content: /*
   * Copyright <2019> Amazon.com, Inc. or its affiliates. All Rights Reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License").
   * You may not use this file except in compliance with the License.
   * A copy of the License is located at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * or in the "license" file accompanying this file. This file 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.
   *
   */
  
  /*
   * ====================================================================
   * 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package com.amazon.opendistroforelasticsearch.jdbc.transport.http;
  
  import org.apache.http.impl.conn.Wire;
  
  import java.io.IOException;
  import java.io.InputStream;
  
  /**
   * Adapted from Apache HttpClient to offer per connection HTTP wire
   * logging.
   */
  class LoggingInputStream extends InputStream {
  
      private final InputStream in;
      private final Wire wire;
  
      public LoggingInputStream(final InputStream in, final Wire wire) {
          super();
          this.in = in;
          this.wire = wire;
      }
  
      @Override
      public int read() throws IOException {
          try {
              final int b = in.read();
              if (b == -1) {
                  wire.input("end of stream");
              } else {
                  wire.input(b);
              }
              return b;
          } catch (final IOException ex) {
              wire.input("[read] I/O error: " + ex.getMessage());
              throw ex;
          }
      }
  
      @Override
      public int read(final byte[] b) throws IOException {
          try {
              final int bytesRead = in.read(b);
              if (bytesRead == -1) {
                  wire.input("end of stream");
              } else if (bytesRead > 0) {
                  wire.input(b, 0, bytesRead);
              }
              return bytesRead;
          } catch (final IOException ex) {
              wire.input("[read] I/O error: " + ex.getMessage());
              throw ex;
          }
      }
  
      @Override
      public int read(final byte[] b, final int off, final int len) throws IOException {
          try {
              final int bytesRead = in.read(b, off, len);
              if (bytesRead == -1) {
                  wire.input("end of stream");
              } else if (bytesRead > 0) {
                  wire.input(b, off, bytesRead);
              }
              return bytesRead;
          } catch (final IOException ex) {
              wire.input("[read] I/O error: " + ex.getMessage());
              throw ex;
          }
      }
  
      @Override
      public long skip(final long n) throws IOException {
          try {
              return super.skip(n);
          } catch (final IOException ex) {
              wire.input("[skip] I/O error: " + ex.getMessage());
              throw ex;
          }
      }
  
      @Override
      public int available() throws IOException {
          try {
              return in.available();
          } catch (final IOException ex) {
              wire.input("[available] I/O error : " + ex.getMessage());
              throw ex;
          }
      }
  
      @Override
      public void mark(final int readlimit) {
          super.mark(readlimit);
      }
  
      @Override
      public void reset() throws IOException {
          super.reset();
      }
  
      @Override
      public boolean markSupported() {
          return false;
      }
  
      @Override
      public void close() throws IOException {
          try {
              in.close();
          } catch (final IOException ex) {
              wire.input("[close] I/O error: " + ex.getMessage());
              throw ex;
          }
      }
  
  }
  
  