org.apache.qpid.transport.MessageTransfer Maven / Gradle / Ivy
package org.apache.qpid.transport;
/*
*
* 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.
*
*/
import java.util.ArrayList;
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.transport.codec.Decoder;
import org.apache.qpid.transport.codec.Encoder;
import java.nio.ByteBuffer;
import org.apache.qpid.util.Strings;
import org.apache.qpid.transport.network.Frame;
public final class MessageTransfer extends Method {
public static final int TYPE = 1025;
private int _bodySize;
public final int getStructType() {
return TYPE;
}
public final int getSizeWidth() {
return 0;
}
public final int getPackWidth() {
return 2;
}
public final boolean hasPayload() {
return true;
}
public final byte getEncodedTrack() {
return Frame.L4;
}
public final boolean isConnectionControl()
{
return false;
}
private short packing_flags = 0;
private String destination;
private MessageAcceptMode acceptMode;
private MessageAcquireMode acquireMode;
private Header header;
private Collection _body;
public MessageTransfer() {}
public MessageTransfer(String destination, MessageAcceptMode acceptMode, MessageAcquireMode acquireMode, Header header, java.nio.ByteBuffer body, Option ... options)
{
this(destination,
acceptMode,
acquireMode,
header,
Collections.singletonList(QpidByteBuffer.wrap(body)),
options);
}
public MessageTransfer(String destination, MessageAcceptMode acceptMode, MessageAcquireMode acquireMode, Header header, Collection body, Option ... _options) {
if(destination != null) {
setDestination(destination);
}
if(acceptMode != null) {
setAcceptMode(acceptMode);
}
if(acquireMode != null) {
setAcquireMode(acquireMode);
}
setHeader(header);
setBody(body);
for (int i=0; i < _options.length; i++) {
switch (_options[i]) {
case SYNC: this.setSync(true); break;
case BATCH: this.setBatch(true); break;
case UNRELIABLE: this.setUnreliable(true); break;
case NONE: break;
default: throw new IllegalArgumentException("invalid option: " + _options[i]);
}
}
}
public void dispatch(C context, MethodDelegate delegate) {
delegate.messageTransfer(context, this);
}
public final boolean hasDestination() {
return (packing_flags & 256) != 0;
}
public final MessageTransfer clearDestination() {
packing_flags &= ~256;
this.destination = null;
setDirty(true);
return this;
}
public final String getDestination() {
return destination;
}
public final MessageTransfer setDestination(String value) {
this.destination = value;
packing_flags |= 256;
setDirty(true);
return this;
}
public final MessageTransfer destination(String value) {
return setDestination(value);
}
public final boolean hasAcceptMode() {
return (packing_flags & 512) != 0;
}
public final MessageTransfer clearAcceptMode() {
packing_flags &= ~512;
this.acceptMode = null;
setDirty(true);
return this;
}
public final MessageAcceptMode getAcceptMode() {
return acceptMode;
}
public final MessageTransfer setAcceptMode(MessageAcceptMode value) {
this.acceptMode = value;
packing_flags |= 512;
setDirty(true);
return this;
}
public final MessageTransfer acceptMode(MessageAcceptMode value) {
return setAcceptMode(value);
}
public final boolean hasAcquireMode() {
return (packing_flags & 1024) != 0;
}
public final MessageTransfer clearAcquireMode() {
packing_flags &= ~1024;
this.acquireMode = null;
setDirty(true);
return this;
}
public final MessageAcquireMode getAcquireMode() {
return acquireMode;
}
public final MessageTransfer setAcquireMode(MessageAcquireMode value) {
this.acquireMode = value;
packing_flags |= 1024;
setDirty(true);
return this;
}
public final MessageTransfer acquireMode(MessageAcquireMode value) {
return setAcquireMode(value);
}
public final Header getHeader() {
return this.header;
}
public final void setHeader(Header header) {
this.header = header;
}
public final MessageTransfer header(Header header) {
setHeader(header);
return this;
}
@Override
public final Collection getBody() {
if (this._body == null)
{
return null;
}
else
{
return Collections.unmodifiableCollection(_body);
}
}
@Override
public final void setBody(Collection body)
{
if (body == null)
{
_bodySize = 0;
_body = null;
}
else
{
_body = new ArrayList<>(body.size());
int size = 0;
for (QpidByteBuffer buf : body)
{
size += buf.remaining();
_body.add(buf.duplicate());
}
_bodySize = size;
}
}
@Override
public int getBodySize()
{
return _bodySize;
}
public final MessageTransfer body(List body)
{
setBody(body);
return this;
}
public final byte[] getBodyBytes() {
Collection body = getBody();
byte[] bytes = new byte[getBodySize()];
for(QpidByteBuffer buf : body)
{
buf.duplicate().get(bytes);
}
return bytes;
}
public final void setBody(byte[] body)
{
setBody(Collections.singletonList(QpidByteBuffer.wrap(body)));
}
public final String getBodyString() {
return Strings.fromUTF8(getBodyBytes());
}
public final void setBody(String body) {
setBody(Strings.toUTF8(body));
}
public void write(Encoder enc)
{
enc.writeUint16(packing_flags);
if ((packing_flags & 256) != 0)
{
enc.writeStr8(this.destination);
}
if ((packing_flags & 512) != 0)
{
enc.writeUint8(this.acceptMode.getValue());
}
if ((packing_flags & 1024) != 0)
{
enc.writeUint8(this.acquireMode.getValue());
}
}
public void read(Decoder dec)
{
packing_flags = (short) dec.readUint16();
if ((packing_flags & 256) != 0)
{
this.destination = dec.readStr8();
}
if ((packing_flags & 512) != 0)
{
this.acceptMode = MessageAcceptMode.get(dec.readUint8());
}
if ((packing_flags & 1024) != 0)
{
this.acquireMode = MessageAcquireMode.get(dec.readUint8());
}
}
public Map getFields()
{
Map result = new LinkedHashMap();
if ((packing_flags & 256) != 0)
{
result.put("destination", getDestination());
}
if ((packing_flags & 512) != 0)
{
result.put("acceptMode", getAcceptMode());
}
if ((packing_flags & 1024) != 0)
{
result.put("acquireMode", getAcquireMode());
}
return result;
}
public void dispose()
{
if (_body != null)
{
for (QpidByteBuffer buf : _body)
{
buf.dispose();
}
}
}
}