org.apache.qpid.proton.codec.impl.ListElement Maven / Gradle / Ivy
/*
*
* 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.proton.codec.impl;
import java.nio.ByteBuffer;
import java.util.*;
import org.apache.qpid.proton.codec.Data;
class ListElement extends AbstractElement>
{
private Element _first;
ListElement(Element parent, Element prev)
{
super(parent, prev);
}
public int count()
{
int count = 0;
Element elt = _first;
while(elt != null)
{
count++;
elt = elt.next();
}
return count;
}
@Override
public int size()
{
int count = 0;
int size = 0;
Element elt = _first;
while(elt != null)
{
count++;
size += elt.size();
elt = elt.next();
}
if(isElementOfArray())
{
ArrayElement parent = (ArrayElement) parent();
if(parent.constructorType() == ArrayElement.TINY)
{
if(count != 0)
{
parent.setConstructorType(ArrayElement.ConstructorType.SMALL);
size += 2;
}
}
else if(parent.constructorType() == ArrayElement.SMALL)
{
if(count > 255 || size > 254)
{
parent.setConstructorType(ArrayElement.ConstructorType.LARGE);
size += 8;
}
else
{
size += 2;
}
}
else
{
size += 8;
}
}
else
{
if(count == 0)
{
size = 1;
}
else if(count <= 255 && size <= 254)
{
size += 3;
}
else
{
size+=9;
}
}
return size;
}
@Override
public List