| /* |
| * 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 freemarker.ext.dom; |
| |
| import org.w3c.dom.Document; |
| import org.w3c.dom.NodeList; |
| |
| import freemarker.core.Environment; |
| import freemarker.template.TemplateHashModel; |
| import freemarker.template.TemplateModel; |
| import freemarker.template.TemplateModelException; |
| import freemarker.template.utility.StringUtil; |
| |
| /** |
| * A class that wraps the root node of a parsed XML document, using |
| * the W3C DOM API. |
| */ |
| |
| class DocumentModel extends NodeModel implements TemplateHashModel { |
| |
| private ElementModel rootElement; |
| |
| DocumentModel(Document doc) { |
| super(doc); |
| } |
| |
| public String getNodeName() { |
| return "@document"; |
| } |
| |
| @Override |
| public TemplateModel get(String key) throws TemplateModelException { |
| if (key.equals("*")) { |
| return getRootElement(); |
| } else if (key.equals("**")) { |
| NodeList nl = ((Document) node).getElementsByTagName("*"); |
| return new NodeListModel(nl, this); |
| } else if (StringUtil.isXMLID(key)) { |
| ElementModel em = (ElementModel) NodeModel.wrap(((Document) node).getDocumentElement()); |
| if (em.matchesName(key, Environment.getCurrentEnvironment())) { |
| return em; |
| } else { |
| return new NodeListModel(this); |
| } |
| } |
| return super.get(key); |
| } |
| |
| ElementModel getRootElement() { |
| if (rootElement == null) { |
| rootElement = (ElementModel) wrap(((Document) node).getDocumentElement()); |
| } |
| return rootElement; |
| } |
| |
| public boolean isEmpty() { |
| return false; |
| } |
| } |