/**
* Copyright 2004-2017 the original author or authors.
*
* 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 com.ibatis.common.xml;
import org.w3c.dom.Node;
/**
* A nodelet is a sort of callback or event handler that can be registered to handle an XPath event registered with the
* NodeParser.
*/
public interface Nodelet {
/**
* For a registered XPath, the NodeletParser will call the Nodelet's process method for processing.
*
* @param node
* The node represents any XML node that can be registered under an XPath supported by the NodeletParser.
* Possible nodes are:
* <ul>
* <li>Text - Use node.getNodeValue() for the text value.
* <li>Attribute - Use node.getNodeValue() for the attribute value.
* <li>Element - This is the most flexible type. You can get the node content and iterate over the node's
* child nodes if neccessary. This is useful where a single XPath registration cannot describe the complex
* structure for a given XML stanza.
* </ul>
*
*/
void process(Node node) throws Exception;
}