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/* |
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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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} |