Quelle GroupMBean.java Sprache: JAVA

/*
* 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 java.util.List;

import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;

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;
import org.apache.tomcat.util.res.StringManager;

/**
* <p>
* A <strong>ModelMBean</strong> implementation for the <code>org.apache.catalina.Group</code> component.
* </p>
*
* @author Craig R. McClanahan
*/
public class GroupMBean extends BaseModelMBean {

    private static final StringManager sm = StringManager.getManager(GroupMBean.class);

    /**
     * The configuration information registry for our managed beans.
     */
    protected final Registry registry = MBeanUtils.createRegistry();

    /**
     * The <code>ManagedBean</code> information describing this MBean.
     */
    protected final ManagedBean managed = registry.findManagedBean("Group");

    /**
     * @return the MBean Names of all authorized roles for this group.
     */
    public String[] getRoles() {

        Group group = (Group) this.resource;
        List<String> results = new ArrayList<>();
        Iterator<Role> roles = group.getRoles();
        while (roles.hasNext()) {
            Role role = null;
            try {
                role = roles.next();
                ObjectName oname = MBeanUtils.createObjectName(managed.getDomain(), role);
                results.add(oname.toString());
            } catch (MalformedObjectNameException e) {
                throw new IllegalArgumentException(sm.getString("userMBean.createError.role", role), e);
            }
        }
        return results.toArray(new String[0]);
    }

    /**
     * @return the MBean Names of all users that are members of this group.
     */
    public String[] getUsers() {

        Group group = (Group) this.resource;
        List<String> results = new ArrayList<>();
        Iterator<User> users = group.getUsers();
        while (users.hasNext()) {
            User user = null;
            try {
                user = users.next();
                ObjectName oname = MBeanUtils.createObjectName(managed.getDomain(), user);
                results.add(oname.toString());
            } catch (MalformedObjectNameException e) {
                throw new IllegalArgumentException(sm.getString("userMBean.createError.user", user), e);
            }
        }
        return results.toArray(new String[0]);
    }

    /**
     * Add a new {@link Role} to those this group belongs to.
     *
     * @param rolename Role name of the new role
     */
    public void addRole(String rolename) {

        Group group = (Group) this.resource;
        if (group == null) {
            return;
        }
        Role role = group.getUserDatabase().findRole(rolename);
        if (role == null) {
            throw new IllegalArgumentException(sm.getString("userMBean.invalidRole", rolename));
        }
        group.addRole(role);
    }

    /**
     * Remove a {@link Role} from those this group belongs to.
     *
     * @param rolename Role name of the old role
     */
    public void removeRole(String rolename) {

        Group group = (Group) this.resource;
        if (group == null) {
            return;
        }
        Role role = group.getUserDatabase().findRole(rolename);
        if (role == null) {
            throw new IllegalArgumentException(sm.getString("userMBean.invalidRole", rolename));
        }
        group.removeRole(role);
    }
}

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