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Jodd Lagarto is fast and versatile all purpose HTML parser. Includes Jerry and CSSelly.

There is a newer version: 6.0.6

// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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package jodd.lagarto.dom;

import jodd.util.CharSequenceUtil;

/**
 * Rules for void tags.
 */
public class HtmlVoidRules {

	/**
	 * Default void tags.
	 * http://dev.w3.org/html5/spec/Overview.html#void-elements
	 */
	private static final String[] HTML5_VOID_TAGS = {
			"area", "base", "br", "col", "embed", "hr", "img", "input",
			"keygen", "link", "menuitem", "meta", "param", "source",
			"track", "wbr"};

	/**
	 * Returns true if tag name is a void tag.
	 */
	public boolean isVoidTag(final CharSequence tagName) {
		for (String html5VoidTag : HTML5_VOID_TAGS) {
			if (CharSequenceUtil.equalsToLowercase(tagName, html5VoidTag)) {
				return true;
			}
		}
		return false;
	}

}