Java tutorial
/** * This file Copyright (c) 2003-2012 Magnolia International * Ltd. (http://www.magnolia-cms.com). All rights reserved. * * * This file is dual-licensed under both the Magnolia * Network Agreement and the GNU General Public License. * You may elect to use one or the other of these licenses. * * This file is distributed in the hope that it will be * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. * Redistribution, except as permitted by whichever of the GPL * or MNA you select, is prohibited. * * 1. For the GPL license (GPL), you can redistribute and/or * modify this file under the terms of the GNU General * Public License, Version 3, as published by the Free Software * Foundation. You should have received a copy of the GNU * General Public License, Version 3 along with this program; * if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * 2. For the Magnolia Network Agreement (MNA), this file * and the accompanying materials are made available under the * terms of the MNA which accompanies this distribution, and * is available at http://www.magnolia-cms.com/mna.html * * Any modifications to this file must keep this entire header * intact. * */ package info.magnolia.freemarker.models; import info.magnolia.cms.beans.runtime.FileProperties; import info.magnolia.cms.core.NodeData; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Iterator; import javax.jcr.RepositoryException; import org.apache.commons.lang.StringUtils; import freemarker.template.AdapterTemplateModel; import freemarker.template.TemplateCollectionModel; import freemarker.template.TemplateHashModelEx; import freemarker.template.TemplateModel; import freemarker.template.TemplateModelException; import freemarker.template.TemplateScalarModel; /** * TODO : review this ! * * @author Chris Miner * @version $Revision: $ ($Author: $) */ public class BinaryNodeDataModel implements TemplateHashModelEx, TemplateScalarModel, AdapterTemplateModel { private final NodeData binaryNodeData; private final MagnoliaObjectWrapper wrapper; BinaryNodeDataModel(NodeData binaryNodeData, MagnoliaObjectWrapper wrapper) { this.binaryNodeData = binaryNodeData; this.wrapper = wrapper; } @Override public int size() throws TemplateModelException { int result = 0; try { result = binaryNodeData.getAttributeNames().size(); } catch (RepositoryException e) { // don't care } return result; } @Override public TemplateCollectionModel keys() throws TemplateModelException { Iterator<String> result = null; try { result = binaryNodeData.getAttributeNames().iterator(); } catch (RepositoryException e) { // don't care } return (TemplateCollectionModel) wrapper.wrap(result); } @Override public TemplateCollectionModel values() throws TemplateModelException { ArrayList<String> result = new ArrayList<String>(); try { Iterator<String> iter = binaryNodeData.getAttributeNames().iterator(); while (iter.hasNext()) { result.add(iter.next()); } } catch (RepositoryException e) { // don't care } return (TemplateCollectionModel) wrapper.wrap(result.iterator()); } @Override public TemplateModel get(String key) throws TemplateModelException { Object result = null; if (key.startsWith("@")) { if (key.equals("@handle")) { result = binaryNodeData.getHandle(); } } else if (key.equals(FileProperties.CONTENT_TYPE)) { result = binaryNodeData.getAttribute(FileProperties.PROPERTY_CONTENTTYPE); } else if (key.equals(FileProperties.NAME)) { String filename = binaryNodeData.getAttribute(FileProperties.PROPERTY_FILENAME); String ext = binaryNodeData.getAttribute(FileProperties.PROPERTY_EXTENSION); result = filename + ((StringUtils.isEmpty(ext)) ? "" : "." + ext); } else if (key.equals(FileProperties.PROPERTY_FILENAME)) { result = binaryNodeData.getAttribute(FileProperties.PROPERTY_FILENAME); } else if (key.equals(FileProperties.PROPERTY_EXTENSION)) { result = binaryNodeData.getAttribute(FileProperties.PROPERTY_EXTENSION); } else if (key.equals(FileProperties.PROPERTY_LASTMODIFIED)) { try { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); result = format.parse(binaryNodeData.getAttribute(FileProperties.PROPERTY_LASTMODIFIED)); } catch (ParseException e) { // do nothing. } } else { result = binaryNodeData.getAttribute(key); } return wrapper.wrap(result); } @Override public boolean isEmpty() throws TemplateModelException { return (size() == 0); } // this reproduces the logic found in the cms out tag. @Override public String getAsString() throws TemplateModelException { String handle = binaryNodeData.getHandle(); String filename = binaryNodeData.getAttribute(FileProperties.PROPERTY_FILENAME); String ext = binaryNodeData.getAttribute(FileProperties.PROPERTY_EXTENSION); return handle + "/" + filename + ((StringUtils.isEmpty(ext)) ? "" : "." + ext); } public NodeData asNodeData() { return this.binaryNodeData; } @Override public Object getAdaptedObject(Class hint) { return asNodeData(); } }