com.rabbitmq.client.impl.ContentHeaderPropertyWriter Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of amqp-client Show documentation
Show all versions of amqp-client Show documentation
The RabbitMQ Java client library allows Java applications to interface with RabbitMQ.
// The contents of this file are subject to the Mozilla Public License
// Version 1.1 (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.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
// the License for the specific language governing rights and
// limitations under the License.
//
// The Original Code is RabbitMQ.
//
// The Initial Developer of the Original Code is GoPivotal, Inc.
// Copyright (c) 2007-2014 GoPivotal, Inc. All rights reserved.
//
package com.rabbitmq.client.impl;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Date;
import java.util.Map;
import com.rabbitmq.client.ContentHeader;
import com.rabbitmq.client.LongString;
/**
* Generates an AMQP wire-protocol packet from a {@link ContentHeader}.
* Methods on this object are usually called from autogenerated code.
*/
public class ContentHeaderPropertyWriter {
/** Accumulates our output */
private final ValueWriter out;
/** Current flags word being accumulated */
public int flagWord;
/** Position within current flags word */
public int bitCount;
/**
* Constructs a fresh ContentHeaderPropertyWriter.
*/
public ContentHeaderPropertyWriter(DataOutputStream out) {
this.out = new ValueWriter(out);
this.flagWord = 0;
this.bitCount = 0;
}
private void emitFlagWord(boolean continuationBit) throws IOException {
out.writeShort(continuationBit ? (flagWord | 1) : flagWord);
flagWord = 0;
bitCount = 0;
}
public void writePresence(boolean present) throws IOException {
if (bitCount == 15) {
emitFlagWord(true);
}
if (present) {
int bit = 15 - bitCount;
flagWord = flagWord | (1 << bit);
}
bitCount++;
}
public void finishPresence() throws IOException {
emitFlagWord(false);
}
public void writeShortstr(String str) throws IOException {
out.writeShortstr(str);
}
public void writeLongstr(String str) throws IOException {
out.writeLongstr(str);
}
public void writeLongstr(LongString str) throws IOException {
out.writeLongstr(str);
}
public void writeShort(Integer s) throws IOException {
out.writeShort(s);
}
public void writeLong(Integer l) throws IOException {
out.writeLong(l);
}
public void writeLonglong(Long ll) throws IOException {
out.writeLonglong(ll);
}
public void writeTable(Map table) throws IOException {
out.writeTable(table);
}
public void writeOctet(Integer octet) throws IOException {
out.writeOctet(octet);
}
public void writeOctet(int octet) throws IOException {
out.writeOctet(octet);
}
public void writeTimestamp(Date timestamp) throws IOException {
out.writeTimestamp(timestamp);
}
}