Examples with SectionDecoder org.apache.qpid.server.protocol.v1_0.messaging.SectionDecoder used on opensource projects

Example 1 with SectionDecoder

use of org.apache.qpid.server.protocol.v1_0.messaging.SectionDecoder in project qpid-broker-j by apache.

the class MessageConverter_0_10_to_1_0Test method getEncodingRetainingSections.

private List<EncodingRetainingSection<?>> getEncodingRetainingSections(final QpidByteBuffer content, final int expectedNumberOfSections) throws Exception {
    SectionDecoder sectionDecoder = new SectionDecoderImpl(_typeRegistry.getSectionDecoderRegistry());
    final List<EncodingRetainingSection<?>> sections = sectionDecoder.parseAll(content);
    assertEquals("Unexpected number of sections", expectedNumberOfSections, sections.size());
    return sections;
}

Example 2 with SectionDecoder

use of org.apache.qpid.server.protocol.v1_0.messaging.SectionDecoder in project qpid-broker-j by apache.

the class MessageConverter_0_8_to_1_0Test method getEncodingRetainingSections.

private List<EncodingRetainingSection<?>> getEncodingRetainingSections(final QpidByteBuffer content, final int expectedNumberOfSections) throws Exception {
    SectionDecoder sectionDecoder = new SectionDecoderImpl(_typeRegistry.getSectionDecoderRegistry());
    final List<EncodingRetainingSection<?>> sections = sectionDecoder.parseAll(content);
    assertEquals("Unexpected number of sections", expectedNumberOfSections, sections.size());
    return sections;
}

Example 3 with SectionDecoder

use of org.apache.qpid.server.protocol.v1_0.messaging.SectionDecoder in project qpid-broker-j by apache.

the class MessageConverter_Internal_to_1_0Test method getEncodingRetainingSections.

private List<EncodingRetainingSection<?>> getEncodingRetainingSections(final QpidByteBuffer content, final int expectedNumberOfSections) throws Exception {
    SectionDecoder sectionDecoder = new SectionDecoderImpl(_typeRegistry.getSectionDecoderRegistry());
    final List<EncodingRetainingSection<?>> sections = sectionDecoder.parseAll(content);
    assertEquals("Unexpected number of sections", expectedNumberOfSections, sections.size());
    return sections;
}

Example 4 with SectionDecoder

use of org.apache.qpid.server.protocol.v1_0.messaging.SectionDecoder in project qpid-broker-j by apache.

the class MessageConverter_from_1_0 method convertBodyToObject.

static Object convertBodyToObject(final Message_1_0 serverMessage) {
    SectionDecoderImpl sectionDecoder = new SectionDecoderImpl(MessageConverter_v1_0_to_Internal.TYPE_REGISTRY.getSectionDecoderRegistry());
    Object bodyObject = null;
    List<EncodingRetainingSection<?>> sections = null;
    try {
        try (QpidByteBuffer allData = serverMessage.getContent()) {
            sections = sectionDecoder.parseAll(allData);
        }
        List<EncodingRetainingSection<?>> bodySections = new ArrayList<>(sections.size());
        ListIterator<EncodingRetainingSection<?>> iterator = sections.listIterator();
        EncodingRetainingSection<?> previousSection = null;
        while (iterator.hasNext()) {
            EncodingRetainingSection<?> section = iterator.next();
            if (section instanceof AmqpValueSection || section instanceof DataSection || section instanceof AmqpSequenceSection) {
                if (previousSection != null && (previousSection.getClass() != section.getClass() || section instanceof AmqpValueSection)) {
                    throw new MessageConversionException("Message is badly formed and has multiple body section which are not all Data or not all AmqpSequence");
                } else {
                    previousSection = section;
                }
                bodySections.add(section);
            }
        }
        // In 1.0 of the spec, it is illegal to have message with no body but AMQP-127 asks to have that restriction lifted
        if (!bodySections.isEmpty()) {
            EncodingRetainingSection<?> firstBodySection = bodySections.get(0);
            if (firstBodySection instanceof AmqpValueSection) {
                bodyObject = convertValue(firstBodySection.getValue());
            } else if (firstBodySection instanceof DataSection) {
                int totalSize = 0;
                for (EncodingRetainingSection<?> section : bodySections) {
                    totalSize += ((DataSection) section).getValue().getArray().length;
                }
                byte[] bodyData = new byte[totalSize];
                ByteBuffer buf = ByteBuffer.wrap(bodyData);
                for (EncodingRetainingSection<?> section : bodySections) {
                    buf.put(((DataSection) section).getValue().asByteBuffer());
                }
                bodyObject = bodyData;
            } else {
                ArrayList<Object> totalSequence = new ArrayList<>();
                for (EncodingRetainingSection<?> section : bodySections) {
                    totalSequence.addAll(((AmqpSequenceSection) section).getValue());
                }
                bodyObject = convertValue(totalSequence);
            }
        }
    } catch (AmqpErrorException e) {
        throw new ConnectionScopedRuntimeException(e);
    } finally {
        if (sections != null) {
            sections.forEach(EncodingRetaining::dispose);
        }
    }
    return bodyObject;
}

Example 5 with SectionDecoder

use of org.apache.qpid.server.protocol.v1_0.messaging.SectionDecoder in project qpid-broker-j by apache.

the class Message_1_0 method getContent.

@Override
public QpidByteBuffer getContent(final int offset, final int length) {
    if (getMessageMetaData().getVersion() == 0) {
        SectionDecoder sectionDecoder = new SectionDecoderImpl(DESCRIBED_TYPE_REGISTRY.getSectionDecoderRegistry());
        try {
            List<EncodingRetainingSection<?>> sections;
            // not just #getSize()
            try (QpidByteBuffer allSectionsContent = super.getContent(0, Integer.MAX_VALUE)) {
                sections = sectionDecoder.parseAll(allSectionsContent);
            }
            List<QpidByteBuffer> bodySectionContent = new ArrayList<>();
            for (final EncodingRetainingSection<?> section : sections) {
                if (section instanceof DataSection || section instanceof AmqpValueSection || section instanceof AmqpSequenceSection) {
                    bodySectionContent.add(section.getEncodedForm());
                }
                section.dispose();
            }
            try (QpidByteBuffer bodyContent = QpidByteBuffer.concatenate(bodySectionContent)) {
                bodySectionContent.forEach(QpidByteBuffer::dispose);
                return bodyContent.view(offset, length);
            }
        } catch (AmqpErrorException e) {
            throw new ConnectionScopedRuntimeException(e);
        }
    } else {
        return super.getContent(offset, length);
    }
}