Subversion Repositories SmartDukaan

/**
 * 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.
 *
 * Contains some contributions under the Thrift Software License.
 * Please see doc/old-thrift-license.txt in the Thrift distribution for
 * details.
 */

using System;
using System.IO;

namespace Thrift.Transport
{
        public class TStreamTransport : TTransport
        {
                protected Stream inputStream;
                protected Stream outputStream;

                public TStreamTransport()
                {
                }

                public TStreamTransport(Stream inputStream, Stream outputStream)
                {
                        this.inputStream = inputStream;
                        this.outputStream = outputStream;
                }

                public Stream OutputStream
                {
                        get { return outputStream; }
                }

                public Stream InputStream
                {
                        get { return inputStream; }
                }

                public override bool IsOpen
                {
                        get { return true; }
                }

                public override void Open()
                {
                }

                public override void Close()
                {
                        if (inputStream != null)
                        {
                                inputStream.Close();
                                inputStream = null;
                        }
                        if (outputStream != null)
                        {
                                outputStream.Close();
                                outputStream = null;
                        }
                }

                public override int Read(byte[] buf, int off, int len)
                {
                        if (inputStream == null)
                        {
                                throw new TTransportException(TTransportException.ExceptionType.NotOpen, "Cannot read from null inputstream");
                        }

                        return inputStream.Read(buf, off, len);
                }

                public override void Write(byte[] buf, int off, int len)
                {
                        if (outputStream == null)
                        {
                                throw new TTransportException(TTransportException.ExceptionType.NotOpen, "Cannot write to null outputstream");
                        }

                        outputStream.Write(buf, off, len);
                }

                public override void Flush()
                {
                        if (outputStream == null)
                        {
                                throw new TTransportException(TTransportException.ExceptionType.NotOpen, "Cannot flush null outputstream");
                        }

                        outputStream.Flush();
                }
        }
}