| /* |
| * 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. |
| */ |
| |
| using Apache.NMS; |
| using Apache.NMS.Util; |
| using System; |
| using System.Collections; |
| using System.IO; |
| |
| namespace Apache.NMS.Commands |
| { |
| public class BytesMessage : Message, IBytesMessage |
| { |
| private EndianBinaryReader dataIn = null; |
| private EndianBinaryWriter dataOut = null; |
| private MemoryStream outputBuffer = null; |
| private int length = 0; |
| |
| public override Object Clone() |
| { |
| StoreContent(); |
| return base.Clone(); |
| } |
| |
| public override void ClearBody() |
| { |
| base.ClearBody(); |
| this.outputBuffer = null; |
| this.dataIn = null; |
| this.dataOut = null; |
| this.length = 0; |
| } |
| |
| public long BodyLength |
| { |
| get |
| { |
| InitializeReading(); |
| return this.length; |
| } |
| } |
| |
| public byte ReadByte() |
| { |
| InitializeReading(); |
| try |
| { |
| return dataIn.ReadByte(); |
| } |
| catch(EndOfStreamException e) |
| { |
| throw NMSExceptionSupport.CreateMessageEOFException(e); |
| } |
| catch(IOException e) |
| { |
| throw NMSExceptionSupport.CreateMessageFormatException(e); |
| } |
| } |
| |
| public void WriteByte( byte value ) |
| { |
| InitializeWriting(); |
| try |
| { |
| dataOut.Write( value ); |
| } |
| catch(Exception e) |
| { |
| throw NMSExceptionSupport.Create(e); |
| } |
| } |
| |
| public bool ReadBoolean() |
| { |
| InitializeReading(); |
| try |
| { |
| return dataIn.ReadBoolean(); |
| } |
| catch(EndOfStreamException e) |
| { |
| throw NMSExceptionSupport.CreateMessageEOFException(e); |
| } |
| catch(IOException e) |
| { |
| throw NMSExceptionSupport.CreateMessageFormatException(e); |
| } |
| } |
| |
| public void WriteBoolean( bool value ) |
| { |
| InitializeWriting(); |
| try |
| { |
| dataOut.Write( value ); |
| } |
| catch(Exception e) |
| { |
| throw NMSExceptionSupport.Create(e); |
| } |
| } |
| |
| public char ReadChar() |
| { |
| InitializeReading(); |
| try |
| { |
| return dataIn.ReadChar(); |
| } |
| catch(EndOfStreamException e) |
| { |
| throw NMSExceptionSupport.CreateMessageEOFException(e); |
| } |
| catch(IOException e) |
| { |
| throw NMSExceptionSupport.CreateMessageFormatException(e); |
| } |
| } |
| |
| public void WriteChar( char value ) |
| { |
| InitializeWriting(); |
| try |
| { |
| dataOut.Write( value ); |
| } |
| catch(Exception e) |
| { |
| throw NMSExceptionSupport.Create(e); |
| } |
| } |
| |
| public short ReadInt16() |
| { |
| InitializeReading(); |
| try |
| { |
| return dataIn.ReadInt16(); |
| } |
| catch(EndOfStreamException e) |
| { |
| throw NMSExceptionSupport.CreateMessageEOFException(e); |
| } |
| catch(IOException e) |
| { |
| throw NMSExceptionSupport.CreateMessageFormatException(e); |
| } |
| } |
| |
| public void WriteInt16( short value ) |
| { |
| InitializeWriting(); |
| try |
| { |
| dataOut.Write( value ); |
| } |
| catch(Exception e) |
| { |
| throw NMSExceptionSupport.Create(e); |
| } |
| } |
| |
| public int ReadInt32() |
| { |
| InitializeReading(); |
| try |
| { |
| return dataIn.ReadInt32(); |
| } |
| catch(EndOfStreamException e) |
| { |
| throw NMSExceptionSupport.CreateMessageEOFException(e); |
| } |
| catch(IOException e) |
| { |
| throw NMSExceptionSupport.CreateMessageFormatException(e); |
| } |
| } |
| |
| public void WriteInt32( int value ) |
| { |
| InitializeWriting(); |
| try |
| { |
| dataOut.Write( value ); |
| } |
| catch(Exception e) |
| { |
| throw NMSExceptionSupport.Create(e); |
| } |
| } |
| |
| public long ReadInt64() |
| { |
| InitializeReading(); |
| try |
| { |
| return dataIn.ReadInt64(); |
| } |
| catch(EndOfStreamException e) |
| { |
| throw NMSExceptionSupport.CreateMessageEOFException(e); |
| } |
| catch(IOException e) |
| { |
| throw NMSExceptionSupport.CreateMessageFormatException(e); |
| } |
| } |
| |
| public void WriteInt64( long value ) |
| { |
| InitializeWriting(); |
| try |
| { |
| dataOut.Write( value ); |
| } |
| catch(Exception e) |
| { |
| throw NMSExceptionSupport.Create(e); |
| } |
| } |
| |
| public float ReadSingle() |
| { |
| InitializeReading(); |
| try |
| { |
| return dataIn.ReadSingle(); |
| } |
| catch(EndOfStreamException e) |
| { |
| throw NMSExceptionSupport.CreateMessageEOFException(e); |
| } |
| catch(IOException e) |
| { |
| throw NMSExceptionSupport.CreateMessageFormatException(e); |
| } |
| } |
| |
| public void WriteSingle( float value ) |
| { |
| InitializeWriting(); |
| try |
| { |
| dataOut.Write( value ); |
| } |
| catch(Exception e) |
| { |
| throw NMSExceptionSupport.Create(e); |
| } |
| } |
| |
| public double ReadDouble() |
| { |
| InitializeReading(); |
| try |
| { |
| return dataIn.ReadDouble(); |
| } |
| catch(EndOfStreamException e) |
| { |
| throw NMSExceptionSupport.CreateMessageEOFException(e); |
| } |
| catch(IOException e) |
| { |
| throw NMSExceptionSupport.CreateMessageFormatException(e); |
| } |
| } |
| |
| public void WriteDouble( double value ) |
| { |
| InitializeWriting(); |
| try |
| { |
| dataOut.Write( value ); |
| } |
| catch(Exception e) |
| { |
| throw NMSExceptionSupport.Create(e); |
| } |
| } |
| |
| public int ReadBytes( byte[] value ) |
| { |
| InitializeReading(); |
| try |
| { |
| return dataIn.Read( value, 0, value.Length ); |
| } |
| catch(EndOfStreamException e) |
| { |
| throw NMSExceptionSupport.CreateMessageEOFException(e); |
| } |
| catch(IOException e) |
| { |
| throw NMSExceptionSupport.CreateMessageFormatException(e); |
| } |
| } |
| |
| public int ReadBytes( byte[] value, int length ) |
| { |
| InitializeReading(); |
| try |
| { |
| return dataIn.Read( value, 0, length ); |
| } |
| catch(EndOfStreamException e) |
| { |
| throw NMSExceptionSupport.CreateMessageEOFException(e); |
| } |
| catch(IOException e) |
| { |
| throw NMSExceptionSupport.CreateMessageFormatException(e); |
| } |
| } |
| |
| public void WriteBytes( byte[] value ) |
| { |
| InitializeWriting(); |
| try |
| { |
| dataOut.Write( value, 0, value.Length ); |
| } |
| catch(Exception e) |
| { |
| throw NMSExceptionSupport.Create(e); |
| } |
| } |
| |
| public void WriteBytes( byte[] value, int offset, int length ) |
| { |
| InitializeWriting(); |
| try |
| { |
| dataOut.Write( value, offset, length ); |
| } |
| catch(Exception e) |
| { |
| throw NMSExceptionSupport.Create(e); |
| } |
| } |
| |
| public string ReadString() |
| { |
| InitializeReading(); |
| try |
| { |
| // JMS, CMS and NMS all encode the String using a 16 bit size header. |
| return dataIn.ReadString16(); |
| } |
| catch(EndOfStreamException e) |
| { |
| throw NMSExceptionSupport.CreateMessageEOFException(e); |
| } |
| catch(IOException e) |
| { |
| throw NMSExceptionSupport.CreateMessageFormatException(e); |
| } |
| } |
| |
| public void WriteString( string value ) |
| { |
| InitializeWriting(); |
| try |
| { |
| // JMS, CMS and NMS all encode the String using a 16 bit size header. |
| dataOut.WriteString16(value); |
| } |
| catch(Exception e) |
| { |
| throw NMSExceptionSupport.Create(e); |
| } |
| } |
| |
| public void WriteObject( System.Object value ) |
| { |
| InitializeWriting(); |
| if( value is System.Byte ) |
| { |
| this.dataOut.Write( (byte) value ); |
| } |
| else if( value is Char ) |
| { |
| this.dataOut.Write( (char) value ); |
| } |
| else if( value is Boolean ) |
| { |
| this.dataOut.Write( (bool) value ); |
| } |
| else if( value is Int16 ) |
| { |
| this.dataOut.Write( (short) value ); |
| } |
| else if( value is Int32 ) |
| { |
| this.dataOut.Write( (int) value ); |
| } |
| else if( value is Int64 ) |
| { |
| this.dataOut.Write( (long) value ); |
| } |
| else if( value is Single ) |
| { |
| this.dataOut.Write( (float) value ); |
| } |
| else if( value is Double ) |
| { |
| this.dataOut.Write( (double) value ); |
| } |
| else if( value is byte[] ) |
| { |
| this.dataOut.Write( (byte[]) value ); |
| } |
| else if( value is String ) |
| { |
| this.dataOut.WriteString16( (string) value ); |
| } |
| else |
| { |
| throw new MessageFormatException("Cannot write non-primitive type:" + value.GetType()); |
| } |
| } |
| |
| public new byte[] Content |
| { |
| get |
| { |
| byte[] buffer = null; |
| InitializeReading(); |
| if(this.length != 0) |
| { |
| buffer = new byte[this.length]; |
| this.dataIn.Read(buffer, 0, buffer.Length); |
| } |
| return buffer; |
| } |
| |
| set |
| { |
| InitializeWriting(); |
| this.dataOut.Write(value, 0, value.Length); |
| } |
| } |
| |
| public void Reset() |
| { |
| StoreContent(); |
| this.dataIn = null; |
| this.dataOut = null; |
| this.outputBuffer = null; |
| this.ReadOnlyBody = true; |
| } |
| |
| private void InitializeReading() |
| { |
| FailIfWriteOnlyBody(); |
| if(this.dataIn == null) |
| { |
| byte[] data = base.Content; |
| |
| if(base.Content == null) |
| { |
| data = new byte[0]; |
| } |
| |
| Stream target = new MemoryStream(data, false); |
| |
| this.length = data.Length; |
| this.dataIn = new EndianBinaryReader(target); |
| } |
| } |
| |
| private void InitializeWriting() |
| { |
| FailIfReadOnlyBody(); |
| if(this.dataOut == null) |
| { |
| this.outputBuffer = new MemoryStream(); |
| this.dataOut = new EndianBinaryWriter(this.outputBuffer); |
| } |
| } |
| |
| private void StoreContent() |
| { |
| if(this.dataOut != null) |
| { |
| this.dataOut.Close(); |
| base.Content = outputBuffer.ToArray(); |
| |
| this.dataOut = null; |
| this.outputBuffer = null; |
| } |
| } |
| |
| } |
| } |
| |