/*
* Copyright 2012 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 org.gradle.build.docs.dsl.docbook;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import java.util.ArrayList;
import java.util.List;
public class ModelBuilderSupport {
protected List<Element> children(Element element, String childName) {
List<Element> matches = new ArrayList<Element>();
NodeList childNodes = element.getChildNodes();
for (int i = 0; i < childNodes.getLength(); i++) {
Node node = childNodes.item(i);
if (node instanceof Element) {
Element childElement = (Element) node;
if (childElement.getTagName().equals(childName)) {
matches.add(childElement);
}
}
}
return matches;
}
protected Element getChild(Element element, String childName) {
Element child = findChild(element, childName);
if (child != null) {
return child;
}
throw new RuntimeException(String.format("No <%s> element found in <%s>", childName, element.getTagName()));
}
protected Element findChild(Element element, String childName) {
NodeList childNodes = element.getChildNodes();
for (int i = 0; i < childNodes.getLength(); i++) {
Node node = childNodes.item(i);
if (node instanceof Element) {
Element childElement = (Element) node;
if (childElement.getTagName().equals(childName)) {
return childElement;
}
}
}
return null;
}
}