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/*
* Copyright 2011 gitblit.com.
*
* 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.
*/
package com.gitblit.utils;
import static org.pegdown.Extensions.ALL;
import java.io.IOException;
import java.io.Reader;
import java.io.StringWriter;
import org.apache.commons.io.IOUtils;
import org.pegdown.PegDownProcessor;
/**
* Utility methods for transforming raw markdown text to html.
*
* @author James Moger
*
*/
public class MarkdownUtils {
/**
* Returns the html version of the markdown source text.
*
* @param markdown
* @return html version of markdown text
* @throws java.text.ParseException
*/
public static String transformMarkdown(String markdown) {
PegDownProcessor pd = new PegDownProcessor(ALL);
String html = pd.markdownToHtml(markdown);
return html;
}
/**
* Returns the html version of the markdown source reader. The reader is
* closed regardless of success or failure.
*
* @param markdownReader
* @return html version of the markdown text
* @throws java.text.ParseException
*/
public static String transformMarkdown(Reader markdownReader) throws IOException {
// Read raw markdown content and transform it to html
StringWriter writer = new StringWriter();
try {
IOUtils.copy(markdownReader, writer);
String markdown = writer.toString();
return transformMarkdown(markdown);
} finally {
try {
writer.close();
} catch (IOException e) {
// IGNORE
}
}
}
}
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