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/*
* Decorator.java July 2008
*
* Copyright (C) 2008, Niall Gallagher
*
* Licensed 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.simpleframework.xml.core;
import org.simpleframework.xml.stream.OutputNode;
/**
* The Decorator
interface is used to describe an object
* that is used to add decorations to an output node. A decoration is
* a object that adds information to the output node without any
* change to the structure of the node. Decorations can include extra
* information like comments and namespaces.
*
* @author Niall Gallagher
*
* @see org.simpleframework.xml.core.Label
*/
interface Decorator {
/**
* This method is used to decorate the provided node. This node
* can be either an XML element or an attribute. Decorations that
* can be applied to the node by invoking this method include
* things like comments and namespaces.
*
* @param node this is the node that is to be decorated by this
*/
void decorate(OutputNode node);
/**
* This method is used to decorate the provided node. This node
* can be either an XML element or an attribute. Decorations that
* can be applied to the node by invoking this method include
* things like comments and namespaces. This can also be given
* another Decorator
which is applied before this
* decorator, any common data can then be overwritten.
*
* @param node this is the node that is to be decorated by this
* @param secondary this is a secondary decorator to be applied
*/
void decorate(OutputNode node, Decorator secondary);
}