001/* 002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the Eclipse Public License v1.0 006 * which accompanies this distribution, and is available at 007 * http://www.eclipse.org/legal/epl-v10.html 008 * 009 * Contributors: 010 * bstefanescu 011 * 012 * $Id$ 013 */ 014 015package org.nuxeo.ecm.platform.rendering.fm.adapters; 016 017import java.util.ArrayList; 018import java.util.List; 019 020import org.nuxeo.ecm.core.api.PropertyException; 021import org.nuxeo.ecm.core.api.model.Property; 022 023import freemarker.core.CollectionAndSequence; 024import freemarker.template.AdapterTemplateModel; 025import freemarker.template.SimpleSequence; 026import freemarker.template.TemplateCollectionModel; 027import freemarker.template.TemplateHashModelEx; 028import freemarker.template.TemplateModel; 029import freemarker.template.TemplateModelException; 030 031/** 032 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 033 */ 034public class ComplexPropertyTemplate extends PropertyWrapper implements TemplateHashModelEx, AdapterTemplateModel { 035 036 protected final Property property; 037 038 public ComplexPropertyTemplate(DocumentObjectWrapper wrapper, Property property) { 039 super(wrapper); 040 this.property = property; 041 } 042 043 @Override 044 @SuppressWarnings("rawtypes") 045 public Object getAdaptedObject(Class hint) { 046 return property; 047 } 048 049 @Override 050 public TemplateCollectionModel keys() throws TemplateModelException { 051 List<String> list = new ArrayList<String>(property.size()); 052 for (Property p : property.getChildren()) { 053 list.add(p.getName()); 054 } 055 return new CollectionAndSequence(new SimpleSequence(list, wrapper)); 056 } 057 058 @Override 059 public int size() throws TemplateModelException { 060 return property.size(); 061 } 062 063 @Override 064 public TemplateCollectionModel values() throws TemplateModelException { 065 try { 066 List<Object> list = new ArrayList<Object>(property.size()); 067 for (Property p : property.getChildren()) { 068 Object value = p.getValue(); 069 list.add(value == null ? "" : value); 070 } 071 return new CollectionAndSequence(new SimpleSequence(list, wrapper)); 072 } catch (PropertyException e) { 073 throw new TemplateModelException("Failed to adapt complex property values", e); 074 } 075 } 076 077 @Override 078 public TemplateModel get(String name) throws TemplateModelException { 079 try { 080 Property p = property.get(name); 081 return wrap(p); 082 } catch (PropertyException e) { 083 throw new TemplateModelException(e); 084 } 085 } 086 087 @Override 088 public boolean isEmpty() throws TemplateModelException { 089 return property.size() == 0; 090 } 091 092}