Package org.apache.mina.common

Examples of org.apache.mina.common.ByteBuffer$DefaultByteBuffer

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                LineDelimiter.WINDOWS);

        CharsetEncoder encoder = Charset.forName("UTF-8").newEncoder();
        IoSession session = new DummySession();
        TestDecoderOutput out = new TestDecoderOutput();
        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().poll());

        // 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().poll());

        // 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().poll());
        Assert.assertEquals("MNO", out.getMessageQueue().poll());

        // 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().poll());

        // Test splitted long delimiter which produces two output
        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("\nSTU\n\n\n", encoder);
        in.flip();
        decoder.decode(session, in, out);
        Assert.assertEquals(2, out.getMessageQueue().size());
        Assert.assertEquals("PQR", out.getMessageQueue().poll());
        Assert.assertEquals("STU", out.getMessageQueue().poll());

        // Test splitted long delimiter mixed with partial non-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("X\n", encoder);
        in.flip();
        decoder.decode(session, in, out);
        Assert.assertEquals(0, out.getMessageQueue().size());
        in.clear();
        in.putString("\n\nSTU\n\n\n", encoder);
        in.flip();
        decoder.decode(session, in, out);
        Assert.assertEquals(2, out.getMessageQueue().size());
        Assert.assertEquals("PQR\nX", out.getMessageQueue().poll());
        Assert.assertEquals("STU", out.getMessageQueue().poll());
    }
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        ProtocolEncoder encoder = new ObjectSerializationEncoder();
        encoder.encode(session, expected, out);

        Assert.assertEquals(1, out.getBufferQueue().size());
        ByteBuffer buf = out.getBufferQueue().poll();

        testDecoderAndInputStream(expected, buf);
    }
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        Zlib inflater = (Zlib) session.getAttribute(INFLATER);
        if (inflater == null) {
            throw new IllegalStateException();
        }

        ByteBuffer inBuffer = (ByteBuffer) message;
        ByteBuffer outBuffer = inflater.inflate(inBuffer);
        inBuffer.release();
        nextFilter.messageReceived(session, outBuffer);
    }
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        Zlib deflater = (Zlib) session.getAttribute(DEFLATER);
        if (deflater == null) {
            throw new IllegalStateException();
        }

        ByteBuffer inBuffer = (ByteBuffer) writeRequest.getMessage();
        if (!inBuffer.hasRemaining()) {
            // Ignore empty buffers
            nextFilter.filterWrite(session, writeRequest);
        } else {
            ByteBuffer outBuf = deflater.deflate(inBuffer);
            inBuffer.release();
            nextFilter.filterWrite(session, new WriteRequest(outBuf,
                    writeRequest.getFuture()));
        }
    }
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                LineDelimiter.AUTO);

        CharsetEncoder encoder = Charset.forName("UTF-8").newEncoder();
        IoSession session = new DummySession();
        TestDecoderOutput out = new TestDecoderOutput();
        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().poll());

        // 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().poll());

        // 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().poll());
        Assert.assertEquals("MNO", out.getMessageQueue().poll());

        // 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().poll());
        Assert.assertEquals("", out.getMessageQueue().poll());
        Assert.assertEquals("", out.getMessageQueue().poll());

        // 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().poll());

        // Test splitted long delimiter (\r\r\n) which produces two output
        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("\nSTU\r\r\n", encoder);
        in.flip();
        decoder.decode(session, in, out);
        Assert.assertEquals(2, out.getMessageQueue().size());
        Assert.assertEquals("PQR", out.getMessageQueue().poll());
        Assert.assertEquals("STU", out.getMessageQueue().poll());

        // Test splitted long delimiter mixed with partial non-delimiter.
        in.clear();
        in.putString("PQR\r", encoder);
        in.flip();
        decoder.decode(session, in, out);
        Assert.assertEquals(0, out.getMessageQueue().size());
        in.clear();
        in.putString("X\r", encoder);
        in.flip();
        decoder.decode(session, in, out);
        Assert.assertEquals(0, out.getMessageQueue().size());
        in.clear();
        in.putString("\r\nSTU\r\r\n", encoder);
        in.flip();
        decoder.decode(session, in, out);
        Assert.assertEquals(2, out.getMessageQueue().size());
        Assert.assertEquals("PQR\rX", out.getMessageQueue().poll());
        Assert.assertEquals("STU", out.getMessageQueue().poll());
    }
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        decoder.setMaxLineLength(3);

        CharsetEncoder encoder = Charset.forName("UTF-8").newEncoder();
        IoSession session = new DummySession();
        TestDecoderOutput out = new TestDecoderOutput();
        ByteBuffer in = ByteBuffer.allocate(16);

        // Make sure the overflow exception is not thrown until
        // the delimiter is encountered.
        in.putString("A", encoder).flip().mark();
        decoder.decode(session, in.reset().mark(), out);
        Assert.assertEquals(0, out.getMessageQueue().size());
        decoder.decode(session, in.reset().mark(), out);
        Assert.assertEquals(0, out.getMessageQueue().size());
        decoder.decode(session, in.reset().mark(), out);
        Assert.assertEquals(0, out.getMessageQueue().size());
        decoder.decode(session, in.reset().mark(), out);
        Assert.assertEquals(0, out.getMessageQueue().size());
       
        in.clear().putString("A\r\nB\r\n", encoder).flip();
        try {
            decoder.decode(session, in, out);
            Assert.fail();
        } catch (BufferDataException e) {
            // Success!
        }
       
        decoder.decode(session, in, out);
        Assert.assertEquals(1, out.getMessageQueue().size());
        Assert.assertEquals("B", out.getMessageQueue().poll());

        // Make sure OOM is not thrown.
        long oldFreeMemory = Runtime.getRuntime().freeMemory();
        in = ByteBuffer.allocate(1048576 * 16).mark();
        for (int i = 0; i < 10; i ++) {
            decoder.decode(session, in.reset().mark(), out);
            Assert.assertEquals(0, out.getMessageQueue().size());

            // Memory consumption should be minimal.
            Assert.assertTrue(Runtime.getRuntime().freeMemory() - oldFreeMemory < 1048576);
        }

        in.clear().putString("C\r\nD\r\n", encoder).flip();
        try {
            decoder.decode(session, in, out);
            Assert.fail();
        } catch (BufferDataException e) {
            // Success!
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            }
        };

        encoder.encode(session, "ABC", out);
        Assert.assertEquals(1, out.getBufferQueue().size());
        ByteBuffer buf = out.getBufferQueue().poll();
        Assert.assertEquals(5, buf.remaining());
        Assert.assertEquals('A', buf.get());
        Assert.assertEquals('B', buf.get());
        Assert.assertEquals('C', buf.get());
        Assert.assertEquals('\r', buf.get());
        Assert.assertEquals('\n', buf.get());
    }
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            }
        }

        public void messageReceived( IoSession session, Object message ) throws Exception
        {
            ByteBuffer buf = ( ByteBuffer ) message;
            while( buf.hasRemaining() )
            {
                digest.update( buf.get() );
                bytesRead++;
            }
            if( bytesRead >= size )
            {
                session.close();
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  public void encode(IoSession session, Object obj, ProtocolEncoderOutput out)
  throws Exception {
    StructMessage m = (StructMessage)obj;
    byte[] buffer = JavaStruct.pack(m);
      ByteBuffer b = ByteBuffer.allocate(buffer.length + 8, false);
      b.putInt(buffer.length + 4);
      b.putInt(m.getID());
      b.put(buffer);
      b.flip();
      out.write(b);
  }
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        if (!(message instanceof ByteBuffer)) {
            nextFilter.messageReceived(session, message);
            return;
        }

        ByteBuffer in = (ByteBuffer) message;
        ProtocolDecoder decoder = getDecoder(session);
        ProtocolDecoderOutput decoderOut = getDecoderOut(session, nextFilter);

        try {
            synchronized (decoderOut) {
                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();

            decoderOut.flush();
        }
    }
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