    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}