org.apache.catalina.users.MemoryGroup Maven / Gradle / Ivy
/*
* 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.users;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import org.apache.catalina.Role;
import org.apache.catalina.User;
import org.apache.catalina.UserDatabase;
import org.apache.tomcat.util.buf.StringUtils;
import org.apache.tomcat.util.buf.StringUtils.Function;
/**
* Concrete implementation of {@link org.apache.catalina.Group} for the
* {@link MemoryUserDatabase} implementation of {@link UserDatabase}.
*
* @author Craig R. McClanahan
* @since 4.1
*/
public class MemoryGroup extends AbstractGroup {
// ----------------------------------------------------------- Constructors
/**
* Package-private constructor used by the factory method in
* {@link MemoryUserDatabase}.
*
* @param database The {@link MemoryUserDatabase} that owns this group
* @param groupname Group name of this group
* @param description Description of this group
*/
MemoryGroup(MemoryUserDatabase database,
String groupname, String description) {
super();
this.database = database;
setGroupname(groupname);
setDescription(description);
}
// ----------------------------------------------------- Instance Variables
/**
* The {@link MemoryUserDatabase} that owns this group.
*/
protected final MemoryUserDatabase database;
/**
* The set of {@link Role}s associated with this group.
*/
protected final CopyOnWriteArrayList roles = new CopyOnWriteArrayList<>();
// ------------------------------------------------------------- Properties
/**
* Return the set of {@link Role}s assigned specifically to this group.
*/
@Override
public Iterator getRoles() {
return roles.iterator();
}
/**
* Return the {@link UserDatabase} within which this Group is defined.
*/
@Override
public UserDatabase getUserDatabase() {
return this.database;
}
/**
* Return the set of {@link org.apache.catalina.User}s that are members of this group.
*/
@Override
public Iterator getUsers() {
List results = new ArrayList<>();
Iterator users = database.getUsers();
while (users.hasNext()) {
User user = users.next();
if (user.isInGroup(this)) {
results.add(user);
}
}
return results.iterator();
}
// --------------------------------------------------------- Public Methods
/**
* Add a new {@link Role} to those assigned specifically to this group.
*
* @param role The new role
*/
@Override
public void addRole(Role role) {
roles.addIfAbsent(role);
}
/**
* Is this group specifically assigned the specified {@link Role}?
*
* @param role The role to check
*/
@Override
public boolean isInRole(Role role) {
return roles.contains(role);
}
/**
* Remove a {@link Role} from those assigned to this group.
*
* @param role The old role
*/
@Override
public void removeRole(Role role) {
roles.remove(role);
}
/**
* Remove all {@link Role}s from those assigned to this group.
*/
@Override
public void removeRoles() {
roles.clear();
}
/**
* Return a String representation of this group in XML format.
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder("(){
@Override public String apply(Role t) { return t.getRolename(); }}, sb);
sb.append("\"");
sb.append("/>");
return sb.toString();
}
}