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A library for Java that provides re-usable components commonly used by Flow libraries.

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/*
 * This file is part of Flow Commons, licensed under the MIT License (MIT).
 *
 * Copyright (c) 2013 Flow Powered 
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.flowpowered.commons;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import uk.org.lidalia.slf4jext.Level;
import uk.org.lidalia.slf4jext.Logger;

public class LoggerOutputStream extends ByteArrayOutputStream {
    private final String separator = System.getProperty("line.separator");
    private final Logger logger;
    private final Level level;

    public LoggerOutputStream(org.slf4j.Logger logger, Level level) {
        super();
        this.logger = new Logger(logger);
        this.level = level;
    }

    @Override
    public synchronized void flush() throws IOException {
        super.flush();
        String record = this.toString();
        super.reset();

        if (record.length() > 0 && !record.equals(separator)) {
            logger.log(level, record);
        }
    }
}