Package org.apache.mina.filter.codec.support

Examples of org.apache.mina.filter.codec.support.SimpleProtocolDecoderOutput

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            new TextLineDecoder(
                    Charset.forName( "UTF-8" ), LineDelimiter.WINDOWS );
       
        CharsetEncoder encoder = Charset.forName( "UTF-8" ).newEncoder();
        IoSession session = new DummySession();
        SimpleProtocolDecoderOutput out = new SimpleProtocolDecoderOutput();
        ByteBuffer in = ByteBuffer.allocate( 16 );
    
        // Test one decode and one output
        in.putString( "ABC\r\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 1, out.getMessageQueue().size() );
        Assert.assertEquals( "ABC", out.getMessageQueue().pop() );
       
        // Test two decode and one output
        in.clear();
        in.putString( "DEF", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 0, out.getMessageQueue().size() );
        in.clear();
        in.putString( "GHI\r\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 1, out.getMessageQueue().size() );
        Assert.assertEquals( "DEFGHI", out.getMessageQueue().pop() );
       
        // Test one decode and two output
        in.clear();
        in.putString( "JKL\r\nMNO\r\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 2, out.getMessageQueue().size() );
        Assert.assertEquals( "JKL", out.getMessageQueue().pop() );
        Assert.assertEquals( "MNO", out.getMessageQueue().pop() );
       
        // Test splitted long delimiter
        decoder = new TextLineDecoder(
                Charset.forName( "UTF-8" ),
                new LineDelimiter( "\n\n\n" ) );
        in.clear();
        in.putString( "PQR\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 0, out.getMessageQueue().size() );
        in.clear();
        in.putString( "\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 0, out.getMessageQueue().size() );
        in.clear();
        in.putString( "\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 1, out.getMessageQueue().size() );
        Assert.assertEquals( "PQR", out.getMessageQueue().pop() );
    }
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            new TextLineDecoder(
                    Charset.forName( "UTF-8" ), LineDelimiter.AUTO );
       
        CharsetEncoder encoder = Charset.forName( "UTF-8" ).newEncoder();
        IoSession session = new DummySession();
        SimpleProtocolDecoderOutput out = new SimpleProtocolDecoderOutput();
        ByteBuffer in = ByteBuffer.allocate( 16 );
    
        // Test one decode and one output
        in.putString( "ABC\r\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 1, out.getMessageQueue().size() );
        Assert.assertEquals( "ABC", out.getMessageQueue().pop() );
       
        // Test two decode and one output
        in.clear();
        in.putString( "DEF", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 0, out.getMessageQueue().size() );
        in.clear();
        in.putString( "GHI\r\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 1, out.getMessageQueue().size() );
        Assert.assertEquals( "DEFGHI", out.getMessageQueue().pop() );
       
        // Test one decode and two output
        in.clear();
        in.putString( "JKL\r\nMNO\r\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 2, out.getMessageQueue().size() );
        Assert.assertEquals( "JKL", out.getMessageQueue().pop() );
        Assert.assertEquals( "MNO", out.getMessageQueue().pop() );
       
        // Test multiple '\n's
        in.clear();
        in.putString( "\n\n\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 3, out.getMessageQueue().size() );
        Assert.assertEquals( "", out.getMessageQueue().pop() );
        Assert.assertEquals( "", out.getMessageQueue().pop() );
        Assert.assertEquals( "", out.getMessageQueue().pop() );
       
        // Test splitted long delimiter (\r\r\n)
        in.clear();
        in.putString( "PQR\r", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 0, out.getMessageQueue().size() );
        in.clear();
        in.putString( "\r", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 0, out.getMessageQueue().size() );
        in.clear();
        in.putString( "\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 1, out.getMessageQueue().size() );
        Assert.assertEquals( "PQR", out.getMessageQueue().pop() );
    }
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            return;
        }

        ByteBuffer in = ( ByteBuffer ) message;
        ProtocolDecoder decoder = getDecoder( session );
        SimpleProtocolDecoderOutput decoderOut = getDecoderOut( session );
       
        try
        {
            decoder.decode( session, in, decoderOut );
        }
        catch( Throwable t )
        {
            ProtocolDecoderException pde;
            if( t instanceof ProtocolDecoderException )
            {
                pde = ( ProtocolDecoderException ) t;
            }
            else
            {
                pde = new ProtocolDecoderException( t );
            }
            pde.setHexdump( in.getHexDump() );
            throw pde;
        }
        finally
        {
            // Dispose the decoder if this session is connectionless.
            if( session.getTransportType().isConnectionless() )
            {
                disposeDecoder( session );
            }

            // Release the read buffer.
            in.release();

            Queue queue = decoderOut.getMessageQueue();
            while( !queue.isEmpty() )
            {
                nextFilter.messageReceived( session, queue.pop() );
            }
        }
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        return decoder;
    }
   
    private SimpleProtocolDecoderOutput getDecoderOut( IoSession session )
    {
        SimpleProtocolDecoderOutput out = ( SimpleProtocolDecoderOutput ) session.getAttribute( DECODER_OUT );
        if( out == null )
        {
            out = new SimpleProtocolDecoderOutput();
            session.setAttribute( DECODER_OUT, out );
        }
        return out;
    }
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    private ProtocolDecoderOutput getDecoderOut(IoSession session,
            NextFilter nextFilter) {
        ProtocolDecoderOutput out = (ProtocolDecoderOutput) session.getAttribute(DECODER_OUT);
        if (out == null) {
            out = new SimpleProtocolDecoderOutput(session, nextFilter);
            session.setAttribute(DECODER_OUT, out);
        }
        return out;
    }
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    private ProtocolDecoderOutput getDecoderOut(IoSession session,
            NextFilter nextFilter) {
        ProtocolDecoderOutput out = (ProtocolDecoderOutput) session.getAttribute(DECODER_OUT);
        if (out == null) {
            out = new SimpleProtocolDecoderOutput(session, nextFilter);
            session.setAttribute(DECODER_OUT, out);
        }

        return out;
    }
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            new TextLineDecoder(
                    Charset.forName( "UTF-8" ), LineDelimiter.WINDOWS );
       
        CharsetEncoder encoder = Charset.forName( "UTF-8" ).newEncoder();
        IoSession session = new DummySession();
        SimpleProtocolDecoderOutput out = new SimpleProtocolDecoderOutput();
        ByteBuffer in = ByteBuffer.allocate( 16 );
    
        // Test one decode and one output
        in.putString( "ABC\r\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 1, out.getMessageQueue().size() );
        Assert.assertEquals( "ABC", out.getMessageQueue().pop() );
       
        // Test two decode and one output
        in.clear();
        in.putString( "DEF", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 0, out.getMessageQueue().size() );
        in.clear();
        in.putString( "GHI\r\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 1, out.getMessageQueue().size() );
        Assert.assertEquals( "DEFGHI", out.getMessageQueue().pop() );
       
        // Test one decode and two output
        in.clear();
        in.putString( "JKL\r\nMNO\r\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 2, out.getMessageQueue().size() );
        Assert.assertEquals( "JKL", out.getMessageQueue().pop() );
        Assert.assertEquals( "MNO", out.getMessageQueue().pop() );
       
        // Test splitted long delimiter
        decoder = new TextLineDecoder(
                Charset.forName( "UTF-8" ),
                new LineDelimiter( "\n\n\n" ) );
        in.clear();
        in.putString( "PQR\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 0, out.getMessageQueue().size() );
        in.clear();
        in.putString( "\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 0, out.getMessageQueue().size() );
        in.clear();
        in.putString( "\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 1, out.getMessageQueue().size() );
        Assert.assertEquals( "PQR", out.getMessageQueue().pop() );
    }
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            new TextLineDecoder(
                    Charset.forName( "UTF-8" ), LineDelimiter.AUTO );
       
        CharsetEncoder encoder = Charset.forName( "UTF-8" ).newEncoder();
        IoSession session = new DummySession();
        SimpleProtocolDecoderOutput out = new SimpleProtocolDecoderOutput();
        ByteBuffer in = ByteBuffer.allocate( 16 );
    
        // Test one decode and one output
        in.putString( "ABC\r\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 1, out.getMessageQueue().size() );
        Assert.assertEquals( "ABC", out.getMessageQueue().pop() );
       
        // Test two decode and one output
        in.clear();
        in.putString( "DEF", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 0, out.getMessageQueue().size() );
        in.clear();
        in.putString( "GHI\r\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 1, out.getMessageQueue().size() );
        Assert.assertEquals( "DEFGHI", out.getMessageQueue().pop() );
       
        // Test one decode and two output
        in.clear();
        in.putString( "JKL\r\nMNO\r\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 2, out.getMessageQueue().size() );
        Assert.assertEquals( "JKL", out.getMessageQueue().pop() );
        Assert.assertEquals( "MNO", out.getMessageQueue().pop() );
       
        // Test multiple '\n's
        in.clear();
        in.putString( "\n\n\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 3, out.getMessageQueue().size() );
        Assert.assertEquals( "", out.getMessageQueue().pop() );
        Assert.assertEquals( "", out.getMessageQueue().pop() );
        Assert.assertEquals( "", out.getMessageQueue().pop() );
       
        // Test splitted long delimiter (\r\r\n)
        in.clear();
        in.putString( "PQR\r", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 0, out.getMessageQueue().size() );
        in.clear();
        in.putString( "\r", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 0, out.getMessageQueue().size() );
        in.clear();
        in.putString( "\n", encoder );
        in.flip();
        decoder.decode( session, in, out );
        Assert.assertEquals( 1, out.getMessageQueue().size() );
        Assert.assertEquals( "PQR", out.getMessageQueue().pop() );
    }
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            return;
        }

        ByteBuffer in = ( ByteBuffer ) message;
        ProtocolDecoder decoder = getDecoder( session );
        SimpleProtocolDecoderOutput decoderOut = getDecoderOut( session );
       
        try
        {
            synchronized( decoder )
            {
                decoder.decode( session, in, decoderOut );
            }
        }
        catch( Throwable t )
        {
            ProtocolDecoderException pde;
            if( t instanceof ProtocolDecoderException )
            {
                pde = ( ProtocolDecoderException ) t;
            }
            else
            {
                pde = new ProtocolDecoderException( t );
            }
            pde.setHexdump( in.getHexDump() );
            throw pde;
        }
        finally
        {
            // Dispose the decoder if this session is connectionless.
            if( session.getTransportType().isConnectionless() )
            {
                disposeDecoder( session );
            }

            // Release the read buffer.
            in.release();

            Queue queue = decoderOut.getMessageQueue();
            synchronized( queue )
            {
                if( !queue.isEmpty() )
                {
                    do
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        return decoder;
    }
   
    private SimpleProtocolDecoderOutput getDecoderOut( IoSession session )
    {
        SimpleProtocolDecoderOutput out = ( SimpleProtocolDecoderOutput ) session.getAttribute( DECODER_OUT );
        if( out == null )
        {
            out = new SimpleProtocolDecoderOutput();
            session.setAttribute( DECODER_OUT, out );
        }
        return out;
    }
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Related Classes of org.apache.mina.filter.codec.support.SimpleProtocolDecoderOutput

  • org.apache.mina.filter.codec.ProtocolCodecFilter
  • org.apache.mina.filter.codec.QpidProtocolCodecFilter
  • org.apache.mina.filter.codec.textline.TextLineDecoderTest
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