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.BufferedInputStream;
021import java.io.IOException;
022import java.io.InputStream;
023import java.nio.charset.Charset;
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 InternalBufferedInputStream extends BufferedInputStream {
034    private static final String FQCN = InternalBufferedInputStream.class.getName();
035
036    public InternalBufferedInputStream(final InputStream in, final Charset charset, final ExtendedLogger logger,
037                                        final String fqcn, final Level level, final Marker marker) {
038        super(new InternalInputStream(in, charset, logger, fqcn == null ? FQCN : fqcn, level, marker));
039    }
040
041    public InternalBufferedInputStream(final InputStream in, final Charset charset, final int size,
042                                        final ExtendedLogger logger, final String fqcn, final Level level,
043                                        final Marker marker) {
044        super(new InternalInputStream(in, charset, logger, fqcn == null ? FQCN : fqcn, level, marker), size);
045    }
046
047    @Override
048    public void close() throws IOException {
049        super.close();
050    }
051
052    @Override
053    public synchronized int read() throws IOException {
054        return super.read();
055    }
056
057    @Override
058    public int read(final byte[] b) throws IOException {
059        return super.read(b, 0, b.length);
060    }
061
062    @Override
063    public synchronized int read(final byte[] b, final int off, final int len) throws IOException {
064        return super.read(b, off, len);
065    }
066
067    @Override
068    public String toString() {
069        return "{stream=" + this.in + '}';
070    }
071}