| /* |
| * 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.blog.cms.usecases; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.lenya.cms.publication.Document; |
| import org.apache.lenya.cms.publication.DocumentManager; |
| import org.apache.lenya.cms.publication.Publication; |
| import org.apache.lenya.cms.usecase.DocumentUsecase; |
| import org.apache.lenya.cms.usecase.UsecaseException; |
| import org.apache.lenya.cms.workflow.WorkflowUtil; |
| |
| /** |
| * Deactivate usecase handler. |
| * |
| * @version $Id: Deactivate.java 264805 2005-08-30 16:20:15Z andreas $ |
| */ |
| public class Delete extends DocumentUsecase { |
| |
| /** |
| * Checks if the workflow event is supported and the parent of the document exists in the live |
| * area. |
| * |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#doCheckPreconditions() |
| */ |
| protected void doCheckPreconditions() throws Exception { |
| super.doCheckPreconditions(); |
| if (!hasErrors()) { |
| if (!getSourceDocument().getArea().equals(Publication.AUTHORING_AREA)) { |
| addErrorMessage("This usecase can only be invoked from the authoring area."); |
| return; |
| } |
| Document liveDocument = getSourceDocument().getAreaVersion(Publication.LIVE_AREA); |
| if (liveDocument.exists()) { |
| addErrorMessage("The document cannot be deleted because it's Live, deactivate it first"); |
| return; |
| } |
| String event = getEvent(); |
| if (!WorkflowUtil.canInvoke(this.manager, |
| getSession(), |
| getLogger(), |
| getSourceDocument(), |
| event)) { |
| addInfoMessage("The document cannot be deactivated because the workflow event cannot be invoked."); |
| } |
| } |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#getNodesToLock() |
| */ |
| protected org.apache.lenya.cms.repository.Node[] getNodesToLock() throws UsecaseException { |
| try { |
| List nodes = new ArrayList(); |
| Document doc = getSourceDocument(); |
| nodes.add(doc.getRepositoryNode()); |
| nodes.add(doc.area().getSite().getRepositoryNode()); |
| return (org.apache.lenya.cms.repository.Node[]) nodes.toArray(new org.apache.lenya.cms.repository.Node[nodes.size()]); |
| } catch (Exception e) { |
| throw new UsecaseException(e); |
| } |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#doExecute() |
| */ |
| protected void doExecute() throws Exception { |
| super.doExecute(); |
| delete(getSourceDocument()); |
| setTargetDocument(getDocumentFactory().get(getSourceDocument().getPublication(), Publication.AUTHORING_AREA,"/feeds/all/index")); |
| } |
| |
| /** |
| * Deletes a document. |
| * @param document The document to delete. |
| */ |
| protected void delete(Document document) { |
| DocumentManager documentManager = null; |
| boolean success = false; |
| try { |
| documentManager = (DocumentManager) this.manager.lookup(DocumentManager.ROLE); |
| documentManager.delete(document); |
| WorkflowUtil.invoke(this.manager, |
| getSession(), |
| getLogger(), |
| document, |
| getEvent()); |
| success = true; |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } finally { |
| if (getLogger().isDebugEnabled()) { |
| getLogger().debug("Delete document [" + getSourceDocument() + "]. Success: [" |
| + success + "]"); |
| } |
| if (documentManager != null) { |
| this.manager.release(documentManager); |
| } |
| } |
| } |
| |
| /** |
| * @return The event to invoke. |
| */ |
| private String getEvent() { |
| return "delete"; |
| } |
| } |