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| | | */
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| | | package com.gitblit.utils;
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| | |
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| | | import static org.pegdown.Extensions.ALL;
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| | | import static org.pegdown.Extensions.SMARTYPANTS;
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| | |
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| | | import java.io.IOException;
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| | | import java.io.Reader;
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| | | import java.io.StringReader;
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| | | import java.io.StringWriter;
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| | |
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| | | import org.slf4j.LoggerFactory;
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| | | import org.tautua.markdownpapers.Markdown;
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| | | import org.tautua.markdownpapers.parser.ParseException;
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| | | import org.apache.commons.io.IOUtils;
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| | | import org.pegdown.LinkRenderer;
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| | | import org.pegdown.PegDownProcessor;
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| | |
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| | | /**
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| | | * Utility methods for transforming raw markdown text to html.
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| | | * |
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| | | *
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| | | * @author James Moger
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| | | * |
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| | | *
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| | | */
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| | | public class MarkdownUtils {
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| | |
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| | | /**
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| | | * Returns the html version of the plain source text.
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| | | *
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| | | * @param text
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| | | * @return html version of plain text
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| | | * @throws java.text.ParseException
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| | | */
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| | | public static String transformPlainText(String text) {
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| | | // url auto-linking
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| | | text = text.replaceAll("((http|https)://[0-9A-Za-z-_=\\?\\.\\$#&/]*)", "<a href=\"$1\">$1</a>");
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| | | String html = "<pre>" + text + "</pre>";
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| | | return html;
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| | | }
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| | |
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| | |
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| | | /**
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| | | * Returns the html version of the markdown source text.
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| | | * |
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| | | *
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| | | * @param markdown
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| | | * @return html version of markdown text
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| | | * @throws java.text.ParseException
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| | | */
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| | | public static String transformMarkdown(String markdown) throws java.text.ParseException {
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| | | try {
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| | | StringReader reader = new StringReader(markdown);
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| | | String html = transformMarkdown(reader);
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| | | reader.close();
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| | | return html;
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| | | } catch (IllegalArgumentException e) {
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| | | throw new java.text.ParseException(e.getMessage(), 0);
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| | | } catch (NullPointerException p) {
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| | | throw new java.text.ParseException("Markdown string is null!", 0);
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| | | }
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| | | public static String transformMarkdown(String markdown) {
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| | | return transformMarkdown(markdown, null);
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| | | }
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| | |
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| | | /**
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| | | * Returns the html version of the markdown source text.
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| | | *
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| | | * @param markdown
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| | | * @return html version of markdown text
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| | | * @throws java.text.ParseException
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| | | */
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| | | public static String transformMarkdown(String markdown, LinkRenderer linkRenderer) {
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| | | PegDownProcessor pd = new PegDownProcessor(ALL & ~SMARTYPANTS);
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| | | String html = pd.markdownToHtml(markdown, linkRenderer == null ? new LinkRenderer() : linkRenderer);
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| | | return html;
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| | | }
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| | |
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| | | /**
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| | | * Returns the html version of the markdown source reader. The reader is
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| | | * closed regardless of success or failure.
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| | | * |
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| | | *
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| | | * @param markdownReader
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| | | * @return html version of the markdown text
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| | | * @throws java.text.ParseException
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| | | */
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| | | public static String transformMarkdown(Reader markdownReader) throws java.text.ParseException {
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| | | public static String transformMarkdown(Reader markdownReader) throws IOException {
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| | | // Read raw markdown content and transform it to html
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| | | StringWriter writer = new StringWriter();
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| | | try {
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| | | Markdown md = new Markdown();
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| | | md.transform(markdownReader, writer);
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| | | return writer.toString().trim();
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| | | } catch (StringIndexOutOfBoundsException e) {
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| | | LoggerFactory.getLogger(MarkdownUtils.class).error("MarkdownPapers failed to parse Markdown!", e);
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| | | throw new java.text.ParseException(e.getMessage(), 0);
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| | | } catch (ParseException p) {
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| | | LoggerFactory.getLogger(MarkdownUtils.class).error("MarkdownPapers failed to parse Markdown!", p);
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| | | throw new java.text.ParseException(p.getMessage(), 0);
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| | | } catch (Exception e) {
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| | | LoggerFactory.getLogger(MarkdownUtils.class).error("MarkdownPapers failed to parse Markdown!", e);
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| | | throw new java.text.ParseException(e.getMessage(), 0);
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| | | IOUtils.copy(markdownReader, writer);
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| | | String markdown = writer.toString();
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| | | return transformMarkdown(markdown);
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| | | } finally {
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| | | try {
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| | | writer.close();
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