| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.qpid.server.protocol.v0_10; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| |
| import java.util.UUID; |
| |
| import org.apache.qpid.server.bytebuffer.QpidByteBuffer; |
| import org.apache.qpid.server.message.MessageDestination; |
| import org.apache.qpid.server.message.internal.InternalMessage; |
| import org.apache.qpid.server.message.internal.InternalMessageHeader; |
| import org.apache.qpid.server.message.mimecontentconverter.MimeContentConverterRegistry; |
| import org.apache.qpid.server.message.mimecontentconverter.ObjectToMimeContentConverter; |
| import org.apache.qpid.server.model.DestinationAddress; |
| import org.apache.qpid.server.model.Exchange; |
| import org.apache.qpid.server.model.NamedAddressSpace; |
| import org.apache.qpid.server.model.Queue; |
| import org.apache.qpid.server.plugin.MessageConverter; |
| import org.apache.qpid.server.plugin.PluggableService; |
| import org.apache.qpid.server.protocol.converter.MessageConversionException; |
| import org.apache.qpid.server.protocol.v0_10.transport.DeliveryProperties; |
| import org.apache.qpid.server.protocol.v0_10.transport.EncoderUtils; |
| import org.apache.qpid.server.protocol.v0_10.transport.Header; |
| import org.apache.qpid.server.protocol.v0_10.transport.MessageDeliveryMode; |
| import org.apache.qpid.server.protocol.v0_10.transport.MessageDeliveryPriority; |
| import org.apache.qpid.server.protocol.v0_10.transport.MessageProperties; |
| import org.apache.qpid.server.protocol.v0_10.transport.ReplyTo; |
| import org.apache.qpid.server.store.StoredMessage; |
| |
| @PluggableService |
| public class MessageConverter_Internal_to_v0_10 implements MessageConverter<InternalMessage, MessageTransferMessage> |
| { |
| private static final int MAX_VBIN16_LENGTH = 0xFFFF; |
| private static final int MAX_STR8_LENGTH = 0xFF; |
| |
| @Override |
| public Class<InternalMessage> getInputClass() |
| { |
| return InternalMessage.class; |
| } |
| |
| @Override |
| public Class<MessageTransferMessage> getOutputClass() |
| { |
| return MessageTransferMessage.class; |
| } |
| |
| @Override |
| public MessageTransferMessage convert(InternalMessage serverMsg, NamedAddressSpace addressSpace) |
| { |
| return new MessageTransferMessage(convertToStoredMessage(serverMsg, addressSpace), null); |
| } |
| |
| @Override |
| public void dispose(final MessageTransferMessage message) |
| { |
| |
| } |
| |
| private StoredMessage<MessageMetaData_0_10> convertToStoredMessage(final InternalMessage serverMsg, |
| final NamedAddressSpace addressSpace) |
| { |
| Object messageBody = serverMsg.getMessageBody(); |
| ObjectToMimeContentConverter converter = MimeContentConverterRegistry.getBestFitObjectToMimeContentConverter(messageBody); |
| final byte[] messageContent = converter == null ? new byte[] {} : converter.toMimeContent(messageBody); |
| String mimeType = converter == null ? null : converter.getMimeType(); |
| |
| mimeType = improveMimeType(serverMsg, mimeType); |
| |
| final MessageMetaData_0_10 messageMetaData_0_10 = |
| convertMetaData(serverMsg, addressSpace, mimeType, messageContent.length); |
| final int metadataSize = messageMetaData_0_10.getStorableSize(); |
| |
| return new StoredMessage<MessageMetaData_0_10>() |
| { |
| @Override |
| public MessageMetaData_0_10 getMetaData() |
| { |
| return messageMetaData_0_10; |
| } |
| |
| @Override |
| public long getMessageNumber() |
| { |
| return serverMsg.getMessageNumber(); |
| } |
| |
| @Override |
| public QpidByteBuffer getContent(final int offset, final int length) |
| { |
| return QpidByteBuffer.wrap(messageContent, offset, length); |
| } |
| |
| @Override |
| public int getContentSize() |
| { |
| return messageContent.length; |
| } |
| |
| @Override |
| public int getMetadataSize() |
| { |
| return metadataSize; |
| } |
| |
| @Override |
| public void remove() |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public boolean isInMemory() |
| { |
| return true; |
| } |
| |
| @Override |
| public boolean flowToDisk() |
| { |
| return false; |
| } |
| |
| @Override |
| public void reallocate() |
| { |
| |
| } |
| }; |
| } |
| |
| private String improveMimeType(final InternalMessage serverMsg, String mimeType) |
| { |
| if (serverMsg.getMessageHeader() != null && serverMsg.getMessageHeader().getMimeType() != null) |
| { |
| if ("text/plain".equals(mimeType) && |
| serverMsg.getMessageHeader().getMimeType().startsWith("text/")) |
| { |
| mimeType = serverMsg.getMessageHeader().getMimeType(); |
| } |
| else if ("application/octet-stream".equals(mimeType)) |
| { |
| mimeType = serverMsg.getMessageHeader().getMimeType(); |
| } |
| } |
| return mimeType; |
| } |
| |
| private MessageMetaData_0_10 convertMetaData(final InternalMessage serverMsg, |
| final NamedAddressSpace addressSpace, |
| final String bodyMimeType, |
| final int size) |
| { |
| DeliveryProperties deliveryProps = new DeliveryProperties(); |
| MessageProperties messageProps = new MessageProperties(); |
| |
| deliveryProps.setDeliveryMode(serverMsg.isPersistent() |
| ? MessageDeliveryMode.PERSISTENT |
| : MessageDeliveryMode.NON_PERSISTENT); |
| long expiration = serverMsg.getExpiration(); |
| if (expiration > 0) |
| { |
| deliveryProps.setExpiration(expiration); |
| deliveryProps.setTtl(Math.max(0, expiration - serverMsg.getArrivalTime())); |
| } |
| InternalMessageHeader messageHeader = serverMsg.getMessageHeader(); |
| deliveryProps.setPriority(MessageDeliveryPriority.get(messageHeader.getPriority())); |
| convertToAndInitialRoutingKey(serverMsg, deliveryProps, addressSpace); |
| deliveryProps.setTimestamp(messageHeader.getTimestamp()); |
| |
| messageProps.setContentEncoding(ensureStr8("content-encoding", messageHeader.getEncoding())); |
| messageProps.setContentLength(size); |
| messageProps.setContentType(bodyMimeType); |
| if (messageHeader.getCorrelationId() != null) |
| { |
| messageProps.setCorrelationId(ensureVBin16("correlation-id", messageHeader |
| .getCorrelationId().getBytes(UTF_8))); |
| } |
| |
| validateValue(messageHeader.getHeaderMap(), "application-headers"); |
| |
| messageProps.setApplicationHeaders(messageHeader.getHeaderMap()); |
| String messageIdAsString = messageHeader.getMessageId(); |
| if (messageIdAsString != null) |
| { |
| try |
| { |
| if (messageIdAsString.startsWith("ID:")) |
| { |
| messageIdAsString = messageIdAsString.substring(3); |
| } |
| messageProps.setMessageId(UUID.fromString(messageIdAsString)); |
| } |
| catch (IllegalArgumentException iae) |
| { |
| // ignore message id is not a UUID |
| } |
| } |
| String userId = messageHeader.getUserId(); |
| if (userId != null) |
| { |
| byte[] bytes = userId.getBytes(UTF_8); |
| if (bytes.length <= MAX_VBIN16_LENGTH) |
| { |
| messageProps.setUserId(bytes); |
| } |
| } |
| |
| final String origReplyTo = messageHeader.getReplyTo(); |
| if (origReplyTo != null && !origReplyTo.equals("")) |
| { |
| messageProps.setReplyTo(getReplyTo(addressSpace, origReplyTo)); |
| } |
| |
| Header header = new Header(deliveryProps, messageProps, null); |
| return new MessageMetaData_0_10(header, size, serverMsg.getArrivalTime()); |
| } |
| |
| private void convertToAndInitialRoutingKey(final InternalMessage serverMsg, |
| final DeliveryProperties deliveryProps, |
| final NamedAddressSpace addressSpace) |
| { |
| String to = serverMsg.getTo(); |
| |
| final String exchangeName; |
| final String routingKey; |
| if (to == null || "".equals(to)) |
| { |
| to = serverMsg.getInitialRoutingAddress(); |
| } |
| |
| if (to != null && !"".equals(to)) |
| { |
| DestinationAddress destinationAddress = new DestinationAddress(addressSpace, to); |
| MessageDestination messageDestination = destinationAddress.getMessageDestination(); |
| if (messageDestination instanceof Queue) |
| { |
| exchangeName = ""; |
| routingKey = messageDestination.getName(); |
| } |
| else if (messageDestination instanceof Exchange) |
| { |
| exchangeName = messageDestination.getName(); |
| routingKey = destinationAddress.getRoutingKey(); |
| } |
| else |
| { |
| exchangeName = ""; |
| routingKey = to; |
| } |
| } |
| else |
| { |
| exchangeName = ""; |
| routingKey = ""; |
| } |
| |
| deliveryProps.setRoutingKey(ensureStr8("to' or 'initialRoutingAddress", routingKey)); |
| deliveryProps.setExchange(ensureStr8("to' or 'initialRoutingAddress", exchangeName)); |
| } |
| |
| private ReplyTo getReplyTo(final NamedAddressSpace addressSpace, final String origReplyTo) |
| { |
| DestinationAddress destinationAddress = new DestinationAddress(addressSpace, origReplyTo); |
| MessageDestination messageDestination = destinationAddress.getMessageDestination(); |
| final String exchange = ensureStr8("reply-to[\"exchange\"]", messageDestination instanceof Exchange |
| ? messageDestination.getName() : ""); |
| final String routingKey = ensureStr8("reply-to[\"routing-key\"]", messageDestination instanceof Queue |
| ? messageDestination.getName() : destinationAddress.getRoutingKey()); |
| return new ReplyTo(exchange, routingKey); |
| } |
| |
| private void validateValue(final Object value, final String path) |
| { |
| if (!EncoderUtils.isEncodable(value)) |
| { |
| throw new MessageConversionException(String.format( |
| "Could not convert message from internal to 0-10 because conversion of %s failed. Unsupported type is used.", path)); |
| } |
| } |
| |
| |
| @Override |
| public String getType() |
| { |
| return "Internal to v0-10"; |
| } |
| |
| private byte[] ensureVBin16(final String propertyName, final byte[] result) |
| { |
| if (result != null && result.length > MAX_VBIN16_LENGTH) |
| { |
| throw new MessageConversionException(String.format( |
| "Could not convert message from internal to 0-10 because conversion of '%s' failed." |
| + " The array length exceeds allowed maximum.", |
| propertyName)); |
| } |
| return result; |
| } |
| |
| private String ensureStr8(final String propertyName, String string) |
| { |
| if (string != null && string.length() > MAX_STR8_LENGTH) |
| { |
| throw new MessageConversionException(String.format( |
| "Could not convert message from internal to 0-10 because conversion of '%s' failed." |
| + " The string length exceeds allowed maximum.", |
| propertyName)); |
| } |
| return string; |
| } |
| |
| } |