/*
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http-adoc - Asciidoctor extensions to jdk.httpserver
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Copyright (C) 2021 Ulrich Hilger
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package de.uhilger.httpserver.adoc;
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import com.sun.net.httpserver.Filter;
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import com.sun.net.httpserver.HttpExchange;
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import com.sun.net.httpserver.HttpHandler;
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import de.uhilger.httpserver.base.handler.FileHandler;
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import java.io.File;
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import java.io.IOException;
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import java.net.URI;
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import java.util.logging.Logger;
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/**
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* AdocFilter prueft, ob fuer eine
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* Asciidoctor-Quelldatei bereits eine HTML-Version vorliegt. Wenn nicht,
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* verwendet der AdocFilter den AdocActor, um eine HTML-Version zu erzeugen.
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*
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* @author Ulrich Hilger
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* @version 1, 16.06.2021
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*/
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public class AdocFilter extends Filter {
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private static final Logger logger = Logger.getLogger(AdocFilter.class.getName());
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public static final String DESCRIPTION = "Asciidoctor Filter";
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public static final String ADOC = ".adoc";
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@Override
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public void doFilter(HttpExchange exchange, Chain chain) throws IOException {
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URI uri = exchange.getRequestURI();
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String query = uri.getQuery();
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//String[] params = query.split("?&"); // hier noch Regex ermitteln
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String requestPathStr = uri.getPath();
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//logger.fine("filter: " + requestUriStr);
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if(requestPathStr.toLowerCase().endsWith(ADOC)) {
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logger.fine("filter: " + requestPathStr);
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HttpHandler handler = exchange.getHttpContext().getHandler();
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if(handler instanceof FileHandler) {
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FileHandler fileHandler = (FileHandler) handler;
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String fileBase = exchange.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString();
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AdocActor actor = new AdocActor();
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actor.processAdocFile(new File(fileBase, fileHandler.getFileName(exchange)), Boolean.FALSE.toString());
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}
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}
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chain.doFilter(exchange);
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}
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@Override
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public String description() {
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return DESCRIPTION;
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}
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}
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