Handler
        ErrorManager* errorManager;

        // Level at which that this Handler will start logging.
        Level level;

        // Name of this class used to read properties
        std::string prefix;

    private:

        Handler( const Handler& );
        Handler& operator= ( const Handler& );

    public:

        Handler();

        virtual ~Handler();

        virtual void flush() = 0;

        virtual void publish( const LogRecord& record ) = 0;

        virtual bool isLoggable( const LogRecord& record ) const;

        virtual void setFilter( Filter* filter ) {
            this->filter = filter;
        }

        virtual Filter* getFilter() {
            return this->filter;
        }

        virtual void setLevel( const Level& value ) {
            this->level = value;
        }

        virtual Level getLevel() {
            return this->level;
        }

        virtual void setFormatter( Formatter* formatter );

        virtual Formatter* getFormatter() {
            return this->formatter;
        }

        virtual void setErrorManager( ErrorManager* errorManager );

        virtual ErrorManager* getErrorManager() {
            return this->errorManager;
        }

    protected:

        void reportError( const std::string& message, decaf::lang::Exception* ex, int code );

    };

}}}

#endif /*_DECAF_UTIL_LOGGING_HANDLER_H_*/