| /* |
| * 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.jackrabbit.oak.http; |
| |
| import java.io.IOException; |
| import java.net.URLEncoder; |
| |
| import javax.servlet.http.HttpServletResponse; |
| import javax.xml.transform.OutputKeys; |
| import javax.xml.transform.Transformer; |
| import javax.xml.transform.TransformerConfigurationException; |
| import javax.xml.transform.sax.SAXTransformerFactory; |
| import javax.xml.transform.sax.TransformerHandler; |
| import javax.xml.transform.stream.StreamResult; |
| |
| import org.apache.jackrabbit.oak.api.PropertyState; |
| import org.apache.jackrabbit.oak.api.Tree; |
| import org.apache.tika.metadata.Metadata; |
| import org.apache.tika.metadata.TikaCoreProperties; |
| import org.apache.tika.mime.MediaType; |
| import org.apache.tika.sax.XHTMLContentHandler; |
| import org.xml.sax.SAXException; |
| |
| import com.google.common.base.Charsets; |
| |
| import static org.apache.jackrabbit.oak.api.Type.STRING; |
| import static org.apache.jackrabbit.oak.api.Type.STRINGS; |
| |
| class HtmlRepresentation implements Representation { |
| |
| @Override |
| public MediaType getType() { |
| return MediaType.text("html"); |
| } |
| |
| public void render(Tree tree, HttpServletResponse response) |
| throws IOException { |
| try { |
| XHTMLContentHandler xhtml = startResponse(response, tree.getPath()); |
| xhtml.startDocument(); |
| xhtml.startElement("dl"); |
| |
| for (PropertyState property : tree.getProperties()) { |
| xhtml.element("dt", property.getName()); |
| if (property.isArray()) { |
| xhtml.startElement("dd"); |
| xhtml.startElement("ol"); |
| for (String value : property.getValue(STRINGS)) { |
| xhtml.element("li", value); |
| } |
| xhtml.endElement("ol"); |
| xhtml.endElement("dd"); |
| } else { |
| xhtml.element("dd", property.getValue(STRING)); |
| } |
| } |
| |
| for (Tree child : tree.getChildren()) { |
| String name = child.getName(); |
| xhtml.element("dt", name); |
| xhtml.startElement("dd"); |
| xhtml.startElement("a", "href", response.encodeRedirectURL( |
| URLEncoder.encode(name, Charsets.UTF_8.name()) + "/")); |
| xhtml.characters(child.getPath()); |
| xhtml.endElement("a"); |
| xhtml.endElement("dd"); |
| } |
| |
| xhtml.endElement("dl"); |
| xhtml.endDocument(); |
| } catch (SAXException e) { |
| throw new IOException(e); |
| } |
| } |
| |
| public void render(PropertyState property, HttpServletResponse response) |
| throws IOException { |
| try { |
| XHTMLContentHandler xhtml = |
| startResponse(response, property.getName()); |
| xhtml.startDocument(); |
| |
| if (property.isArray()) { |
| xhtml.startElement("ol"); |
| for (String value : property.getValue(STRINGS)) { |
| xhtml.element("li", value); |
| } |
| xhtml.endElement("ol"); |
| } else { |
| xhtml.element("p", property.getValue(STRING)); |
| } |
| |
| xhtml.endDocument(); |
| } catch (SAXException e) { |
| throw new IOException(e); |
| } |
| } |
| |
| private XHTMLContentHandler startResponse( |
| HttpServletResponse response, String title) |
| throws IOException { |
| try { |
| response.setContentType("text/html"); |
| response.setCharacterEncoding("UTF-8"); |
| |
| SAXTransformerFactory factory = |
| (SAXTransformerFactory) SAXTransformerFactory.newInstance(); |
| TransformerHandler handler = factory.newTransformerHandler(); |
| Transformer transformer = handler.getTransformer(); |
| transformer.setOutputProperty(OutputKeys.METHOD, "html"); |
| transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); |
| handler.setResult(new StreamResult(response.getOutputStream())); |
| |
| Metadata metadata = new Metadata(); |
| metadata.set(TikaCoreProperties.TITLE, title); |
| return new XHTMLContentHandler(handler, metadata); |
| } catch (TransformerConfigurationException e) { |
| throw new IOException(e); |
| } |
| } |
| |
| } |