/*
    * 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.logging.log4j.io.internal;
  
  import java.io.BufferedInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.nio.charset.Charset;
  
  import org.apache.logging.log4j.Level;
  import org.apache.logging.log4j.Marker;
  import org.apache.logging.log4j.spi.ExtendedLogger;
  
  /**
   * Internal class that exists primarly to allow location calculations to work.
   * @since 2.12
   */
  public class InternalBufferedInputStream extends BufferedInputStream {
      private static final String FQCN = InternalBufferedInputStream.class.getName();
  
      public InternalBufferedInputStream(final InputStream in, final Charset charset, final ExtendedLogger logger,
                                          final String fqcn, final Level level, final Marker marker) {
          super(new InternalInputStream(in, charset, logger, fqcn == null ? FQCN : fqcn, level, marker));
      }
  
      public InternalBufferedInputStream(final InputStream in, final Charset charset, final int size,
                                          final ExtendedLogger logger, final String fqcn, final Level level,
                                          final Marker marker) {
          super(new InternalInputStream(in, charset, logger, fqcn == null ? FQCN : fqcn, level, marker), size);
      }
  
      @Override
      public void close() throws IOException {
          super.close();
      }
  
      @Override
      public synchronized int read() throws IOException {
          return super.read();
      }
  
      @Override
      public int read(final byte[] b) throws IOException {
          return super.read(b, 0, b.length);
      }
  
      @Override
      public synchronized int read(final byte[] b, final int off, final int len) throws IOException {
          return super.read(b, off, len);
      }
  
      @Override
      public String toString() {
          return "{stream=" + this.in + '}';
      }
  }