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package fi.iki.elonen;
import org.pegdown.PegDownProcessor;
import java.io.*;
import java.util.Map;
import static fi.iki.elonen.NanoHTTPD.MIME_HTML;
import static fi.iki.elonen.NanoHTTPD.Response.Status.OK;
/**
* @author Paul S. Hawke (paul.hawke@gmail.com)
* On: 9/13/13 at 4:03 AM
*/
public class MarkdownWebServerPlugin implements WebServerPlugin {
private final PegDownProcessor processor;
public MarkdownWebServerPlugin() {
processor = new PegDownProcessor();
}
@Override public void initialize(Map<String, String> commandLineOptions) {
}
@Override public boolean canServeUri(String uri, File rootDir) {
File f = new File(rootDir, uri);
return f.exists();
}
@Override
public NanoHTTPD.Response serveFile(String uri, Map<String, String> headers, NanoHTTPD.IHTTPSession session, File file, String mimeType) {
String markdownSource = readSource(file);
return markdownSource == null ? null :
new NanoHTTPD.Response(OK, MIME_HTML, processor.markdownToHtml(markdownSource));
}
private String readSource(File file) {
FileReader fileReader = null;
BufferedReader reader = null;
try {
fileReader = new FileReader(file);
reader = new BufferedReader(fileReader);
String line = null;
StringBuilder sb = new StringBuilder();
do {
line = reader.readLine();
if (line != null) {
sb.append(line).append("\n");
}
} while (line != null);
reader.close();
return sb.toString();
} catch (Exception e) {
e.printStackTrace();
return null;
} finally {
try {
if (fileReader != null) {
fileReader.close();
}
if (reader != null) {
reader.close();
}
} catch (IOException ignored) {}
}
}
}
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