001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.logging.log4j.io.internal;
019
020import java.io.BufferedReader;
021import java.io.IOException;
022import java.io.Reader;
023import java.nio.CharBuffer;
024
025import org.apache.logging.log4j.Level;
026import org.apache.logging.log4j.Marker;
027import org.apache.logging.log4j.spi.ExtendedLogger;
028
029/**
030 * Internal class that exists primarly to allow location calculations to work.
031 * @since 2.12
032 */
033public class InternalBufferedReader extends BufferedReader {
034    private static final String FQCN = InternalBufferedReader.class.getName();
035
036    public InternalBufferedReader(final Reader reader, final ExtendedLogger logger, final String fqcn,
037                                   final Level level, final Marker marker) {
038        super(new InternalLoggerReader(reader, logger, fqcn == null ? FQCN : fqcn, level, marker));
039    }
040
041    public InternalBufferedReader(final Reader reader, final int size, final ExtendedLogger logger, final String fqcn,
042                                   final Level level, final Marker marker) {
043        super(new InternalLoggerReader(reader, logger, fqcn == null ? FQCN : fqcn, level, marker), size);
044    }
045
046    @Override
047    public void close() throws IOException {
048        super.close();
049    }
050
051    @Override
052    public int read() throws IOException {
053        return super.read();
054    }
055
056    @Override
057    public int read(final char[] cbuf) throws IOException {
058        return super.read(cbuf, 0, cbuf.length);
059    }
060
061    @Override
062    public int read(final char[] cbuf, final int off, final int len) throws IOException {
063        return super.read(cbuf, off, len);
064    }
065
066    @Override
067    public int read(final CharBuffer target) throws IOException {
068        final int len = target.remaining();
069        final char[] cbuf = new char[len];
070        final int charsRead = read(cbuf, 0, len);
071        if (charsRead > 0) {
072            target.put(cbuf, 0, charsRead);
073        }
074        return charsRead;
075    }
076
077    @Override
078    public String readLine() throws IOException {
079        return super.readLine();
080    }
081}