--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/kryshen/catalina/startup/HomesUserDatabase.java	Fri Oct 30 03:54:56 2009 +0300
@@ -0,0 +1,145 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package kryshen.catalina.startup;
+
+
+import java.io.File;
+import java.util.Hashtable;
+import java.util.Enumeration;
+import org.apache.catalina.startup.*;
+
+
+/**
+ * Concrete implementation of the <strong>UserDatabase</code> interface
+ * considers all directories in a directory whose pathname is specified
+ * to our constructor to be "home" directories for those users.
+ *
+ * @author Craig R. McClanahan
+ * @version $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (Tue, 24 Oct 2006) $
+ */
+
+public final class HomesUserDatabase
+    implements UserDatabase {
+
+
+    // --------------------------------------------------------- Constructors
+
+
+    /**
+     * Initialize a new instance of this user database component.
+     */
+    public HomesUserDatabase() {
+
+        super();
+
+    }
+
+
+    // --------------------------------------------------- Instance Variables
+
+
+    /**
+     * The set of home directories for all defined users, keyed by username.
+     */
+    private Hashtable homes = new Hashtable();
+
+
+    /**
+     * The UserConfig listener with which we are associated.
+     */
+    private UserConfig userConfig = null;
+
+
+    // ----------------------------------------------------------- Properties
+
+
+    /**
+     * Return the UserConfig listener with which we are associated.
+     */
+    public UserConfig getUserConfig() {
+
+        return (this.userConfig);
+
+    }
+
+
+    /**
+     * Set the UserConfig listener with which we are associated.
+     *
+     * @param userConfig The new UserConfig listener
+     */
+    public void setUserConfig(UserConfig userConfig) {
+
+        this.userConfig = userConfig;
+        init();
+
+    }
+
+
+    // ------------------------------------------------------- Public Methods
+
+
+    /**
+     * Return an absolute pathname to the home directory for the specified user.
+     *
+     * @param user User for which a home directory should be retrieved
+     */
+    public String getHome(String user) {
+
+        return ((String) homes.get(user));
+
+    }
+
+
+    /**
+     * Return an enumeration of the usernames defined on this server.
+     */
+    public Enumeration getUsers() {
+
+        return (homes.keys());
+
+    }
+
+
+    // ------------------------------------------------------ Private Methods
+
+
+    /**
+     * Initialize our set of users and home directories.
+     */
+    private void init() {
+
+        String homeBase = userConfig.getHomeBase();
+        File homeBaseDir = new File(homeBase);
+        if (!homeBaseDir.exists() || !homeBaseDir.isDirectory())
+            return;
+        String homeBaseFiles[] = homeBaseDir.list();
+
+        for (int i = 0; i < homeBaseFiles.length; i++) {
+            File homeDir = new File(homeBaseDir, homeBaseFiles[i]);
+            if (!homeDir.isDirectory() || !homeDir.canExecute())
+                continue;
+            homes.put(homeBaseFiles[i], homeDir.toString());
+        }
+
+
+    }
+
+
+}