| /* |
| * 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 java.text.SimpleDateFormat; |
| import java.util.Arrays; |
| import java.util.Date; |
| |
| import org.apache.lenya.cms.metadata.MetaData; |
| import org.apache.lenya.cms.metadata.dublincore.DublinCore; |
| import org.apache.lenya.cms.publication.Document; |
| import org.apache.lenya.cms.site.usecases.SiteUsecase; |
| import org.apache.lenya.cms.workflow.WorkflowUtil; |
| import org.apache.lenya.workflow.Version; |
| import org.apache.lenya.workflow.Workflow; |
| import org.apache.lenya.workflow.WorkflowManager; |
| import org.apache.lenya.workflow.Workflowable; |
| |
| /** |
| * Usecase to display the overview tab in the site area for a document. |
| * |
| * @version $Id$ |
| */ |
| public class Overview extends SiteUsecase { |
| |
| protected static final String LASTMODIFIED = "lastmodified"; |
| protected static final String LANGUAGES = "languages"; |
| protected static final String STATE = "state"; |
| protected static final String ISLIVE = "isLive"; |
| protected static final String VISIBLE_IN_NAVIGATION = "visibleInNav"; |
| protected static final String WORKFLOW_VARIABLE_ISLIVE = "is_live"; |
| |
| /** |
| * Ctor. |
| */ |
| public Overview() { |
| super(); |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#initParameters() |
| */ |
| protected void initParameters() { |
| super.initParameters(); |
| |
| WorkflowManager resolver = null; |
| try { |
| Document doc = getSourceDocument(); |
| if (doc != null) { |
| // read parameters from Dublin Core meta-data |
| MetaData dc = doc.getMetaData(DublinCore.DC_NAMESPACE); |
| setParameter(DublinCore.ELEMENT_TITLE, dc.getFirstValue(DublinCore.ELEMENT_TITLE)); |
| setParameter(DublinCore.ELEMENT_DESCRIPTION, dc |
| .getFirstValue(DublinCore.ELEMENT_DESCRIPTION)); |
| |
| // read parameters from document attributes |
| setParameter(LANGUAGES, doc.getLanguages()); |
| SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z"); |
| String lastModified = format |
| .format(new Date(getSourceDocument().getLastModified())); |
| setParameter(LASTMODIFIED, lastModified); |
| boolean visible = doc.getLink().getNode().isVisible(); |
| setParameter(VISIBLE_IN_NAVIGATION, Boolean.valueOf(visible)); |
| |
| Workflowable workflowable = WorkflowUtil.getWorkflowable(this.manager, |
| getSession(), getLogger(), doc); |
| resolver = (WorkflowManager) this.manager.lookup(WorkflowManager.ROLE); |
| if (resolver.hasWorkflow(workflowable)) { |
| Workflow workflow = resolver.getWorkflowSchema(workflowable); |
| String[] variableNames = workflow.getVariableNames(); |
| Version latestVersion = workflowable.getLatestVersion(); |
| Boolean isLive = null; |
| if (latestVersion != null) { |
| setParameter(STATE, latestVersion.getState()); |
| if (Arrays.asList(variableNames).contains(WORKFLOW_VARIABLE_ISLIVE)) { |
| isLive = Boolean.valueOf(latestVersion |
| .getValue(WORKFLOW_VARIABLE_ISLIVE)); |
| } |
| } else { |
| setParameter(STATE, workflow.getInitialState()); |
| if (Arrays.asList(variableNames).contains(WORKFLOW_VARIABLE_ISLIVE)) { |
| isLive = Boolean.valueOf(workflow |
| .getInitialValue(WORKFLOW_VARIABLE_ISLIVE)); |
| } |
| } |
| setParameter(ISLIVE, isLive); |
| } else { |
| setParameter(STATE, ""); |
| } |
| } |
| |
| } catch (final Exception e) { |
| addErrorMessage("Could not read a value. See log files for details."); |
| getLogger().error("Could not read value for Overview usecase. ", e); |
| } finally { |
| if (resolver != null) { |
| this.manager.release(resolver); |
| } |
| } |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#doCheckPreconditions() |
| */ |
| protected void doCheckPreconditions() throws Exception { |
| // don't complain if document is null |
| } |
| |
| } |