Mega Code Archive
Get the first element child
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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
import java.io.OutputStream;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Node;
/**
* Few simple utils to read DOM. This is originally from the Jakarta Commons
* Modeler.
*
* @author Costin Manolache
*/
public class Utils {
/**
* Get the first element child.
*
* @param parent lookup direct childs
* @param name name of the element. If null return the first element.
*/
public static Node getChild(Node parent, String name) {
if (parent == null) {
return null;
}
Node first = parent.getFirstChild();
if (first == null) {
return null;
}
for (Node node = first; node != null; node = node.getNextSibling()) {
// System.out.println("getNode: " + name + " " +
// node.getNodeName());
if (node.getNodeType() != Node.ELEMENT_NODE) {
continue;
}
if (name != null && name.equals(node.getNodeName())) {
return node;
}
if (name == null) {
return node;
}
}
return null;
}
}
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