/*
 * 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
 *
 *     https://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.
 */

using System;
using System.IO;

namespace Avro.IO
{
    /// <summary>
    /// Base class for an input stream.
    /// </summary>
    /// <seealso cref="OutputStream"/>
    public abstract class InputStream : Stream
    {
        /// <inheritdoc/>
        public override void Flush()
        {
        }

        /// <inheritdoc/>
        public override long Seek(long offset, SeekOrigin origin)
        {
            throw new NotSupportedException();
        }

        /// <inheritdoc/>
        public override void SetLength(long value)
        {
            throw new NotSupportedException();
        }

        /// <inheritdoc/>
        public override void Write(byte[] buffer, int offset, int count)
        {
            throw new NotSupportedException();
        }

        /// <inheritdoc/>
        public override bool CanRead
        {
            get { return true; }
        }

        /// <inheritdoc/>
        public override bool CanSeek
        {
            get { return false; }
        }

        /// <inheritdoc/>
        public override bool CanWrite
        {
            get { return false; }
        }

        /// <inheritdoc/>
        public override long Position
        {
            get { throw new NotSupportedException(); }
            set { throw new NotSupportedException(); }
        }
    }
}