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package org.apache.catalina.mbeans;
import java.util.ArrayList;
import java.util.Iterator;
import javax.management.MalformedObjectNameException;
import javax.management.MBeanException;
import javax.management.MBeanServer;
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 com.sun.org.apache.commons.modeler.BaseModelMBean;
import com.sun.org.apache.commons.modeler.ManagedBean;
import com.sun.org.apache.commons.modeler.Registry;
/**
* <p>A <strong>ModelMBean</strong> implementation for the
* <code>org.apache.catalina.users.MemoryUserDatabase</code> component.</p>
*
* @author Craig R. McClanahan
* @version $Revision: 1.5.2.1 $ $Date: 2008/04/17 18:37:15 $
*/
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();
registry = MBeanUtils.createRegistry();
managed = registry.findManagedBean("MemoryUserDatabase");
managedGroup = registry.findManagedBean("Group");
managedRole = registry.findManagedBean("Role");
managedUser = registry.findManagedBean("User");
}
// ----------------------------------------------------- Instance Variables
/**
* 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;
/**
* The <code>ManagedBean</code> information describing Group MBeans.
*/
protected ManagedBean managedGroup;
/**
* The <code>ManagedBean</code> information describing Group MBeans.
*/
protected ManagedBean managedRole;
/**
* The <code>ManagedBean</code> information describing User MBeans.
*/
protected ManagedBean managedUser;
// ------------------------------------------------------------- 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 " + group + " 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 " + role + " 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 " + user + " 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 " + group);
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 " + role);
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 " + user);
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 " + group + " 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 " + role + " 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 " + user + " MBean");
iae.initCause(e);
throw iae;
}
}
}