001/*
002 * (C) Copyright 2012 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Antoine Taillefer
018 */
019package org.nuxeo.ecm.diff.content;
020
021import java.util.regex.Matcher;
022import java.util.regex.Pattern;
023
024/**
025 * Handles HTML detection in a string.
026 *
027 * @author <a href="mailto:[email protected]">Antoine Taillefer</a>
028 * @since 5.6
029 */
030public final class HtmlGuesser {
031
032    public static final String HTML_TAG_REGEXP = "<.*?>.*?</.*?>";
033
034    /**
035     * Checks if the specified text can be considered as HTML code.
036     *
037     * @param text the text
038     * @return true, if the specified text contains at least one HTML tag.
039     */
040    public static boolean isHtml(String text) {
041        Pattern pattern = Pattern.compile(HTML_TAG_REGEXP);
042        Matcher matcher = pattern.matcher(text);
043        return matcher.find();
044    }
045}