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/* |
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Mediazentrale - Personal Media Center |
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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.mediaz; |
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import com.sun.net.httpserver.HttpServer; |
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import de.uhilger.mediaz.api.FileHandler; |
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import de.uhilger.mediaz.api.ListFileHandler; |
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import de.uhilger.mediaz.api.ListHandler; |
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import de.uhilger.mediaz.api.MediaSteuerung; |
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import de.uhilger.mediaz.api.StopServerHandler; |
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import de.uhilger.mediaz.api.StorageHandler; |
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import de.uhilger.mediaz.store.FileStorage; |
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import de.uhilger.mediaz.entity.Ablageort; |
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import java.io.File; |
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import java.io.IOException; |
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import java.util.logging.Logger; |
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import java.net.InetSocketAddress; |
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import java.util.concurrent.Executors; |
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import java.util.logging.Level; |
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import de.uhilger.mediaz.entity.Entity; |
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import java.util.Iterator; |
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import java.util.List; |
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/** |
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* Die Klasse Server stellt Methoden zur Ausführung eines HTTP-Servers |
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* bereit |
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* |
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* @author Ulrich Hilger |
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* @version 0.1, 25.03.2021 |
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*/ |
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public class Server { |
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private static final Logger logger = Logger.getLogger(Server.class.getName()); |
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public static final String RB_SERVER_START_MSG = "msgServerStart"; |
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public static final String RB_WEBROOT = "webroot"; |
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public static final String RB_STORE = "store"; |
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public static final String RB_STRG = "strg"; |
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public static final String RB_ALIST= "alist"; |
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//public static final String RB_UI_ROOT = "uiroot"; |
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public static final String RB_STOP_SERVER = "stopServer"; |
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//public static final String RB_ABLAGE_TEST = "testAblage"; |
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//public static final String RB_STORE_TEST = "testStore"; |
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public static final String SLASH = "/"; |
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private int port; |
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private String ctx; |
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/** |
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* Ein neues Objekt der Kalsse Server erzeugen |
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* |
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* @param port der Port, über den dieser Server erreichbar sein soll |
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*/ |
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public Server(int port) { |
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this.port = port; |
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} |
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/** |
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* Den Port angeben, unter dem der Server erreichbar sein soll |
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* |
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* @param port der Port, unter dem der Server erreichbar sein soll |
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*/ |
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public void setPort(int port) { |
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this.port = port; |
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} |
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/** |
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* Den Namen des Kontexts angeben, über den dieser Server erreichbar sein |
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* soll |
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* |
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* @param ctxName Name des Kontexts, unter dem der Server aufrufbar sein soll |
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*/ |
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public void setContextName(String ctxName) { |
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if (!ctxName.startsWith(SLASH)) { |
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this.ctx = SLASH + ctxName; |
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} else { |
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this.ctx = ctxName; |
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} |
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} |
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/** |
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* Die Endpunkte einrichten, unter denen die Dienste dieses |
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* Servers erreichbar sein sollen und den Server starten |
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* |
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* @throws IOException wenn etwas schief geht, finden sich Angaben in diesem |
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* Objekt |
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* @throws java.lang.ClassNotFoundException |
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*/ |
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public void start() throws IOException, ClassNotFoundException { |
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logger.log(Level.INFO, App.getRs(RB_SERVER_START_MSG), Integer.toString(port)); |
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String wwwData = App.getInitParameter(App.getRs(App.RB_AP_WWW_DATA)); |
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File wwwDir = new File(wwwData); |
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HttpServer server = HttpServer.create(new InetSocketAddress(port), 0); |
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server.createContext(ctx + App.getRs(RB_WEBROOT), new FileHandler(wwwDir.getAbsolutePath())); |
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ablageorteEinklinken(server); |
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server.createContext(ctx + App.getRs(RB_STORE), new StorageHandler()); |
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server.createContext(ctx + App.getRs(RB_STRG), new MediaSteuerung()); |
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server.createContext(ctx + App.getRs(RB_ALIST), new ListHandler()); |
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server.createContext(ctx + App.getRs(RB_STOP_SERVER), new StopServerHandler()); |
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server.setExecutor(Executors.newFixedThreadPool(20)); |
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server.start(); |
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} |
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private void ablageorteEinklinken(HttpServer server) |
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throws ClassNotFoundException, IOException { |
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String typ = Ablageort.class.getSimpleName(); |
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FileStorage store = new FileStorage(App.getInitParameter(App.getRs(App.RB_AP_CONF))); |
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List<String> orte = store.list(typ); |
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Iterator<String> i = orte.iterator(); |
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while(i.hasNext()) { |
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String ortName = i.next(); |
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Entity e = store.read(typ, ortName); |
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if(e instanceof Ablageort) { |
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Ablageort ablageort = (Ablageort) e; |
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logger.log(Level.FINE, "{0}{1}", new Object[]{ctx, ablageort.getUrl()}); |
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logger.fine(ablageort.getOrt()); |
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server.createContext(ctx + ablageort.getUrl(), |
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new ListFileHandler(new File(ablageort.getOrt()).getAbsolutePath())); |
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} |
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} |
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} |
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} |