Package org.msgpack.core

Examples of org.msgpack.core.MessageUnpacker

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        childArray.add(1.23f);
        hashMap.put("childArray", childArray);

        long bitmap = 0;
        byte[] bytes = objectMapper.writeValueAsBytes(hashMap);
        MessageUnpacker messageUnpacker = new MessageUnpacker(new ArrayBufferInput(bytes));
        assertEquals(hashMap.size(), messageUnpacker.unpackMapHeader());
        for (int i = 0; i < hashMap.size(); i++) {
            String key = messageUnpacker.unpackString();
            if (key.equals("str")) {
                // #1
                assertEquals("komamitsu", messageUnpacker.unpackString());
                bitmap |= 0x1 << 0;
            }
            else if (key.equals("boolean")) {
                // #2
                assertTrue(messageUnpacker.unpackBoolean());
                bitmap |= 0x1 << 1;
            }
            else if (key.equals("int")) {
                // #3
                assertEquals(Integer.MAX_VALUE, messageUnpacker.unpackInt());
                bitmap |= 0x1 << 2;
            }
            else if (key.equals("long")) {
                // #4
                assertEquals(Long.MIN_VALUE, messageUnpacker.unpackLong());
                bitmap |= 0x1 << 3;
            }
            else if (key.equals("float")) {
                // #5
                assertEquals(3.14159f, messageUnpacker.unpackFloat(), 0.01f);
                bitmap |= 0x1 << 4;
            }
            else if (key.equals("double")) {
                // #6
                assertEquals(3.14159d, messageUnpacker.unpackDouble(), 0.01f);
                bitmap |= 0x1 << 5;
            }
            else if (key.equals("bin")) {
                // #7
                assertEquals(4,  messageUnpacker.unpackBinaryHeader());
                assertEquals((byte)0x00, messageUnpacker.unpackByte());
                assertEquals((byte)0x01, messageUnpacker.unpackByte());
                assertEquals((byte)0xFE, messageUnpacker.unpackByte());
                assertEquals((byte)0xFF, messageUnpacker.unpackByte());
                bitmap |= 0x1 << 6;
            }
            else if (key.equals("childObj")) {
                // #8
                assertEquals(2, messageUnpacker.unpackMapHeader());
                for (int j = 0; j < 2; j++) {
                    String childKey = messageUnpacker.unpackString();
                    if (childKey.equals("co_str")) {
                        assertEquals("child#0", messageUnpacker.unpackString());
                        bitmap |= 0x1 << 7;
                    }
                    else if (childKey.equals("co_int")) {
                        assertEquals(12345, messageUnpacker.unpackInt());
                        bitmap |= 0x1 << 8;
                    }
                    else {
                        assertTrue(false);
                    }
                }
            }
            else if (key.equals("childArray")) {
                // #9
                assertEquals(2, messageUnpacker.unpackArrayHeader());
                assertEquals("child#1", messageUnpacker.unpackString());
                assertEquals(1.23f, messageUnpacker.unpackFloat(), 0.01f);
                bitmap |= 0x1 << 9;
            }
            else {
                assertTrue(false);
            }
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        // #7
        array.add(false);

        long bitmap = 0;
        byte[] bytes = objectMapper.writeValueAsBytes(array);
        MessageUnpacker messageUnpacker = new MessageUnpacker(new ArrayBufferInput(bytes));
        assertEquals(array.size(), messageUnpacker.unpackArrayHeader());
        // #1
        assertEquals("komamitsu", messageUnpacker.unpackString());
        // #2
        assertEquals(Integer.MAX_VALUE, messageUnpacker.unpackInt());
        // #3
        assertEquals(Long.MIN_VALUE, messageUnpacker.unpackLong());
        // #4
        assertEquals(3.14159f, messageUnpacker.unpackFloat(), 0.01f);
        // #5
        assertEquals(3.14159d, messageUnpacker.unpackDouble(), 0.01f);
        // #6
        assertEquals(2, messageUnpacker.unpackMapHeader());
        for (int i = 0; i < childObject.size(); i++) {
            String key = messageUnpacker.unpackString();
            if (key.equals("str")) {
                assertEquals("foobar", messageUnpacker.unpackString());
                bitmap |= 0x1 << 0;
            }
            else if (key.equals("num")) {
                assertEquals(123456, messageUnpacker.unpackInt());
                bitmap |= 0x1 << 1;
            }
            else {
                assertTrue(false);
            }
        }
        assertEquals(0x3, bitmap);
        // #7
        assertEquals(false, messageUnpacker.unpackBoolean());
    }
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    private MessagePackParser(IOContext ctxt, int features, MessageBufferInput input) throws IOException {
        DupDetector dups = Feature.STRICT_DUPLICATE_DETECTION.enabledIn(features)
                ? DupDetector.rootDetector(this) : null;
        parsingContext = JsonReadContext.createRootContext(dups);

        MessageUnpacker messageUnpacker = messageUnpackerHolder.get();
        if (messageUnpacker == null) {
            messageUnpacker = new MessageUnpacker(input);
        }
        else {
            messageUnpacker.reset(input);
        }
        messageUnpackerHolder.set(messageUnpacker);
    }
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        return null;
    }

    @Override
    public JsonToken nextToken() throws IOException, JsonParseException {
        MessageUnpacker messageUnpacker = getMessageUnpacker();
        JsonToken nextToken = null;
        if (parsingContext.inObject() || parsingContext.inArray()) {
            if (stack.getFirst().isEmpty()) {
                stack.pop();
                _currToken = parsingContext.inObject() ? JsonToken.END_OBJECT : JsonToken.END_ARRAY;
                parsingContext = parsingContext.getParent();

                return _currToken;
            }
        }

        MessageFormat nextFormat = messageUnpacker.getNextFormat();
        ValueType valueType = nextFormat.getValueType();

        // We should push a new StackItem lazily after updating the current stack.
        StackItem newStack = null;

        switch (valueType) {
            case NIL:
                messageUnpacker.unpackNil();
                nextToken = JsonToken.VALUE_NULL;
                break;
            case BOOLEAN:
                boolean b = messageUnpacker.unpackBoolean();
                nextToken = b ? JsonToken.VALUE_TRUE : JsonToken.VALUE_FALSE;
                break;
            case INTEGER:
                messageUnpacker.unpackValue(valueHolder);
                nextToken = JsonToken.VALUE_NUMBER_INT;
                break;
            case FLOAT:
                messageUnpacker.unpackValue(valueHolder);
                nextToken = JsonToken.VALUE_NUMBER_FLOAT;
                break;
            case STRING:
                messageUnpacker.unpackValue(valueHolder);
                if (parsingContext.inObject() && _currToken != JsonToken.FIELD_NAME) {
                    parsingContext.setCurrentName(valueHolder.getRef().asRaw().toString());
                    nextToken = JsonToken.FIELD_NAME;
                }
                else {
                    nextToken = JsonToken.VALUE_STRING;
                }
                break;
            case BINARY:
                messageUnpacker.unpackValue(valueHolder);
                nextToken = JsonToken.VALUE_EMBEDDED_OBJECT;
                break;
            case ARRAY:
                newStack = new StackItemForArray(messageUnpacker.unpackArrayHeader());
                break;
            case MAP:
                newStack = new StackItemForObject(messageUnpacker.unpackMapHeader());
                break;
            case EXTENDED:
                throw new UnsupportedOperationException();
            default:
                throw new IllegalStateException("Shouldn't reach here");
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    }

    @Override
    public void close() throws IOException {
        try {
            MessageUnpacker messageUnpacker = getMessageUnpacker();
            messageUnpacker.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        finally {
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        }
        return parsingContext.getCurrentName();
    }

    private MessageUnpacker getMessageUnpacker() {
        MessageUnpacker messageUnpacker = messageUnpackerHolder.get();
        if (messageUnpacker == null) {
            throw new IllegalStateException("messageUnpacker is null");
        }
        return messageUnpacker;
    }
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Related Classes of org.msgpack.core.MessageUnpacker

  • org.msgpack.core.buffer.MessageBuffer
  • org.msgpack.core.buffer.MessageBufferInput
  • org.msgpack.jackson.dataformat.MessagePackGeneratorTest
  • org.msgpack.jackson.dataformat.MessagePackParser
  • org.msgpack.value.impl.CursorImpl
  • org.msgpack.value.ValueType
  • java.nio.ByteBuffer
  • java.nio.charset.MalformedInputException
  • java.nio.charset.CoderResult
  • java.math.BigInteger
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