001/*
002 * (C) Copyright 2012 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Thierry Delprat
018 */
019package org.nuxeo.template.context;
020
021import org.nuxeo.ecm.core.api.DocumentModel;
022import org.nuxeo.ecm.core.api.model.Property;
023import org.nuxeo.ecm.platform.rendering.fm.adapters.SchemaTemplate;
024
025public class SimpleSchemaWrapper {
026
027    private final DocumentModel doc;
028
029    private final String schemaName;
030
031    public SimpleSchemaWrapper(SchemaTemplate.DocumentSchema schema) {
032        this.doc = schema.doc;
033        this.schemaName = schema.schemaName;
034    }
035
036    public Object get(String name) {
037        if (doc.isPrefetched(schemaName, name)) {
038            // simple value already available, don't load DocumentPart
039            return doc.getProperty(schemaName, name);
040        } else {
041            // use normal Property lookup in Part
042            return wrap(doc.getPart(schemaName).get(name));
043        }
044    }
045
046    protected Object wrap(Property prop) {
047        if (prop == null || prop.getValue() == null) {
048            return null;
049        }
050        return prop.getValue();
051    }
052
053}