org.apache.james.mailbox.acl.SimpleGroupMembershipResolver 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.james.mailbox.acl;
import java.util.HashSet;
import java.util.Set;
import com.google.common.base.MoreObjects;
import com.google.common.base.Objects;
/**
* In memory {@link GroupMembershipResolver} implementation. There is no
* persistence. You will get only what you add.
*
*/
public class SimpleGroupMembershipResolver implements GroupMembershipResolver {
public static class Membership {
private final String group;
private final String user;
public Membership(String user, String group) {
this.group = group;
this.user = user;
}
@Override
public boolean equals(Object o) {
if (o instanceof Membership) {
Membership that = (Membership) o;
return Objects.equal(this.user, that.user) && Objects.equal(this.group, that.group);
}
return false;
}
@Override
public int hashCode() {
return Objects.hashCode(group, user);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("group", group)
.add("user", user)
.toString();
}
}
private final Set memberships = new HashSet<>(32);
public void addMembership(String group, String user) {
memberships.add(new Membership(user, group));
}
@Override
public boolean isMember(String user, String group) {
return memberships.contains(new Membership(user, group));
}
}