001/*
002    Licensed to the Apache Software Foundation (ASF) under one
003    or more contributor license agreements.  See the NOTICE file
004    distributed with this work for additional information
005    regarding copyright ownership.  The ASF licenses this file
006    to you under the Apache License, Version 2.0 (the
007    "License"); you may not use this file except in compliance
008    with the License.  You may obtain a copy of the License at
009
010       http://www.apache.org/licenses/LICENSE-2.0
011
012    Unless required by applicable law or agreed to in writing,
013    software distributed under the License is distributed on an
014    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015    KIND, either express or implied.  See the License for the
016    specific language governing permissions and limitations
017    under the License.
018 */
019package org.apache.wiki.markdown.extensions.jspwikilinks.postprocessor;
020
021import com.vladsch.flexmark.ast.HtmlInline;
022import com.vladsch.flexmark.util.sequence.BasedSequence;
023import org.apache.wiki.api.core.Context;
024import org.apache.wiki.parser.MarkupParser;
025import org.apache.wiki.util.TextUtil;
026
027
028/**
029 * <p>Regular {@link HtmlInline} get escaped depending on the value of the {@code MarkupParser.PROP_ALLOWHTML} property.</p>
030 * <p>However, wikilink post processors inject additional HtmlInline that must not be escaped. Subclassing {@link HtmlInline}
031 * allows us to register a custom {@code NodeRenderingHandler} at {@code JSPWikiLinkRenderer} to bypass this limitation.</p>
032 */
033public class WikiHtmlInline extends HtmlInline {
034
035    private WikiHtmlInline( final BasedSequence chars ) {
036        super( chars );
037    }
038
039    public static WikiHtmlInline of( final String str ) {
040        return new WikiHtmlInline( BasedSequence.of( str ) );
041    }
042
043    public static WikiHtmlInline of( final String str, final Context context ) {
044        final boolean allowHtml = context.getBooleanWikiProperty( MarkupParser.PROP_ALLOWHTML, false );
045        if( allowHtml ) {
046            return WikiHtmlInline.of( str );
047        } else {
048            return new WikiHtmlInline( BasedSequence.of( TextUtil.escapeHTMLEntities( str ) ) );
049        }
050    }
051
052}