| /* |
| * |
| * 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_8; |
| |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| import org.apache.qpid.server.bytebuffer.QpidByteBuffer; |
| import org.apache.qpid.server.exchange.ExchangeDefaults; |
| import org.apache.qpid.server.message.MessageDestination; |
| import org.apache.qpid.server.message.internal.InternalMessage; |
| 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_8.transport.BasicContentHeaderProperties; |
| import org.apache.qpid.server.protocol.v0_8.transport.ContentHeaderBody; |
| import org.apache.qpid.server.protocol.v0_8.transport.MessagePublishInfo; |
| import org.apache.qpid.server.store.StoredMessage; |
| |
| @PluggableService |
| public class MessageConverter_Internal_to_v0_8 implements MessageConverter<InternalMessage, AMQMessage> |
| { |
| |
| |
| @Override |
| public Class<InternalMessage> getInputClass() |
| { |
| return InternalMessage.class; |
| } |
| |
| @Override |
| public Class<AMQMessage> getOutputClass() |
| { |
| return AMQMessage.class; |
| } |
| |
| @Override |
| public AMQMessage convert(InternalMessage serverMsg, NamedAddressSpace addressSpace) |
| { |
| return new AMQMessage(convertToStoredMessage(serverMsg, addressSpace), null); |
| } |
| |
| @Override |
| public void dispose(final AMQMessage message) |
| { |
| |
| } |
| |
| private StoredMessage<MessageMetaData> convertToStoredMessage(final InternalMessage serverMsg, |
| final NamedAddressSpace addressSpace) |
| { |
| Object messageBody = serverMsg.getMessageBody(); |
| ObjectToMimeContentConverter converter = MimeContentConverterRegistry.getBestFitObjectToMimeContentConverter(messageBody); |
| final byte[] messageContent; |
| try |
| { |
| messageContent = converter == null ? new byte[] {} : converter.toMimeContent(messageBody); |
| } |
| catch (IllegalArgumentException e) |
| { |
| throw new MessageConversionException("Could not convert message from Internal to 0-8 because" |
| + " conversion of message content failed.", e); |
| } |
| String mimeType = converter == null ? null : converter.getMimeType(); |
| |
| mimeType = improveMimeType(serverMsg, mimeType); |
| |
| final MessageMetaData messageMetaData_0_8 = |
| convertMetaData(serverMsg, addressSpace, mimeType, messageContent.length); |
| final int metadataSize = messageMetaData_0_8.getStorableSize(); |
| |
| return new StoredMessage<MessageMetaData>() |
| { |
| @Override |
| public MessageMetaData getMetaData() |
| { |
| return messageMetaData_0_8; |
| } |
| |
| @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 convertMetaData(final InternalMessage serverMsg, |
| final NamedAddressSpace addressSpace, |
| final String bodyMimeType, |
| final int size) |
| { |
| |
| MessagePublishInfo publishInfo = createMessagePublishInfo(serverMsg, addressSpace); |
| |
| final BasicContentHeaderProperties props = new BasicContentHeaderProperties(); |
| props.setAppId(serverMsg.getMessageHeader().getAppId()); |
| props.setContentType(bodyMimeType); |
| props.setCorrelationId(convertToShortStringForProperty("correlation-id", serverMsg.getMessageHeader().getCorrelationId())); |
| props.setDeliveryMode(serverMsg.isPersistent() ? BasicContentHeaderProperties.PERSISTENT : BasicContentHeaderProperties.NON_PERSISTENT); |
| props.setExpiration(serverMsg.getExpiration()); |
| props.setMessageId(convertToOptionalAMQPShortString(serverMsg.getMessageHeader().getMessageId())); |
| props.setPriority(serverMsg.getMessageHeader().getPriority()); |
| props.setReplyTo(convertToShortStringForProperty("reply-to", getReplyTo(serverMsg, addressSpace))); |
| props.setTimestamp(serverMsg.getMessageHeader().getTimestamp()); |
| |
| props.setUserId(convertToOptionalAMQPShortString(serverMsg.getMessageHeader().getUserId())); |
| |
| props.setEncoding(convertToShortStringForProperty("encoding", serverMsg.getMessageHeader().getEncoding())); |
| |
| Map<String,Object> headerProps = new LinkedHashMap<String, Object>(); |
| |
| for(String headerName : serverMsg.getMessageHeader().getHeaderNames()) |
| { |
| headerProps.put(headerName, serverMsg.getMessageHeader().getHeader(headerName)); |
| } |
| |
| try |
| { |
| props.setHeaders(FieldTable.convertToFieldTable(headerProps)); |
| } |
| catch (IllegalArgumentException | AMQPInvalidClassException e) |
| { |
| throw new MessageConversionException("Could not convert message from internal to 0-8 because headers conversion failed.", e); |
| } |
| |
| final ContentHeaderBody chb = new ContentHeaderBody(props); |
| chb.setBodySize(size); |
| return new MessageMetaData(publishInfo, chb, serverMsg.getArrivalTime()); |
| } |
| |
| private MessagePublishInfo createMessagePublishInfo(final InternalMessage serverMsg, |
| 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 = ""; |
| } |
| |
| return new MessagePublishInfo(convertToShortStringForProperty("to", exchangeName), |
| false, |
| false, |
| convertToShortStringForProperty("to' or 'subject", |
| routingKey)); |
| } |
| |
| private String getReplyTo(final InternalMessage serverMsg, final NamedAddressSpace addressSpace) |
| { |
| String replyTo = serverMsg.getMessageHeader().getReplyTo(); |
| |
| if (replyTo != null) |
| { |
| DestinationAddress destinationAddress = new DestinationAddress(addressSpace, replyTo); |
| MessageDestination messageDestination = destinationAddress.getMessageDestination(); |
| |
| final String replyToBindingUrl; |
| if (messageDestination instanceof Exchange) |
| { |
| Exchange<?> exchange = (Exchange<?>) messageDestination; |
| |
| final String routingKeyOption = "".equals(destinationAddress.getRoutingKey()) |
| ? "" |
| : String.format("?routingkey='%s'", destinationAddress.getRoutingKey()); |
| replyToBindingUrl = String.format("%s://%s//%s", |
| exchange.getType(), |
| exchange.getName(), |
| routingKeyOption); |
| } |
| else if (messageDestination instanceof Queue) |
| { |
| replyToBindingUrl = String.format("%s:////%s", |
| ExchangeDefaults.DIRECT_EXCHANGE_CLASS, |
| messageDestination.getName()); |
| } |
| else |
| { |
| replyToBindingUrl = String.format("%s:////?routingkey='%s'", |
| ExchangeDefaults.DIRECT_EXCHANGE_CLASS, |
| destinationAddress.getRoutingKey()); |
| } |
| |
| return replyToBindingUrl; |
| } |
| return null; |
| } |
| |
| private AMQShortString convertToOptionalAMQPShortString(final String stringValue) |
| { |
| AMQShortString result; |
| try |
| { |
| result = AMQShortString.valueOf(stringValue); |
| } |
| catch (IllegalArgumentException e) |
| { |
| result = null; |
| } |
| return result; |
| } |
| |
| private AMQShortString convertToShortStringForProperty(String propertyName, String s) |
| { |
| try |
| { |
| return AMQShortString.valueOf(s); |
| } |
| catch (IllegalArgumentException e) |
| { |
| throw new MessageConversionException(String.format( |
| "Could not convert message from internal to 0-8 because conversion of '%s' failed.", propertyName), e); |
| } |
| } |
| |
| |
| @Override |
| public String getType() |
| { |
| return "Internal to v0-8"; |
| } |
| } |