| /* |
| * 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.publication.usecases; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.avalon.framework.service.ServiceSelector; |
| import org.apache.lenya.cms.publication.Publication; |
| import org.apache.lenya.cms.publication.PublicationUtil; |
| import org.apache.lenya.cms.publication.templating.Instantiator; |
| import org.apache.lenya.cms.usecase.AbstractUsecase; |
| |
| /** |
| * Create a new publication based on a template publication. |
| * |
| * @version $Id$ |
| */ |
| public class CreatePublicationFromTemplate extends AbstractUsecase { |
| |
| protected static final String AVAILABLE_TEMPLATES = "availableTemplates"; |
| protected static final String PUBLICATION_ID = "publicationId"; |
| protected static final String PUBLICATION_NAME = "publicationName"; |
| protected static final String TEMPLATE = "template"; |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#initParameters() |
| */ |
| protected void initParameters() { |
| super.initParameters(); |
| |
| Publication[] pubs = getDocumentFactory().getPublications(); |
| List templates = new ArrayList(); |
| for (int i = 0; i < pubs.length; i++) { |
| if (pubs[i].getInstantiatorHint() != null) { |
| templates.add(pubs[i].getId()); |
| } |
| } |
| Collections.sort(templates); |
| setParameter(AVAILABLE_TEMPLATES, templates); |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#doCheckExecutionConditions() |
| */ |
| protected void doCheckExecutionConditions() throws Exception { |
| super.doCheckExecutionConditions(); |
| |
| String publicationId = getParameterAsString(PUBLICATION_ID).trim(); |
| |
| if (!PublicationUtil.isValidPublicationID(publicationId)) { |
| addErrorMessage("Please enter a valid publication ID!"); |
| } else { |
| if (getDocumentFactory().existsPublication(publicationId)) { |
| addErrorMessage("A publication with this ID already exists."); |
| } |
| } |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#doExecute() |
| */ |
| protected void doExecute() throws Exception { |
| super.doExecute(); |
| |
| String templateId = getParameterAsString(TEMPLATE); |
| |
| ServiceSelector selector = null; |
| Instantiator instantiator = null; |
| |
| try { |
| |
| Publication template = getDocumentFactory().getPublication(templateId); |
| String name = getParameterAsString(PUBLICATION_NAME); |
| |
| selector = (ServiceSelector) this.manager.lookup(Instantiator.ROLE + "Selector"); |
| instantiator = (Instantiator) selector.select(template.getInstantiatorHint()); |
| |
| instantiator.instantiate(template, getParameterAsString(PUBLICATION_ID), name); |
| |
| } finally { |
| if (selector != null) { |
| if (instantiator != null) { |
| selector.release(instantiator); |
| } |
| this.manager.release(selector); |
| } |
| } |
| |
| } |
| |
| } |