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Tomcat example source code file (UserMBean.java)

This example Tomcat source code file (UserMBean.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

arraylist, arraylist, group, illegalargumentexception, illegalargumentexception, invalid, iterator, malformedobjectnameexception, management, objectname, role, string, string, user, user, util

The Tomcat UserMBean.java source code

/*
 * 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.tomcat.util.modeler.BaseModelMBean;
import org.apache.tomcat.util.modeler.ManagedBean;
import org.apache.tomcat.util.modeler.Registry;

/**
 * <p>A ModelMBean implementation for the
 * <code>org.apache.catalina.User component.

* * @author Craig R. McClanahan * @version $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $ */ public class UserMBean extends BaseModelMBean { // ----------------------------------------------------------- Constructors /** * Construct a <code>ModelMBean with default * <code>ModelMBeanInfo information. * * @exception MBeanException if the initializer of an object * throws an exception * @exception RuntimeOperationsException if an IllegalArgumentException * occurs */ public UserMBean() throws MBeanException, RuntimeOperationsException { super(); } // ----------------------------------------------------- Instance Variables /** * The configuration information registry for our managed beans. */ protected Registry registry = MBeanUtils.createRegistry(); /** * The <code>MBeanServer in which we are registered. */ protected MBeanServer mserver = MBeanUtils.createServer(); /** * The <code>ManagedBean information describing this MBean. */ protected ManagedBean managed = registry.findManagedBean("User"); // ------------------------------------------------------------- Attributes /** * Return the MBean Names of all groups this user is a member of. */ public String[] getGroups() { User user = (User) this.resource; ArrayList results = new ArrayList(); Iterator groups = user.getGroups(); while (groups.hasNext()) { Group group = null; try { group = (Group) groups.next(); ObjectName oname = MBeanUtils.createObjectName(managed.getDomain(), group); results.add(oname.toString()); } catch (MalformedObjectNameException e) { IllegalArgumentException iae = new IllegalArgumentException ("Cannot create object name for group " + group); iae.initCause(e); throw iae; } } return ((String[]) results.toArray(new String[results.size()])); } /** * Return the MBean Names of all roles assigned to this user. */ public String[] getRoles() { User user = (User) this.resource; ArrayList results = new ArrayList(); Iterator roles = user.getRoles(); while (roles.hasNext()) { Role role = null; try { role = (Role) roles.next(); ObjectName oname = MBeanUtils.createObjectName(managed.getDomain(), role); results.add(oname.toString()); } catch (MalformedObjectNameException e) { IllegalArgumentException iae = new IllegalArgumentException ("Cannot create object name for role " + role); iae.initCause(e); throw iae; } } return ((String[]) results.toArray(new String[results.size()])); } // ------------------------------------------------------------- Operations /** * Add a new {@link Group} to those this user belongs to. * * @param groupname Group name of the new group */ public void addGroup(String groupname) { User user = (User) this.resource; if (user == null) { return; } Group group = user.getUserDatabase().findGroup(groupname); if (group == null) { throw new IllegalArgumentException ("Invalid group name '" + groupname + "'"); } user.addGroup(group); } /** * Add a new {@link Role} to those this user belongs to. * * @param rolename Role name of the new role */ public void addRole(String rolename) { User user = (User) this.resource; if (user == null) { return; } Role role = user.getUserDatabase().findRole(rolename); if (role == null) { throw new IllegalArgumentException ("Invalid role name '" + rolename + "'"); } user.addRole(role); } /** * Remove a {@link Group} from those this user belongs to. * * @param groupname Group name of the old group */ public void removeGroup(String groupname) { User user = (User) this.resource; if (user == null) { return; } Group group = user.getUserDatabase().findGroup(groupname); if (group == null) { throw new IllegalArgumentException ("Invalid group name '" + groupname + "'"); } user.removeGroup(group); } /** * Remove a {@link Role} from those this user belongs to. * * @param rolename Role name of the old role */ public void removeRole(String rolename) { User user = (User) this.resource; if (user == null) { return; } Role role = user.getUserDatabase().findRole(rolename); if (role == null) { throw new IllegalArgumentException ("Invalid role name '" + rolename + "'"); } user.removeRole(role); } }

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