/*
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neon-fm - Dateiverwaltung fuer neon
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Copyright (C) 2024 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.neon.fm;
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import com.google.gson.Gson;
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import com.sun.net.httpserver.HttpExchange;
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import de.uhilger.neon.FileServer;
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import de.uhilger.neon.HttpHelper;
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import de.uhilger.neon.HttpResponder;
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import de.uhilger.fm.Writer;
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import java.io.File;
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import java.io.IOException;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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/**
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* Abstrakte Basisklasse mit gemeinsamen Methoden fuer Dateioperationen
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*
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* @author Ulrich Hilger
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* @version 0.1, 07.11.2024
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*/
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public abstract class AbstractFileActor {
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protected File file;
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protected String fileName;
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protected HttpHelper h;
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protected String base;
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public void run(HttpExchange exchange) {
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base = exchange.getHttpContext().getAttributes().get(FileServer.ATTR_FILE_BASE).toString();
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h = new HttpHelper();
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fileName = h.getFileName(exchange);
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file = new File(base, fileName);
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}
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protected String[] dateiliste(HttpExchange exchange) throws IOException {
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String body = h.bodyLesen(exchange);
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//logger.fine("dateien: " + body);
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Gson gson = new Gson();
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return gson.fromJson(body, String[].class);
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}
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protected void speichern(HttpExchange e) throws IOException {
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String body = h.bodyLesen(e);
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if (new Writer().speichern(file, body) == 0) {
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antwort(e, HttpResponder.SC_OK, file.getAbsolutePath());
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} else {
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antwort(e, HttpResponder.SC_INTERNAL_SERVER_ERROR, "speichern fehlgeschlagen");
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}
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}
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protected void fehlerAntwort(HttpExchange exchange, Exception ex) {
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try {
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Logger.getLogger(AbstractFileActor.class.getName()).log(Level.SEVERE, ex.getMessage(), ex);
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antwort(exchange, HttpResponder.SC_NOT_FOUND, ex.getMessage());
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} catch (IOException ex1) {
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Logger.getLogger(AbstractFileActor.class.getName()).log(Level.SEVERE, ex.getMessage(), ex1);
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}
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}
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protected void antwort(HttpExchange exchange, int code, String text) throws IOException {
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new HttpResponder().antwortSenden(exchange, code, text);
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}
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protected void free() {
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file = null;
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fileName = null;
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h = null;
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base = null;
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}
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}
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