001: /*
002: * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/startup/HomesUserDatabase.java,v 1.2 2001/07/22 20:25:13 pier Exp $
003: * $Revision: 1.2 $
004: * $Date: 2001/07/22 20:25:13 $
005: *
006: * ====================================================================
007: *
008: * The Apache Software License, Version 1.1
009: *
010: * Copyright (c) 1999 The Apache Software Foundation. All rights
011: * reserved.
012: *
013: * Redistribution and use in source and binary forms, with or without
014: * modification, are permitted provided that the following conditions
015: * are met:
016: *
017: * 1. Redistributions of source code must retain the above copyright
018: * notice, this list of conditions and the following disclaimer.
019: *
020: * 2. Redistributions in binary form must reproduce the above copyright
021: * notice, this list of conditions and the following disclaimer in
022: * the documentation and/or other materials provided with the
023: * distribution.
024: *
025: * 3. The end-user documentation included with the redistribution, if
026: * any, must include the following acknowlegement:
027: * "This product includes software developed by the
028: * Apache Software Foundation (http://www.apache.org/)."
029: * Alternately, this acknowlegement may appear in the software itself,
030: * if and wherever such third-party acknowlegements normally appear.
031: *
032: * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
033: * Foundation" must not be used to endorse or promote products derived
034: * from this software without prior written permission. For written
035: * permission, please contact apache@apache.org.
036: *
037: * 5. Products derived from this software may not be called "Apache"
038: * nor may "Apache" appear in their names without prior written
039: * permission of the Apache Group.
040: *
041: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
042: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
043: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
044: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
045: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
046: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
047: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
048: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
049: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
050: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
051: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
052: * SUCH DAMAGE.
053: * ====================================================================
054: *
055: * This software consists of voluntary contributions made by many
056: * individuals on behalf of the Apache Software Foundation. For more
057: * information on the Apache Software Foundation, please see
058: * <http://www.apache.org/>.
059: *
060: * [Additional notices, if required by prior licensing conditions]
061: *
062: */
063:
064: package org.apache.catalina.startup;
065:
066: import java.io.File;
067: import java.util.Hashtable;
068: import java.util.Enumeration;
069:
070: /**
071: * Concrete implementation of the <strong>UserDatabase</code> interface
072: * considers all directories in a directory whose pathname is specified
073: * to our constructor to be "home" directories for those users.
074: *
075: * @author Craig R. McClanahan
076: * @version $Revision: 1.2 $ $Date: 2001/07/22 20:25:13 $
077: */
078:
079: public final class HomesUserDatabase implements UserDatabase {
080:
081: // --------------------------------------------------------- Constructors
082:
083: /**
084: * Initialize a new instance of this user database component.
085: */
086: public HomesUserDatabase() {
087:
088: super ();
089:
090: }
091:
092: // --------------------------------------------------- Instance Variables
093:
094: /**
095: * The set of home directories for all defined users, keyed by username.
096: */
097: private Hashtable homes = new Hashtable();
098:
099: /**
100: * The UserConfig listener with which we are associated.
101: */
102: private UserConfig userConfig = null;
103:
104: // ----------------------------------------------------------- Properties
105:
106: /**
107: * Return the UserConfig listener with which we are associated.
108: */
109: public UserConfig getUserConfig() {
110:
111: return (this .userConfig);
112:
113: }
114:
115: /**
116: * Set the UserConfig listener with which we are associated.
117: *
118: * @param userConfig The new UserConfig listener
119: */
120: public void setUserConfig(UserConfig userConfig) {
121:
122: this .userConfig = userConfig;
123: init();
124:
125: }
126:
127: // ------------------------------------------------------- Public Methods
128:
129: /**
130: * Return an absolute pathname to the home directory for the specified user.
131: *
132: * @param user User for which a home directory should be retrieved
133: */
134: public String getHome(String user) {
135:
136: return ((String) homes.get(user));
137:
138: }
139:
140: /**
141: * Return an enumeration of the usernames defined on this server.
142: */
143: public Enumeration getUsers() {
144:
145: return (homes.keys());
146:
147: }
148:
149: // ------------------------------------------------------ Private Methods
150:
151: /**
152: * Initialize our set of users and home directories.
153: */
154: private void init() {
155:
156: String homeBase = userConfig.getHomeBase();
157: File homeBaseDir = new File(homeBase);
158: if (!homeBaseDir.exists() || !homeBaseDir.isDirectory())
159: return;
160: String homeBaseFiles[] = homeBaseDir.list();
161:
162: for (int i = 0; i < homeBaseFiles.length; i++) {
163: File homeDir = new File(homeBaseDir, homeBaseFiles[i]);
164: if (!homeDir.isDirectory() || !homeDir.canRead())
165: continue;
166: homes.put(homeBaseFiles[i], homeDir.toString());
167: }
168:
169: }
170:
171: }
|