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Oracle NoSQL Database Client - supplies build and runtime support for the client side of the Oracle NoSQL Database. Note that a running Oracle NoSQL Database Server (store) is required to do anything meaningful with this client.

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/*-
 *
 *  This file is part of Oracle NoSQL Database
 *  Copyright (C) 2011, 2016 Oracle and/or its affiliates.  All rights reserved.
 *
 * If you have received this file as part of Oracle NoSQL Database the
 * following applies to the work as a whole:
 *
 *   Oracle NoSQL Database server software is free software: you can
 *   redistribute it and/or modify it under the terms of the GNU Affero
 *   General Public License as published by the Free Software Foundation,
 *   version 3.
 *
 *   Oracle NoSQL Database is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *   Affero General Public License for more details.
 *
 * If you have received this file as part of Oracle NoSQL Database Client or
 * distributed separately the following applies:
 *
 *   Oracle NoSQL Database client software is free software: you can
 *   redistribute it and/or modify it under the terms of the Apache License
 *   as published by the Apache Software Foundation, version 2.0.
 *
 * You should have received a copy of the GNU Affero General Public License
 * and/or the Apache License in the LICENSE file along with Oracle NoSQL
 * Database client or server distribution.  If not, see
 * 
 * or
 * .
 *
 * An active Oracle commercial licensing agreement for this product supersedes
 * these licenses and in such case the license notices, but not the copyright
 * notice, may be removed by you in connection with your distribution that is
 * in accordance with the commercial licensing terms.
 *
 * For more information please contact:
 *
 * [email protected]
 *
 */

package oracle.kv.util;

import java.io.IOException;
import java.util.logging.Level;

import oracle.kv.impl.util.server.LoggerUtils;

/**
 * KVStore instances of java.util.logging.Logger are configured to use this
 * implementation of java.util.logging.ConsoleHandler. By default, the
 * handler's level is {@link Level#INFO}. To enable the console output, use the
 * standard java.util.logging.LogManager configuration to set the desired
 * level:
 *  * oracle.kv.util.FileHandler.level=FINE
 * 
 */
public class FileHandler extends java.util.logging.FileHandler {

    int limit;
    int count;

    /*
     * Using a KV specific handler lets us enable and disable output for
     * all kvstore component.
     */
    public FileHandler(String pattern, int limit, int count, boolean append)
        throws IOException, SecurityException {

        super(pattern, limit, count, append);

        this.limit = limit;
        this.count = count;
        Level level = null;
        String propertyName = getClass().getName() + ".level";

        String levelProperty = LoggerUtils.getLoggerProperty(propertyName);
        if (levelProperty == null) {
            level = Level.ALL;
        } else {
            level = Level.parse(levelProperty);
        }

        setLevel(level);
    }

    public int getCount() {
        return count;
    }

    public int getLimit() {
        return limit;
    }

    /**
     * When a handler is closed, we want to remove it from any associated
     * loggers, so that a handler will be created again if the logger is
     * ressurected.
     */
    @Override
    public synchronized void close() {
        super.close();
        LoggerUtils.removeHandler(this);
    }
}