/*
* 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 org.apache.catalina.mbeans;
import java.util.ArrayList;
import java.util.Iterator;
import javax.management.MBeanException;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.management.RuntimeOperationsException;
import org.apache.catalina.Group;
import org.apache.catalina.Role;
import org.apache.catalina.User;
import org.apache.catalina.UserDatabase;
import org.apache.tomcat.util.modeler.BaseModelMBean;
import org.apache.tomcat.util.modeler.ManagedBean;
import org.apache.tomcat.util.modeler.Registry;
/**
* <p>A <strong>ModelMBean</strong> implementation for the
* <code>org.apache.catalina.users.MemoryUserDatabase</code> component.</p>
*
* @author Craig R. McClanahan
*
*/
public class MemoryUserDatabaseMBean extends BaseModelMBean {
// ----------------------------------------------------------- Constructors
/**
* Construct a <code>ModelMBean</code> with default
* <code>ModelMBeanInfo</code> information.
*
* @exception MBeanException if the initializer of an object
* throws an exception
* @exception RuntimeOperationsException if an IllegalArgumentException
* occurs
*/
public MemoryUserDatabaseMBean()
throws MBeanException, RuntimeOperationsException {
super();
}
// ----------------------------------------------------- Instance Variables
/**
* The configuration information registry for our managed beans.
*/
protected Registry registry = MBeanUtils.createRegistry();
/**
* The <code>MBeanServer</code> in which we are registered.
*/
protected MBeanServer mserver = MBeanUtils.createServer();
/**
* The <code>ManagedBean</code> information describing this MBean.
*/
protected ManagedBean managed =
registry.findManagedBean("MemoryUserDatabase");
/**
* The <code>ManagedBean</code> information describing Group MBeans.
*/
protected ManagedBean managedGroup =
registry.findManagedBean("Group");
/**
* The <code>ManagedBean</code> information describing Group MBeans.
*/
protected ManagedBean managedRole =
registry.findManagedBean("Role");
/**
* The <code>ManagedBean</code> information describing User MBeans.
*/
protected ManagedBean managedUser =
registry.findManagedBean("User");
// ------------------------------------------------------------- Attributes
/**
* Return the MBean Names of all groups defined in this database.
*/
public String[] getGroups() {
UserDatabase database = (UserDatabase) this.resource;
ArrayList results = new ArrayList();
Iterator groups = database.getGroups();
while (groups.hasNext()) {
Group group = (Group) groups.next();
results.add(findGroup(group.getGroupname()));
}
return ((String[]) results.toArray(new String[results.size()]));
}
/**
* Return the MBean Names of all roles defined in this database.
*/
public String[] getRoles() {
UserDatabase database = (UserDatabase) this.resource;
ArrayList results = new ArrayList();
Iterator roles = database.getRoles();
while (roles.hasNext()) {
Role role = (Role) roles.next();
results.add(findRole(role.getRolename()));
}
return ((String[]) results.toArray(new String[results.size()]));
}
/**
* Return the MBean Names of all users defined in this database.
*/
public String[] getUsers() {
UserDatabase database = (UserDatabase) this.resource;
ArrayList results = new ArrayList();
Iterator users = database.getUsers();
while (users.hasNext()) {
User user = (User) users.next();
results.add(findUser(user.getUsername()));
}
return ((String[]) results.toArray(new String[results.size()]));
}
// ------------------------------------------------------------- Operations
/**
* Create a new Group and return the corresponding MBean Name.
*
* @param groupname Group name of the new group
* @param description Description of the new group
*/
public String createGroup(String groupname, String description) {
UserDatabase database = (UserDatabase) this.resource;
Group group = database.createGroup(groupname, description);
try {
MBeanUtils.createMBean(group);
} catch (Exception e) {
IllegalArgumentException iae = new IllegalArgumentException
("Exception creating group [" + groupname + "] MBean");
iae.initCause(e);
throw iae;
}
return (findGroup(groupname));
}
/**
* Create a new Role and return the corresponding MBean Name.
*
* @param rolename Group name of the new group
* @param description Description of the new group
*/
public String createRole(String rolename, String description) {
UserDatabase database = (UserDatabase) this.resource;
Role role = database.createRole(rolename, description);
try {
MBeanUtils.createMBean(role);
} catch (Exception e) {
IllegalArgumentException iae = new IllegalArgumentException
("Exception creating role [" + rolename + "] MBean");
iae.initCause(e);
throw iae;
}
return (findRole(rolename));
}
/**
* Create a new User and return the corresponding MBean Name.
*
* @param username User name of the new user
* @param password Password for the new user
* @param fullName Full name for the new user
*/
public String createUser(String username, String password,
String fullName) {
UserDatabase database = (UserDatabase) this.resource;
User user = database.createUser(username, password, fullName);
try {
MBeanUtils.createMBean(user);
} catch (Exception e) {
IllegalArgumentException iae = new IllegalArgumentException
("Exception creating user [" + username + "] MBean");
iae.initCause(e);
throw iae;
}
return (findUser(username));
}
/**
* Return the MBean Name for the specified group name (if any);
* otherwise return <code>null</code>.
*
* @param groupname Group name to look up
*/
public String findGroup(String groupname) {
UserDatabase database = (UserDatabase) this.resource;
Group group = database.findGroup(groupname);
if (group == null) {
return (null);
}
try {
ObjectName oname =
MBeanUtils.createObjectName(managedGroup.getDomain(), group);
return (oname.toString());
} catch (MalformedObjectNameException e) {
IllegalArgumentException iae = new IllegalArgumentException
("Cannot create object name for group [" + groupname + "]");
iae.initCause(e);
throw iae;
}
}
/**
* Return the MBean Name for the specified role name (if any);
* otherwise return <code>null</code>.
*
* @param rolename Role name to look up
*/
public String findRole(String rolename) {
UserDatabase database = (UserDatabase) this.resource;
Role role = database.findRole(rolename);
if (role == null) {
return (null);
}
try {
ObjectName oname =
MBeanUtils.createObjectName(managedRole.getDomain(), role);
return (oname.toString());
} catch (MalformedObjectNameException e) {
IllegalArgumentException iae = new IllegalArgumentException
("Cannot create object name for role [" + rolename + "]");
iae.initCause(e);
throw iae;
}
}
/**
* Return the MBean Name for the specified user name (if any);
* otherwise return <code>null</code>.
*
* @param username User name to look up
*/
public String findUser(String username) {
UserDatabase database = (UserDatabase) this.resource;
User user = database.findUser(username);
if (user == null) {
return (null);
}
try {
ObjectName oname =
MBeanUtils.createObjectName(managedUser.getDomain(), user);
return (oname.toString());
} catch (MalformedObjectNameException e) {
IllegalArgumentException iae = new IllegalArgumentException
("Cannot create object name for user [" + username + "]");
iae.initCause(e);
throw iae;
}
}
/**
* Remove an existing group and destroy the corresponding MBean.
*
* @param groupname Group name to remove
*/
public void removeGroup(String groupname) {
UserDatabase database = (UserDatabase) this.resource;
Group group = database.findGroup(groupname);
if (group == null) {
return;
}
try {
MBeanUtils.destroyMBean(group);
database.removeGroup(group);
} catch (Exception e) {
IllegalArgumentException iae = new IllegalArgumentException
("Exception destroying group [" + groupname + "] MBean");
iae.initCause(e);
throw iae;
}
}
/**
* Remove an existing role and destroy the corresponding MBean.
*
* @param rolename Role name to remove
*/
public void removeRole(String rolename) {
UserDatabase database = (UserDatabase) this.resource;
Role role = database.findRole(rolename);
if (role == null) {
return;
}
try {
MBeanUtils.destroyMBean(role);
database.removeRole(role);
} catch (Exception e) {
IllegalArgumentException iae = new IllegalArgumentException
("Exception destroying role [" + rolename + "] MBean");
iae.initCause(e);
throw iae;
}
}
/**
* Remove an existing user and destroy the corresponding MBean.
*
* @param username User name to remove
*/
public void removeUser(String username) {
UserDatabase database = (UserDatabase) this.resource;
User user = database.findUser(username);
if (user == null) {
return;
}
try {
MBeanUtils.destroyMBean(user);
database.removeUser(user);
} catch (Exception e) {
IllegalArgumentException iae = new IllegalArgumentException
("Exception destroying user [" + username + "] MBean");
iae.initCause(e);
throw iae;
}
}
}