package com.laoer.bbscs.lucene.html;/** * Copyright 2004 The Apache Software Foundation * * 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. */import java.util.Collections;import java.util.HashSet;import java.util.Set;public final class Tags {  /**   * contains all tags for which whitespaces have to be inserted for proper tokenization   */  public static final Set WS_ELEMS = Collections.synchronizedSet(new HashSet());  static{    WS_ELEMS.add("<hr");    WS_ELEMS.add("<hr/");  // note that "<hr />" does not need to be listed explicitly    WS_ELEMS.add("<br");    WS_ELEMS.add("<br/");    WS_ELEMS.add("<p");    WS_ELEMS.add("</p");    WS_ELEMS.add("<div");    WS_ELEMS.add("</div");    WS_ELEMS.add("<td");    WS_ELEMS.add("</td");    WS_ELEMS.add("<li");    WS_ELEMS.add("</li");    WS_ELEMS.add("<q");    WS_ELEMS.add("</q");    WS_ELEMS.add("<blockquote");    WS_ELEMS.add("</blockquote");    WS_ELEMS.add("<dt");    WS_ELEMS.add("</dt");    WS_ELEMS.add("<h1");    WS_ELEMS.add("</h1");    WS_ELEMS.add("<h2");    WS_ELEMS.add("</h2");    WS_ELEMS.add("<h3");    WS_ELEMS.add("</h3");    WS_ELEMS.add("<h4");    WS_ELEMS.add("</h4");    WS_ELEMS.add("<h5");    WS_ELEMS.add("</h5");    WS_ELEMS.add("<h6");    WS_ELEMS.add("</h6");  }}