| /* |
| * |
| * 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.message; |
| |
| import org.apache.qpid.AMQException; |
| import org.apache.qpid.framing.AMQShortString; |
| import org.apache.qpid.framing.BasicContentHeaderProperties; |
| import org.apache.qpid.framing.ContentHeaderBody; |
| import org.apache.qpid.framing.EncodingUtils; |
| import org.apache.qpid.framing.FieldTable; |
| import org.apache.qpid.framing.abstraction.MessagePublishInfo; |
| import org.apache.qpid.server.store.MessageMetaDataType; |
| import org.apache.qpid.server.store.StorableMessageMetaData; |
| import org.apache.qpid.server.util.ByteBufferOutputStream; |
| import org.apache.qpid.util.ByteBufferInputStream; |
| |
| import java.io.DataInputStream; |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Set; |
| |
| /** |
| * Encapsulates a publish body and a content header. In the context of the message store these are treated as a |
| * single unit. |
| */ |
| public class MessageMetaData implements StorableMessageMetaData |
| { |
| private MessagePublishInfo _messagePublishInfo; |
| |
| private ContentHeaderBody _contentHeaderBody; |
| |
| private int _contentChunkCount; |
| |
| private long _arrivalTime; |
| private static final byte MANDATORY_FLAG = 1; |
| private static final byte IMMEDIATE_FLAG = 2; |
| public static final MessageMetaDataType.Factory<MessageMetaData> FACTORY = new MetaDataFactory(); |
| |
| public MessageMetaData(MessagePublishInfo publishBody, ContentHeaderBody contentHeaderBody, int contentChunkCount) |
| { |
| this(publishBody,contentHeaderBody, contentChunkCount, System.currentTimeMillis()); |
| } |
| |
| public MessageMetaData(MessagePublishInfo publishBody, ContentHeaderBody contentHeaderBody, int contentChunkCount, long arrivalTime) |
| { |
| _contentHeaderBody = contentHeaderBody; |
| _messagePublishInfo = publishBody; |
| _contentChunkCount = contentChunkCount; |
| _arrivalTime = arrivalTime; |
| } |
| |
| public int getContentChunkCount() |
| { |
| return _contentChunkCount; |
| } |
| |
| public void setContentChunkCount(int contentChunkCount) |
| { |
| _contentChunkCount = contentChunkCount; |
| } |
| |
| public ContentHeaderBody getContentHeaderBody() |
| { |
| return _contentHeaderBody; |
| } |
| |
| public void setContentHeaderBody(ContentHeaderBody contentHeaderBody) |
| { |
| _contentHeaderBody = contentHeaderBody; |
| } |
| |
| public MessagePublishInfo getMessagePublishInfo() |
| { |
| return _messagePublishInfo; |
| } |
| |
| public void setMessagePublishInfo(MessagePublishInfo messagePublishInfo) |
| { |
| _messagePublishInfo = messagePublishInfo; |
| } |
| |
| public long getArrivalTime() |
| { |
| return _arrivalTime; |
| } |
| |
| public void setArrivalTime(long arrivalTime) |
| { |
| _arrivalTime = arrivalTime; |
| } |
| |
| public MessageMetaDataType getType() |
| { |
| return MessageMetaDataType.META_DATA_0_8; |
| } |
| |
| public int getStorableSize() |
| { |
| int size = _contentHeaderBody.getSize(); |
| size += 4; |
| size += EncodingUtils.encodedShortStringLength(_messagePublishInfo.getExchange()); |
| size += EncodingUtils.encodedShortStringLength(_messagePublishInfo.getRoutingKey()); |
| size += 1; // flags for immediate/mandatory |
| size += EncodingUtils.encodedLongLength(); |
| |
| return size; |
| } |
| |
| |
| public int writeToBuffer(int offset, ByteBuffer dest) |
| { |
| int oldPosition = dest.position(); |
| try |
| { |
| |
| DataOutputStream dataOutputStream = new DataOutputStream(new ByteBufferOutputStream(dest)); |
| EncodingUtils.writeInteger(dataOutputStream, _contentHeaderBody.getSize()); |
| _contentHeaderBody.writePayload(dataOutputStream); |
| EncodingUtils.writeShortStringBytes(dataOutputStream, _messagePublishInfo.getExchange()); |
| EncodingUtils.writeShortStringBytes(dataOutputStream, _messagePublishInfo.getRoutingKey()); |
| byte flags = 0; |
| if(_messagePublishInfo.isMandatory()) |
| { |
| flags |= MANDATORY_FLAG; |
| } |
| if(_messagePublishInfo.isImmediate()) |
| { |
| flags |= IMMEDIATE_FLAG; |
| } |
| dest.put(flags); |
| dest.putLong(_arrivalTime); |
| |
| } |
| catch (IOException e) |
| { |
| // This shouldn't happen as we are not actually using anything that can throw an IO Exception |
| throw new RuntimeException(e); |
| } |
| |
| return dest.position()-oldPosition; |
| } |
| |
| public int getContentSize() |
| { |
| return (int) _contentHeaderBody.getBodySize(); |
| } |
| |
| public boolean isPersistent() |
| { |
| BasicContentHeaderProperties properties = (BasicContentHeaderProperties) (_contentHeaderBody.getProperties()); |
| return properties.getDeliveryMode() == BasicContentHeaderProperties.PERSISTENT; |
| } |
| |
| private static class MetaDataFactory implements MessageMetaDataType.Factory |
| { |
| |
| |
| public MessageMetaData createMetaData(ByteBuffer buf) |
| { |
| try |
| { |
| ByteBufferInputStream bbis = new ByteBufferInputStream(buf); |
| DataInputStream dais = new DataInputStream(bbis); |
| int size = EncodingUtils.readInteger(dais); |
| ContentHeaderBody chb = ContentHeaderBody.createFromBuffer(dais, size); |
| final AMQShortString exchange = EncodingUtils.readAMQShortString(dais); |
| final AMQShortString routingKey = EncodingUtils.readAMQShortString(dais); |
| |
| final byte flags = EncodingUtils.readByte(dais); |
| long arrivalTime = EncodingUtils.readLong(dais); |
| |
| MessagePublishInfo publishBody = |
| new MessagePublishInfo() |
| { |
| |
| public AMQShortString getExchange() |
| { |
| return exchange; |
| } |
| |
| public void setExchange(AMQShortString exchange) |
| { |
| } |
| |
| public boolean isImmediate() |
| { |
| return (flags & IMMEDIATE_FLAG) != 0; |
| } |
| |
| public boolean isMandatory() |
| { |
| return (flags & MANDATORY_FLAG) != 0; |
| } |
| |
| public AMQShortString getRoutingKey() |
| { |
| return routingKey; |
| } |
| }; |
| return new MessageMetaData(publishBody, chb, 0, arrivalTime); |
| } |
| catch (AMQException e) |
| { |
| throw new RuntimeException(e); |
| } |
| catch (IOException e) |
| { |
| throw new RuntimeException(e); |
| } |
| |
| } |
| }; |
| |
| public AMQMessageHeader getMessageHeader() |
| { |
| return new MessageHeaderAdapter(); |
| } |
| |
| private final class MessageHeaderAdapter implements AMQMessageHeader |
| { |
| private BasicContentHeaderProperties getProperties() |
| { |
| return (BasicContentHeaderProperties) getContentHeaderBody().getProperties(); |
| } |
| |
| public String getCorrelationId() |
| { |
| return getProperties().getCorrelationIdAsString(); |
| } |
| |
| public long getExpiration() |
| { |
| return getProperties().getExpiration(); |
| } |
| |
| public String getMessageId() |
| { |
| return getProperties().getMessageIdAsString(); |
| } |
| |
| public String getMimeType() |
| { |
| return getProperties().getContentTypeAsString(); |
| } |
| |
| public String getEncoding() |
| { |
| return getProperties().getEncodingAsString(); |
| } |
| |
| public byte getPriority() |
| { |
| return getProperties().getPriority(); |
| } |
| |
| public long getTimestamp() |
| { |
| return getProperties().getTimestamp(); |
| } |
| |
| public String getType() |
| { |
| return getProperties().getTypeAsString(); |
| } |
| |
| public String getReplyTo() |
| { |
| return getProperties().getReplyToAsString(); |
| } |
| |
| public String getReplyToExchange() |
| { |
| // TODO |
| return getReplyTo(); |
| } |
| |
| public String getReplyToRoutingKey() |
| { |
| // TODO |
| return getReplyTo(); |
| } |
| |
| public Object getHeader(String name) |
| { |
| FieldTable ft = getProperties().getHeaders(); |
| return ft.get(name); |
| } |
| |
| public boolean containsHeaders(Set<String> names) |
| { |
| FieldTable ft = getProperties().getHeaders(); |
| for(String name : names) |
| { |
| if(!ft.containsKey(name)) |
| { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| public boolean containsHeader(String name) |
| { |
| FieldTable ft = getProperties().getHeaders(); |
| return ft.containsKey(name); |
| } |
| |
| |
| |
| } |
| } |