| /* |
| * |
| * 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.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.ObjectOutputStream; |
| import java.nio.ByteBuffer; |
| import java.nio.charset.Charset; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.qpid.bytebuffer.QpidByteBuffer; |
| import org.apache.qpid.framing.AMQShortString; |
| import org.apache.qpid.framing.BasicContentHeaderProperties; |
| import org.apache.qpid.framing.ContentHeaderBody; |
| import org.apache.qpid.framing.FieldTable; |
| import org.apache.qpid.framing.MessagePublishInfo; |
| import org.apache.qpid.server.message.internal.InternalMessage; |
| import org.apache.qpid.server.model.NamedAddressSpace; |
| import org.apache.qpid.server.plugin.MessageConverter; |
| import org.apache.qpid.server.plugin.PluggableService; |
| import org.apache.qpid.server.store.StoredMessage; |
| import org.apache.qpid.server.util.ConnectionScopedRuntimeException; |
| import org.apache.qpid.transport.codec.BBEncoder; |
| |
| @PluggableService |
| public class MessageConverter_Internal_to_v0_8 implements MessageConverter<InternalMessage, AMQMessage> |
| { |
| private static final int BASIC_CLASS_ID = 60; |
| private static final Charset UTF_8 = Charset.forName("UTF-8"); |
| |
| |
| 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), null); |
| } |
| |
| private StoredMessage<MessageMetaData> convertToStoredMessage(final InternalMessage serverMsg) |
| { |
| final byte[] messageContent = convertToBody(serverMsg.getMessageBody()); |
| final MessageMetaData messageMetaData_0_8 = convertMetaData(serverMsg, |
| getBodyMimeType(serverMsg.getMessageBody()), |
| messageContent.length); |
| |
| return new StoredMessage<MessageMetaData>() |
| { |
| @Override |
| public MessageMetaData getMetaData() |
| { |
| return messageMetaData_0_8; |
| } |
| |
| @Override |
| public long getMessageNumber() |
| { |
| return serverMsg.getMessageNumber(); |
| } |
| |
| @Override |
| public Collection<QpidByteBuffer> getContent(final int offset, final int length) |
| { |
| return Collections.singleton(QpidByteBuffer.wrap(messageContent, offset, length)); |
| } |
| |
| @Override |
| public void remove() |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public boolean isInMemory() |
| { |
| return true; |
| } |
| |
| @Override |
| public boolean flowToDisk() |
| { |
| return false; |
| } |
| }; |
| } |
| |
| private MessageMetaData convertMetaData(final InternalMessage serverMsg, final String bodyMimeType, final int size) |
| { |
| |
| MessagePublishInfo publishInfo = new MessagePublishInfo(AMQShortString.EMPTY_STRING, |
| false, |
| false, |
| AMQShortString.valueOf(serverMsg.getInitialRoutingAddress())); |
| |
| |
| final BasicContentHeaderProperties props = new BasicContentHeaderProperties(); |
| props.setAppId(serverMsg.getMessageHeader().getAppId()); |
| props.setContentType(bodyMimeType); |
| props.setCorrelationId(serverMsg.getMessageHeader().getCorrelationId()); |
| props.setDeliveryMode(serverMsg.isPersistent() ? BasicContentHeaderProperties.PERSISTENT : BasicContentHeaderProperties.NON_PERSISTENT); |
| props.setExpiration(serverMsg.getExpiration()); |
| props.setMessageId(serverMsg.getMessageHeader().getMessageId()); |
| props.setPriority(serverMsg.getMessageHeader().getPriority()); |
| props.setReplyTo(serverMsg.getMessageHeader().getReplyTo()); |
| props.setTimestamp(serverMsg.getMessageHeader().getTimestamp()); |
| props.setUserId(serverMsg.getMessageHeader().getUserId()); |
| |
| |
| Map<String,Object> headerProps = new LinkedHashMap<String, Object>(); |
| |
| for(String headerName : serverMsg.getMessageHeader().getHeaderNames()) |
| { |
| headerProps.put(headerName, serverMsg.getMessageHeader().getHeader(headerName)); |
| } |
| |
| props.setHeaders(FieldTable.convertToFieldTable(headerProps)); |
| |
| final ContentHeaderBody chb = new ContentHeaderBody(props); |
| chb.setBodySize(size); |
| return new MessageMetaData(publishInfo, chb, serverMsg.getArrivalTime()); |
| } |
| |
| |
| @Override |
| public String getType() |
| { |
| return "Internal to v0-8"; |
| } |
| |
| |
| public static byte[] convertToBody(Object object) |
| { |
| if(object instanceof String) |
| { |
| return ((String)object).getBytes(UTF_8); |
| } |
| else if(object instanceof byte[]) |
| { |
| return (byte[]) object; |
| } |
| else if(object instanceof Map) |
| { |
| BBEncoder encoder = new BBEncoder(1024); |
| encoder.writeMap((Map)object); |
| ByteBuffer buf = encoder.segment(); |
| int remaining = buf.remaining(); |
| byte[] data = new byte[remaining]; |
| buf.get(data); |
| return data; |
| |
| } |
| else if(object instanceof List) |
| { |
| BBEncoder encoder = new BBEncoder(1024); |
| encoder.writeList((List) object); |
| ByteBuffer buf = encoder.segment(); |
| int remaining = buf.remaining(); |
| byte[] data = new byte[remaining]; |
| buf.get(data); |
| return data; |
| } |
| else |
| { |
| ByteArrayOutputStream bytesOut = new ByteArrayOutputStream(); |
| try |
| { |
| ObjectOutputStream os = new ObjectOutputStream(bytesOut); |
| os.writeObject(object); |
| return bytesOut.toByteArray(); |
| } |
| catch (IOException e) |
| { |
| throw new ConnectionScopedRuntimeException(e); |
| } |
| } |
| } |
| |
| public static String getBodyMimeType(Object object) |
| { |
| if(object instanceof String) |
| { |
| return "text/plain"; |
| } |
| else if(object instanceof byte[]) |
| { |
| return "application/octet-stream"; |
| } |
| else if(object instanceof Map) |
| { |
| return "amqp/map"; |
| } |
| else if(object instanceof List) |
| { |
| return "amqp/list"; |
| } |
| else |
| { |
| return "application/java-object-stream"; |
| } |
| } |
| |
| } |