io.adobe.udp.markdownimporter.mappings.MarkdownHeadlineMapper Maven / Gradle / Ivy

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Take a directory of Markdown files and turn them into a content package for Adobe Experience Manager that contains one page for every Markdown file, with proper components for every paragraph in the Markdown

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/**
 * Copyright 2017 Adobe Systems Incorporated. All rights reserved.
 * This file is licensed to you 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
 */
package io.adobe.udp.markdownimporter.mappings;

import io.adobe.udp.markdownimporter.MarkdownPageData;
import io.adobe.udp.markdownimporter.utils.Constants;

import java.util.HashMap;

import javax.jcr.RepositoryException;

import org.apache.jackrabbit.JcrConstants;
import org.jsoup.Jsoup;

import com.vladsch.flexmark.ast.Heading;
import com.vladsch.flexmark.ast.Link;
import com.vladsch.flexmark.ast.Node;
import com.vladsch.flexmark.ext.anchorlink.AnchorLink;
import com.vladsch.flexmark.html.HtmlRenderer;
import com.vladsch.flexmark.parser.Parser;

public class MarkdownHeadlineMapper implements MarkdownNodeMapper {

	public Node mapToComponen(Node markdownNode, MarkdownPageData pageData, Parser parser, HtmlRenderer renderer) throws RepositoryException {
		HashMap component = new HashMap();
		String content = getHeadlineContent(markdownNode, renderer, parser);
		component.put(JcrConstants.JCR_PRIMARYTYPE, JcrConstants.NT_UNSTRUCTURED);
		component.put("jcr:title", content);
		component.put("type", "h" + ((Heading) markdownNode).getLevel() );
		component.put("anchorId", ((Heading) markdownNode).getAnchorRefId());
		component.put(Constants.SLING_RESOURCE_TYPE, "udp/components/content/title");
		pageData.getComponents().add(component);
		return markdownNode.getNext();
	}

	private String getHeadlineContent(Node markdownNode, HtmlRenderer renderer, Parser parser) {
		Node anchor = markdownNode.getFirstChild();
		if(anchor != null && anchor instanceof AnchorLink) {
			Node link = anchor.getFirstChild();
			if(link != null && link instanceof Link) {
				String html = renderer.render(parser.parse(link.getChars()));
				return Jsoup.parse(html).select("a").get(0).outerHtml();
			}
		}
		return ((Heading) markdownNode).getText().toString();
	}

}