From 74fab1c53fd3850bf0fd075c93622f14ad8dbe30 Mon Sep 17 00:00:00 2001
From: ulrich
Date: Wed, 06 Jan 2021 23:03:51 +0000
Subject: [PATCH] null pruefung hinzugefuegt
---
src/java/de/uhilger/filecms/web/Initialiser.java | 149 +++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 141 insertions(+), 8 deletions(-)
diff --git a/src/java/de/uhilger/filecms/web/Initialiser.java b/src/java/de/uhilger/filecms/web/Initialiser.java
index 90cf53a..486704b 100644
--- a/src/java/de/uhilger/filecms/web/Initialiser.java
+++ b/src/java/de/uhilger/filecms/web/Initialiser.java
@@ -1,27 +1,160 @@
+/*
+ Dateiverwaltung - File management in your browser
+ Copyright (C) 2017 Ulrich Hilger, http://uhilger.de
+
+ 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 <http://www.gnu.org/licenses/>.
+*/
+
package de.uhilger.filecms.web;
+import de.uhilger.wbx.WbxUtils;
+import java.io.File;
+import java.io.IOException;
+import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
+import org.apache.commons.io.FileUtils;
/**
- *
+ * Initialisieren der Dateiverwaltung
*/
+
+/*
+ der folgende Eintrag kann z.B. in $CATALINA_BASE/conf/context.xml
+ eingetragen werden
+
+ <Environment
+ name="wbxFileBase"
+ type="java.lang.String"
+ value="/media/wbx-data/cms"
+ override="false"
+ />
+
+*/
public class Initialiser implements ServletContextListener {
-
- public static final String FILE_BASE = "filebase";
private static final Logger logger = Logger.getLogger(Initialiser.class.getName());
+
+ public static final String FILE_BASE = "filebase";
+ public static final String DATENABLAGE = "datenAblage";
+ public static final String WBX_FILE_BASE = "wbxFileBase";
+ public static final String WBX_DATA_DIR = "wbx.data";
+ public static final String WBX_DEPTH = "tiefe";
+ public static final String WBX_DATA_FOLDER = "datenOrdner";
+ /**
+ * Die Dateiablage wird entweder auf einen absoluten Pfad gesetzt,
+ * der im Deployment Descriptor hinterlegt werden kann oder, wenn
+ * dort nichts eingetragen ist, auf den hart kodierten Pfad
+ * der WebBox.
+ *
+ * @param ctx der ServletContext, in den die Angabe eingetragen wird. Dort
+ * ist anschliessend die Angabe unter Initialiser.FILE_BASE abrufbar
+ */
+ protected void ablageErmitteln(ServletContext ctx) {
+ //Object o = ctx.getInitParameter(DATENABLAGE);
+
+ //File wbxDaten = getDataDir(ctx, 2, "data/");
+
+ //WbxUtils wu = new WbxUtils();
+ //Object o = wu.getJNDIParameter(WBX_FILE_BASE, WbxUtils.EMPTY_STRING);
+ String dir = System.getProperty(WBX_DATA_DIR);
+ try {
+ if(dir != null) {
+ //String pfad = o.toString();
+ if(dir.trim().length() > 0) {
+ ctx.setAttribute(FILE_BASE, dir);
+ logger.log(Level.INFO, "Daten-Ordner aus wbx.data: {0}", dir);
+ } else {
+ ctx.setAttribute(FILE_BASE, getDefaultDataDir(ctx).getAbsolutePath());
+ }
+ } else {
+ ctx.setAttribute(FILE_BASE, getDefaultDataDir(ctx).getAbsolutePath());
+ }
+ } catch(Exception ex) {
+ ctx.setAttribute(FILE_BASE, getDefaultDataDir(ctx).getAbsolutePath());
+ }
+ }
+
+ private File getDefaultDataDir(ServletContext ctx) {
+ String tiefe = ctx.getInitParameter(WBX_DEPTH);
+ String ordnerName = ctx.getInitParameter(WBX_DATA_FOLDER);
+ return getDataDir(ctx, Integer.parseInt(tiefe), ordnerName);
+ }
+
+ /**
+ * Daten-Ordner relativ zum Ablageort des file-cms finden.
+ *
+ * Die Standard-Struktur einer WebBox sieht folgende Ordner vor
+ *
+ * wbx/apps
+ * wbx/data
+ *
+ * Liegt das file-cms z.B. im Ordner /home/ulrich/dev/srv/wbx-3/apps/file-cms
+ * kann von dort aus der Daten-Ordner mit
+ * getDataDir(ctx, 2, "data/")
+ * gefunden werden.
+ *
+ * @param ctx der ServletContext, in dem das file-cms laeuft
+ * @param tiefe Anzahl Ordner, die der Ablageort des file-cms vom
+ * Eltern-Ordner entfernt ist
+ * @param pfad der Pfad zum Daten-Ordner ausgehend vom Eltern-Ordner
+ * @return Daten-Ordner
+ */
+ private File getDataDir(ServletContext ctx, int tiefe, String pfad) {
+ File appsOrdner = new File(ctx.getRealPath("/"));
+ logger.log(Level.INFO, "Apps-Ordner: {0}", appsOrdner.getAbsolutePath());
+ File wbx = new File(appsOrdner, "");
+ for(int i = 0; i < tiefe; i++) {
+ wbx = wbx.getParentFile();
+ }
+ logger.log(Level.INFO, "Wbx-Ordner: {0}", wbx.getAbsolutePath());
+ File daten = new File(wbx, pfad);
+ logger.log(Level.INFO, "Daten-Ordner: {0}", daten.getAbsolutePath());
+ return daten;
+ }
+
+ protected void ablageInitialisieren(ServletContext ctx) {
+ Object o = ctx.getAttribute(FILE_BASE);
+ if(o instanceof String) {
+ String targetDirName = (String) o;
+ File dataDir = new File(targetDirName, "www");
+ if(!dataDir.exists()) {
+ dataDir.mkdirs();
+ String srcPath = ctx.getRealPath("/"); // file-cms in webapps
+ File srcDir = new File(srcPath, "/META-INF/daten/www");
+ dataDir = new File(targetDirName);
+ try {
+ FileUtils.copyDirectoryToDirectory(srcDir, dataDir);
+ srcDir = new File(srcPath, "/META-INF/daten/home");
+ FileUtils.copyDirectoryToDirectory(srcDir, dataDir);
+ srcDir = new File(srcPath, "/META-INF/daten/dav");
+ FileUtils.copyDirectoryToDirectory(srcDir, dataDir);
+ } catch (IOException ex) {
+ logger.log(Level.SEVERE, null, ex);
+ }
+ }
+ }
+ }
+
@Override
public void contextInitialized(ServletContextEvent sce) {
ServletContext ctx = sce.getServletContext();
- StringBuilder sb = new StringBuilder();
- sb.append(System.getProperty("user.home"));
- sb.append("/file-cms");
- System.out.println(" FILE_BASE: " + sb.toString());
- ctx.setAttribute(FILE_BASE, sb.toString());
+ ablageErmitteln(ctx);
+ ablageInitialisieren(ctx);
}
@Override
--
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