| /* |
| * 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.lenya.cms.site.usecases; |
| |
| import org.apache.lenya.cms.usecase.DocumentUsecase; |
| import org.apache.lenya.cms.usecase.UsecaseException; |
| import org.apache.lenya.cms.workflow.WorkflowUtil; |
| import org.apache.lenya.cms.workflow.usecases.UsecaseWorkflowHelper; |
| |
| /** |
| * Rollback. |
| */ |
| public class Rollback extends DocumentUsecase { |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#getNodesToLock() |
| */ |
| protected org.apache.lenya.cms.publication.Node[] getNodesToLock() throws UsecaseException { |
| org.apache.lenya.cms.publication.Node[] objects = { getSourceDocument() }; |
| return objects; |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#doCheckPreconditions() |
| */ |
| protected void doCheckPreconditions() throws Exception { |
| super.doCheckPreconditions(); |
| UsecaseWorkflowHelper.checkWorkflow(this, getEvent(), getSourceDocument(), getLogger()); |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#doExecute() |
| */ |
| protected void doExecute() throws Exception { |
| super.doExecute(); |
| |
| int revision = getParameterAsInteger("rollbackRevision", -1); |
| |
| getSourceDocument().rollback(revision); |
| |
| WorkflowUtil.invoke(getSourceDocument(), getEvent()); |
| } |
| |
| protected String getEvent() { |
| return getParameterAsString("workflowEvent"); |
| } |
| |
| } |