--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servlet/src/digilib/io/DocuDirent.java	Tue Sep 16 18:32:00 2003 +0200
@@ -0,0 +1,136 @@
+/* DocuDirent.java --  Abstract directory entry in a DocuDirectory
+
+  Digital Image Library servlet components
+
+  Copyright (C) 2003 Robert Casties (robcast@mail.berlios.de)
+
+  This program is free software; you can redistribute  it and/or modify it
+  under  the terms of  the GNU General  Public License as published by the
+  Free Software Foundation;  either version 2 of the  License, or (at your
+  option) any later version.
+   
+  Please read license.txt for the full details. A copy of the GPL
+  may be found at http://www.gnu.org/copyleft/lgpl.html
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ * Created on 15.09.2003 by casties
+ *
+ */
+package digilib.io;
+
+import java.io.File;
+import java.util.HashMap;
+
+/** Abstract directory entry in a DocuDirectory.
+ * 
+ * @author casties
+ *
+ */
+public abstract class DocuDirent {
+
+	/** the file class of this file */
+	protected static int fileClass = FileOps.CLASS_NONE; 
+	/** HashMap with metadata */
+	protected HashMap fileMeta = null;
+	/** Is the Metadata valid */
+	protected boolean metaChecked = false;
+	/** the parent directory */
+	protected Directory parent = null;
+
+	/** Checks metadata and does something with it.
+	 * 
+	 */
+	public abstract void checkMeta();
+
+	/**
+	 * gets the (default) File
+	 * @return
+	 */
+	public abstract File getFile();
+
+	/** Reads meta-data for this Fileset if there is any.
+	 * 
+	 */
+	public void readMeta() {
+		if ((fileMeta != null) || (getFile() != null)) {
+			// there is already metadata or there is no file
+			return;
+		}
+		// metadata is in the file {filename}.meta
+		String fn = getFile().getAbsolutePath();
+		File mf = new File(fn + ".meta");
+		if (mf.canRead()) {
+			XMLMetaLoader ml = new XMLMetaLoader();
+			try {
+				// read meta file
+				HashMap meta = ml.loadURL(mf.getAbsolutePath());
+				if (meta == null) {
+					return;
+				}
+				fileMeta = (HashMap) meta.get(getName());
+			} catch (Exception e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+		}
+	}
+
+	/** The name of the (hires) image file.
+	 * 
+	 * @return
+	 */
+	public String getName() {
+		File f = getFile();
+		return (f != null) ? f.getName() : null;
+	}
+
+	/** Returns the parent DocuDirectory.
+	 * 
+	 * @return DocuDirectory
+	 */
+	public Directory getParent() {
+		return parent;
+	}
+
+	/**
+	 * Sets the parent.
+	 * @param parent The parent to set
+	 */
+	public void setParent(Directory parent) {
+		this.parent = parent;
+	}
+
+	/** Returns the meta-data for this fileset.
+	 * 
+	 * @return HashMap
+	 */
+	public HashMap getFileMeta() {
+		return fileMeta;
+	}
+
+	/**
+	 * Sets the fileMeta.
+	 * @param fileMeta The fileMeta to set
+	 */
+	public void setFileMeta(HashMap fileMeta) {
+		this.fileMeta = fileMeta;
+	}
+
+	/**
+	 * @return
+	 */
+	public boolean isMetaChecked() {
+		return metaChecked;
+	}
+
+	/**
+	 * @return
+	 */
+	public static int getFileClass() {
+		return fileClass;
+	}
+
+}