001/*
002 *  Copyright 2012 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.plugins.repository.lock;
017
018import org.ametys.core.user.UserIdentity;
019import org.ametys.plugins.repository.AmetysRepositoryException;
020
021/**
022 * Helper for {@link LockAwareAmetysObject}
023 *
024 */
025public final class LockHelper
026{
027    private LockHelper()
028    {
029        // Private
030    }
031    
032    /**
033     * Determines if the login is the same as the owner of the lock
034     * @param object The lockable Ametys object
035     * @param user The user to test
036     * @return true if the login is the same as the owner of the lock
037     * @throws AmetysRepositoryException if a problem occurs
038     */
039    public static boolean isLockOwner (LockAwareAmetysObject object, UserIdentity user) throws AmetysRepositoryException
040    {
041        UserIdentity lockOwner = object.getLockOwner();
042        return lockOwner == null && user == null || lockOwner != null && lockOwner.equals(user);
043    }
044}