/*
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Dateiverwaltung - File management in your browser
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Copyright (C) 2017 Ulrich Hilger, http://uhilger.de
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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 <http://www.gnu.org/licenses/>.
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*/
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package de.uhilger.filecms.web;
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import de.uhilger.wbx.WbxUtils;
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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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import javax.servlet.ServletContext;
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import javax.servlet.ServletContextEvent;
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import javax.servlet.ServletContextListener;
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import org.apache.commons.io.FileUtils;
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/**
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* Initialisieren der Dateiverwaltung
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*/
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public class Initialiser implements ServletContextListener {
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private static final Logger logger = Logger.getLogger(Initialiser.class.getName());
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public static final String FILE_BASE = "filebase";
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public static final String DATENABLAGE = "datenAblage";
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public static final String WBX_FILE_BASE = "wbxFileBase";
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/**
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* Bei der WebBox ist das Datenverzeichnis relativ zum Verzeichnis
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* $CATALINA_BASE/webapps untergebracht.
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* Die Abfrage ServletContext.getRealPath
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* liefert das Verzeichnis des Context dieser Webanwendung, also
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* $CATALINA_BASE/webapps/file-cms
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* oder
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* $WBX/sys/base/webapps/file-cms
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*
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* Unter Windows z.B.
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* C:\Users\fred\Documents\srv\wbx\sys\base\webapps\file-cms
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* Unter Linux oder Mac OS z.B.
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* /home/fred/srv/wbx/sys/base/webapps/file-cms
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*
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* Das Datenverzeichis liegt dann auf
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* $WBX/daten
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*
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* Mit dem Verzeichnis des Context dieser Webanwendung ist das
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* Datenverzeichnis der WebBox hart kodierbar mit dieser Methode
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*
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* @return Verzeichnis 'daten' der WebBox
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*/
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/*
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protected File getWbxDataDir(ServletContext ctx) {
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File file = getWbxDir(ctx);
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file = new File(file, "daten/");
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logger.fine("WebBox Datenbasis: " + file.getAbsolutePath());
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return file;
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}
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*/
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/*
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protected File getWbxDir(ServletContext ctx) {
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logger.fine("Catalina Base: " + System.getProperty("catalina.base"));
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File catalinaBase = new File(System.getProperty("catalina.base"));
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File wbxDir = catalinaBase.getParentFile().getParentFile();
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return wbxDir;
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/*
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String path = ctx.getRealPath("/");
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logger.fine("getRealPath: " + path); // file-cms in webapps
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File file = new File(path);
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file = file.getParentFile().getParentFile().getParentFile().getParentFile();
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logger.fine("WebBox: " + file.getAbsolutePath());
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return file;
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*/
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//}
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/**
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* Die Dateiablage wird entweder auf einen absoluten Pfad gesetzt,
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* der im Deployment Descriptor hinterlegt werden kann oder, wenn
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* dort nichts eingetragen ist, auf den hart kodierten Pfad
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* der WebBox.
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*
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* @param ctx der ServletContext, in den die Angabe eingetragen wird. Dort
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* ist anschliessend die Angabe unter Initialiser.FILE_BASE abrufbar
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*/
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protected void ablageErmitteln(ServletContext ctx) {
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//Object o = ctx.getInitParameter(DATENABLAGE);
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WbxUtils wu = new WbxUtils();
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Object o = wu.getJNDIParameter(WBX_FILE_BASE, WbxUtils.EMPTY_STRING);
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try {
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if(o instanceof String) {
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String pfad = o.toString();
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if(pfad.trim().length() > 0) {
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ctx.setAttribute(FILE_BASE, pfad);
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logger.fine("Basis: " + pfad);
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} else {
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ctx.setAttribute(FILE_BASE, wu.getWbxDataDir().getAbsolutePath());
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}
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} else {
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ctx.setAttribute(FILE_BASE, wu.getWbxDataDir().getAbsolutePath());
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}
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} catch(Exception ex) {
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ctx.setAttribute(FILE_BASE, wu.getWbxDataDir().getAbsolutePath());
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}
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}
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protected void ablageInitialisieren(ServletContext ctx) {
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Object o = ctx.getAttribute(FILE_BASE);
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if(o instanceof String) {
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String targetDirName = (String) o;
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File dataDir = new File(targetDirName, "www");
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if(!dataDir.exists()) {
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String srcPath = ctx.getRealPath("/"); // file-cms in webapps
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File srcDir = new File(srcPath, "/META-INF/daten/www");
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dataDir = new File(targetDirName);
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try {
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FileUtils.copyDirectoryToDirectory(srcDir, dataDir);
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srcDir = new File(srcPath, "/META-INF/daten/home");
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FileUtils.copyDirectoryToDirectory(srcDir, dataDir);
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srcDir = new File(srcPath, "/META-INF/daten/dav");
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FileUtils.copyDirectoryToDirectory(srcDir, dataDir);
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// hier noch den context anlegen
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String path = ctx.getRealPath("/");
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//File appDir = new File(path);
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logger.fine("Catalina Base: " + System.getProperty("catalina.base"));
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//File catalinaBase = appDir.getParentFile().getParentFile();
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File catalinaBase = new File(System.getProperty("catalina.base"));
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File confLocalhost = new File(catalinaBase, "conf/Catalina/localhost");
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File dataContext = new File(confLocalhost, "data.xml");
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srcDir = new File(path, "/META-INF/conf");
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File dataCtxSrc = new File(srcDir, "data.xml");
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logger.fine("dataCtxSrc: " + dataCtxSrc.getAbsolutePath());
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logger.fine("dataContext: " + dataContext.getAbsolutePath());
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FileUtils.copyFile(dataCtxSrc, dataContext);
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} catch (IOException ex) {
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logger.log(Level.SEVERE, null, ex);
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}
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}
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}
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}
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@Override
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public void contextInitialized(ServletContextEvent sce) {
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ServletContext ctx = sce.getServletContext();
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ablageErmitteln(ctx);
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ablageInitialisieren(ctx);
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}
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@Override
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public void contextDestroyed(ServletContextEvent sce) {
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ServletContext ctx = sce.getServletContext();
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ctx.removeAttribute(FILE_BASE);
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}
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}
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