Log4jOutputStream.java

// 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.

package org.apache.doris.common.jni.utils;

import org.apache.log4j.Level;
import org.apache.log4j.Logger;

import java.io.OutputStream;

public class Log4jOutputStream extends OutputStream {
    private final Logger logger;
    private final StringBuilder buffer = new StringBuilder();
    private final Level level;

    public Log4jOutputStream(Logger logger, Level level) {
        this.logger = logger;
        this.level = level;
    }

    @Override
    public void write(int b) {
        if (b == '\n') {
            logger.log(level, buffer.toString());
            buffer.setLength(0);
        } else {
            buffer.append((char) b);
        }
    }
}