/*
  http-adoc - Asciidoctor extensions to jdk.httpserver
  Copyright (C) 2021  Ulrich Hilger

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU Affero General Public License as
  published by the Free Software Foundation, either version 3 of the
  License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU Affero General Public License for more details.

  You should have received a copy of the GNU Affero General Public License
  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package de.uhilger.httpserver.adoc;

import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import de.uhilger.httpserver.base.handler.FileHandler;
import java.io.IOException;
import java.net.URI;
import java.util.logging.Logger;

/**
 * Der AdocHandler liefert die HTML-Version einer Asciidoc-Quelldatei aus.
 * 
 * Dazu muss ein AdocHandler mit dem PatternDelegator an einen Pfad 
 * geknuepft werden, der Dateien mit der Endung adoc bezeichnet.
 * 
 * Ein dafuer geeigneter regulaerer Ausdruck ist z.B. <br />
 * <pre>
 * .+\\.adoc
 * </pre>
 * 
 * Zum Ausliefern der HTML-Version delegiert der AdocHandler an eine 
 * Instanz des AdocActors.
 * 
 * Zum Erzeugen der HTML-Version muss ein AdocFilter mit dem HttpContext 
 * verbunden sein, an den der AdocHandler gebunden ist.
 * 
 * Benoetigt das Attribut
 * FileHandler.ATTR_FILE_BASE
 * 
 * @author Ulrich Hilger
 * @version 1, 16.06.2021
 */
public class AdocHandler implements HttpHandler {
        
  private static final Logger logger = Logger.getLogger(AdocHandler.class.getName());        
  
  @Override
  public void handle(HttpExchange e) throws IOException {
    URI uri = e.getRequestURI();
    logger.fine(uri.toString());
    
    String ctxPath = e.getHttpContext().getPath();
    String uriPath = e.getRequestURI().getPath();
    String fName = uriPath.substring(ctxPath.length());
    
    AdocActor actor = new AdocActor();
    actor.handle(e, e.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString(), fName);
  }
  
  
  
}