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.CSVUtil;
018    import com.liferay.portal.kernel.util.CharPool;
019    import com.liferay.portal.kernel.util.LocaleUtil;
020    import com.liferay.portal.kernel.util.OrderByComparator;
021    import com.liferay.portal.kernel.util.StringBundler;
022    import com.liferay.portal.kernel.util.StringPool;
023    import com.liferay.portlet.dynamicdatalists.model.DDLRecord;
024    import com.liferay.portlet.dynamicdatalists.model.DDLRecordSet;
025    import com.liferay.portlet.dynamicdatalists.model.DDLRecordVersion;
026    import com.liferay.portlet.dynamicdatalists.service.DDLRecordLocalServiceUtil;
027    import com.liferay.portlet.dynamicdatalists.service.DDLRecordSetServiceUtil;
028    import com.liferay.portlet.dynamicdatamapping.model.DDMStructure;
029    import com.liferay.portlet.dynamicdatamapping.storage.Field;
030    import com.liferay.portlet.dynamicdatamapping.storage.FieldConstants;
031    import com.liferay.portlet.dynamicdatamapping.storage.Fields;
032    import com.liferay.portlet.dynamicdatamapping.storage.StorageEngineUtil;
033    
034    import java.io.Serializable;
035    
036    import java.util.List;
037    import java.util.Map;
038    
039    /**
040     * @author Marcellus Tavares
041     * @author Manuel de la Peña
042     */
043    public class DDLCSVExporter extends BaseDDLExporter {
044    
045            @Override
046            protected byte[] doExport(
047                            long recordSetId, int status, int start, int end,
048                            OrderByComparator orderByComparator)
049                    throws Exception {
050    
051                    DDLRecordSet recordSet = DDLRecordSetServiceUtil.getRecordSet(
052                            recordSetId);
053    
054                    DDMStructure ddmStructure = recordSet.getDDMStructure();
055    
056                    Map<String, Map<String, String>> fieldsMap = ddmStructure.getFieldsMap(
057                            LocaleUtil.toLanguageId(getLocale()));
058    
059                    StringBundler sb = new StringBundler();
060    
061                    for (Map<String, String> fieldMap : fieldsMap.values()) {
062                            String label = fieldMap.get(FieldConstants.LABEL);
063    
064                            sb.append(label);
065                            sb.append(CharPool.COMMA);
066                    }
067    
068                    sb.setIndex(sb.index() - 1);
069                    sb.append(StringPool.NEW_LINE);
070    
071                    List<DDLRecord> records = DDLRecordLocalServiceUtil.getRecords(
072                            recordSetId, status, start, end, orderByComparator);
073    
074                    for (DDLRecord record : records) {
075                            DDLRecordVersion recordVersion = record.getRecordVersion();
076    
077                            Fields fields = StorageEngineUtil.getFields(
078                                    recordVersion.getDDMStorageId());
079    
080                            for (Map<String, String> fieldMap : fieldsMap.values()) {
081                                    String dataType = fieldMap.get(FieldConstants.DATA_TYPE);
082                                    String name = fieldMap.get(FieldConstants.NAME);
083                                    String value = StringPool.BLANK;
084    
085                                    if (fields.contains(name)) {
086                                            Field field = fields.get(name);
087    
088                                            value = field.getRenderedValue(getLocale());
089                                    }
090    
091                                    Serializable fieldValueSerializable =
092                                            FieldConstants.getSerializable(dataType, value);
093    
094                                    sb.append(CSVUtil.encode(fieldValueSerializable));
095                                    sb.append(CharPool.COMMA);
096                            }
097    
098                            sb.setIndex(sb.index() - 1);
099                            sb.append(StringPool.NEW_LINE);
100                    }
101    
102                    String csv = sb.toString();
103    
104                    return csv.getBytes();
105            }
106    
107    }