@Override
public String toXML() {
if ((items == null) || (items.size() == 0)) {
return super.toXML();
} else {
StringBuilder builder = new StringBuilder("<");
builder.append(getElementName());
builder.append(" node='");
builder.append(getNode());
if (notify != null) {
builder.append("' ");
builder.append(type.getElementAttribute());
builder.append("='");
builder.append(notify.equals(Boolean.TRUE) ? 1 : 0);
builder.append("'>");
} else {
builder.append("'>");
for (PacketExtension item : items) {
builder.append(item.toXML());
}
}
builder.append("</");
builder.append(getElementName());
builder.append(">");
return builder.toString();
}
}
/**
* Construct an instance with a list representing items that have been published or deleted.
*
* <p>Valid scenarios are:
* <li>Request items from node - itemsType = {@link ItemsElementType#items}, items = list of
* {@link Item} and an optional value for the <b>max_items</b> attribute.
* <li>Request to delete items - itemsType = {@link ItemsElementType#retract}, items = list of
* {@link Item} containing only id's and an optional value for the <b>notify</b> attribute.
* <li>Items published event - itemsType = {@link ItemsElementType#items}, items = list of {@link
* Item} and attributeValue = <code>null</code>
* <li>Items deleted event - itemsType = {@link ItemsElementType#items}, items = list of {@link
* RetractItem} and attributeValue = <code>null</code>
*
* @param itemsType Type of representation
* @param nodeId The node to which the items are being sent or deleted
* @param items The list of {@link Item} or {@link RetractItem}
* @param attributeValue The value of the <b>max_items</b>
*/
public ItemsExtension(
ItemsElementType itemsType, String nodeId, List<? extends PacketExtension> items) {
super(itemsType.getNodeElement(), nodeId);
type = itemsType;
this.items = items;
}
