1 /* 2 * Copyright 2007 the original author or authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package org.springframework.xml.xpath; 18 19 import org.w3c.dom.DOMException; 20 import org.w3c.dom.Node; 21 22 /** 23 * An interface used by {@link XPathOperations} implementations for processing {@link Node} objects on a per-node basis. 24 * Implementations of this interface perform the actual work of processing nodes, but don't need to worry about 25 * exception handling. 26 * <p/> 27 * Consider using a {@link NodeMapper} instead if you need to map exactly result object per node, assembling them in a 28 * List. 29 * 30 * @author Arjen Poutsma 31 * @see XPathOperations#evaluate(String,javax.xml.transform.Source,NodeCallbackHandler) 32 * @since 1.0.0 33 */ 34 public interface NodeCallbackHandler { 35 36 /** 37 * Processed a single node. 38 * 39 * @param node the node to map 40 * @throws DOMException in case of DOM errors 41 */ 42 void processNode(Node node) throws DOMException; 43 44 }