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51903 to 54309 git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@54310 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
81 lines
3.2 KiB
Java
81 lines
3.2 KiB
Java
/*
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* Copyright (C) 2005-2012 Alfresco Software Limited.
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*
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* This file is part of Alfresco
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.alfresco.cmis.mapping;
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import org.alfresco.cmis.CMISAllowedActionEnum;
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import org.alfresco.service.ServiceRegistry;
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import org.alfresco.service.cmr.lock.LockService;
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import org.alfresco.service.cmr.lock.LockType;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.cmr.repository.NodeService;
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import org.apache.chemistry.abdera.ext.CMISAllowableActions;
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/**
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* This evaluator determines an action availability in accordance with {@link LockType} lock parameter and in accordance with rules of checking application of the lock. The rules
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* are:<br />
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* - is it expected that object had been locked
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* <br />
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* This evaluator is generic, because it is used in the scope of {@link CompositeActionEvaluator}
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*
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* @author Dmitry Velichkevich
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*/
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public class ObjectLockedActionEvaluator<ObjectType> extends AbstractActionEvaluator<ObjectType>
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{
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private NodeService nodeService;
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private LockService lockService;
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private LockType lockType;
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private boolean lockExpected;
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/**
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* Constructor
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*
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* @param lockType - {@link LockType} enumeration value, which determines type of the lock, which should be validated
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* @param lockExpected - {@link Boolean} value, which determines: <code>true</code> - object should be locked and lock should satisfy to the <code>lockType</code>,
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* <code>false</code> - object should not have the <code>lockType</code> lock
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* @param serviceRegistry - {@link ServiceRegistry} instance
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* @param action - {@link CMISAllowableActions} enumeration value, which determines the action to check
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*/
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protected ObjectLockedActionEvaluator(LockType lockType, boolean lockExpected, ServiceRegistry serviceRegistry, CMISAllowedActionEnum action)
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{
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super(serviceRegistry, action);
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this.lockType = lockType;
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this.lockExpected = lockExpected;
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nodeService = serviceRegistry.getNodeService();
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lockService = serviceRegistry.getLockService();
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}
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@Override
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public boolean isAllowed(ObjectType object)
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{
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NodeRef nodeRef = (object instanceof NodeRef) ? ((NodeRef) object) : (null);
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if ((null != lockType) && nodeService.exists(nodeRef))
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{
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boolean locked = lockType == lockService.getLockType(nodeRef);
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return (lockExpected && locked) || (!lockExpected && !locked);
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}
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return false;
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}
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}
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