001    /**
002     * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.dynamicdatalists.util;
016    
017    import com.liferay.portal.kernel.util.OrderByComparator;
018    import com.liferay.portal.kernel.xml.Document;
019    import com.liferay.portal.kernel.xml.Element;
020    import com.liferay.portal.kernel.xml.SAXReaderUtil;
021    import com.liferay.portlet.dynamicdatalists.model.DDLRecord;
022    import com.liferay.portlet.dynamicdatalists.model.DDLRecordSet;
023    import com.liferay.portlet.dynamicdatalists.service.DDLRecordLocalServiceUtil;
024    import com.liferay.portlet.dynamicdatalists.service.DDLRecordSetServiceUtil;
025    import com.liferay.portlet.dynamicdatamapping.model.DDMStructure;
026    import com.liferay.portlet.dynamicdatamapping.storage.Field;
027    import com.liferay.portlet.dynamicdatamapping.storage.FieldConstants;
028    import com.liferay.portlet.dynamicdatamapping.storage.Fields;
029    
030    import java.io.Serializable;
031    
032    import java.util.List;
033    import java.util.Map;
034    
035    /**
036     * @author Marcellus Tavares
037     */
038    public class DDLXMLExporter extends BaseDDLExporter {
039    
040            protected void addFieldElement(
041                    Element fieldsElement, String label, Serializable value) {
042    
043                    Element fieldElement = fieldsElement.addElement("field");
044    
045                    Element labelElement = fieldElement.addElement("label");
046    
047                    labelElement.addText(label);
048    
049                    Element valueElement = fieldElement.addElement("value");
050    
051                    valueElement.addText(String.valueOf(value));
052            }
053    
054            @Override
055            protected byte[] doExport(
056                            long recordSetId, int status, int start, int end,
057                            OrderByComparator orderByComparator)
058                    throws Exception {
059    
060                    DDLRecordSet recordSet = DDLRecordSetServiceUtil.getRecordSet(
061                            recordSetId);
062    
063                    DDMStructure ddmStructure = recordSet.getDDMStructure();
064    
065                    Map<String, Map<String, String>> fieldsMap =
066                            ddmStructure.getFieldsMap();
067    
068                    Document document = SAXReaderUtil.createDocument();
069    
070                    Element rootElement = document.addElement("root");
071    
072                    List<DDLRecord> records = DDLRecordLocalServiceUtil.getRecords(
073                            recordSetId, status, start, end, orderByComparator);
074    
075                    for (DDLRecord record : records) {
076                            Element fieldsElement = rootElement.addElement("fields");
077    
078                            Fields fields = record.getFields();
079    
080                            for (Map<String, String> fieldMap : fieldsMap.values()) {
081                                    String label = fieldMap.get(FieldConstants.LABEL);
082                                    String name = fieldMap.get(FieldConstants.NAME);
083    
084                                    Field field = fields.get(name);
085    
086                                    Serializable value = field.getValue();
087    
088                                    addFieldElement(fieldsElement, label, value);
089                            }
090                    }
091    
092                    String xml = document.asXML();
093    
094                    return xml.getBytes();
095            }
096    
097    }