From 6d3836e41493f89c5b8700cca34111319e9fa41a Mon Sep 17 00:00:00 2001
From: ulrich
Date: Sat, 27 Mar 2021 16:41:01 +0000
Subject: [PATCH] Kommentare ergaenzt
---
src/de/uhilger/minsrv/App.java | 105 +++++++++++++++++++++++++++++++++++++---------------
1 files changed, 74 insertions(+), 31 deletions(-)
diff --git a/src/de/uhilger/minsrv/App.java b/src/de/uhilger/minsrv/App.java
index da44463..0e41848 100644
--- a/src/de/uhilger/minsrv/App.java
+++ b/src/de/uhilger/minsrv/App.java
@@ -1,21 +1,20 @@
/*
- mc2 - Mediacenter neu
- Copyright (C) 2021 Ulrich Hilger
+ mini-server - Ein minimalistischer HTTP-Server
+ 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 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.
+ 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/>.
-*/
-
+ 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.minsrv;
import java.io.IOException;
@@ -24,47 +23,91 @@
import java.util.logging.Logger;
/**
+ * <p>Die Hauptklasse des mini-server</p>
*
- * @author ulrich
+ * <p>Folgende Kommandozeilenparameter werden verarbeitet </p>
+ *
+ * <p>ctx - Kontext des Servers <br>
+ * www-data - lokales Datenverzeichnis <br>
+ * port - Port</p>>
+ *
+ * <p>Beispiel: <code>java -jar mini-server.jar ctx="srv" www-data="/home/fred/www"
+ * port=9090</code></p>
+ *
+ * <p>Startet den Server auf http://localhost:9090/srv und liefert Inhalte aus
+ * dem Verzeichnis <code>/home/fred/www</code> aus.
+ *
+ * Ein Aufruf von http://localhost:9090/srv/pfad/zum/inhalt/index.html liefert
+ * also die Datei 'index.html' aus dem Ordner /home/fred/www/pfad/zum/inhalt
+ * aus.</p>
+ *
+ * <p>Mit http://localhost:9090/srv/server/stop werden Server und App
+ * beendet.</p>
+ *
+ * @author Ulrich Hilger
* @version 0.1, 25.03.2021
*/
public class App {
private static final Logger logger = Logger.getLogger(App.class.getName());
-
+
public static final String IP_PORT = "port";
public static final String IP_WWW_DATA = "www-data";
-
- private static HashMap initParams;
-
+ public static final String IP_CTX = "ctx";
+
+ private static HashMap initParams;
+
/**
- * @param args the command line arguments
+ * <p>Start-Methode dieser Anwendung</p>
+ *
+ * @param args Kommandozeilenparameter
*/
public static void main(String[] args) {
initParams = new HashMap();
- for(String arg: args) {
+ for (String arg : args) {
String[] argParts = arg.split("=");
initParams.put(argParts[0], argParts[1]);
}
-
- Server server = new Server(Integer.parseInt(getInitParameter(IP_PORT)));
- try {
- server.start();
- } catch (IOException ex) {
- Logger.getLogger(App.class.getName()).log(Level.SEVERE, null, ex);
+
+ String portStr = getInitParameter(IP_PORT);
+ if (portStr != null) {
+ Server server = new Server(Integer.parseInt(portStr));
+ try {
+ String ctxName = getInitParameter(IP_CTX);
+ if (ctxName != null) {
+ server.setContextName(ctxName);
+ server.start();
+ } else {
+ logger.severe("Der Parameter " + IP_CTX + " muss angegeben werden.");
+ }
+ } catch (IOException ex) {
+ Logger.getLogger(App.class.getName()).log(Level.SEVERE, null, ex);
+ }
+ } else {
+ logger.severe("Der Parameter " + IP_PORT + " muss angegeben werden.");
}
}
-
+
+ /**
+ * Diese Anwendung stoppen
+ */
public static void stop() {
System.exit(0);
}
-
+
+ /**
+ * Einen Kommandozeilenparameter ermitteln
+ *
+ * @param pname Names des Parameters
+ * @return Inhalt des Parameters oder null, wenn der Parameter nicht gefunden
+ * wurde
+ */
public static String getInitParameter(String pname) {
String param = null;
Object o = initParams.get(pname);
- if(o != null) {
+ if (o != null) {
param = o.toString();
}
return param;
- }
+ }
}
--
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