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

Example 6 with SectionDecoderImpl

use of org.apache.qpid.server.protocol.v1_0.messaging.SectionDecoderImpl 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);
    }
}