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Liferay Source Formatter

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.source.formatter.checks;

import com.liferay.source.formatter.checks.comparator.ElementComparator;
import com.liferay.source.formatter.checks.util.SourceUtil;

import java.util.List;

import org.dom4j.Document;
import org.dom4j.Element;

/**
 * @author Hugo Huijser
 */
public class TLDElementOrderCheck extends BaseFileCheck {

	@Override
	protected String doProcess(
			String fileName, String absolutePath, String content)
		throws Exception {

		_checkElementOrder(fileName, content);

		return content;
	}

	private void _checkElementOrder(String fileName, String content)
		throws Exception {

		Document document = SourceUtil.readXML(content);

		Element rootElement = document.getRootElement();

		List tagElements = rootElement.elements("tag");

		for (Element tagElement : tagElements) {
			Element nameElement = tagElement.element("name");

			checkElementOrder(
				fileName, tagElement, "attribute", nameElement.getText(),
				new TagElementComparator());
		}

		checkElementOrder(
			fileName, rootElement, "tag", null, new TagElementComparator());
	}

	private static class TagElementComparator extends ElementComparator {

		@Override
		public String getElementName(Element element) {
			Element nameElement = element.element(getNameAttribute());

			return nameElement.getText();
		}

	}

}