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 }