org.jclouds.aws.ec2.domain.Permission.java Source code

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Here is the source code for org.jclouds.aws.ec2.domain.Permission.java

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/**
 *
 * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
 *
 * ====================================================================
 * Licensed 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.jclouds.aws.ec2.domain;

import static com.google.common.base.Preconditions.checkNotNull;

import java.util.Set;

import com.google.common.collect.Iterables;
import com.google.common.collect.Sets;

/**
 * 
 * @see <a href="http://docs.amazonwebservices.com/AWSEC2/latest/APIReference/ApiReference-ItemType-LaunchPermissionItemType.html"
 *      />
 * @author Adrian Cole
 */
public class Permission {
    private final Set<String> groups = Sets.newHashSet();
    private final Set<String> userIds = Sets.newHashSet();

    public Permission(Iterable<String> userIds, Iterable<String> groups) {
        Iterables.addAll(this.userIds, checkNotNull(userIds, "userIds"));
        Iterables.addAll(this.groups, checkNotNull(groups, "groups"));
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((groups == null) ? 0 : groups.hashCode());
        result = prime * result + ((userIds == null) ? 0 : userIds.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        Permission other = (Permission) obj;
        if (groups == null) {
            if (other.groups != null)
                return false;
        } else if (!groups.equals(other.groups))
            return false;
        if (userIds == null) {
            if (other.userIds != null)
                return false;
        } else if (!userIds.equals(other.userIds))
            return false;
        return true;
    }

    /**
     * 
     * @return Name of the group. Currently supports \"all.\"
     */
    public Set<String> getGroups() {
        return groups;
    }

    /**
     * 
     * @return AWS Access Key ID.
     */
    public Set<String> getUserIds() {
        return userIds;
    }

    @Override
    public String toString() {
        return "LaunchPermission [groups=" + groups + ", userIds=" + userIds + "]";
    }

}