66 lines
2.3 KiB
Java
66 lines
2.3 KiB
Java
package ctbrec.docs;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.util.List;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.google.common.base.Objects;
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import com.vladsch.flexmark.html.HtmlRenderer;
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import com.vladsch.flexmark.parser.Parser;
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import com.vladsch.flexmark.util.ast.Node;
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import com.vladsch.flexmark.util.options.MutableDataSet;
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public class MarkdownServlet extends AbstractDocServlet {
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private static final transient Logger LOG = LoggerFactory.getLogger(MarkdownServlet.class);
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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String path = req.getRequestURI();
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LOG.trace("Path: [{}]", path);
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try {
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if(Objects.equal(path, "/docs/index.md")) {
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listPages(resp);
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} else {
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String md = loadMarkdown(path);
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String html = markdownToHtml(md);
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resp.setStatus(HttpServletResponse.SC_OK);
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resp.getWriter().println(getHeader());
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resp.getWriter().println(html);
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resp.getWriter().println(getFooter());
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}
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} catch (FileNotFoundException e) {
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error(resp, HttpServletResponse.SC_NOT_FOUND, "");
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}
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}
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private void listPages(HttpServletResponse resp) throws IOException {
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List<String> pages = getPages();
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String html = "<ul>";
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for (String page : pages) {
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html += "<li><a href=\"/docs/" + page + "\">" + page + "</a></li>";
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}
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html += "</ul>";
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resp.setStatus(HttpServletResponse.SC_OK);
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resp.getWriter().println(getHeader());
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resp.getWriter().println(html);
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resp.getWriter().println(getFooter());
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}
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private String markdownToHtml(String markdown) {
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MutableDataSet options = new MutableDataSet();
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Parser parser = Parser.builder(options).build();
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HtmlRenderer renderer = HtmlRenderer.builder(options).build();
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Node document = parser.parse(markdown);
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String html = renderer.render(document);
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return html;
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}
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}
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